Java XML Parse Stream parse(InputStream in)

Description

parse

License

Open Source License

Parameter

Parameter	Description
in	...

Exception

Parameter	Description
RuntimeException	...

Return

...

Declaration

public static Document parse(InputStream in) throws RuntimeException 

Method Source Code

//package com.java2s;
/*//from   ww  w. j  av  a  2  s . com
 * Helma License Notice
 *
 * The contents of this file are subject to the Helma License
 * Version 2.0 (the "License"). You may not use this file except in
 * compliance with the License. A copy of the License is available at
 * http://adele.helma.org/download/helma/license.txt
 *
 * Copyright 1998-2003 Helma Software. All Rights Reserved.
 *
 * $RCSfile$
 * $Author$
 * $Revision$
 * $Date$
 */

import org.w3c.dom.Document;

import org.xml.sax.InputSource;
import org.xml.sax.SAXException;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.parsers.ParserConfigurationException;
import java.io.IOException;
import java.io.InputStream;
import java.util.WeakHashMap;

public class Main {
    private static final DocumentBuilderFactory domBuilderFactory = javax.xml.parsers.DocumentBuilderFactory
            .newInstance();
    private static final WeakHashMap domBuilders = new WeakHashMap();

    /**
     *
     *
     * @param in ...
     *
     * @return ...
     *
     * @throws RuntimeException ...
     */
    public static Document parse(InputStream in) throws RuntimeException {
        DocumentBuilder d = getDocumentBuilder();

        try {
            Document doc = d.parse(in);

            doc.normalize();

            return doc;
        } catch (SAXException e) {
            throw new RuntimeException("Bad xml-code: " + e.toString());
        } catch (IOException f) {
            throw new RuntimeException("Could not read Xml: " + f.toString());
        }
    }

    /**
     *
     *
     * @param in ...
     *
     * @return ...
     *
     * @throws RuntimeException ...
     */
    public static Document parse(InputSource in) throws RuntimeException {
        DocumentBuilder d = getDocumentBuilder();

        try {
            Document doc = d.parse(in);

            doc.normalize();

            return doc;
        } catch (SAXException e) {
            throw new RuntimeException("Bad xml-code: " + e.toString());
        } catch (IOException f) {
            throw new RuntimeException("Could not read Xml: " + f.toString());
        }
    }

    private static synchronized DocumentBuilder getDocumentBuilder() {
        DocumentBuilder domBuilder = (DocumentBuilder) domBuilders.get(Thread.currentThread());

        if (domBuilder != null) {
            return domBuilder;
        } else {
            try {
                domBuilder = domBuilderFactory.newDocumentBuilder();
                domBuilders.put(Thread.currentThread(), domBuilder);

                return domBuilder;
            } catch (ParserConfigurationException e) {
                throw new RuntimeException("Cannot build parser: " + e.toString());
            }
        }
    }
}

Related

1. parse(final InputStream inputStream)
2. parse(final InputStream is)
3. parse(InputStream anInputStream)
4. parse(InputStream byteStream)
5. parse(InputStream in)
6. parse(InputStream inputStream)
7. parse(InputStream inputStream)
8. parse(InputStream is)
9. parse(InputStream is)