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Posted to common-commits@hadoop.apache.org by to...@apache.org on 2009/05/27 12:31:48 UTC
svn commit: r779093 - in /hadoop/core/trunk: CHANGES.txt
src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java
src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java
Author: tomwhite
Date: Wed May 27 10:31:47 2009
New Revision: 779093
URL: http://svn.apache.org/viewvc?rev=779093&view=rev
Log:
HADOOP-5700. INode.getPathComponents throws NPE when given a non-absolute path. Contributed by Todd Lipcon.
Added:
hadoop/core/trunk/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java
Modified:
hadoop/core/trunk/CHANGES.txt
hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java
Modified: hadoop/core/trunk/CHANGES.txt
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/CHANGES.txt?rev=779093&r1=779092&r2=779093&view=diff
==============================================================================
--- hadoop/core/trunk/CHANGES.txt (original)
+++ hadoop/core/trunk/CHANGES.txt Wed May 27 10:31:47 2009
@@ -692,6 +692,9 @@
HADOOP-5635. Change distributed cache to work with other distributed file
systems. (Andrew Hitchcock via tomwhite)
+ HADOOP-5700. INode.getPathComponents throws NPE when given a non-absolute
+ path. (Todd Lipcon via tomwhite)
+
Release 0.20.1 - Unreleased
INCOMPATIBLE CHANGES
Modified: hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java?rev=779093&r1=779092&r2=779093&view=diff
==============================================================================
--- hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java (original)
+++ hadoop/core/trunk/src/hdfs/org/apache/hadoop/hdfs/server/namenode/INode.java Wed May 27 10:31:47 2009
@@ -309,11 +309,15 @@
/**
* Breaks file path into components.
- * @param path
+ * @param path an absolute path on the file system
* @return array of byte arrays each of which represents
* a single path component.
*/
static byte[][] getPathComponents(String path) {
+ if (!path.startsWith("/")) {
+ throw new IllegalArgumentException(
+ "Must pass an absolute path to getPathComponents");
+ }
return getPathComponents(getPathNames(path));
}
Added: hadoop/core/trunk/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java
URL: http://svn.apache.org/viewvc/hadoop/core/trunk/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java?rev=779093&view=auto
==============================================================================
--- hadoop/core/trunk/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java (added)
+++ hadoop/core/trunk/src/test/hdfs/org/apache/hadoop/hdfs/server/namenode/TestINode.java Wed May 27 10:31:47 2009
@@ -0,0 +1,45 @@
+/**
+ * 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.hadoop.hdfs.server.namenode;
+
+import junit.framework.TestCase;
+import static org.junit.Assert.*;
+
+public class TestINode extends TestCase {
+ public void testPathNames() {
+ assertArrayEquals(new String[]{"", "foo", "bar"},
+ INode.getPathNames("/foo/bar"));
+ assertArrayEquals(new String[]{"", "foo"},
+ INode.getPathNames("/foo"));
+
+ byte[][] comps = INode.getPathComponents("/foo/bar");
+ assertEquals(3, comps.length);
+ assertArrayEquals("".getBytes(), comps[0]);
+ assertArrayEquals("foo".getBytes(), comps[1]);
+ assertArrayEquals("bar".getBytes(), comps[2]);
+
+ boolean thrown = false;
+ try {
+ INode.getPathComponents("foo");
+ } catch (IllegalArgumentException iae) {
+ thrown = true;
+ }
+ assertTrue(thrown);
+ }
+}
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