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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.host.webapp;
import java.net.URI;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import javax.servlet.ServletContext;
import org.apache.tuscany.sca.contribution.Artifact;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionFactory;
import org.apache.tuscany.sca.contribution.PackageType;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.contribution.scanner.ContributionScanner;
import org.apache.tuscany.sca.core.ExtensionPointRegistry;
import org.apache.tuscany.sca.core.FactoryExtensionPoint;
import org.apache.tuscany.sca.core.UtilityExtensionPoint;
/**
*
*/
public class WebAppContributionScanner implements ContributionScanner {
private ServletContext servletContext;
private ContributionFactory contributionFactory;
public WebAppContributionScanner(ExtensionPointRegistry registry) {
super();
this.servletContext = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(ServletContext.class);
this.contributionFactory =
registry.getExtensionPoint(FactoryExtensionPoint.class).getFactory(ContributionFactory.class);
}
public String getContributionType() {
return PackageType.WAR;
}
public List<Artifact> scan(Contribution contribution) throws ContributionReadException {
try {
List<Artifact> artifacts = new ArrayList<Artifact>();
URL location = new URL(contribution.getLocation());
URL root = servletContext.getResource("/");
URI relative = root.toURI().relativize(location.toURI());
String path = relative.getPath();
if (!path.startsWith("/")) {
path = "/" + path;
}
for (Object file : servletContext.getResourcePaths(path)) {
Artifact artifact = contributionFactory.createArtifact();
String name = (String)file;
// Remove leading /
name = name.substring(1);
artifact.setURI(name);
URL artifactURL = new URL(location, name);
artifact.setLocation(artifactURL.toString());
artifacts.add(artifact);
}
return artifacts;
} catch (Exception e) {
throw new ContributionReadException(e);
}
}
}
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