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HttpMessage.getHeaders() never returns null for convenience

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This commit is contained in:
Trustin Lee 2009-06-30 09:39:07 +00:00
parent 6158f7772f
commit 281b4507df
2 changed files with 9 additions and 3 deletions
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8
src/main/java/org/jboss/netty/handler/codec/http/DefaultHttpMessage.java
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@ -23,6 +23,7 @@
package org.jboss.netty.handler.codec.http; package org.jboss.netty.handler.codec.http;
import java.util.ArrayList; import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedList; import java.util.LinkedList;
import java.util.List; import java.util.List;
import java.util.Map; import java.util.Map;
@ -207,7 +208,12 @@ public class DefaultHttpMessage implements HttpMessage {
} }
public List<String> getHeaders(final String name) { public List<String> getHeaders(final String name) {
return headers.get(name); List<String> values = headers.get(name);
if (values == null) {
return Collections.emptyList();
} else {
return values;
}
} }
public boolean containsHeader(final String name) { public boolean containsHeader(final String name) {

4
src/main/java/org/jboss/netty/handler/codec/http/HttpMessage.java
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@ -52,8 +52,8 @@ public interface HttpMessage {
/** /**
* Returns the header values with the specified header name. * Returns the header values with the specified header name.
* *
* @return the {@link List} of header values of {@code null} if there is * @return the {@link List} of header values. An empty list if there is no
* no such header * such header.
*/ */
List<String> getHeaders(String name); List<String> getHeaders(String name);