jaxp/src/share/classes/com/sun/org/apache/xml/internal/serialize/OutputFormat.java
changeset 6 7f561c08de6b
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/jaxp/src/share/classes/com/sun/org/apache/xml/internal/serialize/OutputFormat.java	Sat Dec 01 00:00:00 2007 +0000
@@ -0,0 +1,961 @@
+/*
+ * reserved comment block
+ * DO NOT REMOVE OR ALTER!
+ */
+/*
+ * Copyright 1999-2002,2004 The Apache Software Foundation.
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+
+// Aug 21, 2000:
+//  Added ability to omit DOCTYPE declaration.
+//  Reported by Lars Martin <lars@smb-tec.com>
+// Aug 25, 2000:
+//  Added ability to omit comments.
+//  Contributed by Anupam Bagchi <abagchi@jtcsv.com>
+
+
+package com.sun.org.apache.xml.internal.serialize;
+
+
+import java.io.UnsupportedEncodingException;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.DocumentType;
+import org.w3c.dom.Node;
+import org.w3c.dom.html.HTMLDocument;
+
+
+/**
+ * Specifies an output format to control the serializer. Based on the
+ * XSLT specification for output format, plus additional parameters.
+ * Used to select the suitable serializer and determine how the
+ * document should be formatted on output.
+ * <p>
+ * The two interesting constructors are:
+ * <ul>
+ * <li>{@link #OutputFormat(String,String,boolean)} creates a format
+ *  for the specified method (XML, HTML, Text, etc), encoding and indentation
+ * <li>{@link #OutputFormat(Document,String,boolean)} creates a format
+ *  compatible with the document type (XML, HTML, Text, etc), encoding and
+ *  indentation
+ * </ul>
+ *
+ *
+ * @author <a href="mailto:arkin@intalio.com">Assaf Arkin</a>
+ *         <a href="mailto:visco@intalio.com">Keith Visco</a>
+ * @see Serializer
+ * @see Method
+ * @see LineSeparator
+ */
+public class OutputFormat
+{
+
+
+    public static class DTD
+    {
+
+        /**
+         * Public identifier for HTML 4.01 (Strict) document type.
+         */
+        public static final String HTMLPublicId = "-//W3C//DTD HTML 4.01//EN";
+
+        /**
+         * System identifier for HTML 4.01 (Strict) document type.
+         */
+        public static final String HTMLSystemId =
+            "http://www.w3.org/TR/html4/strict.dtd";
+
+        /**
+         * Public identifier for XHTML 1.0 (Strict) document type.
+         */
+        public static final String XHTMLPublicId =
+            "-//W3C//DTD XHTML 1.0 Strict//EN";
+
+        /**
+         * System identifier for XHTML 1.0 (Strict) document type.
+         */
+        public static final String XHTMLSystemId =
+            "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd";
+
+    }
+
+
+    public static class Defaults
+    {
+
+        /**
+         * If indentation is turned on, the default identation
+         * level is 4.
+         *
+         * @see #setIndenting(boolean)
+         */
+        public static final int Indent = 4;
+
+        /**
+         * The default encoding for Web documents it UTF-8.
+         *
+         * @see #getEncoding()
+         */
+        public static final String Encoding = "UTF-8";
+
+        /**
+         * The default line width at which to break long lines
+         * when identing. This is set to 72.
+         */
+        public static final int LineWidth = 72;
+
+    }
+
+
+    /**
+     * Holds the output method specified for this document,
+     * or null if no method was specified.
+     */
+    private String _method;
+
+
+    /**
+     * Specifies the version of the output method.
+     */
+    private String _version;
+
+
+    /**
+     * The indentation level, or zero if no indentation
+     * was requested.
+     */
+    private int _indent = 0;
+
+
+    /**
+     * The encoding to use, if an input stream is used.
+     * The default is always UTF-8.
+     */
+    private String _encoding = Defaults.Encoding;
+
+    /**
+     * The EncodingInfo instance for _encoding.
+     */
+    private EncodingInfo _encodingInfo = null;
+
+    // whether java names for encodings are permitted
+    private boolean _allowJavaNames = false;
+
+    /**
+     * The specified media type or null.
