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DeclareErrorDeclaration.java

/********************************************************************
 * Copyright (c) 2006 Contributors. 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://eclipse.org/legal/epl-v10.html 
 *  
 * Contributors: IBM Corporation - initial API and implementation 
 *                       Helen Hawkins   - iniital version
 *******************************************************************/
package org.aspectj.org.eclipse.jdt.core.dom;

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

/**
 * DeclareErrorDeclaration DOM AST node.
 * 
 * Has everything a DeclareDeclaration has plus:
 *    a PointcutDesignator called 'pointcut'
 *      a StringLiteral called 'message'
 */
00023 public class DeclareErrorDeclaration extends DeclareDeclaration {

      public static final ChildPropertyDescriptor JAVADOC_PROPERTY = 
            internalJavadocPropertyFactory(DeclareErrorDeclaration.class);

      public static final ChildPropertyDescriptor POINTCUT_PROPERTY = 
            new ChildPropertyDescriptor(DeclareErrorDeclaration.class, "pointcut", PointcutDesignator.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$

      public static final ChildPropertyDescriptor MESSAGE_PROPERTY = 
            new ChildPropertyDescriptor(DeclareErrorDeclaration.class, "message", StringLiteral.class, MANDATORY, NO_CYCLE_RISK); //$NON-NLS-1$

      
      private static final List PROPERTY_DESCRIPTORS_2_0;   
      private static final List PROPERTY_DESCRIPTORS_3_0;
      
      static {
            List propertyList = new ArrayList(3);
            createPropertyList(DeclareErrorDeclaration.class, propertyList);
            addProperty(JAVADOC_PROPERTY, propertyList);
            addProperty(POINTCUT_PROPERTY, propertyList);
            addProperty(MESSAGE_PROPERTY, propertyList);
            PROPERTY_DESCRIPTORS_2_0 = reapPropertyList(propertyList);
            
            propertyList = new ArrayList(3);
            createPropertyList(DeclareErrorDeclaration.class, propertyList);
            addProperty(JAVADOC_PROPERTY, propertyList);
            addProperty(POINTCUT_PROPERTY, propertyList);
            addProperty(MESSAGE_PROPERTY, propertyList);
            PROPERTY_DESCRIPTORS_3_0 = reapPropertyList(propertyList);
      }
      
      private PointcutDesignator pointcut;
      private StringLiteral message;
      
      DeclareErrorDeclaration(AST ast) {
            super(ast);
      }
      
      /* (omit javadoc for this method)
       * Method declared on ASTNode.
       */
      ASTNode clone0(AST target) {
            DeclareErrorDeclaration result = new DeclareErrorDeclaration(target);
            result.setSourceRange(this.getStartPosition(), this.getLength());
            result.setJavadoc(
                  (Javadoc) ASTNode.copySubtree(target, getJavadoc()));
            result.setPointcut((PointcutDesignator)ASTNode.copySubtree(target,getPointcut()));
            result.setMessage((StringLiteral)ASTNode.copySubtree(target,getMessage()));
            return result;
      }

      /* (omit javadoc for this method)
       * Method declared on ASTNode.
       */
      final boolean subtreeMatch0(ASTMatcher matcher, Object other) {
            // dispatch to correct overloaded match method
            return ((AjASTMatcher)matcher).match(this, other);
      }
      
      /* (omit javadoc for this method)
       * Method declared on ASTNode.
       */
      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());
                        acceptChild(visitor,getPointcut());
                        acceptChild(visitor,getMessage());
                  }
                  ((AjASTVisitor)visitor).endVisit(this);
            }
      }

      /* (omit javadoc for this method)
       * Method declared on BodyDeclaration.
       * 
       * There are no modifiers declared for DeclareErrorDeclaration - 
       * therefore we don't do anything with this
       */
      SimplePropertyDescriptor internalModifiersProperty() {
            return internalModifiersPropertyFactory(DeclareErrorDeclaration.class);
      }

      /* (omit javadoc for this method)
       * Method declared on BodyDeclaration.
       * 
       * There are no modifiers declared for DeclareErrorDeclaration - 
       * therefore we don't do anything with this
       */
      ChildListPropertyDescriptor internalModifiers2Property() {
            return internalModifiers2PropertyFactory(DeclareErrorDeclaration.class);
      }

      /* (omit javadoc for this method)
       * Method declared on BodyDeclaration.
       */
      ChildPropertyDescriptor internalJavadocProperty() {
            return JAVADOC_PROPERTY;
      }

      /**
       * Returns a list of structural property descriptors for this node type.
       * Clients must not modify the result.
       * 
       * @param apiLevel the API level; one of the
       * <code>AST.JLS&ast;</code> constants
       * @return a list of property descriptors (element type: 
       * {@link StructuralPropertyDescriptor})
       * @since 3.0
       */
00135       public static List propertyDescriptors(int apiLevel) {
            if (apiLevel == AST.JLS2_INTERNAL) {
                  return PROPERTY_DESCRIPTORS_2_0;
            } else {
                  return PROPERTY_DESCRIPTORS_3_0;
            }
      }
      
      /* (omit javadoc for this method)
       * Method declared on ASTNode.
       */
      final List internalStructuralPropertiesForType(int apiLevel) {
            return propertyDescriptors(apiLevel);
      }
      
      /* (omit javadoc for this method)
       * Method declared on ASTNode.
       */
      final ASTNode internalGetSetChildProperty(ChildPropertyDescriptor property, boolean get, ASTNode child) {
            if (property == JAVADOC_PROPERTY) {
                  if (get) {
                        return getJavadoc();
                  } else {
                        setJavadoc((Javadoc) child);
                        return null;
                  }
            }
            if (property == POINTCUT_PROPERTY) {
                  if (get) {
                        return getPointcut();
                  } else {
                        setPointcut((PointcutDesignator) child);
                        return null;
                  }
            }
            if (property == MESSAGE_PROPERTY) {
                  if (get) {
                        return getMessage();
                  } else {
                        setMessage((StringLiteral) child);
                        return null;
                  }
            }
            // allow default implementation to flag the error
            return super.internalGetSetChildProperty(property, get, child);
      }

      
      public PointcutDesignator getPointcut(){
            return pointcut;
      }
      public void setPointcut(PointcutDesignator pointcut) {
            if (pointcut == null) {
                  throw new IllegalArgumentException();
            }
            ASTNode oldChild = this.pointcut;
            preReplaceChild(oldChild, pointcut, POINTCUT_PROPERTY);
            this.pointcut = pointcut;
            postReplaceChild(oldChild, pointcut, POINTCUT_PROPERTY);
      }
      
      public StringLiteral getMessage(){
            return message;
      }
      
      public void setMessage(StringLiteral message) {
            if (message == null) {
                  throw new IllegalArgumentException();
            }
            ASTNode oldChild = this.message;
            preReplaceChild(oldChild, message, MESSAGE_PROPERTY);
            this.message = message;
            postReplaceChild(oldChild, message, MESSAGE_PROPERTY);
      }
      
}

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