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1   /*
2    * Licensed to the Apache Software Foundation (ASF) under one or more
3    * contributor license agreements.  See the NOTICE file distributed with
4    * this work for additional information regarding copyright ownership.
5    * The ASF licenses this file to You under the Apache License, Version 2.0
6    * (the "License"); you may not use this file except in compliance with
7    * the License.  You may obtain a copy of the License at
8    * 
9    *      http://www.apache.org/licenses/LICENSE-2.0
10   * 
11   * Unless required by applicable law or agreed to in writing, software
12   * distributed under the License is distributed on an "AS IS" BASIS,
13   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
14   * See the License for the specific language governing permissions and
15   * limitations under the License.
16   */
17  package org.apache.portals.bridges.struts.taglib;
18  
19  import javax.servlet.ServletRequest; // javadoc
20  
21  import org.apache.portals.bridges.struts.PortletServlet;
22  
23  /***
24   * Supports the Struts html:form tag to be used within a Portlet context.
25   * 
26   * @author <a href="mailto:ate@douma.nu">Ate Douma</a>
27   * @version $Id: FormTag.java 517068 2007-03-12 01:44:37Z ate $
28   */
29  public class FormTag extends org.apache.struts.taglib.html.FormTag
30  {
31      /***
32       * Modifies the default generated form action url to be a valid Portlet ActionURL
33       * when in the context of a {@link PortletServlet#isPortletRequest(ServletRequest) PortletRequest}.
34       * @return the formStartElement
35       */
36      protected String renderFormStartElement()
37      {
38          if ( PortletServlet.isPortletRequest(pageContext.getRequest() ))
39          {
40              return TagsSupport.getFormTagRenderFormStartElement(pageContext,super.renderFormStartElement());
41          }
42          else
43          {
44              return super.renderFormStartElement();
45          }
46      }
47  }