/*
* 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.synapse.util;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.MalformedURLException;
import java.net.URL;
import java.net.URLConnection;
import java.net.URLStreamHandler;
public final class ClasspathURLStreamHandler extends URLStreamHandler {
public URLConnection openConnection(URL url) {
return new URLConnectionImpl(url);
}
private static final class URLConnectionImpl extends URLConnection {
public URLConnectionImpl(URL url) {
super(url);
}
public void connect() {}
public InputStream getInputStream() throws IOException {
if (url == null) {
throw new MalformedURLException("Null or empty classpath URL");
} else if (url.getHost() != null) {
throw new MalformedURLException("No host available in classpath URLs");
}
InputStream is = ClasspathURLStreamHandler.class.getClassLoader().
getResourceAsStream(url.getFile());
if (is == null) {
throw new IOException("Classpath resource not found: " + url);
}
return is;
}
public OutputStream getOutputStream() {
throw new UnsupportedOperationException();
}
}
}