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:	135		Methods:	3
	NCLOC:	80		Classes:	1

Source file

Conditionals

Statements

Methods

TOTAL

LocationRenderStrategy.java

92.9%

97.6%

100%

96.6%

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.describe;
16
17		import java.io.BufferedReader;
18		import java.io.IOException;
19		import java.io.InputStreamReader;
20		import java.io.LineNumberReader;
21		import java.io.Reader;
22		import java.net.URL;
23
24		import org.apache.hivemind.Location;
25		import org.apache.tapestry.IMarkupWriter;
26		import org.apache.tapestry.IRequestCycle;
27
28		/**
29		* Adapter for displaying {@link org.apache.hivemind.Location} objects as HTML. This may
30		* include showing the content of the {@link org.apache.hivemind.Resource}, with the line indicated
31		* in the Location highlighted.
32		*
33		* @author Howard M. Lewis Ship
34		* @since 4.0
35		*/
36		public class LocationRenderStrategy implements RenderStrategy
37		{
38		/**
39		* Lines before and after the actual location to display.
40		*/
41		private static final int RANGE = 5;
42
43	60	public void renderObject(Object object, IMarkupWriter writer, IRequestCycle cycle)
44		{
45	60	Location l = (Location) object;
46
47		// Always print out the location as a string.
48
49	60	writer.print(l.toString());
50
51	60	int lineNumber = l.getLineNumber();
52
53	60	if (lineNumber < 1)
54	6	return;
55
56	54	URL url = l.getResource().getResourceURL();
57
58	54	if (url == null)
59	3	return;
60
61	51	writeResourceContent(writer, url, lineNumber);
62		}
63
64	51	private void writeResourceContent(IMarkupWriter writer, URL url, int lineNumber)
65		{
66	51	LineNumberReader reader = null;
67
68	51	try
69		{
70	51	reader = new LineNumberReader(new BufferedReader(
71		new InputStreamReader(url.openStream())));
72
73	51	writer.beginEmpty("br");
74	51	writer.begin("table");
75	51	writer.attribute("class", "location-content");
76
77	51	while (true)
78		{
79	1110	String line = reader.readLine();
80
81	1110	if (line == null)
82	36	break;
83
84	1074	int currentLine = reader.getLineNumber();
85
86	1074	if (currentLine > lineNumber + RANGE)
87	15	break;
88
89	1059	if (currentLine < lineNumber - RANGE)
90	591	continue;
91
92	468	writer.begin("tr");
93
94	468	if (currentLine == lineNumber)
95	51	writer.attribute("class", "target-line");
96
97	468	writer.begin("td");
98	468	writer.attribute("class", "line-number");
99	468	writer.print(currentLine);
100	468	writer.end();
101
102	468	writer.begin("td");
103	468	writer.print(line);
104	468	writer.end("tr");
105	468	writer.println();
106		}
107
108	51	reader.close();
109	51	reader = null;
110		}
111		catch (Exception ex)
112		{
113		// Ignore it.
114		}
115		finally
116		{
117	51	writer.end("table");
118	51	close(reader);
119		}
120		}
121
122	51	private void close(Reader reader)
123		{
124	51	try
125		{
126	51	if (reader != null)
127	0	reader.close();
128		}
129		catch (IOException ex)
130		{
131		// Ignore
132		}
133		}
134
135		}