Java XML Document Parse parseDocument(InputStream is)

Description

parse Document

License

Apache License

Declaration

public static Document parseDocument(InputStream is)
            throws IOException, SAXException, ParserConfigurationException 

Method Source Code

//package com.java2s;
/*//from w  w  w  .  j  a v a2  s .  co m
 * 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.
 */

import java.io.InputStream;
import java.io.IOException;
import java.util.Queue;
import java.util.concurrent.ConcurrentLinkedQueue;

import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;

import org.w3c.dom.Document;

import org.xml.sax.SAXException;

public class Main {
    private static DocumentBuilderFactory dbf;
    private static Queue builders = new ConcurrentLinkedQueue();

    public static Document parseDocument(InputStream is)
            throws IOException, SAXException, ParserConfigurationException {
        DocumentBuilder builder = getBuilder();
        try {
            return builder.parse(is);
        } finally {
            releaseBuilder(builder);
        }
    }

    public static DocumentBuilder getBuilder() throws ParserConfigurationException {
        DocumentBuilder builder = (DocumentBuilder) builders.poll();
        if (builder == null) {
            if (dbf == null) {
                dbf = DocumentBuilderFactory.newInstance();
                dbf.setNamespaceAware(true);
            }
            builder = dbf.newDocumentBuilder();
        }
        return builder;
    }

    public static void releaseBuilder(DocumentBuilder builder) {
        if (builder != null) {
            builders.add(builder);
        }
    }
}

Related

1. parseDocument(File file)
2. parseDocument(InputSource is)
3. parseDocument(InputStream documentXml)
4. parseDocument(InputStream in)
5. parseDocument(InputStream is)
6. parseDocument(InputStream is)
7. parseDocument(InputStream is)
8. parseDocument(Path xmlPath)
9. parseDocument(Reader reader)