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/*
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* reserved comment block
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* DO NOT REMOVE OR ALTER!
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*/
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/*
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* Copyright 1999-2004 The Apache Software Foundation.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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/*
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* $Id: ToUnknownStream.java,v 1.3 2005/09/28 13:49:08 pvedula Exp $
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*/
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package com.sun.org.apache.xml.internal.serializer;
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import java.io.IOException;
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import java.io.OutputStream;
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import java.io.Writer;
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import java.util.Properties;
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import java.util.Vector;
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import javax.xml.transform.SourceLocator;
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import javax.xml.transform.Transformer;
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import org.w3c.dom.Node;
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import org.xml.sax.Attributes;
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import org.xml.sax.ContentHandler;
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import org.xml.sax.Locator;
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import org.xml.sax.SAXException;
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/**
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*This class wraps another SerializationHandler. The wrapped object will either
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* handler XML or HTML, which is not known until a little later when the first XML
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* tag is seen. If the first tag is <html> then the wrapped object is an HTML
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* handler, otherwise it is an XML handler.
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*
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* This class effectively caches the first few calls to it then passes them
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* on to the wrapped handler (once it exists). After that subsequent calls a
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* simply passed directly to the wrapped handler.
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*
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* The user of this class doesn't know if the output is ultimatley XML or HTML.
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*
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* This class is not a public API, it is public because it is used within Xalan.
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* @xsl.usage internal
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*/
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public final class ToUnknownStream extends SerializerBase
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{
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/**
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* The wrapped handler, initially XML but possibly switched to HTML
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*/
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private SerializationHandler m_handler;
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/**
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* A String with no characters
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*/
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private static final String EMPTYSTRING = "";
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/**
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* true if the underlying handler (XML or HTML) is fully initialized
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*/
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private boolean m_wrapped_handler_not_initialized = false;
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/**
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* the prefix of the very first tag in the document
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*/
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private String m_firstElementPrefix;
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/**
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* the element name (including any prefix) of the very first tag in the document
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*/
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private String m_firstElementName;
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/**
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* the namespace URI associated with the first element
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*/
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private String m_firstElementURI;
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/**
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* the local name (no prefix) associated with the first element
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*/
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private String m_firstElementLocalName = null;
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/**
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* true if the first tag has been emitted to the wrapped handler
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*/
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private boolean m_firstTagNotEmitted = true;
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/**
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* A collection of namespace URI's (only for first element).
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* _namespacePrefix has the matching prefix for these URI's
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*/
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private Vector m_namespaceURI = null;
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/**
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* A collection of namespace Prefix (only for first element)
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* _namespaceURI has the matching URIs for these prefix'
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*/
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private Vector m_namespacePrefix = null;
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/**
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* true if startDocument() was called before the underlying handler
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* was initialized
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*/
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private boolean m_needToCallStartDocument = false;
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/**
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* true if setVersion() was called before the underlying handler
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* was initialized
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*/
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private boolean m_setVersion_called = false;
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/**
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* true if setDoctypeSystem() was called before the underlying handler
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* was initialized
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*/
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private boolean m_setDoctypeSystem_called = false;
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/**
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* true if setDoctypePublic() was called before the underlying handler
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* was initialized
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*/
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private boolean m_setDoctypePublic_called = false;
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/**
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* true if setMediaType() was called before the underlying handler
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* was initialized
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*/
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private boolean m_setMediaType_called = false;
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/**
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* Default constructor.
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* Initially this object wraps an XML Stream object, so _handler is never null.
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* That may change later to an HTML Stream object.
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*/
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public ToUnknownStream()
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{
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m_handler = new ToXMLStream();
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}
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/**
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* @see Serializer#asContentHandler()
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* @return the wrapped XML or HTML handler
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*/
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public ContentHandler asContentHandler() throws IOException
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{
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/* don't return the real handler ( m_handler ) because
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* that would expose the real handler to the outside.
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* Keep m_handler private so it can be internally swapped
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* to an HTML handler.
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*/
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return this;
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}
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/**
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* @see SerializationHandler#close()
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*/
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public void close()
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{
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m_handler.close();
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}
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/**
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* @see Serializer#getOutputFormat()
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* @return the properties of the underlying handler
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*/
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public Properties getOutputFormat()
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{
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return m_handler.getOutputFormat();
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}
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/**
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* @see Serializer#getOutputStream()
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* @return the OutputStream of the underlying XML or HTML handler
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*/
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public OutputStream getOutputStream()
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{
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return m_handler.getOutputStream();
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}
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/**
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* @see Serializer#getWriter()
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* @return the Writer of the underlying XML or HTML handler
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*/
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public Writer getWriter()
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{
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return m_handler.getWriter();
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}
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/**
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* passes the call on to the underlying HTML or XML handler
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* @see Serializer#reset()
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* @return ???
