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Add DomainNameMapping.entries to allow retrieving the domain match lists

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Motivation:

See #4200.

Modifications:

Add DomainNameMapping.entries to allow retrieving the domain match lists.

Result:

People can use DomainNameMapping.entries to retrive the match list in DomainNameMapping.
This commit is contained in:
Xiaoyan Lin 2016-05-16 22:46:29 -07:00 committed by Norman Maurer
parent ee9d8c9162
commit f91d89e426
3 changed files with 57 additions and 0 deletions
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12
common/src/main/java/io/netty/util/DomainMappingBuilder.java
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@ -16,6 +16,8 @@
package io.netty.util;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.Map;
import java.util.Set;
@ -137,6 +139,16 @@ public final class DomainMappingBuilder<V> {
return defaultValue;
}
@Override
public Set<Map.Entry<String, V>> entries() {
int length = domainNamePatterns.length;
Map<String, V> map = new HashMap<String, V>(length);
for (int index = 0; index < length; ++index) {
map.put(domainNamePatterns[index], values[index]);
}
return Collections.unmodifiableSet(map.entrySet());
}
@Override
public String toString() {
String defaultValueStr = defaultValue.toString();

9
common/src/main/java/io/netty/util/DomainNameMapping.java
View File

@ -19,9 +19,11 @@ package io.netty.util;
import io.netty.util.internal.StringUtil;
import java.net.IDN;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.Locale;
import java.util.Map;
import java.util.Set;
import static io.netty.util.internal.ObjectUtil.checkNotNull;
import static io.netty.util.internal.StringUtil.commonSuffixOfLength;
@ -132,6 +134,13 @@ public class DomainNameMapping<V> implements Mapping<String, V> {
return defaultValue;
}
/**
* Returns a read-only {@link Set} of the domain mapping patterns and their associated value objects.
*/
public Set<Map.Entry<String, V>> entries() {
return Collections.unmodifiableSet(map.entrySet());
}
@Override
public String toString() {
return StringUtil.simpleClassName(this) + "(default: " + defaultValue + ", map: " + map + ')';

36
common/src/test/java/io/netty/util/DomainNameMappingTest.java
View File

@ -16,6 +16,9 @@
package io.netty.util;
import java.util.HashMap;
import java.util.Map;
import org.junit.Test;
import static org.junit.Assert.assertEquals;
@ -181,4 +184,37 @@ public class DomainNameMappingTest {
"ImmutableDomainNameMapping(default: NotFound, map: {*.netty.io=Netty, downloads.netty.io=Netty-Download})",
mapping.toString());
}
@Test
public void testEntries() {
DomainNameMapping<String> mapping = new DomainNameMapping<String>("NotFound")
.add("netty.io", "Netty")
.add("downloads.netty.io", "Netty-Downloads");
Map<String, String> entries = new HashMap<String, String>();
for (Map.Entry<String, String> entry: mapping.entries()) {
entries.put(entry.getKey(), entry.getValue());
}
assertEquals(2, entries.size());
assertEquals("Netty", entries.get("netty.io"));
assertEquals("Netty-Downloads", entries.get("downloads.netty.io"));
}
@Test
public void testEntriesWithImmutableDomainNameMapping() {
DomainNameMapping<String> mapping = new DomainMappingBuilder<String>("NotFound")
.add("netty.io", "Netty")
.add("downloads.netty.io", "Netty-Downloads")
.build();
Map<String, String> entries = new HashMap<String, String>();
for (Map.Entry<String, String> entry: mapping.entries()) {
entries.put(entry.getKey(), entry.getValue());
}
assertEquals(2, entries.size());
assertEquals("Netty", entries.get("netty.io"));
assertEquals("Netty-Downloads", entries.get("downloads.netty.io"));
}
}