Author: niallp
Date: Wed Aug  4 23:56:03 2010
New Revision: 982433

URL: http://svn.apache.org/viewvc?rev=982433&view=rev
Log:
IO-219 - Throw FileExistsException when moving a file or directory if the 
destination already exists

Added:
    
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java 
  (with props)
Modified:
    commons/proper/io/trunk/src/java/org/apache/commons/io/FileUtils.java
    
commons/proper/io/trunk/src/test/org/apache/commons/io/FileUtilsTestCase.java

Added: 
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java
URL: 
http://svn.apache.org/viewvc/commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java?rev=982433&view=auto
==============================================================================
--- 
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java 
(added)
+++ 
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java 
Wed Aug  4 23:56:03 2010
@@ -0,0 +1,60 @@
+/*
+ * Licensed to the Apache Software Foundation (ASF) under one or more
+ * contributor license agreements.  See the NOTICE file distributed with
+ * this work for additional information regarding copyright ownership.
+ * The ASF licenses this file to You under the Apache License, Version 2.0
+ * (the "License"); you may not use this file except in compliance with
+ * the License.  You may obtain a copy of the License at
+ * 
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ * 
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+package org.apache.commons.io;
+
+import java.io.File;
+import java.io.IOException;
+
+/**
+ * Indicates that a file already exists.
+ * 
+ * @version $Id$
+ * @since Commons IO 2.0
+ */
+public class FileExistsException extends IOException {
+
+    /**
+     * Defines the serial version UID.
+     */
+    private static final long serialVersionUID = 1L;
+
+    /**
+     * Default Constructor.
+     */
+    public FileExistsException() {
+        super();
+    }
+
+    /**
+     * Construct an instance with the specified message.
+     *
+     * @param message The error message
+     */
+    public FileExistsException(String message) {
+        super(message);
+    }
+
+    /**
+     * Construct an instance with the specified file.
+     *
+     * @param file The file that exists
+     */
+    public FileExistsException(File file) {
+        super("File " + file + " exists");
+    }
+
+}

Propchange: 
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java
------------------------------------------------------------------------------
    svn:eol-style = native

Propchange: 
commons/proper/io/trunk/src/java/org/apache/commons/io/FileExistsException.java
------------------------------------------------------------------------------
    svn:keywords = Date Author Id Revision HeadURL

Modified: commons/proper/io/trunk/src/java/org/apache/commons/io/FileUtils.java
URL: 
http://svn.apache.org/viewvc/commons/proper/io/trunk/src/java/org/apache/commons/io/FileUtils.java?rev=982433&r1=982432&r2=982433&view=diff
==============================================================================
--- commons/proper/io/trunk/src/java/org/apache/commons/io/FileUtils.java 
(original)
+++ commons/proper/io/trunk/src/java/org/apache/commons/io/FileUtils.java Wed 
Aug  4 23:56:03 2010
@@ -1797,7 +1797,7 @@ public class FileUtils {
             throw new IOException("Source '" + srcDir + "' is not a 
directory");
         }
         if (destDir.exists()) {
-            throw new IOException("Destination '" + destDir + "' already 
exists");
+            throw new FileExistsException("Destination '" + destDir + "' 
already exists");
         }
         boolean rename = srcDir.renameTo(destDir);
         if (!rename) {
@@ -1869,7 +1869,7 @@ public class FileUtils {
             throw new IOException("Source '" + srcFile + "' is a directory");
         }
         if (destFile.exists()) {
-            throw new IOException("Destination '" + destFile + "' already 
exists");
+            throw new FileExistsException("Destination '" + destFile + "' 
already exists");
         }
         if (destFile.isDirectory()) {
             throw new IOException("Destination '" + destFile + "' is a 
directory");

Modified: 
commons/proper/io/trunk/src/test/org/apache/commons/io/FileUtilsTestCase.java
URL: 
http://svn.apache.org/viewvc/commons/proper/io/trunk/src/test/org/apache/commons/io/FileUtilsTestCase.java?rev=982433&r1=982432&r2=982433&view=diff
==============================================================================
--- 
commons/proper/io/trunk/src/test/org/apache/commons/io/FileUtilsTestCase.java 
(original)
+++ 
commons/proper/io/trunk/src/test/org/apache/commons/io/FileUtilsTestCase.java 
Wed Aug  4 23:56:03 2010
@@ -1421,8 +1421,8 @@ public class FileUtilsTestCase extends F
         createFile(testDestFile, 0);
         try {
             FileUtils.moveFile(testSourceFile, testDestFile);
-            fail("Expected IOException when dest already exists");
-        } catch (IOException e) {
+            fail("Expected FileExistsException when dest already exists");
+        } catch (FileExistsException e) {
             // expected
         }
 
@@ -1554,11 +1554,12 @@ public class FileUtilsTestCase extends F
         }
         File testSrcFile = new File(getTestDirectory(), 
"testMoveDirectorySource");
         File testDestFile = new File(getTestDirectory(), 
"testMoveDirectoryDest");
+        testSrcFile.mkdir();
         testDestFile.mkdir();
         try {
             FileUtils.moveDirectory(testSrcFile, testDestFile);
-            fail("Expected IOException when dest already exists");
-        } catch (IOException e) {
+            fail("Expected FileExistsException when dest already exists");
+        } catch (FileExistsException e) {
             // expected
         }
 


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