1 files changed, 225 insertions, 0 deletions
diff --git a/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java
new file mode 100644
index 0000000000..b56af79b0b
--- /dev/null
+++ b/sca-java-2.x/tags/2.0.1-RC1/modules/implementation-script-runtime/src/main/java/org/apache/tuscany/sca/implementation/script/provider/ScriptPropertyFactory.java
@@ -0,0 +1,225 @@
+/*
+ * 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.implementation.script.provider;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.core.factory.ObjectCreationException;
+import org.apache.tuscany.sca.core.factory.ObjectFactory;
+import org.apache.tuscany.sca.databinding.Mediator;
+import org.apache.tuscany.sca.databinding.SimpleTypeMapper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+
+/**
+ * A property factory for script properties.
+ *
+ * @version $Rev$ $Date$
+ */
+public class ScriptPropertyFactory {
+    private Mediator mediator = null;
+    private SimpleTypeMapper simpleTypeMapper;
+    boolean isSimpleType;
+    
+    public ScriptPropertyFactory(Mediator mediator, SimpleTypeMapper simpleTypeMapper) {
+        this.mediator = mediator;
+        this.simpleTypeMapper = simpleTypeMapper;
+    }
+    
+    public ObjectFactory createValueFactory(Property property) {
+        isSimpleType = isSimpleType(property);
+        Document doc = (Document)property.getValue();
+        Element rootElement = doc.getDocumentElement();
+        
+        //FIXME : since scripts use dynamic types we need to generate a dynamic java type using the 
+        //XML structure of the property value.  Should this be done in the JavaBeansDataBinding... 
+        Class javaType = null;
+        
+        if (property.isMany()) {
+            if (isSimpleType) {
+                String value = "";
+                if (rootElement.getChildNodes().getLength() > 0) {
+                    value = rootElement.getChildNodes().item(0).getTextContent();
+                }
+                List<String> values = 
+                    getSimplePropertyValues(value, javaType);
+                return new ListObjectFactoryImpl(property, 
+                                                 values,
+                                                 isSimpleType,
+                                                 javaType);
+            } else {
+                return new ListObjectFactoryImpl(property,
+                                                 getComplexPropertyValues(doc),
+                                                 isSimpleType,
+                                                 javaType);
+            }
+        } else {
+            if (isSimpleType) {
+                String value = "";
+                if (rootElement.getChildNodes().getLength() > 0) {
+                    value = rootElement.getChildNodes().item(0).getTextContent();
+                }
+                return new ObjectFactoryImpl(property,
+                                             value,
+                                             isSimpleType,
+                                             javaType);
+            } else {
+                Object value = getComplexPropertyValues(doc).get(0);
+                return new ObjectFactoryImpl(property,
+                                             value,
+                                             isSimpleType,
+                                             javaType);
+            }
+            
+        }
+    }
+    
+    private boolean isSimpleType(Property property) {
+        if (property.getXSDType() != null) {
+            return simpleTypeMapper.isSimpleXSDType(property.getXSDType());
+        } else {
+            if (property instanceof Document) {
+                Document doc = (Document)property;
+                Element element = doc.getDocumentElement(); 
+                if (element.getChildNodes().getLength() == 1 && 
+                    element.getChildNodes().item(0).getNodeType() == Node.TEXT_NODE) {
+                    return true;
+                }
+            }
+        }
+        return false;
+    }
+    
+    private List<String> getSimplePropertyValues(String concatenatedValue, Class<?> javaType) {
+        List<String> propValues = new ArrayList<String>();
+        StringTokenizer st = null;
+        if ( javaType.getName().equals("java.lang.String")) {
+            st = new StringTokenizer(concatenatedValue, "\"");
+        } else {
+            st = new StringTokenizer(concatenatedValue);
+        }
+        String aToken = null;
+        while (st.hasMoreTokens()) {
+            aToken = st.nextToken();
+            if (aToken.trim().length() > 0) {
+                propValues.add(aToken);
+            }
+        }
+        return propValues;
+    }
+    
+    private List<Node> getComplexPropertyValues(Document document) {
+        Element rootElement = document.getDocumentElement();
+        List<Node> propValues = new ArrayList<Node>();
+        for (int count = 0 ; count < rootElement.getChildNodes().getLength() ; ++count) {
+            if (rootElement.getChildNodes().item(count).getNodeType() == Node.ELEMENT_NODE) {
+                propValues.add(rootElement.getChildNodes().item(count));
+            }
+        }
+        return propValues;
+    }
+    
+    public abstract class ObjectFactoryImplBase  implements ObjectFactory {
+        protected Property property;
+        protected Object propertyValue;
+        protected Class<?> javaType;
+        protected DataType<XMLType> sourceDataType;
+        protected DataType<?> targetDataType;
+        boolean isSimpleType;
+
+        public ObjectFactoryImplBase(Property property, Object propertyValue, boolean isSimpleType, Class<?> javaType)  {
+            
+            this.isSimpleType = isSimpleType;
+            this.property = property;
+            this.propertyValue = propertyValue;
+            this.javaType = javaType;
+
+            //FIXME : fix this when we have managed to generate dynamic java types
+            
+            /*sourceDataType =
+                new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, 
+                    new XMLType(null, this.property.getXSDType()));
+            TypeInfo typeInfo = null;
+            if (this.property.getXSDType() != null) {
+                if (SimpleTypeMapperExtension.isSimpleXSDType(this.property.getXSDType())) {
+                    typeInfo = new TypeInfo(property.getXSDType(), true, null);
+                } else {
+                    typeInfo = new TypeInfo(property.getXSDType(), false, null);
+                }
+            } else {
+                typeInfo = new TypeInfo(property.getXSDType(), false, null);
+            }
+
+            XMLType xmlType = new XMLType(typeInfo);
+            String dataBinding = null; //(String)property.getExtensions().get(DataBinding.class.getName());
+            if (dataBinding != null) {
+                targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType);
+            } else {
+                targetDataType = new DataTypeImpl<XMLType>(dataBinding, javaType, xmlType);
+                mediator.getDataBindingRegistry().introspectType(targetDataType, null);  
+            }*/
+        }
+    }
+    
+    public class ObjectFactoryImpl extends ObjectFactoryImplBase {
+        public ObjectFactoryImpl(Property property, Object propertyValue, boolean isSimpleType, Class<?> javaType) {
+            super(property, propertyValue, isSimpleType, javaType);
+        }
+
+        public Object getInstance() throws ObjectCreationException {
+            if (isSimpleType) {
+                return simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null);
+            } else {
+                return mediator.mediate(propertyValue, sourceDataType, targetDataType, null);
+            }
+        }
+    }
+
+    public class ListObjectFactoryImpl extends ObjectFactoryImplBase  {
+        public ListObjectFactoryImpl(Property property, List<?>propertyValues, boolean isSimpleType, Class<?> javaType) {
+            super(property, propertyValues, isSimpleType, javaType);
+        }
+
+        public List<?> getInstance() throws ObjectCreationException {
+            if (isSimpleType) {
+                List<Object> values = new ArrayList<Object>();
+                for (String aValue : (List<String>)propertyValue) {
+                    values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null));
+                }
+                return values;
+            } else {
+                List<Object> instances = new ArrayList<Object>();
+                for (Node aValue : (List<Node>)propertyValue) {
+                    instances.add(mediator.mediate(aValue,
+                                                      sourceDataType,
+                                                      targetDataType,
+                                                      null));
+                }
+                return instances;
+            }
+        }
+    }
+}