1 files changed, 35 insertions, 0 deletions
diff --git a/tests/ajdoc/common/OutputComparator.java b/tests/ajdoc/common/OutputComparator.java
new file mode 100644
index 000000000..130f4d857
--- /dev/null
+++ b/tests/ajdoc/common/OutputComparator.java
@@ -0,0 +1,35 @@
+package common;
+
+import java.io.*;
+import java.util.Vector;
+
+public class OutputComparator
+{
+    /**
+      * Ignores lines that contain "Generated by javadoc on".
+      *
+      * @return the lines that don't match in the two files as a Vector of Strings,
+      *         or null if they are the same.
+      */
+    public Vector compareFilesByLine(String file1, String file2) throws IOException {
+        Vector diffLines = new Vector();
+        BufferedReader reader1 = new BufferedReader(new FileReader(file1));
+        BufferedReader reader2 = new BufferedReader(new FileReader(file2));
+        String line1 = reader1.readLine();
+        String line2 = reader2.readLine();
+        while (line1 != null && line2 != null) {
+            if (!line1.trim().equals(line2.trim()) &&
+                 line1.indexOf("Generated by javadoc on") == -1 ) {
+                diffLines.addElement(line1 + " != " + line2);
+            }
+            line1 = reader1.readLine();
+            line2 = reader2.readLine();
+        }
+        if (diffLines.size() == 0) {
+            return null;
+        }
+        else {
+            return diffLines;
+        }
+    }
+}