+     */
+    private String _mediaType;
+
+
+    /**
+     * The specified document type system identifier, or null.
+     */
+    private String _doctypeSystem;
+
+
+    /**
+     * The specified document type public identifier, or null.
+     */
+    private String _doctypePublic;
+
+
+    /**
+     * Ture if the XML declaration should be ommited;
+     */
+    private boolean _omitXmlDeclaration = false;
+
+
+    /**
+     * Ture if the DOCTYPE declaration should be ommited;
+     */
+    private boolean _omitDoctype = false;
+
+
+    /**
+     * Ture if comments should be ommited;
+     */
+    private boolean _omitComments = false;
+
+
+    /**
+     * Ture if the comments should be ommited;
+     */
+    private boolean _stripComments = false;
+
+
+    /**
+     * True if the document type should be marked as standalone.
+     */
+    private boolean _standalone = false;
+
+
+    /**
+     * List of element tag names whose text node children must
+     * be output as CDATA.
+     */
+    private String[] _cdataElements;
+
+
+    /**
+     * List of element tag names whose text node children must
+     * be output unescaped.
+     */
+    private String[] _nonEscapingElements;
+
+
+    /**
+     * The selected line separator.
+     */
+    private String _lineSeparator = LineSeparator.Web;
+
+
+    /**
+     * The line width at which to wrap long lines when indenting.
+     */
+    private int _lineWidth = Defaults.LineWidth;
+
+
+    /**
+     * True if spaces should be preserved in elements that do not
+     * specify otherwise, or specify the default behavior.
+     */
+    private boolean _preserve = false;
+        /** If true, an empty string valued attribute is output as "". If false and
+         * and we are using the HTMLSerializer, then only the attribute name is
+         * serialized. Defaults to false for backwards compatibility.
+         */
+        private boolean _preserveEmptyAttributes = false;
+
+    /**
+     * Constructs a new output format with the default values.
+     */
+    public OutputFormat()
+    {
+    }
+
+
+    /**
+     * Constructs a new output format with the default values for
+     * the specified method and encoding. If <tt>indent</tt>
+     * is true, the document will be pretty printed with the default
+     * indentation level and default line wrapping.
+     *
+     * @param method The specified output method
+     * @param encoding The specified encoding
+     * @param indenting True for pretty printing
+     * @see #setEncoding
+     * @see #setIndenting
+     * @see #setMethod
+     */
+    public OutputFormat( String method, String encoding, boolean indenting )
+    {
+        setMethod( method );
+        setEncoding( encoding );
+        setIndenting( indenting );
+    }
+
+
+    /**
+     * Constructs a new output format with the proper method,
+     * document type identifiers and media type for the specified
+     * document.
+     *
+     * @param doc The document to output
+     * @see #whichMethod
+     */
+    public OutputFormat( Document doc )
+    {
+        setMethod( whichMethod( doc ) );
+        setDoctype( whichDoctypePublic( doc ), whichDoctypeSystem( doc ) );
+        setMediaType( whichMediaType( getMethod() ) );
+    }
+
+
+    /**
+     * Constructs a new output format with the proper method,
+     * document type identifiers and media type for the specified
+     * document, and with the specified encoding. If <tt>indent</tt>
+     * is true, the document will be pretty printed with the default
+     * indentation level and default line wrapping.
+     *
+     * @param doc The document to output
+     * @param encoding The specified encoding
+     * @param indenting True for pretty printing
+     * @see #setEncoding
+     * @see #setIndenting
+     * @see #whichMethod
+     */
+    public OutputFormat( Document doc, String encoding, boolean indenting )
+    {
+        this( doc );
+        setEncoding( encoding );
+        setIndenting( indenting );
+    }
+
+
+    /**
+     * Returns the method specified for this output format.
+     * Typically the method will be <tt>xml</tt>, <tt>html</tt>
+     * or <tt>text</tt>, but it might be other values.
+     * If no method was specified, null will be returned
+     * and the most suitable method will be determined for
+     * the document by calling {@link #whichMethod}.
+     *
+     * @return The specified output method, or null
+     */
+    public String getMethod()
+    {
+        return _method;
+    }
+
+
+    /**
+     * Sets the method for this output format.