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*/
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public boolean reset()
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{
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return m_handler.reset();
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}
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/**
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* Converts the DOM node to output
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* @param node the DOM node to transform to output
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* @see DOMSerializer#serialize(Node)
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*
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*/
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public void serialize(Node node) throws IOException
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{
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if (m_firstTagNotEmitted)
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{
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flush();
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}
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m_handler.serialize(node);
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}
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/**
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* @see SerializationHandler#setEscaping(boolean)
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*/
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public boolean setEscaping(boolean escape) throws SAXException
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{
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return m_handler.setEscaping(escape);
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}
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/**
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* Set the properties of the handler
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* @param format the output properties to set
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* @see Serializer#setOutputFormat(Properties)
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*/
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public void setOutputFormat(Properties format)
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{
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m_handler.setOutputFormat(format);
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}
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/**
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* Sets the output stream to write to
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* @param output the OutputStream to write to
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* @see Serializer#setOutputStream(OutputStream)
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*/
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public void setOutputStream(OutputStream output)
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{
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m_handler.setOutputStream(output);
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}
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/**
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* Sets the writer to write to
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* @param writer the writer to write to
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* @see Serializer#setWriter(Writer)
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*/
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public void setWriter(Writer writer)
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{
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m_handler.setWriter(writer);
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}
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/**
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* Adds an attribute to the currenly open tag
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* @param uri the URI of a namespace
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* @param localName the attribute name, without prefix
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* @param rawName the attribute name, with prefix (if any)
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* @param type the type of the attribute, typically "CDATA"
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* @param value the value of the parameter
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* @param XSLAttribute true if this attribute is coming from an xsl:attribute element
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* @see ExtendedContentHandler#addAttribute(String, String, String, String, String)
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*/
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public void addAttribute(
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String uri,
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String localName,
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String rawName,
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String type,
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String value)
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throws SAXException
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{
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addAttribute(uri, localName, rawName, type, value, false);
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}
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/**
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* Adds an attribute to the currenly open tag
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* @param uri the URI of a namespace
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* @param localName the attribute name, without prefix
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* @param rawName the attribute name, with prefix (if any)
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* @param type the type of the attribute, typically "CDATA"
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* @param value the value of the parameter
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* @param XSLAttribute true if this attribute is coming from an xsl:attribute element
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* @see ExtendedContentHandler#addAttribute(String, String, String, String, String)
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*/
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public void addAttribute(
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String uri,
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String localName,
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String rawName,
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String type,
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String value,
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boolean XSLAttribute)
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throws SAXException
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{
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if (m_firstTagNotEmitted)
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{
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flush();
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}
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m_handler.addAttribute(uri, localName, rawName, type, value, XSLAttribute);
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}
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/**
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* Adds an attribute to the currenly open tag
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* @param rawName the attribute name, with prefix (if any)
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* @param value the value of the parameter
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* @see ExtendedContentHandler#addAttribute(String, String)
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*/
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public void addAttribute(String rawName, String value)
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{
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if (m_firstTagNotEmitted)
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{
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flush();
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}
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m_handler.addAttribute(rawName, value);
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}
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/**
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* Adds a unique attribute to the currenly open tag
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*/
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public void addUniqueAttribute(String rawName, String value, int flags)
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throws SAXException
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{
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if (m_firstTagNotEmitted)
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{
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flush();
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}
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m_handler.addUniqueAttribute(rawName, value, flags);
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}
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/**
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* Converts the String to a character array and calls the SAX method
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* characters(char[],int,int);
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*
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* @see ExtendedContentHandler#characters(String)
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*/
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public void characters(String chars) throws SAXException
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{
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final int length = chars.length();
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if (length > m_charsBuff.length)
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{
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m_charsBuff = new char[length*2 + 1];
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}
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chars.getChars(0, length, m_charsBuff, 0);
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this.characters(m_charsBuff, 0, length);
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}
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/**
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* Pass the call on to the underlying handler
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* @see ExtendedContentHandler#endElement(String)
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*/
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public void endElement(String elementName) throws SAXException
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{
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if (m_firstTagNotEmitted)
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{
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flush();
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}
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m_handler.endElement(elementName);
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}
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/**
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* @see org.xml.sax.ContentHandler#startPrefixMapping(String, String)
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* @param prefix The prefix that maps to the URI
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* @param uri The URI for the namespace
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*/
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public void startPrefixMapping(String prefix, String uri) throws SAXException
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{
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this.startPrefixMapping(prefix,uri, true);
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}
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/**
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* This method is used when a prefix/uri namespace mapping
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* is indicated after the element was started with a
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* startElement() and before and endElement().
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* startPrefixMapping(prefix,uri) would be used before the
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* startElement() call.
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* @param uri the URI of the namespace
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* @param prefix the prefix associated with the given URI.
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*
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* @see ExtendedContentHandler#namespaceAfterStartElement(String, String)
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*/
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public void namespaceAfterStartElement(String prefix, String uri)
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throws SAXException
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{
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// hack for XSLTC with finding URI for default namespace
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if (m_firstTagNotEmitted && m_firstElementURI == null && m_firstElementName != null)
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{
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String prefix1 = getPrefixPart(m_firstElementName);
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if (prefix1 == null && EMPTYSTRING.equals(prefix))
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{
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// the elements URI is not known yet, and it
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// doesn't have a prefix, and we are currently
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// setting the uri for prefix "", so we have
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// the uri for the element... lets remember it
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m_firstElementURI = uri;
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}
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}
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startPrefixMapping(prefix,uri, false);
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}
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public boolean startPrefixMapping(String prefix, String uri, boolean shouldFlush)
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throws SAXException
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{
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boolean pushed = false;
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if (m_firstTagNotEmitted)
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{
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if (m_firstElementName != null && shouldFlush)
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{
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/* we've already seen a startElement, and this is a prefix mapping
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* for the up coming element, so flush the old element
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* then send this event on its way.
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*/
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flush();
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pushed = m_handler.startPrefixMapping(prefix, uri, shouldFlush);
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}
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else
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{
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if (m_namespacePrefix == null)
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{
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m_namespacePrefix = new Vector();
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m_namespaceURI = new Vector();
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}
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m_namespacePrefix.addElement(prefix);
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m_namespaceURI.addElement(uri);
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if (m_firstElementURI == null)
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{
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if (prefix.equals(m_firstElementPrefix))
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m_firstElementURI = uri;
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}
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}
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}
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else
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{
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pushed = m_handler.startPrefixMapping(prefix, uri, shouldFlush);
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}
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return pushed;
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}
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/**
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* This method cannot be cached because default is different in
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* HTML and XML (we need more than a boolean).
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*/
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public void setVersion(String version)
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{
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m_handler.setVersion(version);
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// Cache call to setVersion()
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// super.setVersion(version);
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m_setVersion_called = true;
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}
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/**
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* @see org.xml.sax.ContentHandler#startDocument()
|
|
461 |
*/
|
|
462 |
public void startDocument() throws SAXException
|
|
463 |
{
|
|
464 |
m_needToCallStartDocument = true;
|
|
465 |
}
|
|
466 |
|
|
467 |
|
|
468 |
|
|
469 |
public void startElement(String qName) throws SAXException
|
|
470 |
{
|
|
471 |
this.startElement(null, null, qName, null);
|
|
472 |
}
|
|
473 |
|
|
474 |
public void startElement(String namespaceURI, String localName, String qName) throws SAXException
|
|
475 |
{
|
|
476 |
this.startElement(namespaceURI, localName, qName, null);
|
|
477 |
}
|
|
478 |
|
|
479 |
public void startElement(
|
|
480 |
String namespaceURI,
|
|
481 |
String localName,
|
|
482 |
String elementName,
|
|
483 |
Attributes atts) throws SAXException
|
|
484 |
{
|
|
485 |
|
|
486 |
if (m_needToCallSetDocumentInfo){
|
|
487 |
super.setDocumentInfo();
|
|
488 |
m_needToCallSetDocumentInfo = false;
|
|
489 |
}
|
|
490 |
|
|
491 |
/* we are notified of the start of an element */
|
|
492 |
if (m_firstTagNotEmitted)
|
|
493 |
{
|
|
494 |
/* we have not yet sent the first element on its way */
|
|
495 |
if (m_firstElementName != null)
|
|
496 |
{
|
|
497 |
/* this is not the first element, but a later one.
