1 files changed, 146 insertions, 0 deletions
diff --git a/lib/Compare.java b/lib/Compare.java
new file mode 100644
index 000000000..66e02005d
--- /dev/null
+++ b/lib/Compare.java
@@ -0,0 +1,146 @@
+/*
+// 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()
+}
+