Code Coverage for tapestry release 4.0.3

Clover coverage report - Code Coverage for tapestry release 4.0.3

Coverage timestamp: Fri May 5 2006 21:17:42 CDT

FRAMES NO FRAMES

file stats:	LOC:	86		Methods:	5
	NCLOC:	47		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

ListenerMapImpl.java

100%

100%

1		// Copyright 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.tapestry.listener;
16
17		import java.util.Collection;
18		import java.util.Collections;
19		import java.util.HashMap;
20		import java.util.Map;
21
22		import org.apache.hivemind.ApplicationRuntimeException;
23		import org.apache.hivemind.util.Defense;
24		import org.apache.tapestry.IActionListener;
25
26		/**
27		* @author Howard M. Lewis Ship
28		* @since 4.0
29		*/
30		public class ListenerMapImpl implements ListenerMap
31		{
32		private final Object _target;
33
34		/**
35		* Keyed on String method name, value is
36		* {@link org.apache.tapestry.listener.ListenerMethodInvoker}.
37		*/
38
39		private final Map _invokers;
40
41		private final Map _listeners = new HashMap();
42
43	117	public ListenerMapImpl(Object target, Map invokers)
44		{
45	117	Defense.notNull(target, "target");
46	117	Defense.notNull(invokers, "invokers");
47
48	117	_target = target;
49	117	_invokers = invokers;
50		}
51
52	21	public boolean canProvideListener(String name)
53		{
54	21	return _invokers.containsKey(name);
55		}
56
57	126	public synchronized IActionListener getListener(String name)
58		{
59	126	IActionListener result = (IActionListener) _listeners.get(name);
60
61	126	if (result == null)
62		{
63	117	result = createListener(name);
64	114	_listeners.put(name, result);
65		}
66
67	123	return result;
68		}
69
70	117	private IActionListener createListener(String name)
71		{
72	117	ListenerMethodInvoker invoker = (ListenerMethodInvoker) _invokers.get(name);
73
74	117	if (invoker == null)
75	3	throw new ApplicationRuntimeException(ListenerMessages.objectMissingMethod(
76		_target,
77		name), _target, null, null);
78
79	114	return new SyntheticListener(_target, invoker);
80		}
81
82	6	public Collection getListenerNames()
83		{
84	6	return Collections.unmodifiableCollection(_invokers.keySet());
85		}
86		}