|
|
498 |
* But we have the old element pending, so flush it out,
|
|
499 |
* then send this one on its way.
|
|
500 |
*/
|
|
501 |
flush();
|
|
502 |
m_handler.startElement(namespaceURI, localName, elementName, atts);
|
|
503 |
}
|
|
504 |
else
|
|
505 |
{
|
|
506 |
/* this is the very first element that we have seen,
|
|
507 |
* so save it for flushing later. We may yet get to know its
|
|
508 |
* URI due to added attributes.
|
|
509 |
*/
|
|
510 |
|
|
511 |
m_wrapped_handler_not_initialized = true;
|
|
512 |
m_firstElementName = elementName;
|
|
513 |
|
|
514 |
// null if not known
|
|
515 |
m_firstElementPrefix = getPrefixPartUnknown(elementName);
|
|
516 |
|
|
517 |
// null if not known
|
|
518 |
m_firstElementURI = namespaceURI;
|
|
519 |
|
|
520 |
// null if not known
|
|
521 |
m_firstElementLocalName = localName;
|
|
522 |
|
|
523 |
if (m_tracer != null)
|
|
524 |
firePseudoElement(elementName);
|
|
525 |
|
|
526 |
/* we don't want to call our own addAttributes, which
|
|
527 |
* merely delegates to the wrapped handler, but we want to
|
|
528 |
* add these attributes to m_attributes. So me must call super.
|
|
529 |
* addAttributes() In this case m_attributes is only used for the
|
|
530 |
* first element, after that this class totally delegates to the
|
|
531 |
* wrapped handler which is either XML or HTML.
|
|
532 |
*/
|
|
533 |
if (atts != null)
|
|
534 |
super.addAttributes(atts);
|
|
535 |
|
|
536 |
// if there are attributes, then lets make the flush()
|
|
537 |
// call the startElement on the handler and send the
|
|
538 |
// attributes on their way.
|
|
539 |
if (atts != null)
|
|
540 |
flush();
|
|
541 |
|
|
542 |
}
|
|
543 |
}
|
|
544 |
else
|
|
545 |
{
|
|
546 |
// this is not the first element, but a later one, so just
|
|
547 |
// send it on its way.
|
|
548 |
m_handler.startElement(namespaceURI, localName, elementName, atts);
|
|
549 |
}
|
|
550 |
}
|
|
551 |
|
|
552 |
/**
|
|
553 |
* Pass the call on to the underlying handler
|
|
554 |
* @see ExtendedLexicalHandler#comment(String)
|
|
555 |
*/
|
|
556 |
public void comment(String comment) throws SAXException
|
|
557 |
{
|
|
558 |
if (m_firstTagNotEmitted && m_firstElementName != null)
|
|
559 |
{
|
|
560 |
emitFirstTag();
|
|
561 |
}
|
|
562 |
else if (m_needToCallStartDocument)
|
|
563 |
{
|
|
564 |
m_handler.startDocument();
|
|
565 |
m_needToCallStartDocument = false;
|
|
566 |
}
|
|
567 |
|
|
568 |
m_handler.comment(comment);
|
|
569 |
}
|
|
570 |
|
|
571 |
/**
|
|
572 |
* Pass the call on to the underlying handler
|
|
573 |
* @see XSLOutputAttributes#getDoctypePublic()
|
|
574 |
*/
|
|
575 |
public String getDoctypePublic()
|
|
576 |
{
|
|
577 |
|
|
578 |
return m_handler.getDoctypePublic();
|
|
579 |
}
|
|
580 |
|
|
581 |
/**
|
|
582 |
* Pass the call on to the underlying handler
|
|
583 |
* @see XSLOutputAttributes#getDoctypeSystem()
|
|
584 |
*/
|
|
585 |
public String getDoctypeSystem()
|
|
586 |
{
|
|
587 |
return m_handler.getDoctypeSystem();
|
|
588 |
}
|
|
589 |
|
|
590 |
/**
|
|
591 |
* Pass the call on to the underlying handler
|
|
592 |
* @see XSLOutputAttributes#getEncoding()
|
|
593 |
*/
|
|
594 |
public String getEncoding()
|
|
595 |
{
|
|
596 |
return m_handler.getEncoding();
|
|
597 |
}
|
|
598 |
|
|
599 |
/**
|
|
600 |
* Pass the call on to the underlying handler
|
|
601 |
* @see XSLOutputAttributes#getIndent()
|
|
602 |
*/
|
|
603 |
public boolean getIndent()
|
|
604 |
{
|
|
605 |
return m_handler.getIndent();
|
|
606 |
}
|
|
607 |
|
|
608 |
/**
|
|
609 |
* Pass the call on to the underlying handler
|
|
610 |
* @see XSLOutputAttributes#getIndentAmount()
|
|
611 |
*/
|
|
612 |
public int getIndentAmount()
|
|
613 |
{
|
|
614 |
return m_handler.getIndentAmount();
|
|
615 |
}
|
|
616 |
|
|
617 |
/**
|
|
618 |
* Pass the call on to the underlying handler
|
|
619 |
* @see XSLOutputAttributes#getMediaType()
|
|
620 |
*/
|
|
621 |
public String getMediaType()
|
|
622 |
{
|
|
623 |
return m_handler.getMediaType();
|
|
624 |
}
|
|
625 |
|
|
626 |
/**
|
|
627 |
* Pass the call on to the underlying handler
|
|
628 |
* @see XSLOutputAttributes#getOmitXMLDeclaration()
|
|
629 |
*/
|
|
630 |
public boolean getOmitXMLDeclaration()
|
|
631 |
{
|
|
632 |
return m_handler.getOmitXMLDeclaration();
|
|
633 |
}
|
|
634 |
|
|
635 |
/**
|
|
636 |
* Pass the call on to the underlying handler
|
|
637 |
* @see XSLOutputAttributes#getStandalone()
|
|
638 |
*/
|
|
639 |
public String getStandalone()
|
|
640 |
{
|
|
641 |
return m_handler.getStandalone();
|
|
642 |
}
|
|
643 |
|
|
644 |
/**
|
|
645 |
* Pass the call on to the underlying handler
|
|
646 |
* @see XSLOutputAttributes#getVersion()
|
|
647 |
*/
|
|
648 |
