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:	119		Methods:	8
	NCLOC:	72		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

DefaultScriptSource.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.tapestry.engine;
16
17		import java.util.HashMap;
18		import java.util.Map;
19
20		import org.apache.hivemind.ApplicationRuntimeException;
21		import org.apache.hivemind.ClassResolver;
22		import org.apache.hivemind.Resource;
23		import org.apache.tapestry.IScript;
24		import org.apache.tapestry.Tapestry;
25		import org.apache.tapestry.coerce.ValueConverter;
26		import org.apache.tapestry.event.ReportStatusEvent;
27		import org.apache.tapestry.event.ReportStatusListener;
28		import org.apache.tapestry.event.ResetEventListener;
29		import org.apache.tapestry.script.ScriptParser;
30		import org.apache.tapestry.services.ExpressionEvaluator;
31		import org.apache.tapestry.util.xml.DocumentParseException;
32
33		/**
34		* Provides basic access to scripts available on the classpath. Scripts are cached in memory once
35		* parsed.
36		*
37		* @author Howard Lewis Ship
38		* @since 1.0.2
39		*/
40
41		public class DefaultScriptSource implements IScriptSource, ResetEventListener, ReportStatusListener
42		{
43		private String _serviceId;
44
45		private ClassResolver _classResolver;
46
47		/** @since 4.0 */
48		private ExpressionEvaluator _expressionEvaluator;
49
50		/** @since 4.0 */
51		private ValueConverter _valueConverter;
52
53		private Map _cache = new HashMap();
54
55	0	public synchronized void resetEventDidOccur()
56		{
57	0	_cache.clear();
58		}
59
60	0	public synchronized void reportStatus(ReportStatusEvent event)
61		{
62	0	event.title(_serviceId);
63	0	event.property("parsed script count", _cache.size());
64	0	event.collection("parsed scripts", _cache.keySet());
65		}
66
67	0	public synchronized IScript getScript(Resource resource)
68		{
69	0	IScript result = (IScript) _cache.get(resource);
70
71	0	if (result != null)
72	0	return result;
73
74	0	result = parse(resource);
75
76	0	_cache.put(resource, result);
77
78	0	return result;
79		}
80
81	0	private IScript parse(Resource resource)
82		{
83	0	ScriptParser parser = new ScriptParser(_classResolver, _expressionEvaluator,
84		_valueConverter);
85
86	0	try
87		{
88	0	return parser.parse(resource);
89		}
90		catch (DocumentParseException ex)
91		{
92	0	throw new ApplicationRuntimeException(Tapestry.format(
93		"DefaultScriptSource.unable-to-parse-script",
94		resource), ex);
95		}
96		}
97
98	0	public void setClassResolver(ClassResolver classResolver)
99		{
100	0	_classResolver = classResolver;
101		}
102
103		/** @since 4.0 */
104	0	public void setExpressionEvaluator(ExpressionEvaluator expressionEvaluator)
105		{
106	0	_expressionEvaluator = expressionEvaluator;
107		}
108
109		/** @since 4.0 */
110	0	public void setValueConverter(ValueConverter valueConverter)
111		{
112	0	_valueConverter = valueConverter;
113		}
114
115	0	public void setServiceId(String serviceId)
116		{
117	0	_serviceId = serviceId;
118		}
119		}