plugins/svn4idea/src/org/jetbrains/idea/svn/integrate/CheckSamePattern.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 org.jetbrains.idea.svn.integrate;
  17
  18 public class CheckSamePattern<T> {
  19   private boolean mySame;
  20   private T mySameValue;
  21
  22   public CheckSamePattern() {
  23     mySameValue = null;
  24     mySame = true;
  25   }
  26
  27   public void iterate(final T t) {
  28     if (t == null) {
  29       mySame = false;
  30       return;
  31     }
  32     if (mySameValue == null) {
  33       mySameValue = t;
  34       return;
  35     }
  36     mySame &= mySameValue.equals(t);
  37   }
  38
  39   public boolean isSame() {
  40     return mySame;
  41   }
  42
  43   public T getSameValue() {
  44     return mySameValue;
  45   }
  46 }