plugins/cvs/cvs-plugin/src/com/intellij/cvsSupport2/cvsoperations/common/FindAllRootsHelper.java

   1 /*
   2  * Copyright 2000-2010 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.cvsSupport2.cvsoperations.common;
  17
  18 import com.intellij.cvsSupport2.CvsUtil;
  19 import com.intellij.openapi.vcs.FilePath;
  20 import com.intellij.openapi.vcs.FilePathImpl;
  21 import com.intellij.openapi.vfs.VfsUtil;
  22 import com.intellij.openapi.vfs.VirtualFile;
  23 import com.intellij.util.Processor;
  24
  25 import java.util.ArrayList;
  26 import java.util.List;
  27
  28 public class FindAllRootsHelper {
  29   private FindAllRootsHelper() {
  30   }
  31
  32   public static FilePath[] findVersionedUnder(final FilePath[] roots) {
  33     final List<FilePath> result = new ArrayList<FilePath>();
  34
  35     final Processor<VirtualFile> processor = new Processor<VirtualFile>() {
  36       public boolean process(VirtualFile file) {
  37         final boolean underCvs = CvsUtil.fileIsUnderCvs(file);
  38         if (underCvs) {
  39           result.add(new FilePathImpl(file));
  40         }
  41         return ! underCvs;
  42       }
  43     };
  44
  45     for (FilePath root : roots) {
  46       final VirtualFile vf = root.getVirtualFile();
  47       if (vf == null) continue;
  48       VfsUtil.processFilesRecursively(vf, processor);
  49     }
  50     return result.toArray(new FilePath[result.size()]);
  51   }
  52 }