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Groovy: A powerful, dynamic language for the JVM
/**
* 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 groovy.util;
import groovy.lang.Closure;
import java.util.Map;
/**
* @author Andres Almiray
* @author Danno Ferrin
*/
public interface Factory {
/**
*
* @return true if no child closures should be processed
*/
boolean isLeaf();
/**
* Does this factory "Own" it's child closure.
*
* @return true if the factory should have onContentClosure() called,
* false if the builder should handle it
*/
boolean isHandlesNodeChildren();
/**
* Called when a factory is registered to a builder
* @param builder the build the factory has been registered to
* @param registeredName the name the factory has been registered under
*/
void onFactoryRegistration(FactoryBuilderSupport builder, String registeredName, String registeredGroupName);
/**
* @param builder the FactoryBuilder
* @param name the name of the node being built
* @param value the 'value' argument in the build node
* @param attributes the attributes of the build arg
* @return the object created for the builder
* @throws InstantiationException if attempting to instantiate an interface or abstract class
* @throws IllegalAccessException if the instance can't be created due to a security violation
*/
Object newInstance( FactoryBuilderSupport builder, Object name, Object value, Map attributes )
throws InstantiationException, IllegalAccessException;
/**
* @param builder the FactoryBuilder
* @param node the node (returned from newINstance) to consider the attributes for
* @param attributes the attributes, a mutable set
* @return true if the factory builder should use standard bean property matching for the remaining attributes
*/
boolean onHandleNodeAttributes( FactoryBuilderSupport builder, Object node, Map attributes );
/**
* Only called if it isLeaf is false and isHandlesNodeChildren is true
* @param builder the FactoryBuilder
* @param node the node (returned from newINstance) to consider the attributes for
* @param childContent the child content closure of the builder
* @return true if the factory builder should apply default node processing to the content child
*/
boolean onNodeChildren( FactoryBuilderSupport builder, Object node, Closure childContent);
/**
* @param builder the FactoryBuilder
* @param parent the parent node (null if 'root')
* @param node the node just completed
*/
void onNodeCompleted( FactoryBuilderSupport builder, Object parent, Object node );
void setParent( FactoryBuilderSupport builder, Object parent, Object child );
void setChild( FactoryBuilderSupport builder, Object parent, Object child );
}