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/*
 * ====================================================================
 *
 *  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]
 *
 */

package org.apache.commons.httpclient.contrib.utils;

import org.apache.commons.httpclient.Header;
import org.apache.commons.httpclient.HostConfiguration;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.HttpMethodBase;
import org.apache.commons.httpclient.methods.EntityEnclosingMethod;

/**
 * In this class are only methods to copy a HttpMethod: 
 * PUT, GET, POST,DELETE, TRACE, ...
 *
 * @author Thomas Mathis
 * 
 * DISCLAIMER: HttpClient developers DO NOT actively support this component.
 * The component is provided as a reference material, which may be inappropriate
 * to be used without additional customization.
 */

public class HttpMethodCloner {

    private static void copyEntityEnclosingMethod(
      EntityEnclosingMethod m, EntityEnclosingMethod copy )
        throws java.io.IOException
     {
         copy.setRequestBody(m.getRequestBodyAsString());
         copy.setUseExpectHeader(m.getUseExpectHeader());
     }
 
    private static void copyHttpMethodBase(
      HttpMethodBase m, HttpMethodBase copy) {
        if (m.getHostConfiguration() != null) {
            copy.setHostConfiguration(
              new HostConfiguration(m.getHostConfiguration()));
        }
        copy.setHttp11(m.isHttp11());
        copy.setStrictMode(m.isStrictMode());
    }

    /**
     * Clones a HttpMethod. 
* Attention: You have to clone a method before it has * been executed, because the URI can change if followRedirects * is set to true. * * @param m the HttpMethod to clone * * @return the cloned HttpMethod, null if the HttpMethod could * not be instantiated * * @throws java.io.IOException if the request body couldn't be read */ public static HttpMethod clone(HttpMethod m) throws java.io.IOException { HttpMethod copy = null; // copy the HttpMethod try { copy = (HttpMethod) m.getClass().newInstance(); } catch (InstantiationException iEx) { } catch (IllegalAccessException iaEx) { } if ( copy == null ) { return null; } copy.setDoAuthentication(m.getDoAuthentication()); copy.setFollowRedirects(m.getFollowRedirects()); copy.setPath( m.getPath() ); copy.setQueryString(m.getQueryString()); // clone the headers Header[] h = m.getRequestHeaders(); int size = (h == null) ? 0 : h.length; for (int i = 0; i < size; i++) { copy.setRequestHeader( new Header(h[i].getName(), h[i].getValue())); } copy.setStrictMode(m.isStrictMode()); if (m instanceof HttpMethodBase) { copyHttpMethodBase( (HttpMethodBase)m, (HttpMethodBase)copy); } if (m instanceof EntityEnclosingMethod) { copyEntityEnclosingMethod( (EntityEnclosingMethod)m, (EntityEnclosingMethod)copy); } return copy; } }


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