/*
* This program is free software; you can redistribute it and/or modify it under the
* terms of the GNU Lesser General Public License, version 2.1 as published by the Free Software
* Foundation.
*
* You should have received a copy of the GNU Lesser General Public License along with this
* program; if not, you can obtain a copy at http://www.gnu.org/licenses/old-licenses/lgpl-2.1.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 Lesser General Public License for more details.
*
* Copyright 2008 - 2009 Pentaho Corporation. All rights reserved.
*/
package org.pentaho.pac.server.biplatformproxy.xmlserializer;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import javax.xml.parsers.ParserConfigurationException;
import javax.xml.parsers.SAXParser;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.pentaho.pac.client.scheduler.model.Schedule;
import org.pentaho.pac.common.SchedulerServiceException;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
import org.xml.sax.helpers.DefaultHandler;
public class SchedulerXmlSerializer {
private static final Log logger = LogFactory.getLog(SchedulerXmlSerializer.class);
public SchedulerXmlSerializer() {
}
public Map<String,Schedule> getSchedulesFromXml( String strXml ) throws XmlSerializerException
{
JobsParserHandler h = null;
try {
h = parseJobNamesXml( strXml );
} catch (SAXException e) {
logger.error( e.getMessage() );
throw new XmlSerializerException( e.getMessage() );
} catch (IOException e) {
logger.error( e.getMessage() );
throw new XmlSerializerException( e.getMessage() );
} catch (ParserConfigurationException e) {
logger.error( e.getMessage() );
throw new XmlSerializerException( e.getMessage() );
}
return h.schedules;
}
private JobsParserHandler parseJobNamesXml( String strXml ) throws SAXException, IOException, ParserConfigurationException
{
SAXParser parser = XmlSerializerUtil.getSAXParserFactory().newSAXParser();
JobsParserHandler h = new JobsParserHandler();
// TODO sbarkdull, need to set encoding
// String encoding = CleanXmlHelper.getEncoding( strXml );
// InputStream is = new ByteArrayInputStream( strXml.getBytes( encoding ) );
InputStream is = new ByteArrayInputStream( strXml.getBytes( "UTF-8" ) ); //$NON-NLS-1$
parser.parse( is, h );
return h;
}
private static class JobsParserHandler extends DefaultHandler {
public String currentText = null;
public boolean isGetJobNames = false;
public Map<String,Schedule> schedules = new HashMap<String,Schedule>();
private Schedule currentSchedule = null;
public JobsParserHandler()
{
}
public void characters( char[] ch, int startIdx, int length )
{
currentText = String.valueOf( ch, startIdx, length );
}
public void endElement(String uri, String localName, String qName ) throws SAXException
{
if ( qName.equals( "job" ) ) { //$NON-NLS-1$
} else if ( qName.equals( "description" ) ) { //$NON-NLS-1$
currentSchedule.setDescription( currentText );
} else {
}
}
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
{
if ( qName.equals( "getJobNames" ) ) { //$NON-NLS-1$
isGetJobNames = true;
} else if ( qName.equals( "job" ) ) { //$NON-NLS-1$
currentSchedule = new Schedule();
String val = attributes.getValue( "triggerName" ); //$NON-NLS-1$
currentSchedule.setTriggerName( val );
val = attributes.getValue( "triggerGroup" ); //$NON-NLS-1$
currentSchedule.setTriggerGroup( val );
val = attributes.getValue( "triggerState" ); //$NON-NLS-1$
currentSchedule.setTriggerState( XmlSerializerUtil.triggerInt2Name( val ) );
val = attributes.getValue( "nextFireTime" ); //$NON-NLS-1$
currentSchedule.setNextFireTime( val );
val = attributes.getValue( "prevFireTime" ); //$NON-NLS-1$
