xmlio.java

j2me sip客户端程序源码 提供了J2ME中SIP协议开发样例源码

//Title:        Tequila
//Version:
//Copyright:    Copyright (c) 1999
//Author:       Oleg A. Oksyuk
//Company:      Reaxion
//Description:  Tequila project description
/**
 * @(#)$RCSfile: XmlIO.java,v $            $Revision: 1.2 $
 *
 * ====================================================================
 * Copyright 2001, Reaxion Corp.,
 * 11418 105th PL NE, Kirkland, WA, 98033, USA
 * All rights reserved.
 * ====================================================================
 *
 * The contents of this file are subject to the Mozilla Public
 * License Version 1.1 (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.mozilla.org/MPL/
 *
 * Software distributed under the License is distributed on an "AS
 * IS" basis, WITHOUT WARRANTY OF ANY KIND, either express or
 * implied. See the License for the specific language governing
 * rights and limitations under the License.
 *
 * The Original Code is the Tequila SyncML.
 *
 * The Initial Developer of the Original Code is Reaxion Corp.
 * All Rights Reserved.
 */
package com.reaxion.tequila.syncml.xml.node;

import java.util.*;
import java.io.*;

import javax.microedition.io.*;

import org.kxml.kdom.*;
import org.kxml.parser.*;

import com.reaxion.tequila.syncml.xml.*;
import com.reaxion.tequila.syncml.util.*;

/**
 * Reads/Writes XML documents for Jaxp xml parser
 *
 * @version   $1.0$
 * @author    Oleg A. Oksyuk
 */
public class XmlIO
{

    private static final String SERVER_URL = "http://localhost/";

    private static Element readElementFromStream(InputStream in) throws IOException
    {
        Reader reader = new InputStreamReader(in);
	    AbstractXmlParser parser = new XmlParser(reader);
	    Document document = new Document ();
	    document.parse (parser);
        return document.getRootElement();
    }
    
    public static Element readElementFromFile(String fileName) throws IOException
    {
		HttpConnection c		= null;
		InputStream is          = null;

        c = (HttpConnection)Connector.open(SERVER_URL+fileName);
        is = c.openInputStream();

        if (null == is)
        {
            throw new IOException("Could not find .xml file to read from");
        }
        return readElementFromStream(is);
    }
    public static Element readElementFromBytes(byte bts[]) throws IOException
    {
        return readElementFromStream(new ByteArrayInputStream(bts));
    }

    public static IXMLNode readXmlNodeFromFile(String fileName) throws IOException
    {
        return new XmlNodeImpl(readElementFromFile(fileName));
    }
    public static IXMLNode readXmlNodeFromBytes(byte [] bts) throws IOException

    {
        return new XmlNodeImpl(readElementFromBytes(bts));
    }


    public static byte[] writeNodeToBytes(Node node) throws IOException

    {
        return node.toString().getBytes();
    }
    public static byte[] writeXmlNodeToBytes(IXMLNode node) throws IOException
    {
        return writeNodeToBytes(((XmlNodeImpl) node).getNode());
    }
    public static void writeXmlNodeToFile(IXMLNode node, String fileName) throws IOException
    {
        Log.println("Attention!!! Can not write to file for j2me");
    }

}


/* -----------------------------------------------------------------------------
 * Change log:
 * -----------------------------------------------------------------------------
 * $Log: XmlIO.java,v $
 * Revision 1.2  2001/10/17 15:27:43  OlegO
 * changed comments for better javadoc
 *
 * Revision 1.1.1.1  2001/10/11 13:13:32  OlegO
 * no message
 *
 * Revision 1.1  2001/07/24 13:08:19  OlegO
 * no message
 *
 */