/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you under the Apache License, Version 2.0 (the
* "License"); you may not use this file except in compliance
* with the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.hp.hpl.jena.sparql.lang;
import java.io.FileReader ;
import java.io.Reader ;
import java.io.StringReader ;
import org.apache.jena.atlas.io.PeekReader ;
import org.slf4j.LoggerFactory ;
import com.hp.hpl.jena.query.QueryException ;
import com.hp.hpl.jena.query.QueryParseException ;
import com.hp.hpl.jena.shared.JenaException ;
import com.hp.hpl.jena.sparql.lang.arq.ARQParser ;
import com.hp.hpl.jena.sparql.modify.UpdateSink ;
public class ParserARQUpdate extends UpdateParser
{
@Override
protected void parse$(UpdateSink sink, String queryString)
{
Reader r = new StringReader(queryString) ;
_parse(sink, r) ;
}
@Override
protected void parse$(UpdateSink sink, PeekReader pr)
{
_parse(sink, pr) ;
}
/** Use with care - Reader must be UTF-8 */
public void parse(UpdateSink sink, Reader r)
{
if ( r instanceof FileReader )
LoggerFactory.getLogger(this.getClass()).warn("FileReader passed to ParserSPARQLUpdate.parse - use a FileInputStream") ;
_parse(sink, r) ;
}
private void _parse(UpdateSink sink, Reader r)
{
ARQParser parser = null ;
try {
parser = new ARQParser(r) ;
parser.setUpdateSink(sink) ;
parser.UpdateUnit() ;
}
catch (com.hp.hpl.jena.sparql.lang.arq.ParseException ex)
{
throw new QueryParseException(ex.getMessage(),
ex.currentToken.beginLine,
ex.currentToken.beginColumn
) ; }
catch (com.hp.hpl.jena.sparql.lang.arq.TokenMgrError tErr)
{
// Last valid token : not the same as token error message - but this should not happen
int col = parser.token.endColumn ;
int line = parser.token.endLine ;
throw new QueryParseException(tErr.getMessage(), line, col) ; }
catch (QueryException ex) { throw ex ; }
catch (JenaException ex) { throw new QueryException(ex.getMessage(), ex) ; }
// catch (Error err)
// {
// // The token stream can throw errors.
// throw new QueryParseException(err.getMessage(), err, -1, -1) ;
// }
// catch (Throwable th)
// {
// Log.fatal(this, "Unexpected throwable: ",th) ;
// throw new QueryException(th.getMessage(), th) ;
// }
}
}