/* | |
* Licensed to the Apache Software Foundation (ASF) under one or more | |
* contributor license agreements. See the NOTICE file distributed with | |
* this work for additional information regarding copyright ownership. | |
* The ASF licenses this file to You 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.alibaba.dubbo.rpc.cluster.support; | |
import com.alibaba.dubbo.common.Constants; | |
import com.alibaba.dubbo.common.URL; | |
import com.alibaba.dubbo.common.utils.StringUtils; | |
import java.util.HashMap; | |
import java.util.Map; | |
/** | |
* ClusterUtils | |
* | |
*/ | |
public class ClusterUtils { | |
private ClusterUtils() { | |
} | |
public static URL mergeUrl(URL remoteUrl, Map<String, String> localMap) { | |
Map<String, String> map = new HashMap<String, String>(); | |
Map<String, String> remoteMap = remoteUrl.getParameters(); | |
if (remoteMap != null && remoteMap.size() > 0) { | |
map.putAll(remoteMap); | |
// Remove configurations from provider, some items should be affected by provider. | |
map.remove(Constants.THREAD_NAME_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.THREAD_NAME_KEY); | |
map.remove(Constants.THREADPOOL_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.THREADPOOL_KEY); | |
map.remove(Constants.CORE_THREADS_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.CORE_THREADS_KEY); | |
map.remove(Constants.THREADS_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.THREADS_KEY); | |
map.remove(Constants.QUEUES_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.QUEUES_KEY); | |
map.remove(Constants.ALIVE_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.ALIVE_KEY); | |
map.remove(Constants.TRANSPORTER_KEY); | |
map.remove(Constants.DEFAULT_KEY_PREFIX + Constants.TRANSPORTER_KEY); | |
} | |
if (localMap != null && localMap.size() > 0) { | |
map.putAll(localMap); | |
} | |
if (remoteMap != null && remoteMap.size() > 0) { | |
// Use version passed from provider side | |
String dubbo = remoteMap.get(Constants.DUBBO_VERSION_KEY); | |
if (dubbo != null && dubbo.length() > 0) { | |
map.put(Constants.DUBBO_VERSION_KEY, dubbo); | |
} | |
String version = remoteMap.get(Constants.VERSION_KEY); | |
if (version != null && version.length() > 0) { | |
map.put(Constants.VERSION_KEY, version); | |
} | |
String group = remoteMap.get(Constants.GROUP_KEY); | |
if (group != null && group.length() > 0) { | |
map.put(Constants.GROUP_KEY, group); | |
} | |
String methods = remoteMap.get(Constants.METHODS_KEY); | |
if (methods != null && methods.length() > 0) { | |
map.put(Constants.METHODS_KEY, methods); | |
} | |
// Reserve timestamp of provider url. | |
String remoteTimestamp = remoteMap.get(Constants.TIMESTAMP_KEY); | |
if (remoteTimestamp != null && remoteTimestamp.length() > 0) { | |
map.put(Constants.REMOTE_TIMESTAMP_KEY, remoteMap.get(Constants.TIMESTAMP_KEY)); | |
} | |
String tag = remoteMap.get(Constants.TAG_KEY); | |
if (StringUtils.isNotEmpty(tag)) { | |
map.put(Constants.TAG_KEY, tag); | |
} else { | |
map.remove(Constants.TAG_KEY); | |
} | |
// Combine filters and listeners on Provider and Consumer | |
String remoteFilter = remoteMap.get(Constants.REFERENCE_FILTER_KEY); | |
String localFilter = localMap.get(Constants.REFERENCE_FILTER_KEY); | |
if (remoteFilter != null && remoteFilter.length() > 0 | |
&& localFilter != null && localFilter.length() > 0) { | |
map.put(Constants.REFERENCE_FILTER_KEY, remoteFilter + "," + localFilter); | |
} | |
String remoteListener = remoteMap.get(Constants.INVOKER_LISTENER_KEY); | |
String localListener = localMap.get(Constants.INVOKER_LISTENER_KEY); | |
if (remoteListener != null && remoteListener.length() > 0 | |
&& localListener != null && localListener.length() > 0) { | |
map.put(Constants.INVOKER_LISTENER_KEY, remoteListener + "," + localListener); | |
} | |
} | |
return remoteUrl.clearParameters().addParameters(map); | |
} | |
} |