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AfterThrowingAdviceDeclaration.java

/*******************************************************************************
 * Copyright (c) 2000, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

package org.aspectj.org.eclipse.jdt.core.dom;

import java.util.ArrayList;
import java.util.List;

/**
 * AfterThrowingAdviceDeclaration DOM AST node.
 * has:
 *   everything an AfterAdviceDeclaration has,
 *   an optional throwing property
 *   
 * It inherits property descriptors from AdviceDeclaration,
 * but needs to add one for its throwing property,
 * but I can't mix descripters from two different classes in a property list,
 * so I have to redefine them all here and use
 * a 'throwing' prefix to distinguish them from the ones defined in AdviceDeclaration.
 * There has to be a better way, but this works.
 * @author ajh02
 *
 */
00032 public class AfterThrowingAdviceDeclaration extends AfterAdviceDeclaration {
      
      public static final ChildPropertyDescriptor throwingJAVADOC_PROPERTY = 
            internalJavadocPropertyFactory(AfterThrowingAdviceDeclaration.class);

      public static final ChildListPropertyDescriptor throwingPARAMETERS_PROPERTY = 
            new ChildListPropertyDescriptor(AfterThrowingAdviceDeclaration.class, "parameters", SingleVariableDeclaration.class, CYCLE_RISK); //$NON-NLS-1$
      
      public static final ChildPropertyDescriptor throwingPOINTCUT_PROPERTY = 
            new ChildPropertyDescriptor(AfterThrowingAdviceDeclaration.class, "pointcut", PointcutDesignator.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$
            
      public static final ChildListPropertyDescriptor throwingTHROWN_EXCEPTIONS_PROPERTY = 
            new ChildListPropertyDescriptor(AfterThrowingAdviceDeclaration.class, "thrownExceptions", Name.class, NO_CYCLE_RISK); //$NON-NLS-1$
      
      public static final ChildPropertyDescriptor throwingBODY_PROPERTY = 
            new ChildPropertyDescriptor(AfterThrowingAdviceDeclaration.class, "body", Block.class, OPTIONAL, CYCLE_RISK); //$NON-NLS-1$

      protected static List throwingPROPERTY_DESCRIPTORS_2_0;
      
      protected static List throwingPROPERTY_DESCRIPTORS_3_0;
      
      public static final ChildPropertyDescriptor throwingTHROWING_PROPERTY = 
            new ChildPropertyDescriptor(AfterThrowingAdviceDeclaration.class, "throwing", SingleVariableDeclaration.class, OPTIONAL, NO_CYCLE_RISK); //$NON-NLS-1$
      
      public static List propertyDescriptors(int apiLevel) {
            if (apiLevel == AST.JLS2_INTERNAL) {
                  return throwingPROPERTY_DESCRIPTORS_2_0;
            } else {
                  return throwingPROPERTY_DESCRIPTORS_3_0;
            }
      }
      
      static {
            List propertyList = new ArrayList(6);
            createPropertyList(AfterThrowingAdviceDeclaration.class, propertyList);
            addProperty(throwingJAVADOC_PROPERTY, propertyList);
            addProperty(throwingPARAMETERS_PROPERTY, propertyList);
            addProperty(throwingTHROWN_EXCEPTIONS_PROPERTY, propertyList);
            addProperty(throwingPOINTCUT_PROPERTY, propertyList);
            addProperty(throwingTHROWING_PROPERTY, propertyList);
            addProperty(throwingBODY_PROPERTY, propertyList);
            throwingPROPERTY_DESCRIPTORS_2_0 = reapPropertyList(propertyList);
            
            propertyList = new ArrayList(6);
            createPropertyList(AfterThrowingAdviceDeclaration.class, propertyList);
            addProperty(throwingJAVADOC_PROPERTY, propertyList);
            addProperty(throwingPARAMETERS_PROPERTY, propertyList);
            addProperty(throwingTHROWN_EXCEPTIONS_PROPERTY, propertyList);
            addProperty(throwingPOINTCUT_PROPERTY, propertyList);
            addProperty(throwingTHROWING_PROPERTY, propertyList);
            addProperty(throwingBODY_PROPERTY, propertyList);           
            throwingPROPERTY_DESCRIPTORS_3_0 = reapPropertyList(propertyList);
      }
      
      private SingleVariableDeclaration throwing = null;
      
      AfterThrowingAdviceDeclaration(AST ast) {
            super(ast);
      }
      
      final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
            if (property == throwingTHROWING_PROPERTY) {
                  if (get) {
                        return getThrowing();
                  } else {
                        setThrowing((SingleVariableDeclaration) child);
                        return null;
                  }
            }
            return super.internalGetSetChildProperty(property, get, child);
      }
      
      public SingleVariableDeclaration getThrowing() {
            return throwing;
      }
      
      public void setThrowing(SingleVariableDeclaration throwing) {
            this.throwing = throwing;
      }
      
      ASTNode clone0(AST target) {
            AfterThrowingAdviceDeclaration result = new AfterThrowingAdviceDeclaration(target);
            result.setSourceRange(this.getStartPosition(), this.getLength());
            result.setJavadoc(
                  (Javadoc) ASTNode.copySubtree(target, getJavadoc()));
            result.parameters().addAll(
                  ASTNode.copySubtrees(target, parameters()));
            result.setPointcut(getPointcut());
            result.setThrowing(throwing);
            result.thrownExceptions().addAll(
                  ASTNode.copySubtrees(target, thrownExceptions()));
            result.setBody(
                  (Block) ASTNode.copySubtree(target, getBody()));
            return result;
      }
      
      int treeSize() {
            return
                  super.treeSize()
                  + (this.throwing == null ? 0 : this.throwing.treeSize());
      }
      
      void accept0(ASTVisitor visitor) {
            if (visitor instanceof AjASTVisitor) {
                  boolean visitChildren = ((AjASTVisitor)visitor).visit(this);
                  if (visitChildren) {
                        // visit children in normal left to right reading order
                        acceptChild(visitor, getJavadoc());
                        acceptChildren(visitor, this.parameters);
                        acceptChild(visitor, getPointcut());
                        acceptChild(visitor, getThrowing());
                        acceptChildren(visitor, this.thrownExceptions);
                        acceptChild(visitor, getBody());
                  }
                  ((AjASTVisitor)visitor).endVisit(this);
            }
      }
}

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