/* *  Copyright (c) 2001 Sun Microsystems, Inc.  All rights *  reserved. * *  Redistribution and use in source and binary forms, with or without *  modification, are permitted provided that the following conditions *  are met: * *  1. Redistributions of source code must retain the above copyright *  notice, this list of conditions and the following disclaimer. * *  2. 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. * *  3. The end-user documentation included with the redistribution, *  if any, must include the following acknowledgment: *  "This product includes software developed by the *  Sun Microsystems, Inc. for Project JXTA." *  Alternately, this acknowledgment may appear in the software itself, *  if and wherever such third-party acknowledgments normally appear. * *  4. The names "Sun", "Sun Microsystems, Inc.", "JXTA" and "Project JXTA" *  must not be used to endorse or promote products derived from this *  software without prior written permission. For written *  permission, please contact Project JXTA at http://www.jxta.org. * *  5. Products derived from this software may not be called "JXTA", *  nor may "JXTA" appear in their name, without prior written *  permission of Sun. * *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED 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 APACHE SOFTWARE FOUNDATION OR *  ITS 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. *  ==================================================================== * *  This software consists of voluntary contributions made by many *  individuals on behalf of Project JXTA.  For more *  information on Project JXTA, please see *  <http://www.jxta.org/>. * *  This license is based on the BSD license adopted by the Apache Foundation. * *  $Id: HttpPost.java,v 1.7 2005/12/14 22:33:24 gonzo Exp $ */package net.jxta.ext.http;import java.io.BufferedWriter;import java.io.IOException;import java.io.OutputStreamWriter;import java.net.URL;/** * HTTP Post {@link net.jxta.ext.http.Dispatchable} implemetation. * * @author     james todd [gonzo at jxta dot org] */public class HttpPost    extends HttpGet {    static {        headers.put(Message.ACCEPT_CHARSET, Message.CHARSET);        headers.put(Message.CONTENT_TYPE, Message.URL_FORM_ENCODED);    }    /**     * Default constructor.     */        public HttpPost() {        this(null);    }    /**     * Constructor which specifies the destination {@link java.net.URL} address.     *     * @param       url     destination {@link java.net.URL} address     */        public HttpPost(URL url) {        this(url, null);    }    /**     * Constructor which specifies the destination {@link java.net.URL} address     * and outbound {@link net.jxta.ext.http.Message}.     *     * @param       url     destination {@link java.net.URL} address     * @param       msg     outbound {@link net.jxta.ext.http.Message}     */        public HttpPost(URL url, Message msg) {        super(url, msg);        this.method = Message.POST;    }    /**     * Establish the HTTP connection passing the outbound {@link net.jxta.ext.http.Message} and     * returning the corresponding {@link net.jxta.ext.http.Message} response.     *     * @return          response {@link net.jxta.ext.http.Message}     */        public Message dispatch()    throws IOException {        URL u = getURL();        this.connection = openConnection(u);        doGet();        doPost();        Message response = getResponse(u);        closeConnection();        return response;    }    /**     * HTTP Post implementation.     */        protected void doPost()    throws IOException {        Message msg = getMessage();        if (super.method == Message.POST &&            msg != null &&            msg.hasBody()) {            BufferedWriter bw = null;            boolean isError = false;            try {                char[] buf = msg.getBody().toCharArray();                OutputStreamWriter osw =                    new OutputStreamWriter(this.connection.getOutputStream());                int l = BLOCK;                int c = 0;                int m = buf.length;                bw = new BufferedWriter(osw);                while ((c * BLOCK) < m) {                    if (((c + l) * BLOCK) > m) {                        l = m - c * BLOCK;                    }                    bw.write(buf, c++ * BLOCK, l);                }            } catch (Exception e) {                isError = true;            }            if (bw != null) {                bw.flush();                bw.close();            }            if (isError) {                throw new IOException();            }        }    }}