plugins/cvs/cvs-plugin/src/com/intellij/cvsSupport2/cvsoperations/dateOrRevision/SimpleRevision.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.cvsSupport2.cvsoperations.dateOrRevision;
  17
  18 import com.intellij.cvsSupport2.application.CvsEntriesManager;
  19 import com.intellij.cvsSupport2.history.CvsRevisionNumber;
  20 import com.intellij.openapi.util.text.StringUtil;
  21 import com.intellij.openapi.vfs.VirtualFile;
  22 import org.jetbrains.annotations.NotNull;
  23 import org.netbeans.lib.cvsclient.admin.Entry;
  24 import org.netbeans.lib.cvsclient.command.Command;
  25
  26
  27 /**
  28  * author: lesya
  29  */
  30 public class SimpleRevision implements RevisionOrDate {
  31   private final String myRevision;
  32
  33   public static SimpleRevision createForTheSameVersionOf(@NotNull VirtualFile file) {
  34     Entry entry = CvsEntriesManager.getInstance().getEntryFor(file.getParent(), file.getName());
  35     return new SimpleRevision(entry.getRevision());
  36
  37   }
  38
  39   public SimpleRevision(String revision) {
  40     myRevision = prepareRevision(revision);
  41   }
  42
  43   private String prepareRevision(String revision) {
  44     if (revision == null) {
  45       return null;
  46     }
  47     else if (StringUtil.startsWithChar(revision, '-')) {
  48       return revision.substring(1);
  49     }
  50     else {
  51       return revision;
  52     }
  53   }
  54
  55   public String getRevision() {
  56     return myRevision;
  57   }
  58
  59   public void setForCommand(Command command) {
  60     new CommandWrapper(command).setUpdateByRevisionOrDate(myRevision, null);
  61   }
  62
  63   public CvsRevisionNumber getCvsRevisionNumber() {
  64     if (myRevision == null) return null;
  65     try {
  66       return new CvsRevisionNumber(myRevision);
  67     }
  68     catch (NumberFormatException ex) {
  69       return null;
  70     }
  71   }
  72
  73 }