lucee.commons.net.http.httpclient3.HttpMethodCloner.java Source code

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Here is the source code for lucee.commons.net.http.httpclient3.HttpMethodCloner.java

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/**
 *
 * Copyright (c) 2014, the Railo Company Ltd. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either 
 * version 2.1 of the License, or (at your option) any later version.
 * 
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 * 
 * You should have received a copy of the GNU Lesser General Public 
 * License along with this library.  If not, see <http://www.gnu.org/licenses/>.
 * 
 **/
package lucee.commons.net.http.httpclient3;

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;
import org.apache.commons.httpclient.params.HttpMethodParams;

/**
  * In this class are only methods to copy a HttpMethod:
  * PUT, GET, POST,DELETE, TRACE, ...
  */

public class HttpMethodCloner {

    private static void copyEntityEnclosingMethod(EntityEnclosingMethod m, EntityEnclosingMethod copy) {
        copy.setRequestEntity(m.getRequestEntity());
    }

    private static void copyHttpMethodBase(HttpMethodBase m, HttpMethodBase copy) {
        if (m.getHostConfiguration() != null) {
            copy.setHostConfiguration(new HostConfiguration(m.getHostConfiguration()));
        }
        try {
            copy.setParams((HttpMethodParams) m.getParams().clone());
        } catch (CloneNotSupportedException e) {
        }
    }

    /**
    * Clones a HttpMethod. &ltbr>
    * &ltb&gtAttention:</b> 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) {
        HttpMethod copy = null;
        try {
            copy = 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());

        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;
    }
}