java/java-impl/src/com/intellij/refactoring/changeClassSignature/TypeParameterInfo.java

   1 /*
   2  * Copyright 2000-2009 JetBrains s.r.o.
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  * http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  */
  16 package com.intellij.refactoring.changeClassSignature;
  17
  18 import com.intellij.psi.JavaPsiFacade;
  19 import com.intellij.psi.PsiClass;
  20 import com.intellij.psi.PsiType;
  21 import com.intellij.refactoring.util.CanonicalTypes;
  22 import com.intellij.util.IncorrectOperationException;
  23 import org.jetbrains.annotations.NonNls;
  24
  25 /**
  26  * @author dsl
  27  */
  28 class TypeParameterInfo {
  29   private final int myOldParameterIndex;
  30   private String myNewName;
  31   private CanonicalTypes.Type myDefaultValue;
  32
  33   TypeParameterInfo(int oldIndex) {
  34     myOldParameterIndex = oldIndex;
  35     myDefaultValue = null;
  36   }
  37
  38   TypeParameterInfo(String name, PsiType aType) {
  39     myOldParameterIndex = -1;
  40     myNewName = name;
  41     if (aType != null) {
  42       myDefaultValue = CanonicalTypes.createTypeWrapper(aType);
  43     }
  44     else {
  45       myDefaultValue = null;
  46     }
  47   }
  48
  49   TypeParameterInfo(PsiClass aClass, @NonNls String name, @NonNls String defaultValue) throws IncorrectOperationException {
  50     this(name, JavaPsiFacade.getInstance(aClass.getProject()).getElementFactory().createTypeFromText(defaultValue, aClass.getLBrace()));
  51   }
  52
  53
  54   public int getOldParameterIndex() {
  55     return myOldParameterIndex;
  56   }
  57
  58   public String getNewName() {
  59     return myNewName;
  60   }
  61
  62   public void setNewName(String newName) {
  63     myNewName = newName;
  64   }
  65
  66   public CanonicalTypes.Type getDefaultValue() {
  67     return myDefaultValue;
  68   }
  69
  70   public void setDefaultValue(CanonicalTypes.Type defaultValue) {
  71     myDefaultValue = defaultValue;
  72   }
  73
  74   public void setDefaultValue(PsiType aType) {
  75     setDefaultValue(CanonicalTypes.createTypeWrapper(aType));
  76   }
  77
  78   boolean isForExistingParameter() {
  79     return myOldParameterIndex >= 0;
  80   }
  81 }