platform/vcs-impl/src/com/intellij/openapi/vcs/impl/PlatformVcsPathPresenter.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.impl;
  17
  18 import com.intellij.openapi.util.io.FileUtil;
  19 import com.intellij.openapi.vcs.FilePath;
  20 import com.intellij.openapi.vcs.changes.ContentRevision;
  21 import com.intellij.openapi.vcs.changes.patch.RelativePathCalculator;
  22 import com.intellij.openapi.vfs.VirtualFile;
  23
  24 import java.io.File;
  25
  26 /**
  27  * @author yole
  28  */
  29 public class PlatformVcsPathPresenter extends VcsPathPresenter {
  30   public String getPresentableRelativePathFor(final VirtualFile file) {
  31     return FileUtil.toSystemDependentName(file.getPath());
  32   }
  33
  34   public String getPresentableRelativePath(final ContentRevision fromRevision, final ContentRevision toRevision) {
  35     FilePath fromPath = fromRevision.getFile();
  36     FilePath toPath = toRevision.getFile();
  37
  38     final RelativePathCalculator calculator =
  39       new RelativePathCalculator(toPath.getIOFile().getAbsolutePath(), fromPath.getIOFile().getAbsolutePath());
  40     calculator.execute();
  41     final String result = calculator.getResult();
  42     return (result == null) ? null : result.replace("/", File.separator);
  43   }
  44 }