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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.impl;
import java.io.BufferedOutputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.StringReader;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.zip.ZipEntry;
import java.util.zip.ZipInputStream;
import javax.xml.stream.XMLStreamException;
import org.apache.tuscany.sca.TuscanyRuntime;
import org.apache.tuscany.sca.contribution.Contribution;
import org.apache.tuscany.sca.contribution.ContributionMetadata;
import org.apache.tuscany.sca.contribution.processor.ContributionReadException;
import org.apache.tuscany.sca.deployment.Deployer;
import org.apache.tuscany.sca.monitor.Monitor;
import org.apache.tuscany.sca.monitor.ValidationException;
public class DependencyUtils {
public static List<String> getDependencies(String contributionURI, Map<String, ZipInputStream> possibles) throws ValidationException, IOException, ContributionReadException, XMLStreamException {
Deployer deployer = TuscanyRuntime.newInstance().getDeployer();
Map<String, ContributionMetadata> contributionMetaDatas = new HashMap<String, ContributionMetadata>();
for (String curi : possibles.keySet()) {
ZipInputStream zis = possibles.get(curi);
ZipEntry entry;
while ((entry = zis.getNextEntry()) != null) {
if (Contribution.SCA_CONTRIBUTION_META.equals(entry.getName())) {
byte[] buffer = new byte[2048];
ByteArrayOutputStream baos = new ByteArrayOutputStream();
BufferedOutputStream bos = new BufferedOutputStream(baos, buffer.length);
int size;
while ((size = zis.read(buffer, 0, buffer.length)) != -1) {
bos.write(buffer, 0, size);
}
bos.close();
contributionMetaDatas.put(curi, (ContributionMetadata)deployer.loadXMLDocument(new StringReader(baos.toString())));
}
}
zis.close(); // close it so no one tries to reuse the already read stream
}
Monitor monitor = deployer.createMonitor();
try {
return deployer.getDependencies(contributionMetaDatas, contributionURI, monitor);
} finally {
monitor.analyzeProblems();
}
}
}
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