1 files changed, 126 insertions, 0 deletions
diff --git a/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionLoader.java b/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionLoader.java
new file mode 100644
index 0000000000..eef4bd30af
--- /dev/null
+++ b/branches/sca-java-integration/sca/kernel/core/src/main/java/org/apache/tuscany/core/services/deployment/ContributionLoader.java
@@ -0,0 +1,126 @@
+/*
+ * 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.core.services.deployment;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+import static org.osoa.sca.Constants.SCA_NS;
+
+import java.net.URI;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamConstants;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.spi.annotation.Autowire;
+import org.apache.tuscany.spi.component.CompositeComponent;
+import org.apache.tuscany.spi.deployer.DeploymentContext;
+import org.apache.tuscany.spi.extension.LoaderExtension;
+import org.apache.tuscany.spi.loader.InvalidValueException;
+import org.apache.tuscany.spi.loader.LoaderException;
+import org.apache.tuscany.spi.loader.LoaderRegistry;
+import org.apache.tuscany.spi.model.Contribution;
+import org.apache.tuscany.spi.model.ContributionImport;
+import org.apache.tuscany.spi.model.ModelObject;
+import org.osoa.sca.annotations.Constructor;
+
+/**
+ * Loader that handles &lt;include&gt; elements.
+ * 
+ * @version $Rev$ $Date$
+ */
+public class ContributionLoader extends LoaderExtension<Contribution> {
+    private static final QName CONTRIBUTION = new QName(SCA_NS, "contribution");
+    private static final QName DEPLOYABLE = new QName(SCA_NS, "deployable");
+    private static final QName IMPORT = new QName(SCA_NS, "import");
+    private static final QName EXPORT = new QName(SCA_NS, "export");
+
+    @Constructor({"registry"})
+    public ContributionLoader(@Autowire LoaderRegistry registry) {
+        super(registry);
+    }
+
+    public QName getXMLType() {
+        return CONTRIBUTION;
+    }
+
+    public Contribution load(CompositeComponent parent,
+                             ModelObject object,
+                             XMLStreamReader reader,
+                             DeploymentContext deploymentContext) throws XMLStreamException, LoaderException {
+
+        Contribution contribution = new Contribution();
+        while (true) {
+            int event = reader.next();
+            switch (event) {
+                case START_ELEMENT:
+                    QName element = reader.getName();
+                    if (DEPLOYABLE.equals(element)) {
+                        String name = reader.getAttributeValue(null, "composite");
+                        if (name == null) {
+                            throw new InvalidValueException("Attribute 'composite' is missing");
+                        }
+                        QName compositeName = null;
+                        int index = name.indexOf(':');
+                        if (index != -1) {
+                            String prefix = name.substring(0, index);
+                            String localPart = name.substring(index);
+                            String ns = reader.getNamespaceContext().getNamespaceURI(prefix);
+                            if (ns == null) {
+                                throw new InvalidValueException("Invalid prefix: " + prefix);
+                            }
+                            compositeName = new QName(ns, localPart, prefix);
+                        } else {
+                            String prefix = "";
+                            String ns = reader.getNamespaceURI();
+                            String localPart = name;
+                            compositeName = new QName(ns, localPart, prefix);
+                        }
+                        contribution.getDeployables().add(compositeName);
+                    } else if (IMPORT.equals(element)) {
+                        String ns = reader.getAttributeValue(null, "namespace");
+                        if (ns == null) {
+                            throw new InvalidValueException("Attribute 'namespace' is missing");
+                        }
+                        String location = reader.getAttributeValue(null, "location");
+                        ContributionImport contributionImport = new ContributionImport();
+                        if (location != null) {
+                            contributionImport.setLocation(URI.create(location));
+                        }
+                        contributionImport.setNamespace(ns);
+                        contribution.getImports().add(contributionImport);
+                    } else if (EXPORT.equals(element)) {
+                        String ns = reader.getAttributeValue(null, "namespace");
+                        if (ns == null) {
+                            throw new InvalidValueException("Attribute 'namespace' is missing");
+                        }
+                        contribution.getExports().add(ns);
+                    }
+                    break;
+                case XMLStreamConstants.END_ELEMENT:
+                    if (CONTRIBUTION.equals(reader.getName())) {
+                        return contribution;
+                    }
+                    break;
+
+            }
+        }
+    }
+
+}