/*
 * $Header: /home/cvs/jakarta-commons/httpclient/src/examples/PostXML.java,v 1.10.2.1 2004/02/22 18:21:12 olegk Exp $
 * $Revision: 1.10.2.1 $
 * $Date: 2004/02/22 18:21:12 $
 * ====================================================================
 *
 *  Copyright 2002-2004 The Apache Software Foundation
 *
 *  Licensed 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.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 *
 * [Additional notices, if required by prior licensing conditions]
 *
 */

import java.io.File;
import java.io.FileInputStream;

import org.apache.commons.httpclient.HttpClient;
import org.apache.commons.httpclient.methods.EntityEnclosingMethod;
import org.apache.commons.httpclient.methods.PostMethod;

/**
 *
 * This is a sample application that demonstrates
 * how to use the Jakarta HttpClient API.
 *
 * This application sends an XML document
 * to a remote web server using HTTP POST
 *
 * @author Sean C. Sullivan
 * @author Ortwin Glück
 * @author Oleg Kalnichevski
 */
public class PostXML {

    /**
     *
     * Usage:
     *          java PostXML http://mywebserver:80/ c:\foo.xml
     *
     *  @param args command line arguments
     *                 Argument 0 is a URL to a web server
     *                 Argument 1 is a local filename
     *
     */
    public static void main(String[] args) throws Exception {
        if (args.length != 2) {
            System.out.println("Usage: java -classpath  [-Dorg.apache.commons.logging.simplelog.defaultlog=] PostXML  ]");
            System.out.println(" - must contain the commons-httpclient.jar and commons-logging.jar");
            System.out.println(" - one of error, warn, info, debug, trace");
            System.out.println(" - the URL to post the file to");
            System.out.println(" - file to post to the URL");
            System.out.println();
            System.exit(1);
        }
        // Get target URL
        String strURL = args[0];
        // Get file to be posted
        String strXMLFilename = args[1];
        File input = new File(strXMLFilename);
        // Prepare HTTP post
        PostMethod post = new PostMethod(strURL);
        // Request content will be retrieved directly 
        // from the input stream
        post.setRequestBody(new FileInputStream(input));
        // Per default, the request content needs to be buffered
        // in order to determine its length.
        // Request body buffering can be avoided when
        // = content length is explicitly specified
        // = chunk-encoding is used
        if (input.length() < Integer.MAX_VALUE) {
            post.setRequestContentLength((int)input.length());
        } else {
            post.setRequestContentLength(EntityEnclosingMethod.CONTENT_LENGTH_CHUNKED);
        }
        // Specify content type and encoding
        // If content encoding is not explicitly specified
        // ISO-8859-1 is assumed
        post.setRequestHeader("Content-type", "text/xml; charset=ISO-8859-1");
        // Get HTTP client
        HttpClient httpclient = new HttpClient();
        // Execute request
        int result = httpclient.executeMethod(post);
        // Display status code
        System.out.println("Response status code: " + result);
        // Display response
        System.out.println("Response body: ");
        System.out.println(post.getResponseBodyAsString());
        // Release current connection to the connection pool once you are done
        post.releaseConnection();
    }
}