diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java')
-rw-r--r-- | sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java | 331 |
1 files changed, 331 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java b/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java new file mode 100644 index 0000000000..eefe82f1d9 --- /dev/null +++ b/sca-java-1.x/tags/1.6/modules/implementation-java-runtime/src/main/java/org/apache/tuscany/sca/implementation/java/injection/JavaPropertyValueObjectFactory.java @@ -0,0 +1,331 @@ +/*
+ * 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.java.injection;
+
+import java.lang.reflect.Array;
+import java.util.ArrayList;
+import java.util.List;
+import java.util.StringTokenizer;
+
+import org.apache.tuscany.sca.assembly.ComponentProperty;
+import org.apache.tuscany.sca.assembly.Property;
+import org.apache.tuscany.sca.context.PropertyValueFactory;
+import org.apache.tuscany.sca.core.ExtensionPointRegistry;
+import org.apache.tuscany.sca.core.UtilityExtensionPoint;
+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.databinding.impl.DOMHelper;
+import org.apache.tuscany.sca.databinding.impl.SimpleTypeMapperImpl;
+import org.apache.tuscany.sca.databinding.xml.DOMDataBinding;
+import org.apache.tuscany.sca.implementation.java.impl.JavaElementImpl;
+import org.apache.tuscany.sca.implementation.java.introspect.impl.JavaIntrospectionHelper;
+import org.apache.tuscany.sca.interfacedef.DataType;
+import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
+import org.apache.tuscany.sca.interfacedef.util.TypeInfo;
+import org.apache.tuscany.sca.interfacedef.util.XMLType;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Node;
+import org.w3c.dom.NodeList;
+
+/**
+ *
+ * @version $Rev$ $Date$
+ */
+public class JavaPropertyValueObjectFactory implements PropertyValueFactory {
+ private Mediator mediator = null;
+ private boolean isSimpleType;
+
+ public JavaPropertyValueObjectFactory(Mediator mediator) {
+ this.mediator = mediator;
+ }
+
+ public JavaPropertyValueObjectFactory(ExtensionPointRegistry registry) {
+ this.mediator = registry.getExtensionPoint(UtilityExtensionPoint.class).getUtility(Mediator.class);
+ }
+
+ public ObjectFactory createValueFactory(Property property, Object propertyValue, JavaElementImpl javaElement) {
+ isSimpleType = isSimpleType(property);
+ Document doc = (Document)propertyValue;
+ Class javaType = JavaIntrospectionHelper.getBaseType(javaElement.getType(), javaElement.getGenericType());
+ Element rootElement = doc.getDocumentElement();
+ if (property.isMany()) {
+ if (isSimpleType) {
+ String value = "";
+ if (rootElement.getChildNodes().getLength() > 0) {
+ value = rootElement.getChildNodes().item(0).getTextContent();
+ }
+ List<String> values = getSimplePropertyValues(value, javaType);
+ if ( javaElement.getType().isArray() ) {
+ return new ArrayObjectFactoryImpl(property, values, isSimpleType, javaType);
+ } else {
+ return new ListObjectFactoryImpl(property, values, isSimpleType, javaType);
+ }
+ } else {
+ if ( javaElement.getType().isArray() ) {
+ return new ArrayObjectFactoryImpl(property, getComplexPropertyValues(doc), 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 {
+ List<Node> nodes = getComplexPropertyValues(doc);
+ Object value = null;
+ if (!nodes.isEmpty()) {
+ value = nodes.get(0);
+ }
+ return new ObjectFactoryImpl(property, value, isSimpleType, javaType);
+ }
+
+ }
+ }
+
+ public ObjectFactory createValueFactory(Property property, Object propertyValue, Class javaType) {
+ isSimpleType = isSimpleType(property);
+ Document doc = (Document)propertyValue;
+ Element rootElement = doc.getDocumentElement();
+ 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 {
+ List<Node> nodes = getComplexPropertyValues(doc);
+ Object value = null;
+ if (!nodes.isEmpty()) {
+ value = nodes.get(0);
+ }
+ return new ObjectFactoryImpl(property, value, isSimpleType, javaType);
+ }
+
+ }
+ }
+
+ private boolean isSimpleType(Property property) {
+ if (property.getXSDType() != null) {
+ return SimpleTypeMapperImpl.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() == Element.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>();
+ NodeList nodes = rootElement.getChildNodes();
+ for (int count = 0; count < nodes.getLength(); ++count) {
+ if (nodes.item(count).getNodeType() == Document.ELEMENT_NODE) {
+ propValues.add(DOMHelper.promote(nodes.item(count)));