+     *
+     * @see #getMethod
+     * @param method The output method, or null
+     */
+    public void setMethod( String method )
+    {
+        _method = method;
+    }
+
+
+    /**
+     * Returns the version for this output method.
+     * If no version was specified, will return null
+     * and the default version number will be used.
+     * If the serializerr does not support that particular
+     * version, it should default to a supported version.
+     *
+     * @return The specified method version, or null
+     */
+    public String getVersion()
+    {
+        return _version;
+    }
+
+
+    /**
+     * Sets the version for this output method.
+     * For XML the value would be "1.0", for HTML
+     * it would be "4.0".
+     *
+     * @see #getVersion
+     * @param version The output method version, or null
+     */
+    public void setVersion( String version )
+    {
+        _version = version;
+    }
+
+
+    /**
+     * Returns the indentation specified. If no indentation
+     * was specified, zero is returned and the document
+     * should not be indented.
+     *
+     * @return The indentation or zero
+     * @see #setIndenting
+     */
+    public int getIndent()
+    {
+        return _indent;
+    }
+
+
+    /**
+     * Returns true if indentation was specified.
+     */
+    public boolean getIndenting()
+    {
+        return ( _indent > 0 );
+    }
+
+
+    /**
+     * Sets the indentation. The document will not be
+     * indented if the indentation is set to zero.
+     * Calling {@link #setIndenting} will reset this
+     * value to zero (off) or the default (on).
+     *
+     * @param indent The indentation, or zero
+     */
+    public void setIndent( int indent )
+    {
+        if ( indent < 0 )
+            _indent = 0;
+        else
+            _indent = indent;
+    }
+
+
+    /**
+     * Sets the indentation on and off. When set on, the default
+     * indentation level and default line wrapping is used
+     * (see {@link Defaults#Indent} and {@link Defaults#LineWidth}).
+     * To specify a different indentation level or line wrapping,
+     * use {@link #setIndent} and {@link #setLineWidth}.
+     *
+     * @param on True if indentation should be on
+     */
+    public void setIndenting( boolean on )
+    {
+        if ( on ) {
+            _indent = Defaults.Indent;
+            _lineWidth = Defaults.LineWidth;
+        } else {
+            _indent = 0;
+            _lineWidth = 0;
+        }
+    }
+
+
+    /**
+     * Returns the specified encoding. If no encoding was
+     * specified, the default is always "UTF-8".
+     *
+     * @return The encoding
+     */
+    public String getEncoding()
+    {
+        return _encoding;
+    }
+
+
+    /**
+     * Sets the encoding for this output method. If no
+     * encoding was specified, the default is always "UTF-8".
+     * Make sure the encoding is compatible with the one
+     * used by the {@link java.io.Writer}.
+     *
+     * @see #getEncoding
+     * @param encoding The encoding, or null
+     */
+    public void setEncoding( String encoding )
+    {
+        _encoding = encoding;
+        _encodingInfo = null;
+    }
+
+    /**
+     * Sets the encoding for this output method with an <code>EncodingInfo</code>
+     * instance.
+     */
+    public void setEncoding(EncodingInfo encInfo) {
+        _encoding = encInfo.getIANAName();
+        _encodingInfo = encInfo;
+    }
+
+    /**
+     * Returns an <code>EncodingInfo<code> instance for the encoding.
+     *
+     * @see #setEncoding
+     */
+    public EncodingInfo getEncodingInfo() throws UnsupportedEncodingException {
+        if (_encodingInfo == null)
+            _encodingInfo = Encodings.getEncodingInfo(_encoding, _allowJavaNames);
+        return _encodingInfo;
+    }
+
+    /**
+     * Sets whether java encoding names are permitted
+     */
+    public void setAllowJavaNames (boolean allow) {
+        _allowJavaNames = allow;
+    }
+
+    /**
+     * Returns whether java encoding names are permitted
+     */
+    public boolean setAllowJavaNames () {
+        return _allowJavaNames;
+    }
+
+    /**
+     * Returns the specified media type, or null.
+     * To determine the media type based on the
+     * document type, use {@link #whichMediaType}.
+     *
+     * @return The specified media type, or null
+     */
+    public String getMediaType()
+    {
+        return _mediaType;
+    }
+
+
+    /**
+     * Sets the media type.
