org.cloudfoundry.maven.Logs.java Source code

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Here is the source code for org.cloudfoundry.maven.Logs.java

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/*
    
 * Copyright 2009-2013 the original author or authors.
 *
 * 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 org.cloudfoundry.maven;

import org.apache.maven.plugin.MojoExecutionException;
import org.cloudfoundry.client.lib.ApplicationLogListener;
import org.cloudfoundry.client.lib.CloudFoundryException;
import org.cloudfoundry.client.lib.domain.ApplicationLog;
import org.cloudfoundry.maven.common.UiUtils;
import org.springframework.http.HttpStatus;

import java.util.Map;

import static org.cloudfoundry.maven.common.UiUtils.renderApplicationLogEntry;

/**
 * Streams a tail of application logs
 *
 * @author Ali Moghadam
 * @author Scott Frederick
 * @since 1.0.0
    
 * @goal logs
 * @phase process-sources
 */

public class Logs extends AbstractApplicationAwareCloudFoundryMojo {

    @Override
    protected void doExecute() throws MojoExecutionException {

        try {
            getLog().info(String.format("Getting logs for '%s'", getAppname()));

            LoggingListener listener = new LoggingListener();
            getClient().streamLogs(getAppname(), listener);
            synchronized (listener) {
                try {
                    listener.wait();
                } catch (InterruptedException e) {
                    throw new MojoExecutionException("Interrupted while streaming logs", e);
                }
            }
        } catch (CloudFoundryException e) {
            if (HttpStatus.NOT_FOUND.equals(e.getStatusCode())) {
                throw new MojoExecutionException(String.format("Application '%s' does not exist", getAppname()), e);
            } else {
                throw new MojoExecutionException(String.format(
                        "Error getting logs for application '%s'. Error message: '%s'. Description: '%s'",
                        getAppname(), e.getMessage(), e.getDescription()), e);
            }
        }
    }

    private class LoggingListener implements ApplicationLogListener {
        public void onMessage(ApplicationLog logEntry) {
            getLog().info(renderApplicationLogEntry(logEntry));
        }

        public void onError(Throwable e) {
            synchronized (this) {
                this.notify();
            }
        }

        public void onComplete() {
            synchronized (this) {
                this.notify();
            }
        }
    }
}