Package org.apache.activemq.plugin

Source Code of org.apache.activemq.plugin.NetworkConnectorProcessor

/**
* 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 org.apache.activemq.plugin;

import org.apache.activemq.network.DiscoveryNetworkConnector;
import org.apache.activemq.network.NetworkConnector;
import org.apache.activemq.schema.core.DtoNetworkConnector;
import org.apache.activemq.util.IntrospectionSupport;

import java.util.TreeMap;

public class NetworkConnectorProcessor extends DefaultConfigurationProcessor {

    public NetworkConnectorProcessor(RuntimeConfigurationBroker plugin, Class configurationClass) {
        super(plugin, configurationClass);
    }

    @Override
    public void addNew(Object o) {
        DtoNetworkConnector networkConnector = (DtoNetworkConnector) o;
        if (networkConnector.getUri() != null) {
            try {
                DiscoveryNetworkConnector nc = fromDto(networkConnector, new DiscoveryNetworkConnector());
                plugin.getBrokerService().addNetworkConnector(nc);
                nc.start();
                plugin.info("started new network connector: " + nc);
            } catch (Exception e) {
                plugin.info("Failed to add new networkConnector " + networkConnector, e);
            }
        }
    }

    @Override
    public void remove(Object o) {
        DtoNetworkConnector toRemove = (DtoNetworkConnector) o;
        for (NetworkConnector existingCandidate :
                plugin.getBrokerService().getNetworkConnectors()) {
            if (configMatch(toRemove, existingCandidate)) {
                if (plugin.getBrokerService().removeNetworkConnector(existingCandidate)) {
                    try {
                        existingCandidate.stop();
                        plugin.info("stopped and removed networkConnector: " + existingCandidate);
                    } catch (Exception e) {
                        plugin.info("Failed to stop removed network connector: " + existingCandidate);
                    }
                }
            }
        }
    }

    private boolean configMatch(DtoNetworkConnector dto, NetworkConnector candidate) {
        TreeMap<String, String> dtoProps = new TreeMap<String, String>();
        IntrospectionSupport.getProperties(dto, dtoProps, null);

        TreeMap<String, String> candidateProps = new TreeMap<String, String>();
        IntrospectionSupport.getProperties(candidate, candidateProps, null);

        // every dto prop must be present in the candidate
        for (String key : dtoProps.keySet()) {
            if (!candidateProps.containsKey(key) || !candidateProps.get(key).equals(dtoProps.get(key))) {
                return false;
            }
        }
        return true;
    }
}
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