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/*
* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.tuscany.sca.contribution.processor;
import java.io.IOException;
import java.io.InputStream;
import java.net.MalformedURLException;
import java.net.URI;
import java.net.URL;
import java.util.List;
import org.apache.tuscany.sca.contribution.service.ContributionException;
import org.apache.tuscany.sca.contribution.service.TypeDescriber;
import org.apache.tuscany.sca.contribution.service.UnsupportedContentTypeException;
/**
* Default implementation of PackageProcessor.
*
* This implementation has a packageProcessorExtensionPoint
* and it delegates to the proper package processor based on content type
*
* @version $Rev$ $Date$
*/
public class ExtensiblePackageProcessor implements PackageProcessor {
private PackageProcessorExtensionPoint processors;
/**
* Helper method to describe contentType for each artifact
*/
private TypeDescriber packageTypeDescriber;
public ExtensiblePackageProcessor(PackageProcessorExtensionPoint processors, TypeDescriber packageTypeDescriber) {
this.processors = processors;
this.packageTypeDescriber = packageTypeDescriber;
}
public List<URI> getArtifacts(URL packageSourceURL, InputStream inputStream)
throws ContributionException, IOException {
String contentType = this.packageTypeDescriber.getType(packageSourceURL, null);
if (contentType == null) {
throw new UnsupportedContentTypeException("Unsupported contribution package", packageSourceURL.toString());
}
PackageProcessor packageProcessor = this.processors.getPackageProcessor(contentType);
if (packageProcessor == null) {
throw new UnsupportedContentTypeException(contentType, packageSourceURL.getPath());
}
return packageProcessor.getArtifacts(packageSourceURL, inputStream);
}
public URL getArtifactURL(URL packageSourceURL, URI artifact) throws MalformedURLException {
String contentType = this.packageTypeDescriber.getType(packageSourceURL, null);
PackageProcessor packageProcessor = this.processors.getPackageProcessor(contentType);
return packageProcessor.getArtifactURL(packageSourceURL, artifact);
}
public String getPackageType() {
return null;
}
}
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