+ }
+ }
+ return propValues;
+ }
+
+ public abstract class ObjectFactoryImplBase implements ObjectFactory {
+ protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperImpl();
+ 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;
+ sourceDataType = new DataTypeImpl<XMLType>(DOMDataBinding.NAME, Node.class, new XMLType(null, this.property
+ .getXSDType()));
+ TypeInfo typeInfo = null;
+ if (this.property.getXSDType() != null) {
+ if (SimpleTypeMapperImpl.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.getDataBindings().introspectType(targetDataType, null);
+ }
+ }
+ }
+
+ public class ObjectFactoryImpl extends ObjectFactoryImplBase {
+ public ObjectFactoryImpl(Property property, Object propertyValue, boolean isSimpleType, Class javaType) {
+ super(property, propertyValue, isSimpleType, javaType);
+ }
+
+ @SuppressWarnings("unchecked")
+ public Object getInstance() throws ObjectCreationException {
+ if (isSimpleType) {
+ try {
+ return simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null);
+ } catch (NumberFormatException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + propertyValue, ex);
+ } catch (IllegalArgumentException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + propertyValue, ex);
+ }
+ } else {
+ return mediator.mediate(propertyValue, sourceDataType, targetDataType, null);
+ // return null;
+ }
+ }
+ }
+
+ public class ListObjectFactoryImpl extends ObjectFactoryImplBase {
+ public ListObjectFactoryImpl(Property property, List<?> propertyValues, boolean isSimpleType, Class javaType) {
+ super(property, propertyValues, isSimpleType, javaType);
+ }
+
+ @SuppressWarnings("unchecked")
+ public List<?> getInstance() throws ObjectCreationException {
+ if (isSimpleType) {
+ List<Object> values = new ArrayList<Object>();
+ for (String aValue : (List<String>)propertyValue) {
+ try {
+ values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null));
+ } catch (NumberFormatException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + aValue
+ + " from value list of " + propertyValue, ex);
+ } catch (IllegalArgumentException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + aValue
+ + " from value list of " + propertyValue, ex);
+ }
+ }
+ return values;
+ } else {
+ List instances = new ArrayList();
+ for (Node aValue : (List<Node>)propertyValue) {
+ instances.add(mediator.mediate(aValue, sourceDataType, targetDataType, null));
+ }
+ return instances;
+ }
+ }
+ }
+
+ public class ArrayObjectFactoryImpl extends ObjectFactoryImplBase {
+ public ArrayObjectFactoryImpl(Property property, List<?> propertyValues, boolean isSimpleType, Class javaType) {
+ super(property, propertyValues, isSimpleType, javaType);
+ }
+
+ @SuppressWarnings("unchecked")
+ public Object getInstance() throws ObjectCreationException {
+ if (isSimpleType) {
+ int count = 0;
+ Object values = Array.newInstance(javaType, ((List<Object>)propertyValue).size());
+ for (String aValue : (List<String>)propertyValue) {
+ try {
+ Array.set(values, count++, simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null));
+ } catch (NumberFormatException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + aValue
+ + " from value list of " + propertyValue, ex);
+ } catch (IllegalArgumentException ex) {
+ throw new ObjectCreationException("Failed to create instance for property "
+ + property.getName() + " with value " + aValue
+ + " from value list of " + propertyValue, ex);
+ }
+ }
+ return values;
+ } else {
+ Object instances = Array.newInstance(javaType, ((List<Object>)propertyValue).size());
+ int count = 0;
+ for (Node aValue : (List<Node>)propertyValue) {
+ Array.set(instances, count++, mediator.mediate(aValue, sourceDataType, targetDataType, null));
+ }
+ return instances;
+ }
+ }
+ }
+
+ /**
+ * This method will create an instance of the value for the specified Property.
+ *
+ * @param property The Property from which to retrieve the property value
+ * @param type The type of the property value being retrieved from the Property
+ * @param <B> Type type of the property value being looked up
+ *
+ * @return the value for the Property
+ */
+ public <B> B createPropertyValue(ComponentProperty property, Class<B> type)
+ {
+ ObjectFactory<B> factory = this.createValueFactory(property, property.getValue(), type);
+ return factory.getInstance();
+ }
+}
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