org.eclipse.orion.server.logs.jobs.ListFileAppendersJob.java Source code

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Here is the source code for org.eclipse.orion.server.logs.jobs.ListFileAppendersJob.java

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/*******************************************************************************
 * Copyright (c) 2013 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * 
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.eclipse.orion.server.logs.jobs;

import java.net.URI;
import java.util.List;

import javax.servlet.http.HttpServletResponse;

import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.orion.internal.server.servlets.ProtocolConstants;
import org.eclipse.orion.server.core.ServerStatus;
import org.eclipse.orion.server.core.tasks.TaskJob;
import org.eclipse.orion.server.logs.ILogService;
import org.eclipse.orion.server.logs.objects.FileAppenderResource;
import org.eclipse.orion.server.logs.objects.RollingFileAppenderResource;
import org.json.JSONArray;
import org.json.JSONObject;

import ch.qos.logback.classic.spi.ILoggingEvent;
import ch.qos.logback.core.FileAppender;
import ch.qos.logback.core.rolling.RollingFileAppender;

public class ListFileAppendersJob extends TaskJob {
    private final ILogService logService;
    private final URI baseLocation;

    public ListFileAppendersJob(String userRunningTask, ILogService logService, URI baseLocation) {

        super(userRunningTask, false);
        this.logService = logService;
        this.baseLocation = baseLocation;
    }

    @Override
    protected IStatus performJob() {
        try {
            List<FileAppender<ILoggingEvent>> appenders = logService.getFileAppenders();

            JSONObject appendersJSON = new JSONObject();
            appendersJSON.put(ProtocolConstants.KEY_CHILDREN, new JSONArray());
            for (FileAppender<ILoggingEvent> appender : appenders) {

                FileAppenderResource fileAppender = null;
                if (appender instanceof RollingFileAppender<?>)
                    fileAppender = new RollingFileAppenderResource(appender, baseLocation);
                else
                    fileAppender = new FileAppenderResource(appender, baseLocation);

                appendersJSON.append(ProtocolConstants.KEY_CHILDREN, fileAppender.toJSON());
            }

            return new ServerStatus(Status.OK_STATUS, HttpServletResponse.SC_OK, appendersJSON);

        } catch (Exception e) {
            return new ServerStatus(IStatus.ERROR, HttpServletResponse.SC_INTERNAL_SERVER_ERROR,
                    "An error occured when listing file appenders", e);
        }
    }
}