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:	111		Methods:	4
	NCLOC:	47		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

BaseComponent.java

80%

90%

100%

88.2%

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;
16
17		import org.apache.commons.logging.Log;
18		import org.apache.commons.logging.LogFactory;
19		import org.apache.tapestry.engine.IPageLoader;
20		import org.apache.tapestry.spec.IComponentSpecification;
21
22		/**
23		* Base implementation for most components that use an HTML template.
24		*
25		* @author Howard Lewis Ship
26		*/
27
28		public class BaseComponent extends AbstractComponent implements ITemplateComponent
29		{
30		private static final Log LOG = LogFactory.getLog(BaseComponent.class);
31
32		private static final int OUTER_INIT_SIZE = 5;
33
34		private IRender[] _outer;
35
36		private int _outerCount = 0;
37
38		/**
39		* Adds an element as an outer element for the receiver. Outer elements are elements that should
40		* be directly rendered by the receiver's <code>render()</code> method. That is, they are
41		* top-level elements on the HTML template.
42		*/
43
44	2328	public void addOuter(IRender element)
45		{
46	2328	if (_outer == null)
47		{
48	591	_outer = new IRender[OUTER_INIT_SIZE];
49	591	_outer[0] = element;
50
51	591	_outerCount = 1;
52	591	return;
53		}
54
55		// No more room? Make the array bigger.
56
57	1737	if (_outerCount == _outer.length)
58		{
59	147	IRender[] newOuter;
60
61	147	newOuter = new IRender[_outer.length * 2];
62
63	147	System.arraycopy(_outer, 0, newOuter, 0, _outerCount);
64
65	147	_outer = newOuter;
66		}
67
68	1737	_outer[_outerCount++] = element;
69		}
70
71		/**
72		* Reads the receiver's template and figures out which elements wrap which other elements.
73		*/
74
75	588	private void readTemplate(IRequestCycle cycle, IPageLoader loader)
76		{
77	588	loader.loadTemplateForComponent(cycle, this);
78		}
79
80		/**
81		* Renders the top level components contained by the receiver.
82		*
83		* @since 2.0.3
84		*/
85
86	654	protected void renderComponent(IMarkupWriter writer, IRequestCycle cycle)
87		{
88	654	if (LOG.isDebugEnabled())
89	0	LOG.debug("Begin render " + getExtendedId());
90
91	654	for (int i = 0; i < _outerCount; i++)
92	2502	_outer[i].render(writer, cycle);
93
94	615	if (LOG.isDebugEnabled())
95	0	LOG.debug("End render " + getExtendedId());
96		}
97
98		/**
99		* Loads the template for the component, then invokes
100		* {@link AbstractComponent#finishLoad(IRequestCycle, IPageLoader, IComponentSpecification)}.
101		* Subclasses must invoke this method first, before adding any additional behavior, though its
102		* usually simpler to override {@link #finishLoad()}instead.
103		*/
104
105	588	public void finishLoad(IRequestCycle cycle, IPageLoader loader, IComponentSpecification specification)
106		{
107	588	readTemplate(cycle, loader);
108
109	567	super.finishLoad(cycle, loader, specification);
110		}
111		}