IDefaultValueAdvisor


1   /*******************************************************************************
2    * Copyright (c) 2007 IBM Corporation and others.
3    * All rights reserved. This program and the accompanying materials
4    * are made available under the terms of the Eclipse Public License v1.0
5    * which accompanies this distribution, and is available at
6    * http://www.eclipse.org/legal/epl-v10.html
7    *
8    * Contributors:
9    *     IBM Corporation - initial API and implementation
10   *******************************************************************************/
11  package org.eclipse.jdt.internal.corext.refactoring.structure;
12  
13  import java.util.List  ;
14  
15  import org.eclipse.jdt.core.dom.Expression;
16  import org.eclipse.jdt.core.dom.MethodDeclaration;
17  import org.eclipse.jdt.core.dom.Type;
18  
19  import org.eclipse.jdt.internal.corext.refactoring.ParameterInfo;
20  
21  public interface IDefaultValueAdvisor {
22  
23      /**
24       * Creates a default expression for an added parameter for a given method invocation.
25       * 
26       * @param invocationArguments arguments of the method invocation
27       * @param addedInfo the added ParamterInfo object
28       * @param parameterInfos all ParameterInfo objects, including the added ParameterInfo
29       * @param enclosingMethod the Method that encloses the invocation. Can be null if there is no enclosing method
30       * @param isRecursive true if called from a recursive invocation
31       * @param cuRewrite the CompilationUnitRewrite to use for rewrite, imports etc..
32       * @return a new Expression to be used as argument for the new parameter
33       */
34      Expression createDefaultExpression(List  /*<Expression>*/ invocationArguments, ParameterInfo addedInfo, List  /*<ParameterInfo>*/ parameterInfos, MethodDeclaration enclosingMethod, boolean isRecursive, CompilationUnitRewrite cuRewrite);
35  
36      /**
37       * Create a type for the added parameter.
38       * 
39       * @param newTypeName the fully qualified name of the type
40       * @param startPosition the position where the type is defined in a compilation unit
41       * @param cuRewrite the CompilationUnitRewrite to use for rewrite, imports etc..
42       * @return the new type to be used in default expressions
43       */
44      Type createType(String   newTypeName, int startPosition, CompilationUnitRewrite cuRewrite);
45  
46  }
47
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