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/*
// header - edit "Data/yourJavaHeader" to customize
// contents - edit "EventHandlers/Java file/onCreate" to customize
//
*/
import java.util.*;
import java.io.*;
import org.apache.tools.ant.Task;
import org.apache.tools.ant.BuildException;
import java.text.DateFormat;
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.add(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()
}
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