public String getVersion()
|
|
649 |
{
|
|
650 |
return m_handler.getVersion();
|
|
651 |
}
|
|
652 |
|
|
653 |
/**
|
|
654 |
* @see XSLOutputAttributes#setDoctype(String, String)
|
|
655 |
*/
|
|
656 |
public void setDoctype(String system, String pub)
|
|
657 |
{
|
|
658 |
m_handler.setDoctypePublic(pub);
|
|
659 |
m_handler.setDoctypeSystem(system);
|
|
660 |
}
|
|
661 |
|
|
662 |
/**
|
|
663 |
* Set the doctype in the underlying XML handler. Remember that this method
|
|
664 |
* was called, just in case we need to transfer this doctype to an HTML handler
|
|
665 |
* @param doctype the public doctype to set
|
|
666 |
* @see XSLOutputAttributes#setDoctypePublic(String)
|
|
667 |
*/
|
|
668 |
public void setDoctypePublic(String doctype)
|
|
669 |
{
|
|
670 |
m_handler.setDoctypePublic(doctype);
|
|
671 |
m_setDoctypePublic_called = true;
|
|
672 |
}
|
|
673 |
|
|
674 |
/**
|
|
675 |
* Set the doctype in the underlying XML handler. Remember that this method
|
|
676 |
* was called, just in case we need to transfer this doctype to an HTML handler
|
|
677 |
* @param doctype the system doctype to set
|
|
678 |
* @see XSLOutputAttributes#setDoctypeSystem(String)
|
|
679 |
*/
|
|
680 |
public void setDoctypeSystem(String doctype)
|
|
681 |
{
|
|
682 |
m_handler.setDoctypeSystem(doctype);
|
|
683 |
m_setDoctypeSystem_called = true;
|
|
684 |
}
|
|
685 |
|
|
686 |
/**
|
|
687 |
* Pass the call on to the underlying handler
|
|
688 |
* @see XSLOutputAttributes#setEncoding(String)
|
|
689 |
*/
|
|
690 |
public void setEncoding(String encoding)
|
|
691 |
{
|
|
692 |
m_handler.setEncoding(encoding);
|
|
693 |
}
|
|
694 |
|
|
695 |
/**
|
|
696 |
* Pass the call on to the underlying handler
|
|
697 |
* @see XSLOutputAttributes#setIndent(boolean)
|
|
698 |
*/
|
|
699 |
public void setIndent(boolean indent)
|
|
700 |
{
|
|
701 |
m_handler.setIndent(indent);
|
|
702 |
}
|
|
703 |
|
|
704 |
/**
|
|
705 |
* Pass the call on to the underlying handler
|
|
706 |
*/
|
|
707 |
public void setIndentAmount(int value)
|
|
708 |
{
|
|
709 |
m_handler.setIndentAmount(value);
|
|
710 |
}
|
|
711 |
|
|
712 |
/**
|
|
713 |
* @see XSLOutputAttributes#setMediaType(String)
|
|
714 |
*/
|
|
715 |
public void setMediaType(String mediaType)
|
|
716 |
{
|
|
717 |
m_handler.setMediaType(mediaType);
|
|
718 |
m_setMediaType_called = true;
|
|
719 |
}
|
|
720 |
|
|
721 |
/**
|
|
722 |
* Pass the call on to the underlying handler
|
|
723 |
* @see XSLOutputAttributes#setOmitXMLDeclaration(boolean)
|
|
724 |
*/
|
|
725 |
public void setOmitXMLDeclaration(boolean b)
|
|
726 |
{
|
|
727 |
m_handler.setOmitXMLDeclaration(b);
|
|
728 |
}
|
|
729 |
|
|
730 |
/**
|
|
731 |
* Pass the call on to the underlying handler
|
|
732 |
* @see XSLOutputAttributes#setStandalone(String)
|
|
733 |
*/
|
|
734 |
public void setStandalone(String standalone)
|
|
735 |
{
|
|
736 |
m_handler.setStandalone(standalone);
|
|
737 |
}
|
|
738 |
|
|
739 |
/**
|
|
740 |
* @see XSLOutputAttributes#setVersion(String)
|
|
741 |
*/
|
|
742 |
|
|
743 |
/**
|
|
744 |
* Pass the call on to the underlying handler
|
|
745 |
* @see org.xml.sax.ext.DeclHandler#attributeDecl(String, String, String, String, String)
|
|
746 |
*/
|
|
747 |
public void attributeDecl(
|
|
748 |
String arg0,
|
|
749 |
String arg1,
|
|
750 |
String arg2,
|
|
751 |
String arg3,
|
|
752 |
String arg4)
|
|
753 |
throws SAXException
|
|
754 |
{
|
|
755 |
m_handler.attributeDecl(arg0, arg1, arg2, arg3, arg4);
|
|
756 |
}
|
|
757 |
|
|
758 |
/**
|
|
759 |
* Pass the call on to the underlying handler
|
|
760 |
* @see org.xml.sax.ext.DeclHandler#elementDecl(String, String)
|
|
761 |
*/
|
|
762 |
public void elementDecl(String arg0, String arg1) throws SAXException
|
|
763 |
{
|
|
764 |
if (m_firstTagNotEmitted)
|
|
765 |
{
|
|
766 |
emitFirstTag();
|
|
767 |
}
|
|
768 |
m_handler.elementDecl(arg0, arg1);
|
|
769 |
}
|
|
770 |
|
|
771 |
/**
|
|
772 |
* Pass the call on to the underlying handler
|
|
773 |
* @see org.xml.sax.ext.DeclHandler#externalEntityDecl(String, String, String)
|
|
774 |
*/
|
|
775 |
public void externalEntityDecl(
|
|
776 |
String name,
|
|
777 |
String publicId,
|
|
778 |
String systemId)
|
|
779 |
throws SAXException
|
|
780 |
{
|
|
781 |
if (m_firstTagNotEmitted)
|
|
782 |
{
|
|
783 |
flush();
|
|
784 |
}
|
|
785 |
m_handler.externalEntityDecl(name, publicId, systemId);
|
|
786 |
}
|
|
787 |
|
|
788 |
/**
|
|
789 |
* Pass the call on to the underlying handler
|
|
790 |
* @see org.xml.sax.ext.DeclHandler#internalEntityDecl(String, String)
|
|
791 |
*/
|
|
792 |
public void internalEntityDecl(String arg0, String arg1)
|
|
793 |
throws SAXException
|
|
794 |
{
|
|
795 |
if (m_firstTagNotEmitted)
