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WildFly Swarm: JAX-RS API
/**
* Copyright 2015-2016 Red Hat, Inc, and individual contributors.
*
* 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.wildfly.swarm.jaxrs.internal;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.util.Map;
import java.util.logging.Logger;
import org.jboss.shrinkwrap.api.Archive;
import org.jboss.shrinkwrap.api.ArchiveEvent;
import org.jboss.shrinkwrap.api.ArchiveEventHandler;
import org.jboss.shrinkwrap.api.ArchivePath;
import org.jboss.shrinkwrap.api.ArchivePaths;
import org.jboss.shrinkwrap.api.Filter;
import org.jboss.shrinkwrap.api.Node;
import org.jboss.shrinkwrap.api.asset.ArchiveAsset;
import org.jboss.shrinkwrap.api.asset.Asset;
import org.jboss.shrinkwrap.api.asset.ByteArrayAsset;
import org.jboss.shrinkwrap.impl.base.container.WebContainerBase;
import org.jboss.shrinkwrap.impl.base.spec.WebArchiveImpl;
import org.objectweb.asm.ClassReader;
import org.wildfly.swarm.container.internal.AddPackageWarning;
import org.wildfly.swarm.jaxrs.JAXRSArchive;
/**
* @author Bob McWhirter
* @author Ken Finnigan
*/
public class JAXRSArchiveImpl extends WebContainerBase implements JAXRSArchive {
// -------------------------------------------------------------------------------------||
// Class Members ----------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* Create a new JAXRS Archive with any type storage engine as backing.
*
* @param delegate The storage backing.
*/
public JAXRSArchiveImpl(Archive delegate) {
super(JAXRSArchive.class, delegate);
setDefaultContextRoot();
addGeneratedApplication();
addFaviconExceptionHandler();
}
@Override
public JAXRSArchive addResource(Class resource) {
addClass(resource);
return covarientReturn();
}
private static boolean hasApplicationPathAnnotation(ArchivePath path, Asset asset) {
if (asset == null) {
return false;
}
if ( asset instanceof ArchiveAsset) {
return hasApplicationPathAnnotation( ((ArchiveAsset) asset).getArchive() );
}
if (!path.get().endsWith(".class")) {
return false;
}
try (InputStream in = asset.openStream()) {
ClassReader reader = new ClassReader(in);
AnnotationSeekingClassVisitor visitor = new AnnotationSeekingClassVisitor();
reader.accept(visitor, 0);
return visitor.isFound();
} catch (FileNotFoundException e) {
} catch (IOException e) {
}
return false;
}
private static boolean hasApplicationPathAnnotation(Archive archive) {
Map content = archive.getContent();
for (Map.Entry entry : content.entrySet()) {
Node node = entry.getValue();
Asset asset = node.getAsset();
if (hasApplicationPathAnnotation(node.getPath(), asset)) {
return true;
}
}
return false;
}
protected void addGeneratedApplication() {
if (!hasApplicationPathAnnotation(getArchive())) {
String name = "org.wildfly.swarm.generated.WildFlySwarmDefaultJAXRSApplication";
String path = "WEB-INF/classes/" + name.replace('.', '/') + ".class";
byte[] generatedApp = new byte[0];
try {
generatedApp = ApplicationFactory2.create(name, "/");
add(new ByteArrayAsset(generatedApp), path);
addHandlers(new ApplicationHandler(this, path));
} catch (IOException e) {
e.printStackTrace();
}
}
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.ContainerBase#getManifestPath()
*/
@Override
protected ArchivePath getManifestPath() {
return PATH_MANIFEST;
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.ContainerBase#getClassesPath()
*/
@Override
protected ArchivePath getClassesPath() {
return PATH_CLASSES;
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.ContainerBase#getResourcePath()
*/
@Override
protected ArchivePath getResourcePath() {
return PATH_RESOURCE;
}
// -------------------------------------------------------------------------------------||
// Instance Members -------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
// Constructor ------------------------------------------------------------------------||
// -------------------------------------------------------------------------------------||
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.ContainerBase#getLibraryPath()
*/
@Override
protected ArchivePath getLibraryPath() {
return PATH_LIBRARY;
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.WebContainerBase#getWebPath()
*/
@Override
protected ArchivePath getWebPath() {
return PATH_WEB;
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.WebContainerBase#getWebInfPath()
*/
@Override
protected ArchivePath getWebInfPath() {
return PATH_WEB_INF;
}
/**
* {@inheritDoc}
*
* @see org.jboss.shrinkwrap.impl.base.container.WebContainerBase#getWebInfPath()
*/
@Override
protected ArchivePath getServiceProvidersPath() {
return PATH_SERVICE_PROVIDERS;
}
@Override
public JAXRSArchive addPackage(Package pack) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackage(pack);
}
@Override
public JAXRSArchive addPackage(String pack) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackage(pack);
}
@Override
public JAXRSArchive addPackages(boolean recursive, Filter filter, String... packageNames) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackages(recursive, filter, packageNames);
}
@Override
public JAXRSArchive addPackages(boolean recursive, Filter filter, Package... packages) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackages(recursive, filter, packages);
}
@Override
public JAXRSArchive addPackages(boolean recursive, Package... packages) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackages(recursive, packages);
}
@Override
public JAXRSArchive addPackages(boolean recursive, String... packages) throws IllegalArgumentException {
AddPackageWarning.addPackage();
return super.addPackages(recursive, packages);
}
@Override
public JAXRSArchive addDefaultPackage() {
AddPackageWarning.addPackage();
return super.addDefaultPackage();
}
// -------------------------------------------------------------------------------------||
// Required Implementations -----------------------------------------------------------||
// -------------------------------------------------------------------------------------||
@SuppressWarnings("unused")
private static final Logger log = Logger.getLogger(WebArchiveImpl.class.getName());
/**
* Path to the web inside of the Archive.
*/
private static final ArchivePath PATH_WEB = ArchivePaths.root();
/**
* Path to the WEB-INF inside of the Archive.
*/
private static final ArchivePath PATH_WEB_INF = ArchivePaths.create("WEB-INF");
/**
* Path to the resources inside of the Archive.
*/
private static final ArchivePath PATH_RESOURCE = ArchivePaths.create(PATH_WEB_INF, "classes");
/**
* Path to the libraries inside of the Archive.
*/
private static final ArchivePath PATH_LIBRARY = ArchivePaths.create(PATH_WEB_INF, "lib");
/**
* Path to the classes inside of the Archive.
*/
private static final ArchivePath PATH_CLASSES = ArchivePaths.create(PATH_WEB_INF, "classes");
/**
* Path to the manifests inside of the Archive.
*/
private static final ArchivePath PATH_MANIFEST = ArchivePaths.create("META-INF");
/**
* Path to web archive service providers.
*/
private static final ArchivePath PATH_SERVICE_PROVIDERS = ArchivePaths.create(PATH_CLASSES, "META-INF/services");
public static class ApplicationHandler implements ArchiveEventHandler {
public ApplicationHandler(JAXRSArchive archive, String path) {
this.archive = archive;
this.path = path;
}
@Override
public void handle(ArchiveEvent event) {
Asset asset = event.getAsset();
if (hasApplicationPathAnnotation(event.getPath(), asset)) {
this.archive.delete(this.path);
}
}
private final JAXRSArchive archive;
private final String path;
}
}