qpid/java/broker/src/main/java/org/apache/qpid/server/logging/subjects/SubscriptionLogSubject.java

/*
 *
 * 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.qpid.server.logging.subjects;

import org.apache.qpid.server.subscription.Subscription;

import static org.apache.qpid.server.logging.subjects.LogSubjectFormat.SUBSCRIPTION_FORMAT;

import java.text.MessageFormat;

public class SubscriptionLogSubject extends AbstractLogSubject
{

    /**
     * Create an QueueLogSubject that Logs in the following format.
     *
     * @param subscription
     */
    public SubscriptionLogSubject(Subscription subscription)
    {
        // Delegate the formating of the Queue to the QueueLogSubject. So final
        // log string format is:
        // [ sub:<id>(vh(<vhost>)/qu(<queue>)) ]

        String queueString = new QueueLogSubject(subscription.getQueue()).toLogString();

        setLogString("[" + MessageFormat.format(SUBSCRIPTION_FORMAT,
                                                subscription.getSubscriptionID())
                     + "("
                     // queueString is [vh(/{0})/qu({1}) ] so need to trim
                     //                ^                ^^
                     + queueString.substring(1,queueString.length() - 3)
                     + ")"
                     + "] ");

    }
}