From 5b67e082ce57df77acc72cd36569a05c9a2fa347 Mon Sep 17 00:00:00 2001
From: slaws <slaws@13f79535-47bb-0310-9956-ffa450edef68>
Date: Mon, 6 Jul 2009 07:23:44 +0000
Subject: Branch for 1.5.1

git-svn-id: http://svn.us.apache.org/repos/asf/tuscany@791397 13f79535-47bb-0310-9956-ffa450edef68
---
 .../XMLStreamReader2CallableReference.java         | 100 +++++++++++++++++++++
 1 file changed, 100 insertions(+)
 create mode 100644 branches/sca-java-1.5.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/XMLStreamReader2CallableReference.java

(limited to 'branches/sca-java-1.5.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/XMLStreamReader2CallableReference.java')

diff --git a/branches/sca-java-1.5.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/XMLStreamReader2CallableReference.java b/branches/sca-java-1.5.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/XMLStreamReader2CallableReference.java
new file mode 100644
index 0000000000..841efa9398
--- /dev/null
+++ b/branches/sca-java-1.5.1/modules/core-databinding/src/main/java/org/apache/tuscany/sca/core/databinding/transformers/XMLStreamReader2CallableReference.java
@@ -0,0 +1,100 @@
+/*
+ * 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.core.databinding.transformers;
+
+import static javax.xml.stream.XMLStreamConstants.START_ELEMENT;
+
+import java.lang.reflect.Constructor;
+
+import javax.xml.namespace.QName;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamReader;
+
+import org.apache.tuscany.sca.core.context.CallableReferenceImpl;
+import org.apache.tuscany.sca.core.context.ServiceReferenceImpl;
+import org.apache.tuscany.sca.databinding.PullTransformer;
+import org.apache.tuscany.sca.databinding.TransformationContext;
+import org.apache.tuscany.sca.databinding.TransformationException;
+import org.apache.tuscany.sca.databinding.impl.BaseTransformer;
+import org.osoa.sca.CallableReference;
+
+@SuppressWarnings("unchecked")
+public class XMLStreamReader2CallableReference extends BaseTransformer<XMLStreamReader, CallableReference>
+            implements PullTransformer<XMLStreamReader, CallableReference> {
+
+    private static final String SCA10_NS = "http://www.osoa.org/xmlns/sca/1.0";
+    private static final String COMPOSITE = "composite";
+    public static final QName COMPOSITE_QNAME = new QName(SCA10_NS, COMPOSITE);
+    
+    public CallableReference transform(XMLStreamReader source, TransformationContext context) {
+        try {
+            if (source != null) {
+                skipTopLevelElement(source);
+                Class refType = context.getTargetDataType().getPhysical();
+                Class implType;
+                if (refType.isAssignableFrom(CallableReferenceImpl.class)) {
+                    implType = CallableReferenceImpl.class;
+                } else if (refType.isAssignableFrom(ServiceReferenceImpl.class)) {
+                    implType = ServiceReferenceImpl.class;
+                } else {   
+                    throw new TransformationException("Unrecognized transformation target type");
+                }
+                Constructor constructor = implType.getConstructor(new Class[] {XMLStreamReader.class});
+                return (CallableReference)constructor.newInstance(new Object[] {source});
+            } else {
+                return null;
+            }
+        } catch (Exception e) {
+            throw new TransformationException(e);
+        }
+    }
+
+    /*
+     * Step over top-level element added by CallableReference2XMLStreamReader
+     */
+    private void skipTopLevelElement(XMLStreamReader source) throws XMLStreamException {
+        while (source.hasNext()) {
+            int event = source.getEventType();
+            if (event == START_ELEMENT) {
+                QName name = source.getName();
+                if (COMPOSITE_QNAME.equals(name)) {
+                    return;
+                }
+            }
+            source.next();
+        }
+        throw new TransformationException("<composite> element not found");
+    }
+
+    @Override
+    protected Class<XMLStreamReader> getSourceType() {
+        return XMLStreamReader.class;
+    }
+
+    @Override
+    protected Class<CallableReference> getTargetType() {
+        return CallableReference.class;
+    }
+
+    @Override
+    public int getWeight() {
+        return 10;
+    }
+
+}
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