currentSchedule.setPrevFireTime( val );
val = attributes.getValue( "jobName" ); //$NON-NLS-1$
currentSchedule.setJobName( val );
val = attributes.getValue( "jobGroup" ); //$NON-NLS-1$
currentSchedule.setJobGroup( val );
val = attributes.getValue( "start-date-time" ); //$NON-NLS-1$
currentSchedule.setStartDate( val );
val = attributes.getValue( "end-date-time" ); //$NON-NLS-1$
currentSchedule.setEndDate( val );
// actionsList will only have ONE action
val = attributes.getValue( "actionRefs" ); //$NON-NLS-1$
List<String> l = new ArrayList<String>();
l.add( val );
currentSchedule.setActionsList( l );
val = attributes.getValue( "cron-string" ); //$NON-NLS-1$
if ( null != val ) {
currentSchedule.setCronString( val );
}
val = attributes.getValue( "repeat-time-millisecs" ); //$NON-NLS-1$
if ( null != val ) {
currentSchedule.setRepeatInterval( val );
}
assert currentSchedule.getJobName() != null : "Error, job name cannot be null."; //$NON-NLS-1$
schedules.put( currentSchedule.getJobName(), currentSchedule );
} else if ( qName.equals( "description" ) ) { //$NON-NLS-1$
} else {
}
}
}
public boolean getSchedulerStatusFromXml( String strXml ) {
return strXml.contains( "Running" ); //$NON-NLS-1$
}
public void detectSchedulerExceptionInXml( String strXml ) throws SchedulerServiceException {
SchedulerExceptionParserHandler exceptionHandler;
try {
exceptionHandler = parseSchedulerExceptionXml( strXml );
} catch (SAXException e) {
logger.error( e.getMessage() );
throw new SchedulerServiceException( e.getMessage() );
} catch (IOException e) {
logger.error( e.getMessage() );
throw new SchedulerServiceException( e.getMessage() );
} catch (ParserConfigurationException e) {
logger.error( e.getMessage() );
throw new SchedulerServiceException( e.getMessage() );
}
if ( null != exceptionHandler.exceptionMessage ) {
throw new SchedulerServiceException( exceptionHandler.exceptionMessage );
}
}
/**
*
* @param strXml
* @return
* @throws SAXException
* @throws IOException
* @throws ParserConfigurationException
*/
private SchedulerExceptionParserHandler parseSchedulerExceptionXml( String strXml ) throws SAXException, IOException, ParserConfigurationException
{
SAXParser parser = XmlSerializerUtil.getSAXParserFactory().newSAXParser();
SchedulerExceptionParserHandler h = new SchedulerExceptionParserHandler();
// TODO sbarkdull, need to set encoding
// String encoding = CleanXmlHelper.getEncoding( strXml );
// InputStream is = new ByteArrayInputStream( strXml.getBytes( encoding ) );
InputStream is = new ByteArrayInputStream( strXml.getBytes( "UTF-8" ) ); //$NON-NLS-1$
parser.parse( is, h );
return h;
}
/**
* <?xml version="1.0" encoding="UTF-8"?>
* <schedulerResults>
* <error
* msg="Failed to execute job ff. Job with that name does not exist in scheduler. ff" />
* </schedulerResults>
* @author Steven Barkdull
*
*/
private static class SchedulerExceptionParserHandler extends DefaultHandler {
public String exceptionMessage = null;
private boolean isSchedulerResults = false;
public SchedulerExceptionParserHandler()
{
}
public void characters( char[] ch, int startIdx, int length )
{
// no-op
}
public void endElement(String uri, String localName, String qName ) throws SAXException
{
if ( qName.equals( "schedulerResults" ) ) { //$NON-NLS-1$
isSchedulerResults = false;
}
}
public void startElement(String uri, String localName, String qName, Attributes attributes) throws SAXException
{
if ( qName.equals( "schedulerResults" ) ) { //$NON-NLS-1$
isSchedulerResults = true;
} else if ( qName.equals( "error" ) ) { //$NON-NLS-1$
if ( isSchedulerResults ) {
exceptionMessage = attributes.getValue( "msg" );//$NON-NLS-1$
}
}
}
}
}