|
|
796 |
{
|
|
797 |
flush();
|
|
798 |
}
|
|
799 |
m_handler.internalEntityDecl(arg0, arg1);
|
|
800 |
}
|
|
801 |
|
|
802 |
/**
|
|
803 |
* Pass the call on to the underlying handler
|
|
804 |
* @see org.xml.sax.ContentHandler#characters(char[], int, int)
|
|
805 |
*/
|
|
806 |
public void characters(char[] characters, int offset, int length)
|
|
807 |
throws SAXException
|
|
808 |
{
|
|
809 |
if (m_firstTagNotEmitted)
|
|
810 |
{
|
|
811 |
flush();
|
|
812 |
}
|
|
813 |
|
|
814 |
m_handler.characters(characters, offset, length);
|
|
815 |
|
|
816 |
}
|
|
817 |
|
|
818 |
/**
|
|
819 |
* Pass the call on to the underlying handler
|
|
820 |
* @see org.xml.sax.ContentHandler#endDocument()
|
|
821 |
*/
|
|
822 |
public void endDocument() throws SAXException
|
|
823 |
{
|
|
824 |
if (m_firstTagNotEmitted)
|
|
825 |
{
|
|
826 |
flush();
|
|
827 |
}
|
|
828 |
|
|
829 |
m_handler.endDocument();
|
|
830 |
|
|
831 |
|
|
832 |
}
|
|
833 |
|
|
834 |
/**
|
|
835 |
* Pass the call on to the underlying handler
|
|
836 |
* @see org.xml.sax.ContentHandler#endElement(String, String, String)
|
|
837 |
*/
|
|
838 |
public void endElement(String namespaceURI, String localName, String qName)
|
|
839 |
throws SAXException
|
|
840 |
{
|
|
841 |
if (m_firstTagNotEmitted)
|
|
842 |
{
|
|
843 |
flush();
|
|
844 |
if (namespaceURI == null && m_firstElementURI != null)
|
|
845 |
namespaceURI = m_firstElementURI;
|
|
846 |
|
|
847 |
|
|
848 |
if (localName == null && m_firstElementLocalName != null)
|
|
849 |
localName = m_firstElementLocalName;
|
|
850 |
}
|
|
851 |
|
|
852 |
m_handler.endElement(namespaceURI, localName, qName);
|
|
853 |
}
|
|
854 |
|
|
855 |
/**
|
|
856 |
* Pass the call on to the underlying handler
|
|
857 |
* @see org.xml.sax.ContentHandler#endPrefixMapping(String)
|
|
858 |
*/
|
|
859 |
public void endPrefixMapping(String prefix) throws SAXException
|
|
860 |
{
|
|
861 |
m_handler.endPrefixMapping(prefix);
|
|
862 |
}
|
|
863 |
|
|
864 |
/**
|
|
865 |
* Pass the call on to the underlying handler
|
|
866 |
* @see org.xml.sax.ContentHandler#ignorableWhitespace(char[], int, int)
|
|
867 |
*/
|
|
868 |
public void ignorableWhitespace(char[] ch, int start, int length)
|
|
869 |
throws SAXException
|
|
870 |
{
|
|
871 |
if (m_firstTagNotEmitted)
|
|
872 |
{
|
|
873 |
flush();
|
|
874 |
}
|
|
875 |
m_handler.ignorableWhitespace(ch, start, length);
|
|
876 |
}
|
|
877 |
|
|
878 |
/**
|
|
879 |
* Pass the call on to the underlying handler
|
|
880 |
* @see org.xml.sax.ContentHandler#processingInstruction(String, String)
|
|
881 |
*/
|
|
882 |
public void processingInstruction(String target, String data)
|
|
883 |
throws SAXException
|
|
884 |
{
|
|
885 |
if (m_firstTagNotEmitted)
|
|
886 |
{
|
|
887 |
flush();
|
|
888 |
}
|
|
889 |
|
|
890 |
m_handler.processingInstruction(target, data);
|
|
891 |
}
|
|
892 |
|
|
893 |
/**
|
|
894 |
* Pass the call on to the underlying handler
|
|
895 |
* @see org.xml.sax.ContentHandler#setDocumentLocator(Locator)
|
|
896 |
*/
|
|
897 |
public void setDocumentLocator(Locator locator)
|
|
898 |
{
|
|
899 |
super.setDocumentLocator(locator);
|
|
900 |
m_handler.setDocumentLocator(locator);
|
|
901 |
}
|
|
902 |
|
|
903 |
/**
|
|
904 |
* Pass the call on to the underlying handler
|
|
905 |
* @see org.xml.sax.ContentHandler#skippedEntity(String)
|
|
906 |
*/
|
|
907 |
public void skippedEntity(String name) throws SAXException
|
|
908 |
{
|
|
909 |
m_handler.skippedEntity(name);
|
|
910 |
}
|
|
911 |
|
|
912 |
|
|
913 |
|
|
914 |
/**
|
|
915 |
* Pass the call on to the underlying handler
|
|
916 |
* @see org.xml.sax.ext.LexicalHandler#comment(char[], int, int)
|
|
917 |
*/
|
|
918 |
public void comment(char[] ch, int start, int length) throws SAXException
|
|
919 |
{
|
|
920 |
if (m_firstTagNotEmitted)
|
|
921 |
{
|
|
922 |
flush();
|
|
923 |
}
|
|
924 |
|
|
925 |
m_handler.comment(ch, start, length);
|
|
926 |
}
|
|
927 |
|
|
928 |
/**
|
|
929 |
* Pass the call on to the underlying handler
|
|
930 |
* @see org.xml.sax.ext.LexicalHandler#endCDATA()
|
|
931 |
*/
|
|
932 |
public void endCDATA() throws SAXException
|
|
933 |
{
|
|
934 |
|
|
935 |
m_handler.endCDATA();
|
|
936 |
}
|
|
937 |
|
|
938 |
/**
|
|
939 |
* Pass the call on to the underlying handler
|
|
940 |
* @see org.xml.sax.ext.LexicalHandler#endDTD()
|
|
941 |
*/
|
|
942 |
public void endDTD() throws SAXException
|
|
943 |
{
|
|
944 |
|
|
945 |
m_handler.endDTD();
|
|
946 |
}
|
|
947 |
|
|
948 |
/**
|
|
949 |
* Pass the call on to the underlying handler
|
|
950 |
* @see org.xml.sax.ext.LexicalHandler#endEntity(String)
|
|
951 |
*/
|
|
952 |
public void endEntity(String name) throws SAXException
|
|
953 |
{
|
|
954 |
