AgentLog.java

/**
 * The MIT License
 * Copyright (c) 2014 JMXTrans Team
 *
 * Permission is hereby granted, free of charge, to any person obtaining a copy
 * of this software and associated documentation files (the "Software"), to deal
 * in the Software without restriction, including without limitation the rights
 * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
 * copies of the Software, and to permit persons to whom the Software is
 * furnished to do so, subject to the following conditions:
 *
 * The above copyright notice and this permission notice shall be included in
 * all copies or substantial portions of the Software.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
 * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
 * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
 * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
 * THE SOFTWARE.
 */
package org.jmxtrans.standalone;

import java.io.IOException;
import java.nio.file.Path;
import java.util.Scanner;
import java.util.concurrent.Callable;

public class AgentLog {

    public static final String LOG_FILE_NAME = "jmxtrans-standalone.log";
    private BuildContext buildContext = new BuildContext();

    public Callable<Boolean> hasLineContaining(final String content) throws IOException {
        return new Callable<Boolean>() {
            @Override
            public Boolean call() throws Exception {
                Path logFile = buildContext.getBuildDirectory().resolve(LOG_FILE_NAME);
                try (Scanner log = new Scanner(logFile)) {
                    while (log.hasNextLine()) {
                        if (log.nextLine().contains(content)) return true;
                    }
                }
                return false;
            }
        };
    }
}