/**
* 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.stream ;
import java.io.IOException ;
import java.io.InputStream ;
import java.net.MalformedURLException ;
import java.net.URL ;
import org.apache.jena.atlas.io.IO ;
import org.apache.jena.atlas.web.ContentType ;
import org.apache.jena.atlas.web.TypedInputStream ;
import org.apache.jena.riot.RDFLanguages ;
import org.apache.jena.riot.RiotException ;
import org.slf4j.Logger ;
import org.slf4j.LoggerFactory ;
public class LocatorFTP extends LocatorURL {
private static Logger log = LoggerFactory.getLogger(LocatorFTP.class) ;
private static final String[] schemeNames = { "ftp" } ;
public LocatorFTP() {
super(schemeNames) ;
}
@Override
protected Logger log() { return log ; }
@Override
public TypedInputStream performOpen(String uri) {
if ( uri.startsWith("ftp://") ) {
try {
URL url = new URL(uri) ;
InputStream in = url.openStream() ;
ContentType ct = RDFLanguages.guessContentType(uri) ;
return new TypedInputStream(in, ct) ;
}
catch (MalformedURLException ex) {
throw new RiotException("Bad FTP URL: "+uri, ex) ;
}
catch (IOException ex) {
// This includes variations on "not found"
IO.exception(ex) ;
}
}
return null ;
}
@Override
public String getName() {
return "LocatorFTP" ;
}
@Override
public int hashCode() {
return 57 ;
}
}