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/**
* SCA4J
* Copyright (c) 2009 - 2099 Service Symphony Ltd
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the license
* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* 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.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
*
* Original Codehaus Header
*
* Copyright (c) 2007 - 2008 fabric3 project contributors
*
* Licensed to you under the Apache License, Version 2.0 (the "License"); you may
* not use this file except in compliance with the License. A copy of the license
* is included in this distrubtion or you may obtain a copy at
*
* http://www.opensource.org/licenses/apache2.0.php
*
* 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.
*
* This project contains code licensed from the Apache Software Foundation under
* the Apache License, Version 2.0 and original code from project contributors.
*
* Original Apache Header
*
* Copyright (c) 2005 - 2006 The Apache Software Foundation
*
* Apache Tuscany is an effort undergoing incubation at The Apache Software
* Foundation (ASF), sponsored by the Apache Web Services PMC. Incubation is
* required of all newly accepted projects until a further review indicates that
* the infrastructure, communications, and decision making process have stabilized
* in a manner consistent with other successful ASF projects. While incubation
* status is not necessarily a reflection of the completeness or stability of the
* code, it does indicate that the project has yet to be fully endorsed by the ASF.
*
* This product includes software developed by
* The Apache Software Foundation (http://www.apache.org/).
*/
package org.sca4j.maven.contribution;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import org.osoa.sca.annotations.EagerInit;
import org.osoa.sca.annotations.Init;
import org.osoa.sca.annotations.Reference;
import org.sca4j.fabric.util.FileHelper;
import org.sca4j.host.contribution.ContributionException;
import org.sca4j.host.contribution.ValidationFailure;
import org.sca4j.introspection.DefaultIntrospectionContext;
import org.sca4j.introspection.IntrospectionContext;
import org.sca4j.introspection.xml.Loader;
import org.sca4j.introspection.xml.LoaderException;
import org.sca4j.scdl.ValidationContext;
import org.sca4j.spi.services.contenttype.ContentTypeResolutionException;
import org.sca4j.spi.services.contenttype.ContentTypeResolver;
import org.sca4j.spi.services.contribution.Action;
import org.sca4j.spi.services.contribution.Contribution;
import org.sca4j.spi.services.contribution.ContributionManifest;
import org.sca4j.spi.services.contribution.ContributionProcessor;
import org.sca4j.spi.services.contribution.ProcessorRegistry;
import org.sca4j.spi.services.contribution.Resource;
/**
* Processes a Maven module directory.
*
* @version $Rev: 4877 $ $Date: 2008-06-22 11:44:45 +0100 (Sun, 22 Jun 2008) $
*/
@EagerInit
public class ModuleContributionProcessor implements ContributionProcessor {
public static final List CONTENT_TYPES = initializeContentTypes();
private ProcessorRegistry registry;
private ContentTypeResolver contentTypeResolver;
private Loader loader;
public ModuleContributionProcessor(@Reference ProcessorRegistry registry,
@Reference ContentTypeResolver contentTypeResolver,
@Reference Loader loader) {
this.registry = registry;
this.contentTypeResolver = contentTypeResolver;
this.loader = loader;
}
public List getContentTypes() {
return CONTENT_TYPES;
}
@Init
public void init() {
registry.register(this);
}
public void process(Contribution contribution, ValidationContext context, ClassLoader loader) throws ContributionException {
ClassLoader oldClassloader = Thread.currentThread().getContextClassLoader();
URI contributionUri = contribution.getUri();
try {
Thread.currentThread().setContextClassLoader(loader);
for (Resource resource : contribution.getResources()) {
if (!resource.isProcessed()) {
registry.processResource(contributionUri, resource, context, loader);
}
}
} finally {
Thread.currentThread().setContextClassLoader(oldClassloader);
}
}
public void processManifest(Contribution contribution, final ValidationContext context) throws ContributionException {
ContributionManifest manifest;
try {
URL sourceUrl = contribution.getLocation();
URL manifestURL = new URL(sourceUrl.toExternalForm() + "/classes/META-INF/sca-contribution.xml");
ClassLoader cl = getClass().getClassLoader();
URI uri = contribution.getUri();
IntrospectionContext childContext = new DefaultIntrospectionContext(cl, uri, null);
manifest = loader.load(manifestURL, ContributionManifest.class, childContext);
if (childContext.hasErrors()) {
context.addErrors(childContext.getErrors());
}
if (childContext.hasWarnings()) {
context.addWarnings(childContext.getWarnings());
}
} catch (LoaderException e) {
if (e.getCause() instanceof FileNotFoundException) {
manifest = new ContributionManifest();
} else {
throw new ContributionException(e);
}
} catch (MalformedURLException e) {
manifest = new ContributionManifest();
}
contribution.setManifest(manifest);
iterateArtifacts(contribution, context, new Action() {
public void process(Contribution contribution, String contentType, URL url)
throws ContributionException {
InputStream stream = null;
try {
stream = url.openStream();
registry.processManifestArtifact(contribution.getManifest(), contentType, stream, context);
} catch (IOException e) {
throw new ContributionException(e);
} finally {
try {
if (stream != null) {
stream.close();
}
} catch (IOException e) {
e.printStackTrace();
}
}
}
});
}
public void index(Contribution contribution, final ValidationContext context) throws ContributionException {
iterateArtifacts(contribution, context, new Action() {
public void process(Contribution contribution, String contentType, URL url)
throws ContributionException {
registry.indexResource(contribution, contentType, url, context);
}
});
}
private void iterateArtifacts(Contribution contribution, final ValidationContext context, Action action) throws ContributionException {
File root = FileHelper.toFile(contribution.getLocation());
assert root.isDirectory();
iterateArtifactsResursive(contribution, context, action, root);
}
private void iterateArtifactsResursive(Contribution contribution, final ValidationContext context, Action action, File dir) throws ContributionException {
File[] files = dir.listFiles();
for (File file : files) {
if (file.isDirectory()) {
iterateArtifactsResursive(contribution, context, action, file);
} else {
try {
URL entryUrl = file.toURI().toURL();
String contentType = contentTypeResolver.getContentType(entryUrl);
action.process(contribution, contentType, entryUrl);
} catch (MalformedURLException e) {
context.addWarning(new ContributionIndexingFailure(file, e));
} catch (IOException e) {
context.addWarning(new ContributionIndexingFailure(file, e));
} catch (ContentTypeResolutionException e) {
context.addWarning(new ContributionIndexingFailure(file, e));
}
}
}
}
private static List initializeContentTypes() {
List list = new ArrayList(1);
list.add("application/vnd.sca4j.maven-project");
return list;
}
}