+     *
+     * @see #getMediaType
+     * @param mediaType The specified media type
+     */
+    public void setMediaType( String mediaType )
+    {
+        _mediaType = mediaType;
+    }
+
+
+    /**
+     * Sets the document type public and system identifiers.
+     * Required only if the DOM Document or SAX events do not
+     * specify the document type, and one must be present in
+     * the serialized document. Any document type specified
+     * by the DOM Document or SAX events will override these
+     * values.
+     *
+     * @param publicId The public identifier, or null
+     * @param systemId The system identifier, or null
+     */
+    public void setDoctype( String publicId, String systemId )
+    {
+        _doctypePublic = publicId;
+        _doctypeSystem = systemId;
+    }
+
+
+    /**
+     * Returns the specified document type public identifier,
+     * or null.
+     */
+    public String getDoctypePublic()
+    {
+        return _doctypePublic;
+    }
+
+
+    /**
+     * Returns the specified document type system identifier,
+     * or null.
+     */
+    public String getDoctypeSystem()
+    {
+        return _doctypeSystem;
+    }
+
+
+    /**
+     * Returns true if comments should be ommited.
+     * The default is false.
+     */
+    public boolean getOmitComments()
+    {
+        return _omitComments;
+    }
+
+
+    /**
+     * Sets comment omitting on and off.
+     *
+     * @param omit True if comments should be ommited
+     */
+    public void setOmitComments( boolean omit )
+    {
+        _omitComments = omit;
+    }
+
+
+    /**
+     * Returns true if the DOCTYPE declaration should
+     * be ommited. The default is false.
+     */
+    public boolean getOmitDocumentType()
+    {
+        return _omitDoctype;
+    }
+
+
+    /**
+     * Sets DOCTYPE declaration omitting on and off.
+     *
+     * @param omit True if DOCTYPE declaration should be ommited
+     */
+    public void setOmitDocumentType( boolean omit )
+    {
+        _omitDoctype = omit;
+    }
+
+
+    /**
+     * Returns true if the XML document declaration should
+     * be ommited. The default is false.
+     */
+    public boolean getOmitXMLDeclaration()
+    {
+        return _omitXmlDeclaration;
+    }
+
+
+    /**
+     * Sets XML declaration omitting on and off.
+     *
+     * @param omit True if XML declaration should be ommited
+     */
+    public void setOmitXMLDeclaration( boolean omit )
+    {
+        _omitXmlDeclaration = omit;
+    }
+
+
+    /**
+     * Returns true if the document type is standalone.
+     * The default is false.
+     */
+    public boolean getStandalone()
+    {
+        return _standalone;
+    }
+
+
+    /**
+     * Sets document DTD standalone. The public and system
+     * identifiers must be null for the document to be
+     * serialized as standalone.
+     *
+     * @param standalone True if document DTD is standalone
+     */
+    public void setStandalone( boolean standalone )
+    {
+        _standalone = standalone;
+    }
+
+
+    /**
+     * Returns a list of all the elements whose text node children
+     * should be output as CDATA, or null if no such elements were
+     * specified.
+     */
+    public String[] getCDataElements()
+    {
+        return _cdataElements;
+    }
+
+
+    /**
+     * Returns true if the text node children of the given elements
+     * should be output as CDATA.
+     *
+     * @param tagName The element's tag name
+     * @return True if should serialize as CDATA
+     */
+    public boolean isCDataElement( String tagName )
+    {
+        int i;
+
+        if ( _cdataElements == null )
+            return false;
+        for ( i = 0 ; i < _cdataElements.length ; ++i )
+            if ( _cdataElements[ i ].equals( tagName ) )
+                return true;
+        return false;
+    }
+
+
+    /**
+     * Sets the list of elements for which text node children
+     * should be output as CDATA.
+     *
+     * @param cdataElements List of CDATA element tag names
+     */
+    public void setCDataElements( String[] cdataElements )
+    {
+        _cdataElements = cdataElements;
+    }
+
+
+    /**
+     * Returns a list of all the elements whose text node children
+     * should be output unescaped (no character references), or null
+     * if no such elements were specified.
