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:	99		Methods:	3
	NCLOC:	53		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

AbstractPropertyWorker.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.util.Iterator;
18
19		import org.apache.hivemind.ErrorLog;
20		import org.apache.hivemind.Location;
21		import org.apache.tapestry.IComponent;
22		import org.apache.tapestry.event.PageDetachListener;
23		import org.apache.tapestry.spec.IComponentSpecification;
24
25		/**
26		* No, this class isn't abstract ... this worker locates abstract properties in the base component
27		* class and provides a concrete implementation for them in the enhanced class.
28		*
29		* @author Howard M. Lewis Ship
30		* @since 4.0
31		*/
32		public class AbstractPropertyWorker implements EnhancementWorker
33		{
34		private ErrorLog _errorLog;
35
36	1683	public void performEnhancement(EnhancementOperation op, IComponentSpecification spec)
37		{
38	1683	Location location = spec.getLocation();
39
40	1683	Iterator i = op.findUnclaimedAbstractProperties().iterator();
41
42	1683	while (i.hasNext())
43		{
44	4338	String name = (String) i.next();
45
46	4338	try
47		{
48	4338	createProperty(op, name, location);
49		}
50		catch (Exception ex)
51		{
52	3	_errorLog.error(
53		EnhanceMessages.errorAddingProperty(name, op.getBaseClass(), ex),
54		location,
55		ex);
56		}
57		}
58		}
59
60	4338	private void createProperty(EnhancementOperation op, String name, Location location)
61		{
62		// This won't be null because its always for existing properties.
63
64	4338	Class propertyType = op.getPropertyType(name);
65
66	4335	String fieldName = "_$" + name;
67	4335	String defaultFieldName = fieldName + "$defaultValue";
68
69	4335	op.addField(fieldName, propertyType);
70	4335	op.addField(defaultFieldName, propertyType);
71
72	4335	EnhanceUtils.createSimpleAccessor(op, fieldName, name, propertyType, location);
73	4335	EnhanceUtils.createSimpleMutator(op, fieldName, name, propertyType, location);
74
75		// Copy the real attribute into the default attribute inside finish load
76		// (allowing a default value to be set inside finishLoad()).
77
78	4335	op.extendMethodImplementation(
79		IComponent.class,
80		EnhanceUtils.FINISH_LOAD_SIGNATURE,
81		defaultFieldName + " = " + fieldName + ";");
82
83		// On page detach, restore the attribute to its default value.
84
85	4335	op.extendMethodImplementation(
86		PageDetachListener.class,
87		EnhanceUtils.PAGE_DETACHED_SIGNATURE,
88		fieldName + " = " + defaultFieldName + ";");
89
90		// This is not all that necessary, but is proper.
91
92	4335	op.claimProperty(name);
93		}
94
95	120	public void setErrorLog(ErrorLog errorLog)
96		{
97	120	_errorLog = errorLog;
98		}
99		}