Strip basename from reported secondary filename in StrictDuplicateCodeCheck.

Required moving getStrippedFileName() from Checker to Utils.

src/checkstyle/com/puppycrawl/tools/checkstyle/Checker.java

@@ -38,6 +38,7 @@ import com.puppycrawl.tools.checkstyle.api.FilterSet;
 import com.puppycrawl.tools.checkstyle.api.LocalizedMessage;
 import com.puppycrawl.tools.checkstyle.api.MessageDispatcher;
 import com.puppycrawl.tools.checkstyle.api.SeverityLevel;
+import com.puppycrawl.tools.checkstyle.api.Utils;
 
 /**
  * This class provides the functionality to check a set of files.
@@ -170,6 +171,7 @@ public class Checker extends AutomaticBean
         context.add("classLoader", mLoader);
         context.add("moduleFactory", mModuleFactory);
         context.add("severity", mSeverityLevel.getName());
+        context.add("basedir", mBasedir);
         mChildContext = context;
     }
 
@@ -279,16 +281,7 @@ public class Checker extends AutomaticBean
      */
     private String getStrippedFileName(final String aFileName)
     {
-        final String stripped;
-        if ((mBasedir == null) || !aFileName.startsWith(mBasedir)) {
-            stripped = aFileName;
-        }
-        else {
-            // making the assumption that there is text after basedir
-            final int skipSep = mBasedir.endsWith(File.separator) ? 0 : 1;
-            stripped = aFileName.substring(mBasedir.length() + skipSep);
-        }
-        return stripped;
+        return Utils.getStrippedFileName(mBasedir, aFileName);
     }
 
     /** @param aBasedir the base directory to strip off in filenames */

src/checkstyle/com/puppycrawl/tools/checkstyle/api/Utils.java

@@ -22,6 +22,7 @@ package com.puppycrawl.tools.checkstyle.api;
 import java.io.FileReader;
 import java.io.IOException;
 import java.io.LineNumberReader;
+import java.io.File;
 import java.util.ArrayList;
 import java.util.HashMap;
 import java.util.Map;
@@ -209,4 +210,26 @@ public final class Utils
         final int i = aType.lastIndexOf(".");
         return (i == -1) ? aType : aType.substring(i + 1);
     }
+
+    /**
+     * Create a stripped down version of a filename.
+     * @param aBasedir the prefix to strip off the original filename
+     * @param aFileName the original filename
+     * @return the filename where an initial prefix of basedir is stripped
+     */
+    public static String getStrippedFileName(
+            final String aBasedir, final String aFileName)
+    {
+        final String stripped;
+        if ((aBasedir == null) || !aFileName.startsWith(aBasedir)) {
+            stripped = aFileName;
+        }
+        else {
+            // making the assumption that there is text after basedir
+            final int skipSep = aBasedir.endsWith(File.separator) ? 0 : 1;
+            stripped = aFileName.substring(aBasedir.length() + skipSep);
+        }
+        return stripped;
+    }
+
 }

src/checkstyle/com/puppycrawl/tools/checkstyle/checks/duplicates/StrictDuplicateCodeCheck.java

@@ -157,6 +157,9 @@ public final class StrictDuplicateCodeCheck extends AbstractFileSetCheck
     /** number of lines that have to be idential for reporting duplicates */
     private int mMin = DEFAULT_MIN_DUPLICATE_LINES;
 
+    /** the basedir to strip off in filenames */
+    private String mBasedir;
+
     /** the checksums of all files that are currently checked */
     private long[][] mLineChecksums;
 
@@ -197,6 +200,12 @@ public final class StrictDuplicateCodeCheck extends AbstractFileSetCheck
         mMin = aMin;
     }
 
+    /** @param aBasedir the base directory to strip off in filenames */
+    public void setBasedir(String aBasedir)
+    {
+        mBasedir = aBasedir;
+    }
+
     /**
      * @see com.puppycrawl.tools.checkstyle.api.AbstractFileSetCheck#process
      */
@@ -432,8 +441,10 @@ public final class StrictDuplicateCodeCheck extends AbstractFileSetCheck
     {
         final Integer dupLines = new Integer(aEquivalent);
         final Integer startLine = new Integer(aJLine + 1);
+        final String fileName =
+                Utils.getStrippedFileName(mBasedir, aJFile.getPath());
         log(aILine + 1, "duplicates.lines",
-                new Object[]{dupLines, aJFile, startLine});
+                new Object[]{dupLines, fileName, startLine});
         mDuplicates += 1;
     }