/*
* Copyright (c) 2008-2013, Hazelcast, Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hazelcast.ascii.memcache;
import com.hazelcast.ascii.TextCommandService;
import com.hazelcast.core.HazelcastException;
import com.hazelcast.logging.ILogger;
import java.io.UnsupportedEncodingException;
import java.net.URLDecoder;
import java.util.logging.Level;
import static com.hazelcast.util.StringUtil.stringToBytes;
public class GetCommandProcessor extends MemcacheCommandProcessor<GetCommand> {
final boolean single;
private final ILogger logger;
public GetCommandProcessor(TextCommandService textCommandService, boolean single) {
super(textCommandService);
this.single = single;
logger = textCommandService.getNode().getLogger(this.getClass().getName());
}
public void handle(GetCommand getCommand) {
String key = null;
try {
key = URLDecoder.decode(getCommand.getKey(), "UTF-8");
} catch (UnsupportedEncodingException e) {
throw new HazelcastException(e);
}
String mapName = DefaultMapName;
int index = key.indexOf(':');
if (index != -1) {
mapName = MapNamePreceder + key.substring(0, index);
key = key.substring(index + 1);
}
Object value = textCommandService.get(mapName, key);
MemcacheEntry entry = null;
if (value != null) {
if (value instanceof MemcacheEntry) {
entry = (MemcacheEntry) value;
} else if (value instanceof byte[]) {
entry = new MemcacheEntry(getCommand.getKey(), ((byte[]) value), 0);
} else if (value instanceof String) {
entry = new MemcacheEntry(getCommand.getKey(), stringToBytes((String) value), 0);
} else {
try {
entry = new MemcacheEntry(getCommand.getKey(), textCommandService.toByteArray(value), 0);
} catch (Exception e) {
logger.warning(e);
}
}
}
if (entry != null) {
textCommandService.incrementGetHitCount();
} else {
textCommandService.incrementGetMissCount();
}
getCommand.setValue(entry, single);
textCommandService.sendResponse(getCommand);
}
public void handleRejection(GetCommand getCommand) {
getCommand.setValue(null, single);
textCommandService.sendResponse(getCommand);
}
}