plugins/maven/src/main/java/org/jetbrains/idea/maven/utils/MavenProgressIndicator.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.maven.utils;
  17
  18 import com.intellij.openapi.progress.EmptyProgressIndicator;
  19 import com.intellij.openapi.progress.ProcessCanceledException;
  20 import com.intellij.openapi.progress.ProgressIndicator;
  21 import com.intellij.openapi.util.Condition;
  22
  23 import java.util.ArrayList;
  24 import java.util.List;
  25
  26 public class MavenProgressIndicator {
  27   private ProgressIndicator myIndicator;
  28   private List<Condition<MavenProgressIndicator>> myCancelConditions = new ArrayList<Condition<MavenProgressIndicator>>();
  29
  30   public MavenProgressIndicator() {
  31     this(new EmptyProgressIndicator());
  32   }
  33
  34   public MavenProgressIndicator(ProgressIndicator i) {
  35     myIndicator = i;
  36   }
  37
  38   public synchronized void setIndicator(ProgressIndicator i) {
  39     i.setText(myIndicator.getText());
  40     i.setText2(myIndicator.getText2());
  41     i.setFraction(myIndicator.getFraction());
  42     if (i.isCanceled()) i.cancel();
  43     myIndicator = i;
  44   }
  45
  46   public synchronized ProgressIndicator getIndicator() {
  47     return myIndicator;
  48   }
  49
  50   public synchronized void setText(String text) {
  51     myIndicator.setText(text);
  52   }
  53
  54   public synchronized void setText2(String text) {
  55     myIndicator.setText2(text);
  56   }
  57
  58   public synchronized void setFraction(double fraction) {
  59     myIndicator.setFraction(fraction);
  60   }
  61
  62   public synchronized void cancel() {
  63     myIndicator.cancel();
  64   }
  65
  66   public synchronized void addCancelCondition(Condition<MavenProgressIndicator> condition) {
  67     myCancelConditions.add(condition);
  68   }
  69
  70   public synchronized void removeCancelCondition(Condition<MavenProgressIndicator> condition) {
  71     myCancelConditions.remove(condition);
  72   }
  73
  74   public synchronized boolean isCanceled() {
  75     if (myIndicator.isCanceled()) return true;
  76     for (Condition<MavenProgressIndicator> each : myCancelConditions) {
  77       if (each.value(this)) return true;
  78     }
  79     return false;
  80   }
  81
  82   public void checkCanceled() throws MavenProcessCanceledException {
  83     if (isCanceled()) throw new MavenProcessCanceledException();
  84   }
  85
  86   public void checkCanceledNative() {
  87     if (isCanceled()) throw new ProcessCanceledException();
  88   }
  89 }