platform/vcs-impl/src/com/intellij/openapi/vcs/changes/FoldersCutDownWorker.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.openapi.vcs.changes;
  17
  18 import com.intellij.openapi.util.io.FileUtil;
  19 import com.intellij.openapi.vfs.VirtualFile;
  20
  21 import java.util.HashSet;
  22 import java.util.Set;
  23
  24 public class FoldersCutDownWorker {
  25   private final Set<String> myPaths;
  26
  27   public FoldersCutDownWorker() {
  28     myPaths = new HashSet<String>();
  29   }
  30
  31   public boolean addCurrent(final VirtualFile file) {
  32     for (String path : myPaths) {
  33       if (FileUtil.startsWith(file.getPath(), path)) {
  34         return false;
  35       }
  36     }
  37
  38     myPaths.add(file.getPath());
  39     return true;
  40   }
  41 }