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/**
*
* Copyright 2005 The Apache Software Foundation or its licensors, as applicable.
*
* Licensed 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.model.util;
import java.util.List;
import java.util.Map;
/**
* A model content handler. This mimics a SAX content handler for models and
* receives notification of the content of a model. A model content handler is
* responsible for handling model content notifications. As part of the handling
* the handler can produce new contents.
*/
public interface ModelContentHandler {
/**
* Starts handling of a model.
*/
public void startModel();
/**
* Ends handling of a model.
*/
public void endModel();
/**
* Sets the contents list, where the content handler should store
* the contents that it produces.
* @param contents The contents to set
*/
public void setContents(List contents);
/**
* Sets the linkers list. A content handler can add linker objects to this
* list. Linker objects must implement java.lang.Runnable. They are
* run as part of the endModel notification processing.
* Typically linker objects are used to resolve model forward references
* or establish model relationships after the model content has been
* handled.
* @param linkers The linkers to set
*/
public void setLinkers(List linkers);
/**
* Sets the targets map. This map keeps track of the objects returned by
* the content handler for each object passed to its doSwitch method.
* @param targets The targets to set
*/
public void setTargets(Map targets);
/**
* This method dispatches handling of the given object (XYZ for example) to a
* corresponding "caseXYZ()" method on the content handler.
*/
public Object doSwitch(Object object);
}
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