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:	85		Methods:	3
	NCLOC:	48		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

InjectObjectWorker.java

100%

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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.enhance;
16
17		import java.lang.reflect.Modifier;
18
19		import org.apache.hivemind.ApplicationRuntimeException;
20		import org.apache.hivemind.Location;
21		import org.apache.hivemind.service.MethodSignature;
22		import org.apache.hivemind.util.Defense;
23		import org.apache.tapestry.services.InjectedValueProvider;
24		import org.apache.tapestry.spec.InjectSpecification;
25
26		/**
27		* Implementation for injection type "object" (the default). Adds read-only properties to the
28		* enhanced class that contain objects injected from HiveMind.
29		*
30		* @author Howard M. Lewis Ship
31		* @since 4.0
32		*/
33		public class InjectObjectWorker implements InjectEnhancementWorker
34		{
35		private InjectedValueProvider _provider;
36
37	1173	public void performEnhancement(EnhancementOperation op, InjectSpecification is)
38		{
39	1173	String name = is.getProperty();
40	1173	String objectReference = is.getObject();
41	1173	Location location = is.getLocation();
42
43	1173	injectObject(op, objectReference, name, location);
44		}
45
46	1173	public void injectObject(EnhancementOperation op, String objectReference, String propertyName,
47		Location location)
48		{
49	1173	Defense.notNull(op, "op");
50	1173	Defense.notNull(propertyName, "propertyName");
51	1173	Defense.notNull(objectReference, "objectReference");
52
53	1173	Class propertyType = op.getPropertyType(propertyName);
54	1173	if (propertyType == null)
55	189	propertyType = Object.class;
56
57	1173	op.claimReadonlyProperty(propertyName);
58
59	1173	Object injectedValue = _provider.obtainValue(objectReference, location);
60
61	1173	if (injectedValue == null)
62	3	throw new ApplicationRuntimeException(EnhanceMessages
63		.locatedValueIsNull(objectReference), location, null);
64
65	1170	if (!propertyType.isAssignableFrom(injectedValue.getClass()))
66	3	throw new ApplicationRuntimeException(EnhanceMessages.incompatibleInjectType(
67		objectReference,
68		injectedValue,
69		propertyType), location, null);
70
71	1167	String fieldName = op.addInjectedField("_$" + propertyName, propertyType, injectedValue);
72
73	1167	String methodName = EnhanceUtils.createAccessorMethodName(propertyName);
74
75	1167	op.addMethod(
76		Modifier.PUBLIC,
77		new MethodSignature(propertyType, methodName, null, null),
78		"return " + fieldName + ";", location);
79		}
80
81	123	public void setProvider(InjectedValueProvider provider)
82		{
83	123	_provider = provider;
84		}
85		}