/******************************************************************************
* Copyright (c) 2014 Oracle
* All rights reserved. This program and the accompanying materials
* are made available under the terms of the Eclipse Public License v1.0
* which accompanies this distribution, and is available at
* http://www.eclipse.org/legal/epl-v10.html
*
* Contributors:
* Konstantin Komissarchik - initial implementation and ongoing maintenance
******************************************************************************/
package org.eclipse.sapphire.modeling.el.parser;
import java.io.StringReader;
import org.eclipse.sapphire.LocalizableText;
import org.eclipse.sapphire.Text;
import org.eclipse.sapphire.modeling.Status;
import org.eclipse.sapphire.modeling.el.Function;
import org.eclipse.sapphire.modeling.el.FunctionException;
import org.eclipse.sapphire.modeling.el.parser.internal.ExpressionLanguageParserImpl;
import org.eclipse.sapphire.modeling.el.parser.internal.TokenMgrError;
/**
* @author <a href="mailto:konstantin.komissarchik@oracle.com">Konstantin Komissarchik</a>
*/
public final class ExpressionLanguageParser
{
@Text( "Failed while parsing an expression: {0}" )
private static LocalizableText parseFailedMessage;
static
{
LocalizableText.init( ExpressionLanguageParser.class );
}
public static Function parse( final String expression )
{
final ExpressionLanguageParserImpl parser = new ExpressionLanguageParserImpl( new StringReader( expression ) );
try
{
return parser.Start();
}
catch( TokenMgrError e )
{
throw new FunctionException( Status.createErrorStatus( parseFailedMessage.format( expression ), e ) );
}
catch( Exception e )
{
throw new FunctionException( Status.createErrorStatus( parseFailedMessage.format( expression ), e ) );
}
}
}