1 files changed, 83 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java b/sca-java-2.x/tags/2.0.1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java
new file mode 100644
index 0000000000..835783612a
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/host-webapp/src/main/java/org/apache/tuscany/sca/host/webapp/WebAppContributionScanner.java
@@ -0,0 +1,83 @@
+/*
+ * 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);
+        }
+    }
+
+}