2009/04/15 - Apache HiveMind has been retired.

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Clover coverage report - Code Coverage for hivemind-examples release 1.2.1

Coverage timestamp: Fri Feb 10 2006 16:34:25 PST

FRAMES NO FRAMES

file stats:	LOC:	75		Methods:	2
	NCLOC:	41		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

ProxyLoggingInvocationHandler.java

1		// Copyright 2004, 2005 The Apache Software Foundation
2		//
3		// Licensed under the Apache License, Version 2.0 (the "License");
4		// you may not use this file except in compliance with the License.
5		// You may obtain a copy of the License at
6		//
7		// http://www.apache.org/licenses/LICENSE-2.0
8		//
9		// Unless required by applicable law or agreed to in writing, software
10		// distributed under the License is distributed on an "AS IS" BASIS,
11		// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12		// See the License for the specific language governing permissions and
13		// limitations under the License.
14
15		package org.apache.examples.impl;
16
17		import java.lang.reflect.InvocationHandler;
18		import java.lang.reflect.InvocationTargetException;
19		import java.lang.reflect.Method;
20
21		import org.apache.commons.logging.Log;
22		import org.apache.hivemind.service.impl.LoggingUtils;
23
24		/**
25		* An invocation handler used by {@link org.apache.examples.impl.ProxyLoggingInterceptorFactory}.
26		* Logs all method invocations, return values and exceptions. Note that, unlike the real
27		* LoggingInterceptor, <code>toString()</code> will just pass through to the delegate service object
28		* (typically, the core service implementation).
29		*
30		* @author Howard Lewis Ship
31		*/
32		public class ProxyLoggingInvocationHandler implements InvocationHandler
33		{
34		private Log _log;
35		private Object _delegate;
36
37	0	public ProxyLoggingInvocationHandler(Log log, Object delegate)
38		{
39	0	_log = log;
40	0	_delegate = delegate;
41		}
42
43	0	public Object invoke(Object proxy, Method method, Object[] args) throws Throwable
44		{
45	0	boolean debug = _log.isDebugEnabled();
46
47	0	if (debug)
48	0	LoggingUtils.entry(_log, method.getName(), args);
49
50	0	try
51		{
52	0	Object result = method.invoke(_delegate, args);
53
54	0	if (debug)
55		{
56	0	if (method.getReturnType() == void.class)
57	0	LoggingUtils.voidExit(_log, method.getName());
58		else
59	0	LoggingUtils.exit(_log, method.getName(), result);
60		}
61
62	0	return result;
63		}
64		catch (InvocationTargetException ex)
65		{
66	0	Throwable targetException = ex.getTargetException();
67
68	0	if (debug)
69	0	LoggingUtils.exception(_log, method.getName(), targetException);
70
71	0	throw targetException;
72		}
73		}
74
75		}