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/*
* 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.databinding.impl;
import org.apache.tuscany.sca.databinding.DataBinding;
import org.apache.tuscany.sca.databinding.SimpleTypeMapper;
import org.apache.tuscany.sca.databinding.WrapperHandler;
import org.apache.tuscany.sca.databinding.XMLTypeHelper;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.Operation;
import org.apache.tuscany.sca.interfacedef.impl.DataTypeImpl;
import org.apache.tuscany.sca.interfacedef.util.XMLType;
/**
* Base Implementation of DataBinding
*
* @version $Rev$ $Date$
*/
public abstract class BaseDataBinding implements DataBinding {
private Class<?> baseType;
private String name;
private String[] aliases;
/**
* Create a databinding with the base java type whose name will be used as
* the name of the databinding
*
* @param baseType The base java class or interface representing the
* databinding, for example, org.w3c.dom.Node
*/
protected BaseDataBinding(Class<?> baseType) {
this(baseType.getName(), null, baseType);
}
/**
* Create a databinding with the name and base java type
*
* @param name The name of the databinding
* @param baseType The base java class or interface representing the
* databinding, for example, org.w3c.dom.Node
*/
protected BaseDataBinding(String name, Class<?> baseType) {
this(name, null, baseType);
}
/**
* Create a databinding with the name and base java type
*
* @param name The name of the databinding
* @param aliases The aliases of the databinding
* @param baseType The base java class or interface representing the
* databinding, for example, org.w3c.dom.Node
*/
protected BaseDataBinding(String name, String[] aliases, Class<?> baseType) {
this.name = name;
this.baseType = baseType;
this.aliases = aliases;
}
@SuppressWarnings("unchecked")
public boolean introspect(DataType type, Operation operation) {
assert type != null;
Class cls = type.getPhysical();
if (baseType != null && baseType.isAssignableFrom(cls)) {
type.setDataBinding(getName());
if (type.getLogical() == null) {
type.setLogical(XMLType.UNKNOWN);
}
return true;
}
return false;
}
public DataType introspect(Object value, Operation operation) {
if (value == null) {
return null;
} else {
DataType<Class> dataType = new DataTypeImpl<Class>(value.getClass(), value.getClass());
if (introspect(dataType, (Operation) null)) {
return dataType;
} else {
return null;
}
}
}
public final String getName() {
return name;
}
/**
* @see org.apache.tuscany.sca.databinding.DataBinding#getWrapperHandler()
*/
public WrapperHandler getWrapperHandler() {
return null;
}
public Object copy(Object object, DataType dataType, Operation operation) {
return object;
}
public SimpleTypeMapper getSimpleTypeMapper() {
return new SimpleTypeMapperImpl();
}
public XMLTypeHelper getXMLTypeHelper() {
return null;
}
public String[] getAliases() {
return aliases;
}
}
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