+     */
+    public String[] getNonEscapingElements()
+    {
+        return _nonEscapingElements;
+    }
+
+
+    /**
+     * Returns true if the text node children of the given elements
+     * should be output unescaped.
+     *
+     * @param tagName The element's tag name
+     * @return True if should serialize unescaped
+     */
+    public boolean isNonEscapingElement( String tagName )
+    {
+        int i;
+
+        if ( _nonEscapingElements == null ) {
+            return false;
+        }
+        for ( i = 0 ; i < _nonEscapingElements.length ; ++i )
+            if ( _nonEscapingElements[ i ].equals( tagName ) )
+                return true;
+        return false;
+    }
+
+
+    /**
+     * Sets the list of elements for which text node children
+     * should be output unescaped (no character references).
+     *
+     * @param nonEscapingElements List of unescaped element tag names
+     */
+    public void setNonEscapingElements( String[] nonEscapingElements )
+    {
+        _nonEscapingElements = nonEscapingElements;
+    }
+
+
+
+    /**
+     * Returns a specific line separator to use. The default is the
+     * Web line separator (<tt>\n</tt>). A string is returned to
+     * support double codes (CR + LF).
+     *
+     * @return The specified line separator
+     */
+    public String getLineSeparator()
+    {
+        return _lineSeparator;
+    }
+
+
+    /**
+     * Sets the line separator. The default is the Web line separator
+     * (<tt>\n</tt>). The machine's line separator can be obtained
+     * from the system property <tt>line.separator</tt>, but is only
+     * useful if the document is edited on machines of the same type.
+     * For general documents, use the Web line separator.
+     *
+     * @param lineSeparator The specified line separator
+     */
+    public void setLineSeparator( String lineSeparator )
+    {
+        if ( lineSeparator == null )
+            _lineSeparator =  LineSeparator.Web;
+        else
+            _lineSeparator = lineSeparator;
+    }
+
+
+    /**
+     * Returns true if the default behavior for this format is to
+     * preserve spaces. All elements that do not specify otherwise
+     * or specify the default behavior will be formatted based on
+     * this rule. All elements that specify space preserving will
+     * always preserve space.
+     */
+    public boolean getPreserveSpace()
+    {
+        return _preserve;
+    }
+
+
+    /**
+     * Sets space preserving as the default behavior. The default is
+     * space stripping and all elements that do not specify otherwise
+     * or use the default value will not preserve spaces.
+     *
+     * @param preserve True if spaces should be preserved
+     */
+    public void setPreserveSpace( boolean preserve )
+    {
+        _preserve = preserve;
+    }
+
+
+    /**
+     * Return the selected line width for breaking up long lines.
+     * When indenting, and only when indenting, long lines will be
+     * broken at space boundaries based on this line width.
+     * No line wrapping occurs if this value is zero.
+     */
+    public int getLineWidth()
+    {
+        return _lineWidth;
+    }
+
+
+    /**
+     * Sets the line width. If zero then no line wrapping will
+     * occur. Calling {@link #setIndenting} will reset this
+     * value to zero (off) or the default (on).
+     *
+     * @param lineWidth The line width to use, zero for default
+     * @see #getLineWidth
+     * @see #setIndenting
+     */
+    public void setLineWidth( int lineWidth )
+    {
+        if ( lineWidth <= 0 )
+            _lineWidth = 0;
+        else
+            _lineWidth = lineWidth;
+    }
+        /**
+         * Returns the preserveEmptyAttribute flag. If flag is false, then'
+         * attributes with empty string values are output as the attribute
+         * name only (in HTML mode).
+         * @return preserve the preserve flag
+         */     public boolean getPreserveEmptyAttributes () {          return _preserveEmptyAttributes;        }       /**
+         * Sets the preserveEmptyAttribute flag. If flag is false, then'
+         * attributes with empty string values are output as the attribute
+         * name only (in HTML mode).
+         * @param preserve the preserve flag
+         */     public void setPreserveEmptyAttributes (boolean preserve) {             _preserveEmptyAttributes = preserve;    }
+
+    /**
+     * Returns the last printable character based on the selected
+     * encoding. Control characters and non-printable characters
+     * are always printed as character references.
