/**
* 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.metamodel.util;
import java.io.InputStream;
import java.io.OutputStream;
import java.io.Serializable;
import java.net.URI;
import java.net.URISyntaxException;
import java.net.URL;
/**
* Resource based on URL or URI.
*/
public class UrlResource extends AbstractResource implements Serializable {
private static final long serialVersionUID = 1L;
private final URI _uri;
public UrlResource(URL url) {
try {
_uri = url.toURI();
} catch (URISyntaxException e) {
throw new IllegalStateException(e);
}
}
public UrlResource(URI uri) {
_uri = uri;
}
public UrlResource(String urlString) {
try {
_uri = new URI(urlString);
} catch (URISyntaxException e) {
throw new IllegalStateException(e);
}
}
@Override
public String toString() {
return "UrlResource[" + _uri + "]";
}
/**
* Gets the URI associated with this resource.
*
* @return
*/
public URI getUri() {
return _uri;
}
@Override
public String getName() {
final String name = _uri.toString();
final int lastSlash = name.lastIndexOf('/');
final int lastBackSlash = name.lastIndexOf('\\');
final int lastIndex = Math.max(lastSlash, lastBackSlash);
if (lastIndex != -1) {
final String lastPart = name.substring(lastIndex + 1);
if (!"".equals(lastPart)) {
return lastPart;
}
}
return name;
}
@Override
public String getQualifiedPath() {
return _uri.toString();
}
@Override
public boolean isReadOnly() {
return true;
}
@Override
public OutputStream write() throws ResourceException {
throw new UnsupportedOperationException();
}
@Override
public OutputStream append() throws ResourceException {
throw new UnsupportedOperationException();
}
@Override
public boolean isExists() {
return true;
}
@Override
public long getSize() {
return -1;
}
@Override
public long getLastModified() {
return -1;
}
@Override
public InputStream read() throws ResourceException {
try {
return _uri.toURL().openStream();
} catch (Exception e) {
throw new ResourceException(this, "Failed to open InputStream", e);
}
}
}