org.jboss.modules.PathResource Maven / Gradle / Ivy
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* JBoss, Home of Professional Open Source.
* Copyright 2016 Red Hat, Inc., and individual contributors
* as indicated by the @author tags.
*
* Licensed 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.jboss.modules;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.security.AccessControlContext;
import static org.jboss.modules.PathResourceLoader.doPrivilegedIfNeeded;
/**
* Java NIO Path-based Resource
*
* @author Sergei Egorov
*/
class PathResource implements Resource {
private final Path path;
private final String name;
private final AccessControlContext context;
PathResource(Path path, final String name, AccessControlContext context) {
this.path = path;
this.name = name;
this.context = context;
}
@Override
public String getName() {
return name;
}
@Override
public URL getURL() {
return doPrivilegedIfNeeded(context, () -> {
final URL url = path.toUri().toURL();
url.openConnection().connect();
return url;
});
}
@Override
public InputStream openStream() throws IOException {
return doPrivilegedIfNeeded(context, IOException.class, () -> Files.newInputStream(path));
}
@Override
public long getSize() {
try {
return doPrivilegedIfNeeded(context, IOException.class, () -> Files.size(path));
} catch (IOException e) {
return 0;
}
}
}