if (m_firstTagNotEmitted)
|
|
955 |
{
|
|
956 |
emitFirstTag();
|
|
957 |
}
|
|
958 |
m_handler.endEntity(name);
|
|
959 |
}
|
|
960 |
|
|
961 |
/**
|
|
962 |
* Pass the call on to the underlying handler
|
|
963 |
* @see org.xml.sax.ext.LexicalHandler#startCDATA()
|
|
964 |
*/
|
|
965 |
public void startCDATA() throws SAXException
|
|
966 |
{
|
|
967 |
m_handler.startCDATA();
|
|
968 |
}
|
|
969 |
|
|
970 |
/**
|
|
971 |
* Pass the call on to the underlying handler
|
|
972 |
* @see org.xml.sax.ext.LexicalHandler#startDTD(String, String, String)
|
|
973 |
*/
|
|
974 |
public void startDTD(String name, String publicId, String systemId)
|
|
975 |
throws SAXException
|
|
976 |
{
|
|
977 |
m_handler.startDTD(name, publicId, systemId);
|
|
978 |
}
|
|
979 |
|
|
980 |
/**
|
|
981 |
* Pass the call on to the underlying handler
|
|
982 |
* @see org.xml.sax.ext.LexicalHandler#startEntity(String)
|
|
983 |
*/
|
|
984 |
public void startEntity(String name) throws SAXException
|
|
985 |
{
|
|
986 |
m_handler.startEntity(name);
|
|
987 |
}
|
|
988 |
|
|
989 |
/**
|
|
990 |
* Initialize the wrapped output stream (XML or HTML).
|
|
991 |
* If the stream handler should be HTML, then replace the XML handler with
|
|
992 |
* an HTML handler. After than send the starting method calls that were cached
|
|
993 |
* to the wrapped handler.
|
|
994 |
*
|
|
995 |
*/
|
|
996 |
private void initStreamOutput() throws SAXException
|
|
997 |
{
|
|
998 |
|
|
999 |
// Try to rule out if this is an not to be an HTML document based on prefix
|
|
1000 |
boolean firstElementIsHTML = isFirstElemHTML();
|
|
1001 |
|
|
1002 |
if (firstElementIsHTML)
|
|
1003 |
{
|
|
1004 |
// create an HTML output handler, and initialize it
|
|
1005 |
|
|
1006 |
// keep a reference to the old handler, ... it will soon be gone
|
|
1007 |
SerializationHandler oldHandler = m_handler;
|
|
1008 |
|
|
1009 |
/* We have to make sure we get an output properties with the proper
|
|
1010 |
* defaults for the HTML method. The easiest way to do this is to
|
|
1011 |
* have the OutputProperties class do it.
|
|
1012 |
*/
|
|
1013 |
|
|
1014 |
Properties htmlProperties =
|
|
1015 |
OutputPropertiesFactory.getDefaultMethodProperties(Method.HTML);
|
|
1016 |
Serializer serializer =
|
|
1017 |
SerializerFactory.getSerializer(htmlProperties);
|
|
1018 |
|
|
1019 |
// The factory should be returning a ToStream
|
|
1020 |
// Don't know what to do if it doesn't
|
|
1021 |
// i.e. the user has over-ridden the content-handler property
|
|
1022 |
// for html
|
|
1023 |
m_handler = (SerializationHandler) serializer;
|
|
1024 |
//m_handler = new ToHTMLStream();
|
|
1025 |
|
|
1026 |
Writer writer = oldHandler.getWriter();
|
|
1027 |
|
|
1028 |
if (null != writer)
|
|
1029 |
m_handler.setWriter(writer);
|
|
1030 |
else
|
|
1031 |
{
|
|
1032 |
OutputStream os = oldHandler.getOutputStream();
|
|
1033 |
|
|
1034 |
if (null != os)
|
|
1035 |
m_handler.setOutputStream(os);
|
|
1036 |
}
|
|
1037 |
|
|
1038 |
// need to copy things from the old handler to the new one here
|
|
1039 |
|
|
1040 |
// if (_setVersion_called)
|
|
1041 |
// {
|
|
1042 |
m_handler.setVersion(oldHandler.getVersion());
|
|
1043 |
// }
|
|
1044 |
// if (_setDoctypeSystem_called)
|
|
1045 |
// {
|
|
1046 |
m_handler.setDoctypeSystem(oldHandler.getDoctypeSystem());
|
|
1047 |
// }
|
|
1048 |
// if (_setDoctypePublic_called)
|
|
1049 |
// {
|
|
1050 |
m_handler.setDoctypePublic(oldHandler.getDoctypePublic());
|
|
1051 |
// }
|
|
1052 |
// if (_setMediaType_called)
|
|
1053 |
// {
|
|
1054 |
m_handler.setMediaType(oldHandler.getMediaType());
|
|
1055 |
// }
|
|
1056 |
|
|
1057 |
m_handler.setTransformer(oldHandler.getTransformer());
|
|
1058 |
}
|
|
1059 |
|
|
1060 |
/* Now that we have a real wrapped handler (XML or HTML) lets
|
|
1061 |
* pass any cached calls to it
|
|
1062 |
*/
|
|
1063 |
// Call startDocument() if necessary
|
|
1064 |
if (m_needToCallStartDocument)
|
|
1065 |
{
|
|
1066 |
m_handler.startDocument();
|
|
1067 |
m_needToCallStartDocument = false;
|
|
1068 |
}
|
|
1069 |
|
|
1070 |
// the wrapped handler is now fully initialized
|
|
1071 |
m_wrapped_handler_not_initialized = false;
|
|
1072 |
}
|
|
1073 |
|
|
1074 |
private void emitFirstTag() throws SAXException
|
|
1075 |
{
|
|
1076 |
if (m_firstElementName != null)
|
|
1077 |
{
|
|
1078 |
if (m_wrapped_handler_not_initialized)
|
|
1079 |
{
|
|
1080 |
initStreamOutput();
|
|
1081 |
m_wrapped_handler_not_initialized = false;
|
|
1082 |
}
|
|
1083 |
// Output first tag
|
|
1084 |
m_handler.startElement(m_firstElementURI, null, m_firstElementName, m_attributes);
|
|
1085 |
// don't need the collected attributes of the first element anymore.