+     */
+    public char getLastPrintable()
+    {
+        if ( getEncoding() != null &&
+             ( getEncoding().equalsIgnoreCase( "ASCII" ) ) )
+            return 0xFF;
+        else
+            return 0xFFFF;
+    }
+
+
+    /**
+     * Determine the output method for the specified document.
+     * If the document is an instance of {@link org.w3c.dom.html.HTMLDocument}
+     * then the method is said to be <tt>html</tt>. If the root
+     * element is 'html' and all text nodes preceding the root
+     * element are all whitespace, then the method is said to be
+     * <tt>html</tt>. Otherwise the method is <tt>xml</tt>.
+     *
+     * @param doc The document to check
+     * @return The suitable method
+     */
+    public static String whichMethod( Document doc )
+    {
+        Node    node;
+        String  value;
+        int     i;
+
+        // If document is derived from HTMLDocument then the default
+        // method is html.
+        if ( doc instanceof HTMLDocument )
+            return Method.HTML;
+
+        // Lookup the root element and the text nodes preceding it.
+        // If root element is html and all text nodes contain whitespace
+        // only, the method is html.
+
+        // FIXME (SM) should we care about namespaces here?
+
+        node = doc.getFirstChild();
+        while (node != null) {
+            // If the root element is html, the method is html.
+            if ( node.getNodeType() == Node.ELEMENT_NODE ) {
+                if ( node.getNodeName().equalsIgnoreCase( "html" ) ) {
+                    return Method.HTML;
+                } else if ( node.getNodeName().equalsIgnoreCase( "root" ) ) {
+                    return Method.FOP;
+                } else {
+                    return Method.XML;
+                }
+            } else if ( node.getNodeType() == Node.TEXT_NODE ) {
+                // If a text node preceding the root element contains
+                // only whitespace, this might be html, otherwise it's
+                // definitely xml.
+                value = node.getNodeValue();
+                for ( i = 0 ; i < value.length() ; ++i )
+                    if ( value.charAt( i ) != 0x20 && value.charAt( i ) != 0x0A &&
+                         value.charAt( i ) != 0x09 && value.charAt( i ) != 0x0D )
+                        return Method.XML;
+            }
+            node = node.getNextSibling();
+        }
+        // Anything else, the method is xml.
+        return Method.XML;
+    }
+
+
+    /**
+     * Returns the document type public identifier
+     * specified for this document, or null.
+     */
+    public static String whichDoctypePublic( Document doc )
+    {
+        DocumentType doctype;
+
+           /*  DOM Level 2 was introduced into the code base*/
+           doctype = doc.getDoctype();
+           if ( doctype != null ) {
+           // Note on catch: DOM Level 1 does not specify this method
+           // and the code will throw a NoSuchMethodError
+           try {
+           return doctype.getPublicId();
+           } catch ( Error except ) {  }
+           }
+
+        if ( doc instanceof HTMLDocument )
+            return DTD.XHTMLPublicId;
+        return null;
+    }
+
+
+    /**
+     * Returns the document type system identifier
+     * specified for this document, or null.
+     */
+    public static String whichDoctypeSystem( Document doc )
+    {
+        DocumentType doctype;
+
+        /* DOM Level 2 was introduced into the code base*/
+           doctype = doc.getDoctype();
+           if ( doctype != null ) {
+           // Note on catch: DOM Level 1 does not specify this method
+           // and the code will throw a NoSuchMethodError
+           try {
+           return doctype.getSystemId();
+           } catch ( Error except ) { }
+           }
+
+        if ( doc instanceof HTMLDocument )
+            return DTD.XHTMLSystemId;
+        return null;
+    }
+
+
+    /**
+     * Returns the suitable media format for a document
+     * output with the specified method.
+     */
+    public static String whichMediaType( String method )
+    {
+        if ( method.equalsIgnoreCase( Method.XML ) )
+            return "text/xml";
+        if ( method.equalsIgnoreCase( Method.HTML ) )
+            return "text/html";
+        if ( method.equalsIgnoreCase( Method.XHTML ) )
+            return "text/html";
+        if ( method.equalsIgnoreCase( Method.TEXT ) )
+            return "text/plain";
+        if ( method.equalsIgnoreCase( Method.FOP ) )
+            return "application/pdf";
+        return null;
+    }
+
+
+}