org.alfresco.bm.devicesync.eventprocessor.GetFile.java Source code

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Here is the source code for org.alfresco.bm.devicesync.eventprocessor.GetFile.java

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/*
 * Copyright (C) 2005-2014 Alfresco Software Limited.
 *
 * This file is part of Alfresco
 *
 * Alfresco is free software: you can redistribute it and/or modify
 * it under the terms of the GNU Lesser General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 *
 * Alfresco is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with Alfresco. If not, see <http://www.gnu.org/licenses/>.
 */
package org.alfresco.bm.devicesync.eventprocessor;

import org.alfresco.bm.devicesync.data.CMISEventData;
import org.alfresco.bm.devicesync.util.DownloadFileHelper;
import org.alfresco.bm.devicesync.util.UploadFileException;
import org.alfresco.bm.event.Event;
import org.alfresco.bm.event.EventResult;

import com.mongodb.BasicDBObjectBuilder;
import com.mongodb.DBObject;

/**
 * Upload a new file
 * 
 * <h1>Input</h1>
 * 
 * A {@link CMISEventData data object } containing an existing folder.
 * 
 * <h1>Actions</h1>
 * 
 * Upload a random file to the current folder
 * 
 * <h1>Output</h1>
 * 
 * {@link #EVENT_NAME_FILE_UPLOADED}: The {@link CMISEventData data object} with
 * the new file<br/>
 * 
 * @author sglover
 * @since 1.0
 */
public class GetFile extends AbstractCMISEventProcessor {
    public static final String EVENT_NAME_FILE_DOWNLOADED = "fileDownloaded";

    private String eventNameFileDownloaded;
    private final DownloadFileHelper downloadFileHelper;

    /**
     * @param testFileService
     *            service to provide sample files for upload
     */
    public GetFile(DownloadFileHelper downloadFileHelper) {
        super();
        this.downloadFileHelper = downloadFileHelper;
        this.eventNameFileDownloaded = EVENT_NAME_FILE_DOWNLOADED;
    }

    /**
     * Override the {@link #EVENT_NAME_FILE_UPLOADED default} event name for
     * 'file uploaded'.
     */
    public void setEventNameFileDownloaded(String eventNameFileDownloaded) {
        this.eventNameFileDownloaded = eventNameFileDownloaded;
    }

    @Override
    protected EventResult processCMISEvent(Event event) throws Exception {
        super.suspendTimer(); // Timer control

        DBObject dbObject = (DBObject) event.getData();
        String username = (String) dbObject.get("username");
        String path = (String) dbObject.get("path");

        try {
            super.resumeTimer(); // Timer control
            DBObject downloadResult = downloadFileHelper.download(username, path);
            super.suspendTimer(); // Timer control

            // Done
            Event doneEvent = new Event(eventNameFileDownloaded, downloadResult);
            EventResult result = new EventResult(BasicDBObjectBuilder.start()
                    .append("msg", "Successfully downloaded document.").append("result", downloadResult).get(),
                    doneEvent);

            // Done
            return result;
        } catch (UploadFileException e) {
            e.printStackTrace();
            return new EventResult(
                    BasicDBObjectBuilder.start().append("msg", "Exception downloading document.")
                            .append("exception", e.getE().getMessage()).append("document", e.getData()).get(),
                    false);
        } catch (Exception e) {
            e.printStackTrace();
            return new EventResult(BasicDBObjectBuilder.start().append("msg", "Exception downloading document.")
                    .append("exception", e.getMessage()).get(), false);
        }
    }
}