Parses the input stream and returns a DOM Document . - Java XML

Java examples for XML:DOM Document

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Description

Parses the input stream and returns a DOM Document .

Demo Code

/*// ww w. j  a  va  2  s  .  co m
 * Copyright (c) 2008, IETR/INSA of Rennes
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions are met:
 * 
 *   * Redistributions of source code must retain the above copyright notice,
 *     this list of conditions and the following disclaimer.
 *   * Redistributions in binary form must reproduce the above copyright notice,
 *     this list of conditions and the following disclaimer in the documentation
 *     and/or other materials provided with the distribution.
 *   * Neither the name of the IETR/INSA of Rennes nor the names of its
 *     contributors may be used to endorse or promote products derived from this
 *     software without specific prior written permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY
 * WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 */
//package com.java2s;
import java.io.InputStream;

import org.w3c.dom.DOMConfiguration;
import org.w3c.dom.DOMImplementation;
import org.w3c.dom.Document;

import org.w3c.dom.bootstrap.DOMImplementationRegistry;
import org.w3c.dom.ls.DOMImplementationLS;
import org.w3c.dom.ls.LSInput;

import org.w3c.dom.ls.LSParser;

public class Main {
    /**
     * Parses the input stream and returns a DOM {@link Document}.
     * 
     * @param byteStream
     *            The input stream.
     * @return The {@link Document} parsed from the input.
     */
    public static Document parse(InputStream byteStream) {
        // input
        DOMImplementationLS impl = (DOMImplementationLS) getDOMImplementation();
        LSInput input = impl.createLSInput();
        input.setByteStream(byteStream);

        // parse without comments and whitespace
        LSParser builder = impl.createLSParser(
                DOMImplementationLS.MODE_SYNCHRONOUS, null);
        DOMConfiguration config = builder.getDomConfig();
        config.setParameter("comments", false);
        config.setParameter("element-content-whitespace", false);

        // returns the document parsed from the input
        return builder.parse(input);
    }

    /**
     * Returns a DOM implementation that has the following features:
     * <ul>
     * <li>Core 3.0</li>
     * <li>XML 3.0</li>
     * <li>LS</li>
     * </ul>
     * 
     * @return A {@link DOMImplementation} object that can be cast to
     *         {@link DOMImplementationLS}.
     */
    public static DOMImplementation getDOMImplementation() {
        try {
            DOMImplementationRegistry registry = DOMImplementationRegistry
                    .newInstance();
            return registry.getDOMImplementation("Core 3.0 XML 3.0 LS");
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }
}

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