/*!
* 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 (c) 2002-2013 Pentaho Corporation.. All rights reserved.
*/
package org.pentaho.reporting.designer.core.editor.drilldown.parser;
import java.util.ArrayList;
import org.pentaho.reporting.designer.core.editor.drilldown.model.Parameter;
import org.pentaho.reporting.designer.core.editor.drilldown.model.ParameterDocument;
import org.pentaho.reporting.designer.core.editor.drilldown.model.ParameterGroup;
import org.pentaho.reporting.libraries.base.util.StringUtils;
import org.pentaho.reporting.libraries.xmlns.parser.AbstractXmlReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.IgnoreAnyChildReadHandler;
import org.pentaho.reporting.libraries.xmlns.parser.XmlReadHandler;
import org.xml.sax.Attributes;
import org.xml.sax.SAXException;
/**
* Todo: Document me!
* <p/>
* Date: 13.08.2010
* Time: 17:27:37
*
* @author Thomas Morgner.
*/
public class ParameterDocumentReadHandler extends AbstractXmlReadHandler
{
private ParameterDocument parameterDefinition;
private ArrayList parameters;
public ParameterDocumentReadHandler()
{
parameters = new ArrayList();
}
/**
* Starts parsing.
*
* @param attrs the attributes.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void startParsing(final Attributes attrs) throws SAXException
{
parameterDefinition = new ParameterDocument();
parameterDefinition.setPromptNeeded("true".equals(attrs.getValue(getUri(), "is-prompt-needed"))); // NON-NLS
parameterDefinition.setPaginate("true".equals(attrs.getValue(getUri(), "paginate")));// NON-NLS
parameterDefinition.setSubscribe("true".equals(attrs.getValue(getUri(), "subscribe")));// NON-NLS
parameterDefinition.setShowParameterUi("true".equals(attrs.getValue(getUri(), "show-parameter-ui")));// NON-NLS
parameterDefinition.setLayout(attrs.getValue(getUri(), "layout"));// NON-NLS
final String autoSubmit = attrs.getValue(getUri(), "autoSubmit");
if ("true".equals(autoSubmit))
{
parameterDefinition.setAutoSubmit(Boolean.TRUE);
}
else if ("false".equals(autoSubmit))
{
parameterDefinition.setAutoSubmit(Boolean.FALSE);
}
else
{
parameterDefinition.setAutoSubmit(null);
}
parameterDefinition.setAutoSubmitUI("true".equals(attrs.getValue(getUri(), "autoSubmitUI")));// NON-NLS
}
/**
* Returns the handler for a child element.
*
* @param uri the URI of the namespace of the current element.
* @param tagName the tag name.
* @param atts the attributes.
* @return the handler or null, if the tagname is invalid.
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected XmlReadHandler getHandlerForChild(final String uri,
final String tagName,
final Attributes atts) throws SAXException
{
if (isSameNamespace(uri) == false)
{
return null;
}
if ("errors".equals(tagName))//NON-NLS
{
return new IgnoreAnyChildReadHandler();
}
if ("parameter".equals(tagName))//NON-NLS
{
final ParameterReadHandler readHandler = new ParameterReadHandler();
parameters.add(readHandler);
return readHandler;
}
return null;
}
/**
* Done parsing.
*
* @throws org.xml.sax.SAXException if there is a parsing error.
*/
protected void doneParsing() throws SAXException
{
for (int i = 0; i < parameters.size(); i++)
{
final ParameterReadHandler readHandler = (ParameterReadHandler) parameters.get(i);
final Parameter parameter = readHandler.getParameter();
String parameterGroupName = parameter.getAttribute("parameter-group"); //$NON-NLS-1$
if (StringUtils.isEmpty(parameterGroupName))
{
// default group
parameterGroupName = "parameters"; //$NON-NLS-1$
}
ParameterGroup parameterGroup = parameterDefinition.getParameterGroup(parameterGroupName);
if (parameterGroup == null)
{
final String parameterGroupLabel = parameter.getAttribute("parameter-group-label"); //$NON-NLS-1$
parameterGroup = new ParameterGroup(parameterGroupName, parameterGroupLabel);
parameterDefinition.addParameterGroup(parameterGroup);
}
parameterGroup.addParameter(parameter);
}
}
/**
* Returns the object for this element or null, if this element does
* not create an object.
*
* @return the object.
* @throws org.xml.sax.SAXException if an parser error occured.
*/
public Object getObject() throws SAXException
{
return parameterDefinition;
}
}