/*
* Copyright 2000-2004 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.
*/
package org.apache.jetspeed.modules.actions;
// Java Core Classes
import java.util.Enumeration;
import org.apache.jetspeed.util.URILookup;
import org.apache.turbine.modules.Action;
import org.apache.turbine.util.RunData;
/**
* Marks the referer page to enable buttons as "back"
*
* @author <A HREF="shesmer@raleigh.ibm.com">Stephan Hesmer</A>
*/
public class MarkRefPage extends Action {
public void doPerform(RunData data) throws Exception {
Enumeration enu = data.getRequest().getHeaderNames();
while (enu.hasMoreElements()) {
String name = (String) enu.nextElement();
if ("referer".equalsIgnoreCase(name)) {
// check name case insensitive, because getHeader checks case-sensitive,
// though it is defined as case-insensitive in the servlet specification
String uri = data.getRequest().getHeader(name);
if (uri != null) {
// remove sessionid, if exists
if (uri.indexOf(";jsessionid") != -1) {
uri = uri.substring(0, uri.indexOf(";jsessionid"));
}
// adds sessionid if necessary
uri = data.getResponse().encodeURL(uri);
URILookup.markPage(uri, data);
}
break;
}
}
}
}