|
|
1086 |
m_attributes = null;
|
|
1087 |
|
|
1088 |
// Output namespaces of first tag
|
|
1089 |
if (m_namespacePrefix != null)
|
|
1090 |
{
|
|
1091 |
final int n = m_namespacePrefix.size();
|
|
1092 |
for (int i = 0; i < n; i++)
|
|
1093 |
{
|
|
1094 |
final String prefix =
|
|
1095 |
(String) m_namespacePrefix.elementAt(i);
|
|
1096 |
final String uri = (String) m_namespaceURI.elementAt(i);
|
|
1097 |
m_handler.startPrefixMapping(prefix, uri, false);
|
|
1098 |
}
|
|
1099 |
m_namespacePrefix = null;
|
|
1100 |
m_namespaceURI = null;
|
|
1101 |
}
|
|
1102 |
m_firstTagNotEmitted = false;
|
|
1103 |
}
|
|
1104 |
}
|
|
1105 |
|
|
1106 |
/**
|
|
1107 |
* Utility function for calls to local-name().
|
|
1108 |
*
|
|
1109 |
* Don't want to override static function on SerializerBase
|
|
1110 |
* So added Unknown suffix to method name.
|
|
1111 |
*/
|
|
1112 |
private String getLocalNameUnknown(String value)
|
|
1113 |
{
|
|
1114 |
int idx = value.lastIndexOf(':');
|
|
1115 |
if (idx >= 0)
|
|
1116 |
value = value.substring(idx + 1);
|
|
1117 |
idx = value.lastIndexOf('@');
|
|
1118 |
if (idx >= 0)
|
|
1119 |
value = value.substring(idx + 1);
|
|
1120 |
return (value);
|
|
1121 |
}
|
|
1122 |
|
|
1123 |
/**
|
|
1124 |
* Utility function to return prefix
|
|
1125 |
*
|
|
1126 |
* Don't want to override static function on SerializerBase
|
|
1127 |
* So added Unknown suffix to method name.
|
|
1128 |
*/
|
|
1129 |
private String getPrefixPartUnknown(String qname)
|
|
1130 |
{
|
|
1131 |
final int index = qname.indexOf(':');
|
|
1132 |
return (index > 0) ? qname.substring(0, index) : EMPTYSTRING;
|
|
1133 |
}
|
|
1134 |
|
|
1135 |
/**
|
|
1136 |
* Determine if the firts element in the document is <html> or <HTML>
|
|
1137 |
* This uses the cached first element name, first element prefix and the
|
|
1138 |
* cached namespaces from previous method calls
|
|
1139 |
*
|
|
1140 |
* @return true if the first element is an opening <html> tag
|
|
1141 |
*/
|
|
1142 |
private boolean isFirstElemHTML()
|
|
1143 |
{
|
|
1144 |
boolean isHTML;
|
|
1145 |
|
|
1146 |
// is the first tag html, not considering the prefix ?
|
|
1147 |
isHTML =
|
|
1148 |
getLocalNameUnknown(m_firstElementName).equalsIgnoreCase("html");
|
|
1149 |
|
|
1150 |
// Try to rule out if this is not to be an HTML document based on URI
|
|
1151 |
if (isHTML
|
|
1152 |
&& m_firstElementURI != null
|
|
1153 |
&& !EMPTYSTRING.equals(m_firstElementURI))
|
|
1154 |
{
|
|
1155 |
// the <html> element has a non-trivial namespace
|
|
1156 |
isHTML = false;
|
|
1157 |
}
|
|
1158 |
// Try to rule out if this is an not to be an HTML document based on prefix
|
|
1159 |
if (isHTML && m_namespacePrefix != null)
|
|
1160 |
{
|
|
1161 |
/* the first element has a name of "html", but lets check the prefix.
|
|
1162 |
* If the prefix points to a namespace with a URL that is not ""
|
|
1163 |
* then the doecument doesn't start with an <html> tag, and isn't html
|
|
1164 |
*/
|
|
1165 |
final int max = m_namespacePrefix.size();
|
|
1166 |
for (int i = 0; i < max; i++)
|
|
1167 |
{
|
|
1168 |
final String prefix = (String) m_namespacePrefix.elementAt(i);
|
|
1169 |
final String uri = (String) m_namespaceURI.elementAt(i);
|
|
1170 |
|
|
1171 |
if (m_firstElementPrefix != null
|
|
1172 |
&& m_firstElementPrefix.equals(prefix)
|
|
1173 |
&& !EMPTYSTRING.equals(uri))
|
|
1174 |
{
|
|
1175 |
// The first element has a prefix, so it can't be <html>
|
|
1176 |
isHTML = false;
|
|
1177 |
break;
|
|
1178 |
}
|
|
1179 |
}
|
|
1180 |
|
|
1181 |
}
|
|
1182 |
return isHTML;
|
|
1183 |
}
|
|
1184 |
/**
|
|
1185 |
* @see Serializer#asDOMSerializer()
|
|
1186 |
*/
|
|
1187 |
public DOMSerializer asDOMSerializer() throws IOException
|
|
1188 |
{
|
|
1189 |
return m_handler.asDOMSerializer();
|
|
1190 |
}
|
|
1191 |
|
|
1192 |
/**
|
|
1193 |
* @param URI_and_localNames Vector a list of pairs of URI/localName
|
|
1194 |
* specified in the cdata-section-elements attribute.
