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HADOOP-7145. Configuration.getLocalPath should trim whitespace from the provided directories. Contributed by Todd Lipcon. 

git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1071035 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Todd Lipcon 2011-02-15 20:19:33 +00:00
parent e59ee1b4a8
commit 02f996d594
3 changed files with 29 additions and 2 deletions
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3
CHANGES.txt
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@ -493,6 +493,9 @@ Release 0.22.0 - Unreleased
HADOOP-7094. hadoop.css got lost during project split (cos)
HADOOP-7145. Configuration.getLocalPath should trim whitespace from
the provided directories. (todd)
Release 0.21.1 - Unreleased
IMPROVEMENTS

4
src/java/org/apache/hadoop/conf/Configuration.java
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@ -1248,7 +1248,7 @@ public class Configuration implements Iterable<Map.Entry<String,String>>,
*/
public Path getLocalPath(String dirsProp, String path)
throws IOException {
String[] dirs = getStrings(dirsProp);
String[] dirs = getTrimmedStrings(dirsProp);
int hashCode = path.hashCode();
FileSystem fs = FileSystem.getLocal(this);
for (int i = 0; i < dirs.length; i++) { // try each local dir
@ -1280,7 +1280,7 @@ public class Configuration implements Iterable<Map.Entry<String,String>>,
*/
public File getFile(String dirsProp, String path)
throws IOException {
String[] dirs = getStrings(dirsProp);
String[] dirs = getTrimmedStrings(dirsProp);
int hashCode = path.hashCode();
for (int i = 0; i < dirs.length; i++) { // try each local dir
int index = (hashCode+i & Integer.MAX_VALUE) % dirs.length;

24
src/test/core/org/apache/hadoop/conf/TestConfiguration.java
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@ -243,6 +243,30 @@ public class TestConfiguration extends TestCase {
}
}
public void testGetLocalPath() throws IOException {
Configuration conf = new Configuration();
conf.set("dirs", "a, b, c ");
for (int i = 0; i < 1000; i++) {
String localPath = conf.getLocalPath("dirs", "dir" + i).toString();
assertTrue("Path doesn't end in specified dir: " + localPath,
localPath.endsWith("dir" + i));
assertFalse("Path has internal whitespace: " + localPath,
localPath.contains(" "));
}
}
public void testGetFile() throws IOException {
Configuration conf = new Configuration();
conf.set("dirs", "a, b, c ");
for (int i = 0; i < 1000; i++) {
String localPath = conf.getFile("dirs", "dir" + i).toString();
assertTrue("Path doesn't end in specified dir: " + localPath,
localPath.endsWith("dir" + i));
assertFalse("Path has internal whitespace: " + localPath,
localPath.contains(" "));
}
}
public void testToString() throws IOException {
out=new BufferedWriter(new FileWriter(CONFIG));
startConfig();