/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.lenya.cms.usecase.cocoon;
import java.util.Map;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.cocoon.components.modules.input.AbstractInputModule;
import org.apache.cocoon.environment.ObjectModelHelper;
import org.apache.cocoon.environment.Request;
import org.apache.lenya.cms.usecase.Usecase;
import org.apache.lenya.cms.usecase.UsecaseResolver;
import org.apache.lenya.cms.usecase.gui.Tab;
import org.apache.lenya.util.ServletHelper;
/**
* Input module to obtain information about usecases.
*/
public class UsecaseModule extends AbstractInputModule implements Serviceable {
public Object getAttribute(String name, Configuration modeConf, Map objectModel)
throws ConfigurationException {
Object value = "";
String prefix = "tabGroup:";
if (name.startsWith(prefix) && name.length() > prefix.length()) {
String[] steps = name.split(":");
String usecaseName = steps[1];
Request request = ObjectModelHelper.getRequest(objectModel);
String webappUrl = ServletHelper.getWebappURI(request);
UsecaseResolver resolver = null;
Usecase usecase = null;
try {
resolver = (UsecaseResolver) this.manager.lookup(UsecaseResolver.ROLE);
usecase = resolver.resolve(webappUrl, usecaseName);
if (usecase.getView() != null) {
Tab tab = usecase.getView().getTab();
if (tab != null) {
value = tab.getGroup();
}
}
} catch (ServiceException e) {
throw new ConfigurationException("Error: ", e);
}
finally {
if (resolver != null) {
if (usecase != null) {
try {
resolver.release(usecase);
} catch (ServiceException e) {
throw new RuntimeException(e);
}
}
this.manager.release(resolver);
}
}
}
return value;
}
private ServiceManager manager;
public void service(ServiceManager manager) throws ServiceException {
this.manager = manager;
}
}