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:	107		Methods:	3
	NCLOC:	64		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

InjectComponentWorker.java

100%

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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.enhance;
16
17		import java.util.Iterator;
18
19		import org.apache.hivemind.ErrorLog;
20		import org.apache.hivemind.Location;
21		import org.apache.hivemind.service.BodyBuilder;
22		import org.apache.hivemind.service.ClassFabUtils;
23		import org.apache.hivemind.util.Defense;
24		import org.apache.tapestry.IComponent;
25		import org.apache.tapestry.TapestryUtils;
26		import org.apache.tapestry.spec.IComponentSpecification;
27		import org.apache.tapestry.spec.IContainedComponent;
28
29		/**
30		* Injects components for which the property attribute of the <component> element was
31		* specified. This makes it easier to reference a particular component from Java code.
32		*
33		* @author Howard M. Lewis Ship
34		* @since 4.0
35		*/
36		public class InjectComponentWorker implements EnhancementWorker
37		{
38		private ErrorLog _errorLog;
39
40	1176	public void performEnhancement(EnhancementOperation op, IComponentSpecification spec)
41		{
42	1176	Iterator i = spec.getComponentIds().iterator();
43
44	1176	while (i.hasNext())
45		{
46	702	String id = (String) i.next();
47
48	702	IContainedComponent cc = spec.getComponent(id);
49
50	702	String propertyName = cc.getPropertyName();
51
52	702	if (propertyName != null)
53		{
54	6	try
55		{
56	6	injectComponent(op, id, propertyName, cc.getLocation());
57		}
58		catch (Exception ex)
59		{
60	3	_errorLog.error(EnhanceMessages.errorAddingProperty(propertyName, op
61		.getBaseClass(), ex), cc.getLocation(), ex);
62		}
63		}
64		}
65		}
66
67	6	public void injectComponent(EnhancementOperation op, String componentId, String propertyName,
68		Location location)
69		{
70	6	Defense.notNull(op, "op");
71	6	Defense.notNull(componentId, "componentId");
72	6	Defense.notNull(propertyName, "propertyName");
73
74	6	Class propertyType = EnhanceUtils.extractPropertyType(op, propertyName, null);
75
76	6	op.claimReadonlyProperty(propertyName);
77
78	3	String fieldName = "_$" + propertyName;
79	3	String classField = op.getClassReference(propertyType);
80	3	String locationField = op.addInjectedField(
81		fieldName + "$location",
82		Location.class,
83		location);
84
85	3	op.addField(fieldName, propertyType);
86
87	3	EnhanceUtils.createSimpleAccessor(op, fieldName, propertyName, propertyType, location);
88
89		// I.e. _$fred = (IComponent) TapestryUtils.getComponent(this, "fred", IComponent.class,
90		// location)
91
92	3	BodyBuilder builder = new BodyBuilder();
93
94	3	builder.add("{0} = ({1}) ", fieldName, ClassFabUtils.getJavaClassName(propertyType));
95	3	builder.add("{0}#getComponent(this, ", TapestryUtils.class.getName());
96	3	builder.addQuoted(componentId);
97	3	builder.add(", {0}, {1});", classField, locationField);
98
99	3	op.extendMethodImplementation(IComponent.class, EnhanceUtils.FINISH_LOAD_SIGNATURE, builder
100		.toString());
101		}
102
103	120	public void setErrorLog(ErrorLog errorLog)
104		{
105	120	_errorLog = errorLog;
106		}
107		}