org.glassfish.jersey.server.internal.scanning.VfsSchemeResourceFinderFactory Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of jersey-all Show documentation
Show all versions of jersey-all Show documentation
jersey-all is a rebundled verison of Jersey as one OSGi bundle.
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* http://glassfish.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package org.glassfish.jersey.server.internal.scanning;
import java.io.FilterInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.net.URI;
import java.net.URL;
import java.util.Arrays;
import java.util.HashSet;
import java.util.Set;
import javax.ws.rs.core.UriBuilder;
import org.glassfish.jersey.server.ResourceFinder;
/**
* A JBoss-based "vfsfile", "vfs" and "vfszip" scheme URI scanner.
*
* @author Paul Sandoz
*/
class VfsSchemeResourceFinderFactory implements UriSchemeResourceFinderFactory {
public Set getSchemes() {
return new HashSet(Arrays.asList("vfsfile", "vfszip", "vfs"));
}
VfsSchemeResourceFinderFactory() {
}
@Override
public VfsSchemeScanner create(final URI uri, boolean recursive) {
ResourceFinderStack resourceFinderStack = new ResourceFinderStack();
if (!uri.getScheme().equalsIgnoreCase("vfszip")) {
resourceFinderStack.push(
new FileSchemeResourceFinderFactory().create(UriBuilder.fromUri(uri).scheme("file").build(), true));
} else {
final String su = uri.toString();
final int webInfIndex = su.indexOf("/WEB-INF/classes");
if (webInfIndex != -1) {
final String war = su.substring(0, webInfIndex);
final String path = su.substring(webInfIndex + 1);
final int warParentIndex = war.lastIndexOf('/');
final String warParent = su.substring(0, warParentIndex);
// Check is there is a war within an ear
// If so we need to load the ear then obtain the InputStream
// of the entry to the war
if (warParent.endsWith(".ear")) {
final String warName = su.substring(warParentIndex + 1, war.length());
try {
final JarFileScanner jarFileScanner =
new JarFileScanner(new URL(warParent.replace("vfszip", "file")).openStream(), "", true);
while (jarFileScanner.hasNext()) {
if (jarFileScanner.next().equals(warName)) {
resourceFinderStack.push(new JarFileScanner(new FilterInputStream(jarFileScanner.open()) {
// This is required so that the underlying ear
// is not closed
@Override
public void close() throws IOException {
}
}, "", true));
}
}
} catch (IOException e) {
throw new ResourceFinderException("IO error when scanning war " + uri, e);
}
} else {
try {
resourceFinderStack.push(
new JarFileScanner(new URL(war.replace("vfszip", "file")).openStream(), path, recursive));
} catch (IOException e) {
throw new ResourceFinderException("IO error when scanning war " + uri, e);
}
}
} else {
try {
resourceFinderStack.push(new JarFileScanner(new URL(su).openStream(), "", true));
} catch (IOException e) {
throw new ResourceFinderException("IO error when scanning jar " + uri, e);
}
}
}
return new VfsSchemeScanner(resourceFinderStack);
}
private class VfsSchemeScanner implements ResourceFinder {
private final ResourceFinderStack resourceFinderStack;
private VfsSchemeScanner(final ResourceFinderStack resourceFinderStack) {
this.resourceFinderStack = resourceFinderStack;
}
@Override
public boolean hasNext() {
return resourceFinderStack.hasNext();
}
@Override
public String next() {
return resourceFinderStack.next();
}
@Override
public void remove() {
resourceFinderStack.next();
}
@Override
public InputStream open() {
return resourceFinderStack.open();
}
@Override
public void reset() {
resourceFinderStack.reset();
}
}
}