1 files changed, 103 insertions, 0 deletions
diff --git a/aspectj-attic/testing-src/org/aspectj/testing/taskdefs/CompareFiles.java b/aspectj-attic/testing-src/org/aspectj/testing/taskdefs/CompareFiles.java
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index 000000000..fe1b760ac
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+++ b/aspectj-attic/testing-src/org/aspectj/testing/taskdefs/CompareFiles.java
@@ -0,0 +1,103 @@
+/* *******************************************************************
+ * Copyright (c) 1999-2001 Xerox Corporation, 
+ *               2002 Palo Alto Research Center, Incorporated (PARC).
+ * All rights reserved. 
+ * This program and the accompanying materials are made available 
+ * under the terms of the Common Public License v1.0 
+ * which accompanies this distribution and is available at 
+ * http://www.eclipse.org/legal/cpl-v10.html 
+ *  
+ * Contributors: 
+ *     Xerox/PARC     initial implementation 
+ * ******************************************************************/
+
+
+package org.aspectj.testing.taskdefs;
+
+import java.io.File;
+import java.io.IOException;
+import org.apache.tools.ant.*;
+
+/**
+ * Wrap file comparison utility as ant taskdef.
+ * (Whitespace semantics track the String.trim() and StringTokenizer class.)
+ * <table>
+ * <tr><td>lhsFile</td><td>path to left-hand-side file to compare (required)</td></tr>
+ * <tr><td>rhsFile</td><td>path to right-hand-side file to compare (required)</td></tr>
+ * <tr><td>output</td><td>path to output file (System.out otherwise)</td></tr>
+ * <tr><td>ignoreCase</td><td>convert to uppercase before comparison (boolean yes/no)</td></tr>
+ * <tr><td>trimWhitespace</td><td>ignore leading/trailing white space(boolean yes/no)</td></tr>
+ * <tr><td>collapseWhitespace</td><td>convert all white space runs to a single space (boolean yes/no)</td></tr>
+ * <tr><td>filterSpec</td><td>all specifications for a filter, based on the RegexpFilter class
+ *               (currently, syntax: <code>{file | {-i|-t|-b|-s <pattern>|-s <patternFile>}..}</code></td></tr>
+ * </table>
+ * @see org.aspectj.testing.compare.RegexpFilter#init(String[],RegexpFilter)
+ */
+public class CompareFiles extends org.apache.tools.ant.Task {
+    /*
+      Unable to implement multiple inheritance except by delegation:
+      - Task subclass must be outer or ant throws InstantiationException
+      - if/since outer, the subclass getter/setters cannot refer to 
+        protected fields in worker superclass absent inner worker 
+        subclass delegate methods.  yuck.
+      - getting access errors when trying to use the RuntimeConfigurable
+        to initialize the task.  Looking at the Ant code, it does not
+        appear to be used for tasks??  I found none using it and the
+        initialization seems wrong...
+    */
+    final private Worker worker;
+    public CompareFiles() { 
+        worker = new Worker();
+    }
+    protected File lhsFile;
+    protected File rhsFile;
+    public void setLhsFile(File file)             { lhsFile = file; }
+    public void setRhsFile(File file)             { rhsFile = file; }
+    public void setOutput(File file)              { worker.setOutput(file); }
+    public void setFilterSpec(String str)         { worker.setFilterSpec(str); }
+    public void setCollapseWhitespace(boolean ok) { worker.setCollapseWhitespace(ok); }
+    public void setTrimWhitespace(boolean ok)     { worker.setTrimWhitespace(ok); }
+    public void setIgnoreCase(boolean ok)         { worker.setIgnoreCase(ok); }
+    public void execute() throws BuildException   { 
+        if (!lhsFile.canRead()) {
+            log("FAIL taskdefs.CompareFiles: bad lhsFile: " + lhsFile);
+        } else if (!rhsFile.canRead()) {
+            log("FAIL taskdefs.CompareFiles: bad rhsFile: " + rhsFile);
+        } else if (rhsFile.isDirectory() != lhsFile.isDirectory()) {
+            log("FAIL taskdefs.CompareFiles: both must be dirs."
+                + " lhsFile=" + lhsFile
+                + " rhsFile=" + rhsFile);
+        } else {
+            worker.dodiff(lhsFile, rhsFile); 
+        }
+    }
+} // class CompareFiles
+
+/** worker class exposes state and converts Exception to BuildException */
+class Worker extends org.aspectj.testing.compare.CompareFiles {
+    String spec = null;
+    public void setOutput(File file)              { output = file; }
+    public void setCollapseWhitespace(boolean ok) { collapseWhitespace = ok; }
+    public void setTrimWhitespace(boolean ok)     { trimWhitespace = ok; }
+    public void setIgnoreCase(boolean ok)         { ignoreCase = ok; }
+    public void setFilterSpec(String str)         { spec = str; }
+    public void initFilter() {
+        if (null != spec) {
+            initFilter(spec, false);
+        }
+    }
+
+    public void dodiff(File lhsFile, File rhsFile) throws BuildException {
+        initFilter();
+        try {
+            super.diff(lhsFile, rhsFile);
+        } catch (IOException t) {
+            String s = t.getClass().getName() + ": " + t.getMessage();
+            throw new BuildException(s, t);
+        } catch (Throwable e) {
+            String s = e.getClass().getName() + ": " + e.getMessage();
+            throw new BuildException("Error - " + s, e);
+        } 
+    }    
+} // class CompareFiles$Worker
+