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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;
import org.apache.tuscany.sca.interfacedef.DataType;
import org.apache.tuscany.sca.interfacedef.Operation;
/**
* DataBinding represents a data representation, for example, SDO, JAXB and AXIOM
*
* @version $Rev$ $Date$
*/
public interface DataBinding {
/**
* A special databinding for input message of an operation
*/
String IDL_INPUT = "idl:input";
/**
* A special databinding for output message of an operation
*/
String IDL_OUTPUT = "idl:output";
/**
* A special databinding for fault message of an operation
*/
String IDL_FAULT = "idl:fault";
/**
* The name of a databinding should be case-insensitive and unique
*
* @return The name of the databinding
*/
String getName();
/**
* Introspect and populate information to a DataType model
*
* @param dataType The data type to be introspected
* @param operation The operation
* @return true if the databinding has recognized the given data type
*/
boolean introspect(DataType dataType, Operation operation);
/**
* Introspect the data to figure out the corresponding data type
*
* @param value The object to be checked
* @param operation The operation
* @return The DataType or null if the java type is not supported by this databinding
*/
DataType introspect(Object value, Operation operation);
/**
* Provide a WrapperHandler for this databinding
* @return A wrapper handler which can handle wrapping/wrapping for this databinding
*/
WrapperHandler getWrapperHandler();
/**
* Make a copy of the object for "pass-by-value" semantics.
*
* @param object source object to copy
* @param dataType The data type
* @param operation The operation
* @return copy of the object passed in as argument
*/
Object copy(Object object, DataType dataType, Operation operation);
/**
* Get the XML type helper for Java types
* @return The databinding-specific XML type helper class
*/
XMLTypeHelper getXMLTypeHelper();
}
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