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HADOOP-8286. Simplify getting a socket address from conf (Daryn Sharp via bobby)

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git-svn-id: https://svn.apache.org/repos/asf/hadoop/common/trunk@1327108 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Robert Joseph Evans 2012-04-17 14:21:11 +00:00
parent 207a2ada0c
commit a98ba41092
3 changed files with 53 additions and 0 deletions
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3
hadoop-common-project/hadoop-common/CHANGES.txt
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@ -446,6 +446,9 @@ Release 0.23.3 - UNRELEASED
HADOOP-8283. Allow tests to control token service value (Daryn Sharp via
bobby)
HADOOP-8286. Simplify getting a socket address from conf (Daryn Sharp via
bobby)
Release 0.23.2 - UNRELEASED
INCOMPATIBLE CHANGES

16
hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/conf/Configuration.java
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@ -30,6 +30,7 @@
import java.io.OutputStreamWriter;
import java.io.Reader;
import java.io.Writer;
import java.net.InetSocketAddress;
import java.net.URL;
import java.util.ArrayList;
import java.util.Collection;
@ -68,6 +69,7 @@
import org.apache.hadoop.fs.CommonConfigurationKeys;
import org.apache.hadoop.io.Writable;
import org.apache.hadoop.io.WritableUtils;
import org.apache.hadoop.net.NetUtils;
import org.apache.hadoop.util.ReflectionUtils;
import org.apache.hadoop.util.StringUtils;
import org.codehaus.jackson.JsonFactory;
@ -1162,6 +1164,20 @@ public void setStrings(String name, String... values) {
set(name, StringUtils.arrayToString(values));
}
/**
* Get the socket address for <code>name</code> property as a
* <code>InetSocketAddress</code>.
* @param name property name.
* @param defaultAddress the default value
* @param defaultPort the default port
* @return InetSocketAddress
*/
public InetSocketAddress getSocketAddr(
String name, String defaultAddress, int defaultPort) {
final String address = get(name, defaultAddress);
return NetUtils.createSocketAddr(address, defaultPort, name);
}
/**
* Load a class by name.
*

34
hadoop-common-project/hadoop-common/src/test/java/org/apache/hadoop/conf/TestConfiguration.java
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@ -23,6 +23,7 @@
import java.io.FileWriter;
import java.io.IOException;
import java.io.StringWriter;
import java.net.InetSocketAddress;
import java.util.ArrayList;
import java.util.Collection;
import java.util.HashMap;
@ -35,6 +36,7 @@
import org.apache.commons.lang.StringUtils;
import org.apache.hadoop.fs.Path;
import org.apache.hadoop.net.NetUtils;
import org.codehaus.jackson.map.ObjectMapper;
public class TestConfiguration extends TestCase {
@ -604,6 +606,38 @@ public void testPattern() throws IOException {
conf.getPattern("test.pattern3", defaultPattern).pattern());
}
public void testSocketAddress() throws IOException {
Configuration conf = new Configuration();
final String defaultAddr = "host:1";
final int defaultPort = 2;
InetSocketAddress addr = null;
addr = conf.getSocketAddr("myAddress", defaultAddr, defaultPort);
assertEquals(defaultAddr, NetUtils.getHostPortString(addr));
conf.set("myAddress", "host2");
addr = conf.getSocketAddr("myAddress", defaultAddr, defaultPort);
assertEquals("host2:"+defaultPort, NetUtils.getHostPortString(addr));
conf.set("myAddress", "host2:3");
addr = conf.getSocketAddr("myAddress", defaultAddr, defaultPort);
assertEquals("host2:3", NetUtils.getHostPortString(addr));
boolean threwException = false;
conf.set("myAddress", "bad:-port");
try {
addr = conf.getSocketAddr("myAddress", defaultAddr, defaultPort);
} catch (IllegalArgumentException iae) {
threwException = true;
assertEquals("Does not contain a valid host:port authority: " +
"bad:-port (configuration property 'myAddress')",
iae.getMessage());
} finally {
assertTrue(threwException);
}
}
public void testReload() throws IOException {
out=new BufferedWriter(new FileWriter(CONFIG));
startConfig();