/*
* 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.cocoon.auth;
import java.util.HashMap;
import java.util.Map;
import org.apache.avalon.framework.activity.Disposable;
import org.apache.avalon.framework.configuration.Configurable;
import org.apache.avalon.framework.configuration.Configuration;
import org.apache.avalon.framework.configuration.ConfigurationException;
import org.apache.avalon.framework.logger.AbstractLogEnabled;
import org.apache.avalon.framework.service.ServiceException;
import org.apache.avalon.framework.service.ServiceManager;
import org.apache.avalon.framework.service.Serviceable;
import org.apache.avalon.framework.thread.ThreadSafe;
import org.apache.cocoon.auth.impl.AnonymousSecurityHandler;
/**
* This is the default implementation for an {@link Application}.
*
* @version $Id$
*/
public class StandardApplication
extends AbstractLogEnabled
implements Application, Configurable, Serviceable, Disposable, ThreadSafe {
/** This prefix is used to lookup security handlers. */
protected static final String HANDLER_CONFIG_PREFIX =
SecurityHandler.class.getName() + '/';
/** This prefix is used to lookup application stores. */
protected static final String STORE_CONFIG_PREFIX =
ApplicationStore.class.getName() + '/';
/** The service manager. */
protected ServiceManager manager;
/** The security handler. */
protected SecurityHandler handler;
/** Attributes. */
protected final Map attributes = new HashMap();
/** Application store. */
protected ApplicationStore store;
/**
* @see org.apache.avalon.framework.service.Serviceable#service(org.apache.avalon.framework.service.ServiceManager)
*/
public void service(final ServiceManager aManager) throws ServiceException {
this.manager = aManager;
}
/**
* @see org.apache.avalon.framework.configuration.Configurable#configure(org.apache.avalon.framework.configuration.Configuration)
*/
public void configure(final Configuration conf)
throws ConfigurationException {
String handlerName = conf.getAttribute("security-handler", null);
String storeName = conf.getAttribute("store", null);
try {
if ( handlerName == null ) {
this.handler = new AnonymousSecurityHandler();
} else {
if ( !handlerName.startsWith(HANDLER_CONFIG_PREFIX) ) {
handlerName = HANDLER_CONFIG_PREFIX + handlerName;
}
this.handler = (SecurityHandler)this.manager.lookup(handlerName);
}
if ( storeName != null ) {
if ( !storeName.startsWith(STORE_CONFIG_PREFIX) ) {
storeName = STORE_CONFIG_PREFIX + storeName;
}
this.store = (ApplicationStore)this.manager.lookup(storeName);
}
} catch (ServiceException se) {
throw new ConfigurationException("Unable to look up component.", se);
}
this.configureAttributes(conf);
}
/**
* This method is invoked during configuration of the application. The
* default behaviour is to add all children of the configuration object
* as key value pairs. The name of the child is the key, and the value
* of the tag is the value (as a string).
* Subclasses can override this method, if a different/additional
* behaviour is wanted.
* @param conf The application configuration.
*/
protected void configureAttributes(final Configuration conf) {
Configuration[] children = conf.getChildren();
for(int i=0; i<children.length; i++) {
final String name = children[i].getName();
final String value = children[i].getValue(null);
if ( value != null && value.trim().length() > 0 ) {
this.setAttribute(name, value.trim());
}
}
}
/**
* @see org.apache.avalon.framework.activity.Disposable#dispose()
*/
public void dispose() {
if ( this.manager != null) {
this.manager.release(this.store);
if ( !(this.handler instanceof AnonymousSecurityHandler) ) {
this.manager.release(this.handler);
}
this.store = null;
this.handler = null;
this.manager = null;
}
}
/**
* @see org.apache.cocoon.auth.Application#getSecurityHandler()
*/
public SecurityHandler getSecurityHandler() {
return this.handler;
}
/**
* @see org.apache.cocoon.auth.Application#getApplicationStore()
*/
public ApplicationStore getApplicationStore() {
return this.store;
}
/**
* @see org.apache.cocoon.auth.Application#setAttribute(java.lang.String, java.lang.Object)
*/
public void setAttribute(final String key, final Object value) {
this.attributes.put(key, value);
}
/**
* @see org.apache.cocoon.auth.Application#removeAttribute(java.lang.String)
*/
public void removeAttribute(final String key) {
this.attributes.remove(key);
}
/**
* @see org.apache.cocoon.auth.Application#getAttribute(java.lang.String)
*/
public Object getAttribute(final String key) {
return this.attributes.get(key);
}
/**
* @see org.apache.cocoon.auth.Application#userDidLogin(org.apache.cocoon.auth.User, java.util.Map)
*/
public void userDidLogin(final User user, final Map context) {
// nothing to do here
}
/**
* @see org.apache.cocoon.auth.Application#userWillLogout(org.apache.cocoon.auth.User, java.util.Map)
*/
public void userWillLogout(final User user, final Map context) {
// nothing to do here
}
/**
* @see org.apache.cocoon.auth.Application#userIsAccessing(org.apache.cocoon.auth.User)
*/
public void userIsAccessing(final User user) {
// nothing to do here
}
}