java/java-impl/src/com/intellij/refactoring/rename/naming/PsiNamedElementAutomaticRenamer.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.rename.naming;
  17
  18 import com.intellij.openapi.diagnostic.Logger;
  19 import com.intellij.psi.PsiNamedElement;
  20 import com.intellij.util.IncorrectOperationException;
  21
  22 import java.util.List;
  23
  24 /**
  25  * @author peter
  26  */
  27 public abstract class PsiNamedElementAutomaticRenamer<T extends PsiNamedElement> extends AutomaticUsageRenamer<T> {
  28   private static final Logger LOG = Logger.getInstance("#com.intellij.refactoring.rename.naming.PsiNamedElementAutomaticRenamer");
  29
  30   protected PsiNamedElementAutomaticRenamer(List<? extends T> elements, String oldName, String newName) {
  31     super(elements, oldName, newName);
  32   }
  33
  34   protected String getName(T element) {
  35     return element.getName();
  36   }
  37
  38   protected void doRenameElement(final T t) throws IncorrectOperationException {
  39     t.setName(getNewElementName(t));
  40   }
  41
  42   protected String suggestName(T element) {
  43     String elementName = getName(element);
  44     final NameSuggester suggester = new NameSuggester(getOldName(), getNewName());
  45     String canonicalName = nameToCanonicalName(elementName, element);
  46     final String newCanonicalName = suggester.suggestName(canonicalName);
  47     if (newCanonicalName.length() == 0) {
  48       LOG.assertTrue(false,
  49           "oldName = " + getOldName() +
  50               ", newName = " + getNewName() +
  51               ", name = " + elementName +
  52               ", canonicalName = " +  canonicalName +
  53               ", newCanonicalName = " + newCanonicalName
  54       );
  55     }
  56     return canonicalNameToName(newCanonicalName, element);
  57   }
  58
  59   protected String canonicalNameToName(String canonicalName, T element) {
  60     return canonicalName;
  61   }
  62
  63   protected String nameToCanonicalName(String name, T element) {
  64     return name;
  65   }
  66
  67 }