+++ /dev/null
-/*
- * Copyright (C) 2007-2012 Mathieu Baudier
- *
- * 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.argeo.eclipse.spring;
-
-import org.apache.commons.logging.Log;
-import org.apache.commons.logging.LogFactory;
-import org.argeo.ArgeoException;
-import org.eclipse.core.commands.ExecutionEvent;
-import org.eclipse.core.commands.ExecutionException;
-import org.eclipse.core.commands.IHandler;
-import org.eclipse.core.commands.IHandlerListener;
-import org.springframework.context.ApplicationContext;
-
-/** Allows to declare Eclipse commands as Spring beans */
-public class SpringCommandHandler implements IHandler {
- private final static Log log = LogFactory
- .getLog(SpringCommandHandler.class);
-
- public void addHandlerListener(IHandlerListener handlerListener) {
- }
-
- public void dispose() {
- }
-
- public Object execute(ExecutionEvent event) throws ExecutionException {
- String commandId = event.getCommand().getId();
- String bundleSymbolicName = commandId.substring(0,
- commandId.lastIndexOf('.'));
- try {
- if (log.isTraceEnabled())
- log.trace("Execute " + event + " via spring command handler "
- + this);
- // TODO: make it more flexible and robust
- ApplicationContext applicationContext = ApplicationContextTracker
- .getApplicationContext(bundleSymbolicName);
- if (applicationContext == null)
- throw new ArgeoException("No application context found for "
- + bundleSymbolicName);
-
- // retrieve the command via its id
- String beanName = event.getCommand().getId();
-
- if (!applicationContext.containsBean(beanName)) {
- if (beanName.startsWith(bundleSymbolicName))
- beanName = beanName
- .substring(bundleSymbolicName.length() + 1);
- }
-
- if (!applicationContext.containsBean(beanName))
- throw new ExecutionException("No bean found with name "
- + beanName + " in bundle " + bundleSymbolicName);
- Object bean = applicationContext.getBean(beanName);
-
- if (!(bean instanceof IHandler))
- throw new ExecutionException("Bean with name " + beanName
- + " and class " + bean.getClass()
- + " does not implement the IHandler interface.");
-
- IHandler handler = (IHandler) bean;
- return handler.execute(event);
- } catch (Exception e) {
- // TODO: use eclipse error management
- // log.error(e);
- throw new ExecutionException("Cannot execute Spring command "
- + commandId + " in bundle " + bundleSymbolicName, e);
- }
- }
-
- public boolean isEnabled() {
- return true;
- }
-
- public boolean isHandled() {
- return true;
- }
-
- public void removeHandlerListener(IHandlerListener handlerListener) {
- }
-
-}