diff options
Diffstat (limited to 'sca-java-1.x/tags/1.6.1-TUSCANY-3909/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/utils/DefaultPropertyValueObjectFactory.java')
| -rw-r--r-- | sca-java-1.x/tags/1.6.1-TUSCANY-3909/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/utils/DefaultPropertyValueObjectFactory.java | 231 |
1 files changed, 231 insertions, 0 deletions
diff --git a/sca-java-1.x/tags/1.6.1-TUSCANY-3909/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/utils/DefaultPropertyValueObjectFactory.java b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/utils/DefaultPropertyValueObjectFactory.java new file mode 100644 index 0000000000..550498d7b1 --- /dev/null +++ b/sca-java-1.x/tags/1.6.1-TUSCANY-3909/extension-helper/src/main/java/org/apache/tuscany/sca/extension/helper/utils/DefaultPropertyValueObjectFactory.java @@ -0,0 +1,231 @@ +/* + * 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.extension.helper.utils; + +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.databinding.impl.SimpleTypeMapperImpl; +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; + +/** + * TODO: Shouldn't this class be provided by the runtime? + * + * @version $Rev$ $Date$ + */ +public class DefaultPropertyValueObjectFactory implements PropertyValueObjectFactory { + // protected DataBindingRegistry dbRegistry = new DataBindingRegistryImpl(); + protected Mediator mediator = null; + protected SimpleTypeMapper simpleTypeMapper = new SimpleTypeMapperImpl(); + boolean isSimpleType; + + public DefaultPropertyValueObjectFactory(Mediator mediator) { + this.mediator = mediator; + } + + /* (non-Javadoc) + * @see org.apache.tuscany.sca.extension.helper.utils.PVOF#createValueFactory(org.apache.tuscany.sca.assembly.Property) + */ + 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 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() == 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 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; + //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); + } + + @SuppressWarnings("unchecked") + public Object getInstance() throws ObjectCreationException { + if (isSimpleType) { + return simpleTypeMapper.toJavaObject(property.getXSDType(), (String)propertyValue, null); + } 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) { + values.add(simpleTypeMapper.toJavaObject(property.getXSDType(), aValue, null)); + } + return values; + } else { + List instances = new ArrayList(); + for (Node aValue : (List<Node>)propertyValue) { + instances.add(mediator.mediate(aValue, + sourceDataType, + targetDataType, + null)); + } + return instances; + } + } + } +} +
\ No newline at end of file |