/*

 * Licensed to the Apache Software Foundation (ASF) under one

 * or more contributor license agreements. See the NOTICE file

 * distributed with this work for additional information

 * regarding copyright ownership. The ASF licenses this file

 * to you 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.

 */

package com.sun.org.apache.xml.internal.serializer.dom3;

import java.io.IOException;

import com.sun.org.apache.xml.internal.serializer.DOM3Serializer;

import com.sun.org.apache.xml.internal.serializer.SerializationHandler;

import com.sun.org.apache.xml.internal.serializer.utils.WrappedRuntimeException;

import org.w3c.dom.DOMErrorHandler;

import org.w3c.dom.Node;

import org.w3c.dom.ls.LSSerializerFilter;

/**

 * This class implements the DOM3Serializer interface.

 *

 * @xsl.usage internal

 */

public final class DOM3SerializerImpl implements DOM3Serializer {

    /**

     * Private class members

     */

    // The DOMErrorHandler

    private DOMErrorHandler fErrorHandler;

    // A LSSerializerFilter

    private LSSerializerFilter fSerializerFilter;

    // The end-of-line character sequence

    private String fNewLine;

    // A SerializationHandler ex. an instance of ToXMLStream

    private SerializationHandler fSerializationHandler;

    /**

     * Constructor

     *

     * @param handler An instance of the SerializationHandler interface.

     */

    public DOM3SerializerImpl(SerializationHandler handler) {

        fSerializationHandler = handler;

    }

    // Public memebers

    /**

     * Returns a DOMErrorHandler set on the DOM Level 3 Serializer.

     *

     * This interface is a public API.

     *

     * @return A Level 3 DOMErrorHandler

     */

    public DOMErrorHandler getErrorHandler() {

        return fErrorHandler;

    }

    /**

     * Returns a LSSerializerFilter set on the DOM Level 3 Serializer to filter nodes

     * during serialization.

     *

     * This interface is a public API.

     *

     * @return The Level 3 LSSerializerFilter

     */

    public LSSerializerFilter getNodeFilter() {

        return fSerializerFilter;

    }

    /**

     * Serializes the Level 3 DOM node by creating an instance of DOM3TreeWalker

     * which traverses the DOM tree and invokes handler events to serialize

     * the DOM NOde. Throws an exception only if an I/O exception occured

     * while serializing.

     * This interface is a public API.

     *

     * @param node the Level 3 DOM node to serialize

     * @throws IOException if an I/O exception occured while serializing

     */

    public void serializeDOM3(Node node) throws IOException {

        try {

            DOM3TreeWalker walker = new DOM3TreeWalker(fSerializationHandler,

                    fErrorHandler, fSerializerFilter, fNewLine);

            walker.traverse(node);

        } catch (org.xml.sax.SAXException se) {

            throw new WrappedRuntimeException(se);

        }

    }

    /**

     * Sets a DOMErrorHandler on the DOM Level 3 Serializer.

     *

     * This interface is a public API.

     *

     * @param handler the Level 3 DOMErrorHandler

     */

    public void setErrorHandler(DOMErrorHandler handler) {

        fErrorHandler = handler;

    }

    /**

     * Sets a LSSerializerFilter on the DOM Level 3 Serializer to filter nodes

     * during serialization.

     *

     * This interface is a public API.

     *

     * @param filter the Level 3 LSSerializerFilter

     */

    public void setNodeFilter(LSSerializerFilter filter) {

        fSerializerFilter = filter;

    }

    /**

     * Sets a SerializationHandler on the DOM Serializer.

     *

     * This interface is a public API.

     *

     * @param handler An instance of SerializationHandler

     */

    public void setSerializationHandler(SerializationHandler handler) {

        fSerializationHandler = handler;

    }

    /**

     * Sets the new line character to be used during serialization

     * @param newLine a String that is the end-of-line character sequence to be

     * used in serialization.

     */

    public void setNewLine(String newLine) {

        fNewLine = newLine;

    }

}