1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
|
/*
* The Apache Software License, Version 1.1
*
* Copyright (c) 1999 The Apache Software Foundation. All rights
* reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. The end-user documentation included with the redistribution, if
* any, must include the following acknowlegement:
* "This product includes software developed by the
* Apache Software Foundation (http://www.apache.org/)."
* Alternately, this acknowlegement may appear in the software itself,
* if and wherever such third-party acknowlegements normally appear.
*
* 4. The names "The Jakarta Project", "Tomcat", and "Apache Software
* Foundation" must not be used to endorse or promote products derived
* from this software without prior written permission. For written
* permission, please contact apache@apache.org.
*
* 5. Products derived from this software may not be called "Apache"
* nor may "Apache" appear in their names without prior written
* permission of the Apache Group.
*
* THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
* WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
* LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
* USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
* OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
* OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
* ====================================================================
*
* This software consists of voluntary contributions made by many
* individuals on behalf of the Apache Software Foundation. For more
* information on the Apache Software Foundation, please see
* <http://www.apache.org/>.
*/
import java.util.*;
import java.io.*;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.BuildException;
import java.text.DateFormat;
/** This class is an extension of Ant, a script utility from
* jakarta.apache.org.
* It provides methods to compare two files
*/
public class Compare {
private String referenceDirectory, testDirectory;
private String [] filenameList;
private String filenames;
private static boolean IDENTICAL_FILES = true;
private static boolean NOTIDENTICAL_FILES = false;
private BufferedInputStream oldfileInput;
private BufferedInputStream newfileInput;
//sets directory for test files
public void setTestDirectory(String testDirectory) {
if (!(testDirectory.endsWith("/") | testDirectory.endsWith("\\"))) {
testDirectory += File.separator;
}
this.testDirectory = testDirectory;
}
//sets directory for reference files
public void setReferenceDirectory(String referenceDirectory) {
if (!(referenceDirectory.endsWith("/") | referenceDirectory.endsWith("\\"))) {
referenceDirectory += File.separator;
}
this.referenceDirectory = referenceDirectory;
}
public void setFilenames (String filenames) {
StringTokenizer tokens = new StringTokenizer(filenames,",");
Vector filenameListTmp = new Vector(20);
while (tokens.hasMoreTokens()) {
filenameListTmp.addElement(tokens.nextToken());
}
filenameList = new String [filenameListTmp.size()] ;
filenameListTmp.copyInto((String[]) filenameList);
}
private boolean compareBytes (File oldFile, File newFile) {
try {
oldfileInput = new BufferedInputStream(new FileInputStream(oldFile));
newfileInput = new BufferedInputStream(new FileInputStream(newFile));
int charactO = 0;
int charactN = 0;
boolean identical = true;
while (identical & (charactO != -1)) {
if (charactO == charactN) {
charactO = oldfileInput.read();
charactN = newfileInput.read();
} else {
return NOTIDENTICAL_FILES;
}
}
return IDENTICAL_FILES;
} catch (IOException io) {
System.err.println("Task Compare - Error: \n" + io.toString());
}
return NOTIDENTICAL_FILES;
}
private boolean compareFileSize(File oldFile, File newFile) {
if (oldFile.length() != newFile.length()) {
return NOTIDENTICAL_FILES;
} else {
return IDENTICAL_FILES;
}
} //end: compareBytes
private boolean filesExist (File oldFile, File newFile) {
if (!oldFile.exists()) {
System.err.println("Task Compare - ERROR: File "
+ referenceDirectory + oldFile.getName()
+ " doesn't exist!");
return false;
} else if (!newFile.exists()) {
System.err.println("Task Compare - ERROR: File "
+ testDirectory + newFile.getName() + " doesn't exist!");
return false;
} else {
return true;
}
}
public void writeHeader (PrintWriter results) {
String dateTime = DateFormat.getDateTimeInstance(DateFormat.MEDIUM,DateFormat.MEDIUM).format(new Date());
results.println("<html><head><title>Test Results</title></head><body>\n");
results.println("<h2>Compare Results<br>");
results.println("<font size='1'>created " + dateTime + "</font></h2>");
results.println("<table cellpadding='10' border='2'><thead><th align='center'>reference file</th><th align='center'>test file</th>"
+ "<th align='center'>identical?</th></thead>");
}
//main method of task compare
public void execute () throws BuildException {
boolean identical = false;
File oldFile;
File newFile;
try {
PrintWriter results = new PrintWriter (new FileWriter("results.html"),true);
this.writeHeader(results);
for (int i = 0; i < filenameList.length; i++) {
oldFile = new File (referenceDirectory + filenameList[i]);
newFile = new File (testDirectory + filenameList[i]);
if (filesExist(oldFile, newFile)) {
identical = compareFileSize(oldFile, newFile);
if (identical) {
identical = compareBytes(oldFile,newFile);
}
if (!identical) {
System.out.println("Task Compare: \nFiles " + referenceDirectory
+ oldFile.getName()+ " - " + testDirectory
+ newFile.getName() + " are *not* identical.");
results.println("<tr><td><a href='" + referenceDirectory + oldFile.getName() + "'>"
+ oldFile.getName() + "</a> </td><td> <a href='"
+ testDirectory + newFile.getName() +"'>"
+ newFile.getName() +"</a>"
+ " </td><td><font color='red'>No</font></td></tr>");
} else {
results.println("<tr><td><a href='" + referenceDirectory + oldFile.getName() + "'>"
+ oldFile.getName() + "</a> </td><td> <a href='"
+ testDirectory + newFile.getName() + "'>"
+ newFile.getName() + "</a>"
+ " </td><td>Yes</td></tr>");
}
}
}
results.println("</table></html>");
} catch (IOException ioe) {
System.err.println("ERROR: " + ioe);
}
} //end: execute()
}
|
