/**
* License Agreement.
*
* Ajax4jsf 1.1 - Natural Ajax for Java Server Faces (JSF)
*
* Copyright (C) 2007 Exadel, Inc.
*
* This library 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.
*
* This library 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.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
*/
package org.jboss.seam.ui.component;
import java.io.Reader;
import java.io.StringReader;
import javax.faces.component.UIOutput;
import org.jboss.seam.text.SeamTextLexer;
import org.jboss.seam.text.SeamTextParser;
import org.jboss.seam.log.Logging;
import org.jboss.seam.log.Log;
import antlr.ANTLRException;
import antlr.RecognitionException;
/**
* JSF component class
*
*/
public abstract class UIFormattedText extends UIOutput {
Log log = Logging.getLog(UIFormattedText.class);
@SuppressWarnings("unused")
private static final String COMPONENT_TYPE = "org.jboss.seam.ui.FormattedText";
@SuppressWarnings("unused")
private static final String COMPONENT_FAMILY = "org.jboss.seam.ui.FormattedText";
public String getFormattedText()
{
if ( getValue() == null) return null;
Reader r = new StringReader( (String) getValue() );
SeamTextLexer lexer = new SeamTextLexer(r);
SeamTextParser parser = new SeamTextParser(lexer);
try
{
parser.startRule();
}
catch (RecognitionException rex) {
// Log a nice message for any lexer/parser errors, users can disable this if they want to
log.warn( "Seam Text parse error: " + rex.getMessage() );
} catch (ANTLRException ex) {
// All other errors are fatal;
throw new RuntimeException(ex);
}
return parser.toString();
}
}