platform/lang-impl/src/com/intellij/execution/impl/RunnerRegistryImpl.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
  17 package com.intellij.execution.impl;
  18
  19 import com.intellij.execution.RunnerRegistry;
  20 import com.intellij.execution.configurations.RunProfile;
  21 import com.intellij.execution.runners.ProgramRunner;
  22 import com.intellij.openapi.extensions.Extensions;
  23 import com.intellij.openapi.util.Comparing;
  24 import org.jetbrains.annotations.NotNull;
  25 import org.jetbrains.annotations.Nullable;
  26
  27 import java.util.ArrayList;
  28 import java.util.List;
  29
  30
  31 // TODO[spLeaner]: eliminate
  32 public class RunnerRegistryImpl extends RunnerRegistry {
  33   private final List<ProgramRunner> myRunnersOrder = new ArrayList<ProgramRunner>();
  34
  35   @NotNull
  36   public String getComponentName() {
  37     return "RunnerRegistryImpl";
  38   }
  39
  40   public boolean hasRunner(@NotNull final String executorId, @NotNull final RunProfile settings) {
  41     final ProgramRunner[] runners = getRegisteredRunners();
  42     for (final ProgramRunner runner : runners) {
  43       if (runner.canRun(executorId, settings)) {
  44         return true;
  45       }
  46     }
  47
  48     return false;
  49   }
  50
  51   public ProgramRunner getRunner(final String executorId, final RunProfile settings) {
  52     final ProgramRunner[] runners = getRegisteredRunners();
  53     for (final ProgramRunner runner : runners) {
  54       if (runner.canRun(executorId, settings)) {
  55         return runner;
  56       }
  57     }
  58
  59     return null;
  60   }
  61
  62   public void initComponent() {
  63     final ProgramRunner[] runners = Extensions.getExtensions(ProgramRunner.PROGRAM_RUNNER_EP);
  64     for (ProgramRunner runner : runners) {
  65       registerRunner(runner);
  66     }
  67   }
  68
  69   public synchronized void disposeComponent() {
  70     while (myRunnersOrder.size() > 0) {
  71       final ProgramRunner runner = myRunnersOrder.get(myRunnersOrder.size() - 1);
  72       unregisterRunner(runner);
  73     }
  74   }
  75
  76   public synchronized void registerRunner(final ProgramRunner runner) {
  77     if (myRunnersOrder.contains(runner)) return;
  78     myRunnersOrder.add(runner);
  79   }
  80
  81   public synchronized void unregisterRunner(final ProgramRunner runner) {
  82     myRunnersOrder.remove(runner);
  83   }
  84
  85   public synchronized ProgramRunner[] getRegisteredRunners() {
  86     return myRunnersOrder.toArray(new ProgramRunner[myRunnersOrder.size()]);
  87   }
  88
  89   @Nullable
  90   public ProgramRunner findRunnerById(String id) {
  91     ProgramRunner[] registeredRunners = getRegisteredRunners();
  92     for (ProgramRunner registeredRunner : registeredRunners) {
  93       if (Comparing.equal(id, registeredRunner.getRunnerId())) {
  94         return registeredRunner;
  95       }
  96     }
  97     return null;
  98   }
  99
 100 }