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Use static block in XMPPError

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The Condition to ErrorSpecification map is now build within a static
block.
This commit is contained in:
Florian Schmaus 2014-03-10 21:53:33 +01:00
parent b8a5437b28
commit a6ed3b2514
1 changed files with 12 additions and 19 deletions
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31
core/src/main/java/org/jivesoftware/smack/packet/XMPPError.java
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@ -14,10 +14,13 @@
* See the License for the specific language governing permissions and * See the License for the specific language governing permissions and
* limitations under the License. * limitations under the License.
*/ */
package org.jivesoftware.smack.packet; package org.jivesoftware.smack.packet;
import java.util.*; import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
/** /**
* Represents a XMPP error sub-packet. Typically, a server responds to a request that has * Represents a XMPP error sub-packet. Typically, a server responds to a request that has
@ -351,10 +354,12 @@ public class XMPPError {
* A class to represent the error specification used to infer common usage. * A class to represent the error specification used to infer common usage.
*/ */
private static class ErrorSpecification { private static class ErrorSpecification {
private int code; private static Map<Condition, ErrorSpecification> instances = new HashMap<Condition, ErrorSpecification>();
private Type type;
private Condition condition; private final int code;
private static Map<Condition, ErrorSpecification> instances = errorSpecifications(); private final Type type;
@SuppressWarnings("unused")
private final Condition condition;
private ErrorSpecification(Condition condition, Type type, int code) { private ErrorSpecification(Condition condition, Type type, int code) {
this.code = code; this.code = code;
@ -362,8 +367,7 @@ public class XMPPError {
this.condition = condition; this.condition = condition;
} }
private static Map<Condition, ErrorSpecification> errorSpecifications() { static {
Map<Condition, ErrorSpecification> instances = new HashMap<Condition, ErrorSpecification>(22);
instances.put(Condition.interna_server_error, new ErrorSpecification( instances.put(Condition.interna_server_error, new ErrorSpecification(
Condition.interna_server_error, Type.WAIT, 500)); Condition.interna_server_error, Type.WAIT, 500));
instances.put(Condition.forbidden, new ErrorSpecification(Condition.forbidden, instances.put(Condition.forbidden, new ErrorSpecification(Condition.forbidden,
@ -412,23 +416,12 @@ public class XMPPError {
Condition.unexpected_request, Type.WAIT, 400)); Condition.unexpected_request, Type.WAIT, 400));
instances.put(Condition.request_timeout, new XMPPError.ErrorSpecification( instances.put(Condition.request_timeout, new XMPPError.ErrorSpecification(
Condition.request_timeout, Type.CANCEL, 408)); Condition.request_timeout, Type.CANCEL, 408));
return instances;
} }
protected static ErrorSpecification specFor(Condition condition) { protected static ErrorSpecification specFor(Condition condition) {
return instances.get(condition); return instances.get(condition);
} }
/**
* Returns the error condition.
*
* @return the error condition.
*/
protected Condition getCondition() {
return condition;
}
/** /**
* Returns the error type. * Returns the error type.
* *