org.pentaho.platform.repository.subscription.SubscriptionPublisher.java Source code

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Here is the source code for org.pentaho.platform.repository.subscription.SubscriptionPublisher.java

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/*
 * This program is free software; you can redistribute it and/or modify it under the 
 * terms of the GNU General Public License, version 2 as published by the Free Software 
 * Foundation.
 *
 * You should have received a copy of the GNU General Public License along with this 
 * program; if not, you can obtain a copy at http://www.gnu.org/licenses/gpl-2.0.html 
 * or from the Free Software Foundation, Inc., 
 * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * 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.
 *
 * 
 * Copyright 2008 Pentaho Corporation.  All rights reserved. 
 * 
 * @created Jun 25, 2008 
 * @author wseyler
 * 
 */

package org.pentaho.platform.repository.subscription;

import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.util.Iterator;
import java.util.List;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.dom4j.Attribute;
import org.dom4j.Document;
import org.dom4j.DocumentException;
import org.dom4j.DocumentHelper;
import org.dom4j.Element;
import org.pentaho.platform.api.engine.IPentahoSession;
import org.pentaho.platform.api.repository.ISubscriptionRepository;
import org.pentaho.platform.engine.core.system.BasePublisher;
import org.pentaho.platform.engine.core.system.PentahoSystem;
import org.pentaho.platform.repository.messages.Messages;
import org.pentaho.platform.util.xml.dom4j.XmlDom4JHelper;

/**
 * @author wseyler
 *
 */
public class SubscriptionPublisher extends BasePublisher {

    private static final long serialVersionUID = -2578938864526146490L;
    private static final Log logger = LogFactory.getLog(SubscriptionPublisher.class);

    public Log getLogger() {
        return logger;
    }

    /* (non-Javadoc)
     * @see org.pentaho.platform.engine.core.system.BasePublisher#publish(org.pentaho.platform.api.engine.IPentahoSession)
     */
    @Override
    public String publish(IPentahoSession session) {
        String publishSrcPath = PentahoSystem.getApplicationContext().getSolutionPath("") //$NON-NLS-1$
                + "system/ScheduleAndContentImport.xml"; //$NON-NLS-1$
        Document document = DocumentHelper.createDocument();
        Element root = DocumentHelper.createElement("importContentResults"); //$NON-NLS-1$
        document.add(root);
        try {
            ISubscriptionRepository subscriptionRepository = PentahoSystem.get(ISubscriptionRepository.class,
                    session);
            File file = new File(publishSrcPath);
            if (!file.canRead()) {
                throw new FileNotFoundException("SubscriptionPublisher.publish() requires the file \""
                        + publishSrcPath + "\" to exist. The file does not exist.");
            }
            Document importDoc = XmlDom4JHelper.getDocFromFile(file, null);

            root.add(subscriptionRepository.importSchedules(importDoc));
            root.add(subscriptionRepository.importContent(importDoc));
        } catch (FileNotFoundException e) {
            getLogger().error(Messages.getString("SubscriptionPublisher.ERROR_0001", publishSrcPath), e); //$NON-NLS-1$
            return Messages.getString("SubscriptionPublisher.ERROR_0002", publishSrcPath); //$NON-NLS-1$
        } catch (DocumentException e) {
            getLogger().error(Messages.getString("SubscriptionPublisher.ERROR_0003", publishSrcPath), e); //$NON-NLS-1$
            return Messages.getString("SubscriptionPublisher.ERROR_0004") + publishSrcPath; //$NON-NLS-1$
        } catch (IOException e) {
            getLogger().error(Messages.getString("SubscriptionPublisher.ERROR_0005", publishSrcPath), e); //$NON-NLS-1$
            return Messages.getString("SubscriptionPublisher.ERROR_0006", publishSrcPath); //$NON-NLS-1$
        }

        List resultNodes = document.selectNodes("//@result"); //$NON-NLS-1$
        for (Iterator iter = resultNodes.iterator(); iter.hasNext();) {
            Attribute attribute = (Attribute) iter.next();
            if ("ERROR".equalsIgnoreCase(attribute.getValue())) { //$NON-NLS-1$
                return Messages.getString("SubscriptionPublisher.ERROR_0007"); //$NON-NLS-1$
            }
        }

        return Messages.getString("SubscriptionPublisher.INFO_0001"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.pentaho.platform.api.engine.IPentahoPublisher#getDescription()
     */
    public String getDescription() {
        return Messages.getString("SubscriptionPublisher.INFO_0002"); //$NON-NLS-1$
    }

    /* (non-Javadoc)
     * @see org.pentaho.platform.api.engine.IPentahoPublisher#getName()
     */
    public String getName() {
        return Messages.getString("SubscriptionPublisher.INFO_0003"); //$NON-NLS-1$
    }

}