1 files changed, 76 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java b/sca-java-2.x/tags/2.0.1-RC1/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java
new file mode 100644
index 0000000000..08c426da42
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/domain-node/src/main/java/org/apache/tuscany/sca/impl/DependencyUtils.java
@@ -0,0 +1,76 @@
+/*
+ * 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();
+        }
+    }
+}