/* | |
* 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.ki.session; | |
import java.io.Serializable; | |
import java.net.InetAddress; | |
import java.util.Collection; | |
import java.util.Date; | |
/** | |
* Simple <code>Session</code> implementation that immediately delegates all corresponding calls to an | |
* underlying proxied session instance. | |
* <p/> | |
* This class is mostly useful for framework subclassing to intercept certain <code>Session</code> calls | |
* and perform additional logic. | |
* | |
* @author Les Hazlewood | |
* @since 0.9 | |
*/ | |
public class ProxiedSession implements Session { | |
/** | |
* The proxied instance | |
*/ | |
protected final Session delegate; | |
/** | |
* Constructs an instance that proxies the specified <code>target</code>. Subclasses may access this | |
* target via the <code>protected final 'delegate'</code> attribute, i.e. <code>this.delegate</code>. | |
* | |
* @param target the specified target <code>Session</code> to proxy. | |
*/ | |
public ProxiedSession(Session target) { | |
if (target == null) { | |
throw new IllegalArgumentException("Target session to proxy cannot be null."); | |
} | |
delegate = target; | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Serializable getId() { | |
return delegate.getId(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Date getStartTimestamp() { | |
return delegate.getStartTimestamp(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Date getLastAccessTime() { | |
return delegate.getLastAccessTime(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public long getTimeout() throws InvalidSessionException { | |
return delegate.getTimeout(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public void setTimeout(long maxIdleTimeInMillis) throws InvalidSessionException { | |
delegate.setTimeout(maxIdleTimeInMillis); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public InetAddress getHostAddress() { | |
return delegate.getHostAddress(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public void touch() throws InvalidSessionException { | |
delegate.touch(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public void stop() throws InvalidSessionException { | |
delegate.stop(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Collection<Object> getAttributeKeys() throws InvalidSessionException { | |
return delegate.getAttributeKeys(); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Object getAttribute(Object key) throws InvalidSessionException { | |
return delegate.getAttribute(key); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public void setAttribute(Object key, Object value) throws InvalidSessionException { | |
delegate.setAttribute(key, value); | |
} | |
/** | |
* Immediately delegates to the underlying proxied session. | |
*/ | |
public Object removeAttribute(Object key) throws InvalidSessionException { | |
return delegate.removeAttribute(key); | |
} | |
} |