[jelly] PATCH: HTTP multi-part mime post

[Bill Keese <bi...@tech.beacon-it.co.jp>]

This patch adds the tag <http:mppost> to allow multi-part mime message post.

$ cvs diff -u httptaglibrary.java
Index: HttpTagLibrary.java
===================================================================
RCS file:
/home/cvspublic/jakarta-commons/jelly/jelly-tags/http/src/java/org/apache/co
mmons/jelly/tags/http/HttpTagLibrary.java,v
retrieving revision 1.3
diff -u -r1.3 HttpTagLibrary.java
--- HttpTagLibrary.java 23 Oct 2002 16:35:35 -0000      1.3
+++ HttpTagLibrary.java 6 Jun 2003 02:00:25 -0000
@@ -80,6 +80,7 @@
         registerTag("session", SessionTag.class);
         registerTag("get", GetTag.class);
         registerTag("post", PostTag.class);
+        registerTag("mppost", MPPostTag.class);
         registerTag("delete", DeleteTag.class);
         registerTag("head", HeadTag.class);
         registerTag("options", OptionsTag.class);

=============================================
New file: MPPostTag.java

/*
 * $Header:
/home/cvs/jakarta-commons/latka/src/java/org/apache/commons/latka/jelly/Post
Tag.java,v 1.4 2002/07/14 16:41:38 dion Exp $
 * $Revision: 1.4 $
 * $Date: 2002/07/14 16:41:38 $
 *
 * ====================================================================
 *
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 2002 The Apache Software Foundation.  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 acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "The Jakarta Project", "Commons", and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact apache@apache.org.
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * 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
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 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
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 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
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 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
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 */

package org.apache.commons.jelly.tags.http;

import java.net.MalformedURLException;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.methods.MultipartPostMethod;


/**
 * A Multipart MIME message post
 *
 * This tag should contain one or more &lt;parameter&gt; tags, to
 * specify the multiple parts of the message
 *
 * Example:
 *   &lt;mppost uri="http://localhost?doit"&gt;
 *       &lt;parameter name="user"&gt;Fred&lt;/parameter&gt;
 *       &lt;parameter name="data"&gt;This is the second part of the
message&lt;/parameter&gt;
 *   &lt;/mppost&gt;
 *
 * (The syntax is the same as the &lt;get&gt; and &lt;post&gt; tags)
 *
 * @author <a href="mailto:wkeese@yahoo.com">Bill Keese</a>
 *
 * @since ???
 */
public class MppostTag extends HttpTagSupport {

    /** the post method */
    private MultipartPostMethod _postMethod;

    /** Creates a new instance of mppostTag */
    public MppostTag() {
    }

    /**
     * Return a {@link HttpUrlMethod method} to be used for multi-part
post'ing
     *
     * @return a HttpUrlMethod implementation
     * @throws MalformedURLException when the {@link getUrl() url} or
     * {@link #getPath() path} is invalid
     */
    protected HttpMethod getHttpMethod() throws MalformedURLException {
        if (_postMethod == null) {
            _postMethod = new MultipartPostMethod(getResolvedUrl());
        }
        return _postMethod;
    }

    /**
     * Set the current parameters on the url method ready for processing
     *
     * This method <strong>must</strong> be called after
     *  {@link getHttpUrlMethod}
     */
    protected void setParameters(HttpMethod method) {
        NameValuePair nvp = null;
        for (int index = 0; index < getParameters().size(); index++) {
            NameValuePair parameter = (NameValuePair) getParameters().
                get(index);
            ((MultipartPostMethod) method).addParameter(parameter.getName(),
parameter.getValue());
        }
    }
}


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