org.jboss.modules.JarEntryResource Maven / Gradle / Ivy
/*
* JBoss, Home of Professional Open Source.
* Copyright 2010, Red Hat, Inc., and individual contributors
* as indicated by the @author tags. See the copyright.txt file in the
* distribution for a full listing of individual contributors.
*
* This is free software; you can redistribute it and/or modify it
* under the terms of the GNU Lesser General Public License as
* published by the Free Software Foundation; either version 2.1 of
* the License, or (at your option) any later version.
*
* This software is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this software; if not, write to the Free
* Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
* 02110-1301 USA, or see the FSF site: http://www.fsf.org.
*/
package org.jboss.modules;
import java.io.IOException;
import java.io.InputStream;
import java.net.URL;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
/**
*
* @author David M. Lloyd
*/
final class JarEntryResource implements Resource {
private final JarFile jarFile;
private final JarEntry entry;
private final URL resourceURL;
JarEntryResource(final JarFile jarFile, final JarEntry entry, final URL resourceURL) {
this.jarFile = jarFile;
this.entry = entry;
this.resourceURL = resourceURL;
}
public String getName() {
return entry.getName();
}
public URL getURL() {
return resourceURL;
}
public InputStream openStream() throws IOException {
return jarFile.getInputStream(entry);
}
public long getSize() {
final long size = entry.getSize();
return size == -1 ? 0 : size;
}
}