# FormRequestWriter.java

    /**
     *
     * Copyright 2009-2011 Rickard Öberg AB
     *
     * 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.
     */

    package org.qi4j.library.rest.client.requestwriter;

    import org.qi4j.library.rest.client.spi.RequestWriter;
    import org.restlet.Request;
    import org.restlet.data.CharacterSet;
    import org.restlet.data.Form;
    import org.restlet.data.Method;
    import org.restlet.resource.ResourceException;

    /**
     * Request writer for Form. Transfers form state to request reference as query parameters
     */
    public class FormRequestWriter
       implements RequestWriter
    {
        @Override
       public boolean writeRequest(Object requestObject, Request request) throws ResourceException
       {
          if (requestObject instanceof Form)
          {
             // Form as query parameters
             if (request.getMethod().equals(Method.GET))
                request.getResourceRef().setQuery(((Form)requestObject).getQueryString());
             else
                request.setEntity(((Form)requestObject).getWebRepresentation(CharacterSet.UTF_8));

             return true;
          }

          return false;
       }
    }