RabbitMQEndPointAnalyzer.java

/**
 * Copyright (c) 2009-2011 VMware, 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.springsource.insight.plugin.rabbitmqClient;

import com.springsource.insight.intercept.endpoint.AbstractSingleTypeEndpointAnalyzer;
import com.springsource.insight.intercept.endpoint.EndPointAnalysis;
import com.springsource.insight.intercept.endpoint.EndPointName;
import com.springsource.insight.intercept.operation.Operation;
import com.springsource.insight.intercept.operation.SourceCodeLocation;
import com.springsource.insight.intercept.operation.method.JoinPointBreakDown;
import com.springsource.insight.intercept.trace.Frame;


public class RabbitMQEndPointAnalyzer extends AbstractSingleTypeEndpointAnalyzer {

    private static final RabbitMQEndPointAnalyzer INSTANCE = new RabbitMQEndPointAnalyzer();

    public static final RabbitMQEndPointAnalyzer getInstance() {
        return INSTANCE;
    }
    protected RabbitMQEndPointAnalyzer() {
        super(RabbitPluginOperationType.CONSUME.getOperationType());
    }

    @Override
    protected EndPointAnalysis makeEndPoint(Frame frame, int depth) {
        Operation operation = frame.getOperation();
        EndPointName endPointName = EndPointName.valueOf(EndPointName.createEndpointName(operation));
        String example = createExample(operation);
        return new EndPointAnalysis(endPointName, getLabel(operation), example, EndPointAnalysis.CEILING_LAYER_SCORE + 1);
    }

    private String createExample(Operation operation) {
        RabbitMQConsumerResourceAnalyzer ran = RabbitMQConsumerResourceAnalyzer.getInstance();
        String finalExchangeName = AbstractRabbitMQResourceAnalyzer.getFinalExchangeName(ran.getExchange(operation));
        String finalRoutingKey = AbstractRabbitMQResourceAnalyzer.getFinalRoutingKey(ran.getRoutingKey(operation));
        return "Received message from " + finalExchangeName + "-" + finalRoutingKey;
    }
    private String getLabel(Operation op) {
        SourceCodeLocation sourceCodeLocation = op.getSourceCodeLocation();
        return JoinPointBreakDown.getShortClassName(sourceCodeLocation.getClassName()) + "#" + sourceCodeLocation.getMethodName();
    }
}