/*
* 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 org.apache.jena.riot.system;
import java.io.BufferedWriter ;
import java.io.OutputStream ;
import java.io.OutputStreamWriter ;
import java.io.Writer ;
import java.util.HashMap ;
import java.util.Map ;
import org.apache.jena.atlas.lib.Chars ;
import org.apache.jena.atlas.logging.Log ;
import com.hp.hpl.jena.graph.Graph ;
import com.hp.hpl.jena.rdf.model.Model ;
import com.hp.hpl.jena.rdf.model.RDFErrorHandler ;
import com.hp.hpl.jena.rdf.model.RDFWriter ;
public abstract class JenaWriterBase implements RDFWriter
{
protected Map<String, String> writerPropertyMap = new HashMap<String, String>() ;
private RDFErrorHandler errorHandler = null ;
@Override
public RDFErrorHandler setErrorHandler(RDFErrorHandler errHandler)
{
RDFErrorHandler old = errorHandler;
errorHandler = errHandler;
return old;
}
@Override
public Object setProperty(String propName, Object propValue)
{
if ( ! ( propValue instanceof String ) )
{
Log.warn(this, "setProperty: Property for '"+propName+"' is not a string") ;
propValue = propValue.toString() ;
}
// Store absolute name of property
propName = absolutePropName(propName) ;
if ( writerPropertyMap == null )
writerPropertyMap = new HashMap<String, String>() ;
String oldValue = writerPropertyMap.get(propName);
writerPropertyMap.put(propName,(String)propValue);
return oldValue;
}
protected String absolutePropName(String propName)
{
// See abbreviate comand line args.
return propName ;
}
@Override
public void write(Model model, Writer out, String base)
{
write(model.getGraph(), out, base) ;
}
@Override
public void write(Model model, OutputStream out, String base)
{
Writer w = new OutputStreamWriter(out, Chars.createEncoder()) ;
w = new BufferedWriter(w, 8*1024) ;
write(model.getGraph(), w, base) ;
try { w.flush() ; } catch (Exception e) {}
}
protected abstract void write(Graph graph, Writer out, String base) ;
}