|
|
1195 |
* @see SerializationHandler#setCdataSectionElements(java.util.Vector)
|
|
1196 |
*/
|
|
1197 |
public void setCdataSectionElements(Vector URI_and_localNames)
|
|
1198 |
{
|
|
1199 |
m_handler.setCdataSectionElements(URI_and_localNames);
|
|
1200 |
}
|
|
1201 |
/**
|
|
1202 |
* @see ExtendedContentHandler#addAttributes(org.xml.sax.Attributes)
|
|
1203 |
*/
|
|
1204 |
public void addAttributes(Attributes atts) throws SAXException
|
|
1205 |
{
|
|
1206 |
m_handler.addAttributes(atts);
|
|
1207 |
}
|
|
1208 |
|
|
1209 |
/**
|
|
1210 |
* Get the current namespace mappings.
|
|
1211 |
* Simply returns the mappings of the wrapped handler.
|
|
1212 |
* @see ExtendedContentHandler#getNamespaceMappings()
|
|
1213 |
*/
|
|
1214 |
public NamespaceMappings getNamespaceMappings()
|
|
1215 |
{
|
|
1216 |
NamespaceMappings mappings = null;
|
|
1217 |
if (m_handler != null)
|
|
1218 |
{
|
|
1219 |
mappings = m_handler.getNamespaceMappings();
|
|
1220 |
}
|
|
1221 |
return mappings;
|
|
1222 |
}
|
|
1223 |
/**
|
|
1224 |
* @see SerializationHandler#flushPending()
|
|
1225 |
*/
|
|
1226 |
public void flushPending() throws SAXException
|
|
1227 |
{
|
|
1228 |
|
|
1229 |
flush();
|
|
1230 |
|
|
1231 |
m_handler.flushPending();
|
|
1232 |
}
|
|
1233 |
|
|
1234 |
private void flush()
|
|
1235 |
{
|
|
1236 |
try
|
|
1237 |
{
|
|
1238 |
if (m_firstTagNotEmitted)
|
|
1239 |
{
|
|
1240 |
emitFirstTag();
|
|
1241 |
}
|
|
1242 |
if (m_needToCallStartDocument)
|
|
1243 |
{
|
|
1244 |
m_handler.startDocument();
|
|
1245 |
m_needToCallStartDocument = false;
|
|
1246 |
}
|
|
1247 |
}
|
|
1248 |
catch(SAXException e)
|
|
1249 |
{
|
|
1250 |
throw new RuntimeException(e.toString());
|
|
1251 |
}
|
|
1252 |
|
|
1253 |
|
|
1254 |
}
|
|
1255 |
|
|
1256 |
/**
|
|
1257 |
* @see ExtendedContentHandler#getPrefix
|
|
1258 |
*/
|
|
1259 |
public String getPrefix(String namespaceURI)
|
|
1260 |
{
|
|
1261 |
return m_handler.getPrefix(namespaceURI);
|
|
1262 |
}
|
|
1263 |
/**
|
|
1264 |
* @see ExtendedContentHandler#entityReference(java.lang.String)
|
|
1265 |
*/
|
|
1266 |
public void entityReference(String entityName) throws SAXException
|
|
1267 |
{
|
|
1268 |
m_handler.entityReference(entityName);
|
|
1269 |
}
|
|
1270 |
|
|
1271 |
/**
|
|
1272 |
* @see ExtendedContentHandler#getNamespaceURI(java.lang.String, boolean)
|
|
1273 |
*/
|
|
1274 |
public String getNamespaceURI(String qname, boolean isElement)
|
|
1275 |
{
|
|
1276 |
return m_handler.getNamespaceURI(qname, isElement);
|
|
1277 |
}
|
|
1278 |
|
|
1279 |
public String getNamespaceURIFromPrefix(String prefix)
|
|
1280 |
{
|
|
1281 |
return m_handler.getNamespaceURIFromPrefix(prefix);
|
|
1282 |
}
|
|
1283 |
|
|
1284 |
public void setTransformer(Transformer t)
|
|
1285 |
{
|
|
1286 |
m_handler.setTransformer(t);
|
|
1287 |
if ((t instanceof SerializerTrace) &&
|
|
1288 |
(((SerializerTrace) t).hasTraceListeners())) {
|
|
1289 |
m_tracer = (SerializerTrace) t;
|
|
1290 |
} else {
|
|
1291 |
m_tracer = null;
|
|
1292 |
}
|
|
1293 |
}
|
|
1294 |
public Transformer getTransformer()
|
|
1295 |
{
|
|
1296 |
return m_handler.getTransformer();
|
|
1297 |
}
|
|
1298 |
|
|
1299 |
/**
|
|
1300 |
* @see SerializationHandler#setContentHandler(org.xml.sax.ContentHandler)
|
|
1301 |
*/
|
|
1302 |
public void setContentHandler(ContentHandler ch)
|
|
1303 |
{
|
|
1304 |
m_handler.setContentHandler(ch);
|
|
1305 |
}
|
|
1306 |
/**
|
|
1307 |
* This method is used to set the source locator, which might be used to
|
|
1308 |
* generated an error message.
|
|
1309 |
* @param locator the source locator
|
|
1310 |
*
|
|
1311 |
* @see ExtendedContentHandler#setSourceLocator(javax.xml.transform.SourceLocator)
|
|
1312 |
*/
|
|
1313 |
public void setSourceLocator(SourceLocator locator)
|
|
1314 |
{
|
|
1315 |
m_handler.setSourceLocator(locator);
|
|
1316 |
}
|
|
1317 |
|
|
1318 |
protected void firePseudoElement(String elementName)
|
|
1319 |
{
|
|
1320 |
|
|
1321 |
if (m_tracer != null) {
|
|
1322 |
StringBuffer sb = new StringBuffer();
|
|
1323 |
|
|
1324 |
sb.append('<');
|
|
1325 |
sb.append(elementName);
|
|
1326 |
|
|
1327 |
// convert the StringBuffer to a char array and
|
|
1328 |
// emit the trace event that these characters "might"
|
|
1329 |
// be written
|
|
1330 |
char ch[] = sb.toString().toCharArray();
|
|
1331 |
m_tracer.fireGenerateEvent(
|
|
1332 |
SerializerTrace.EVENTTYPE_OUTPUT_PSEUDO_CHARACTERS,
|
|
1333 |
ch,
|
|
1334 |
0,
|
|
1335 |
ch.length);
|
|
1336 |
}
|
|
1337 |
}
|
|
1338 |
}
|