/*
* Name: CollapseWhiteSpaceDirective
* Author: Richard Rodger
*
* Copyright (c) 2001-2004 Richard Rodger
*
* 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 2 of the License, or
* (at your option) 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, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
*/
// package
package org.jostraca.directive;
// import
import org.jostraca.TemplateActionHandler;
import org.jostraca.unit.BasicUnitList;
import org.jostraca.transform.TextualTransformManager;
import org.jostraca.transform.TextualTransformManagerTable;
import org.jostraca.transform.CollapseWhiteSpaceTransform;
import org.jostraca.transform.TextualTransform;
import org.jostraca.util.PropertySet;
/** Remove new lines in text elements.
* Usage:<br />
* <% @collapseWhiteSpace %>
* <% @| %>
*/
public class CollapseWhiteSpaceDirective implements Directive {
// private static
private static final String NAME = "collapseWhiteSpace";
private static final String[] ALIASES = new String[] { NAME, "|" };
// private instance
private TextualTransform iCollapseWhiteSpaceTransform = new CollapseWhiteSpaceTransform();
// public methods
public CollapseWhiteSpaceDirective() throws DirectiveException {
// does nothing
}
// interface Directive
public void perform( String pDirectiveName,
String pArguments,
BasicUnitList pUnitList,
TemplateActionHandler pTemplateActionHandler,
PropertySet pPropertySet,
TextualTransformManagerTable pTextualTransformManagerTable
) throws DirectiveException
{
try {
// toggle
TextualTransformManager textTTM = pTextualTransformManagerTable.getTextTTM();
if( textTTM.contains( iCollapseWhiteSpaceTransform ) ) {
textTTM.remove( iCollapseWhiteSpaceTransform );
}
else {
textTTM.prepend( iCollapseWhiteSpaceTransform );
}
// REVIEW: this is deprecated
// REVIEW: need a cleaner way to do this - should be handled by
// TemplateScriptProcessor
// arguments can be any script content
pTemplateActionHandler.append( pArguments );
}
catch( Exception e ) {
throw new DirectiveException( e.getMessage() );
}
}
public String getName() {
return NAME;
}
/** Should include value of getName() */
public String[] getAliases() {
return ALIASES;
}
}