org.pepstock.jem.gwt.server.SubmitManagerServiceImpl.java Source code

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Here is the source code for org.pepstock.jem.gwt.server.SubmitManagerServiceImpl.java

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/**
JEM, the BEE - Job Entry Manager, the Batch Execution Environment
Copyright (C) 2012-2015   Andrea "Stock" Stocchero
This program is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
any later version.
    
This program 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 General Public License for more details.
    
You should have received a copy of the GNU General Public License
along with this program.  If not, see <http://www.gnu.org/licenses/>.
*/
package org.pepstock.jem.gwt.server;

import java.io.IOException;
import java.io.StringWriter;
import java.lang.management.ManagementFactory;
import java.util.List;

import org.apache.commons.fileupload.FileItem;
import org.apache.commons.io.IOUtils;
import org.pepstock.jem.Job;
import org.pepstock.jem.PreJob;
import org.pepstock.jem.gwt.client.panels.jobs.input.LegacySubmitter;
import org.pepstock.jem.gwt.client.services.SubmitManagerService;
import org.pepstock.jem.gwt.server.services.JobsManager;
import org.pepstock.jem.gwt.server.services.ServiceMessageException;
import org.pepstock.jem.log.JemException;
import org.pepstock.jem.log.LogAppl;

/**
 * Is GWT server service which can provide methods to submit a job.<br>
 * This doesn't implement the usual method because MultiPart is not well supported by RPC of GWT.<br>
 * 
 * @author Andrea "Stock" Stocchero
 * 
 */
public class SubmitManagerServiceImpl extends FileUploadManager implements SubmitManagerService {

    private static final long serialVersionUID = 1L;

    /* (non-Javadoc)
     * @see org.pepstock.jem.gwt.server.FileUploadManager#loaded(java.util.List)
     */
    @Override
    public String loaded(List<FileItem> items) throws JemException {
        try {
            JobsManager jobsManager = new JobsManager();

            String fileName = null;
            PreJob preJob = null;
            // scans all files uploaded
            for (FileItem item : items) {
                // works only with field of JEM
                // other files are ignored
                if (item.getFieldName().equalsIgnoreCase(LegacySubmitter.FILE_UPLOAD_FIELD)) {
                    // 
                    fileName = item.getName();

                    // reads file uploaded
                    StringWriter writer = new StringWriter();
                    IOUtils.copy(item.getInputStream(), writer);
                    // creates a PreJob to submit
                    // sets JCL content
                    preJob = new PreJob();
                    preJob.setJclContent(writer.toString());

                    // creates a empty job
                    Job job = new Job();
                    // loads all line arguments (the -D properties).
                    // could be useful to factories, listeners and during
                    // job execution to
                    // job itself
                    job.setInputArguments(ManagementFactory.getRuntimeMXBean().getInputArguments());
                    // uses file name as job name
                    job.setName(fileName);

                    // loads prejob with job
                    preJob.setJob(job);
                } else if (item.getFieldName().equalsIgnoreCase(LegacySubmitter.TYPE_FIELD)) {
                    // reads JCl type
                    String type = item.getString();
                    // sets JCL type which was an argument
                    preJob.setJclType(type);
                }
            }

            // if prejob is not instantiated means jcl file are not set
            if (preJob != null) {
                String id;
                // submits JOB and get job it to return
                id = jobsManager.submit(preJob);
                return UserInterfaceMessage.JEMG034I.toMessage().getFormattedMessage(fileName, id);
            } else {
                throw new JemException(UserInterfaceMessage.JEMG035E.toMessage().getFormattedMessage());
            }
        } catch (ServiceMessageException e) {
            LogAppl.getInstance().emit(UserInterfaceMessage.JEMG048E, e);
            throw new JemException(UserInterfaceMessage.JEMG048E.toMessage().getFormattedMessage(e.getMessage()));
        } catch (IOException e) {
            LogAppl.getInstance().emit(UserInterfaceMessage.JEMG048E, e);
            throw new JemException(UserInterfaceMessage.JEMG048E.toMessage().getFormattedMessage(e.getMessage()));
        }
    }

}