| /* |
| * Copyright 2016 The Bazel Authors. All rights reserved. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| package com.google.idea.blaze.java.run.producers; |
| |
| import com.google.common.collect.ImmutableList; |
| import com.google.common.collect.Iterables; |
| import com.google.idea.blaze.base.command.BlazeCommandName; |
| import com.google.idea.blaze.base.ideinfo.TargetIdeInfo; |
| import com.google.idea.blaze.base.model.BlazeProjectData; |
| import com.google.idea.blaze.base.model.primitives.Kind; |
| import com.google.idea.blaze.base.run.BlazeCommandRunConfiguration; |
| import com.google.idea.blaze.base.run.BlazeCommandRunConfigurationType; |
| import com.google.idea.blaze.base.run.producers.BlazeRunConfigurationProducer; |
| import com.google.idea.blaze.base.run.state.BlazeCommandRunConfigurationCommonState; |
| import com.google.idea.blaze.base.run.testmap.FilteredTargetMap; |
| import com.google.idea.blaze.base.sync.SyncCache; |
| import com.google.idea.blaze.java.run.RunUtil; |
| import com.intellij.execution.JavaExecutionUtil; |
| import com.intellij.execution.Location; |
| import com.intellij.execution.actions.ConfigurationContext; |
| import com.intellij.execution.application.ApplicationConfigurationType; |
| import com.intellij.openapi.project.Project; |
| import com.intellij.openapi.util.Ref; |
| import com.intellij.psi.PsiClass; |
| import com.intellij.psi.PsiElement; |
| import com.intellij.psi.PsiMethod; |
| import com.intellij.psi.util.PsiMethodUtil; |
| import java.io.File; |
| import java.util.Collection; |
| import java.util.Objects; |
| import javax.annotation.Nullable; |
| |
| /** Creates run configurations for Java main classes sourced by java_binary targets. */ |
| public class BlazeJavaMainClassRunConfigurationProducer |
| extends BlazeRunConfigurationProducer<BlazeCommandRunConfiguration> { |
| |
| private static final String JAVA_BINARY_MAP_KEY = "BlazeJavaBinaryMap"; |
| |
| public BlazeJavaMainClassRunConfigurationProducer() { |
| super(BlazeCommandRunConfigurationType.getInstance()); |
| } |
| |
| @Override |
| protected boolean doSetupConfigFromContext( |
| BlazeCommandRunConfiguration configuration, |
| ConfigurationContext context, |
| Ref<PsiElement> sourceElement) { |
| PsiClass mainClass = getMainClass(context); |
| if (mainClass == null) { |
| return false; |
| } |
| // Try setting source element to a main method so ApplicationConfigurationProducer |
| // can't override our configuration by producing a more specific one. |
| PsiMethod mainMethod = PsiMethodUtil.findMainMethod(mainClass); |
| if (mainMethod == null) { |
| sourceElement.set(mainClass); |
| } else { |
| sourceElement.set(mainMethod); |
| } |
| |
| TargetIdeInfo target = getTarget(context.getProject(), mainClass); |
| if (target == null) { |
| return false; |
| } |
| configuration.setTarget(target.key.label); |
| BlazeCommandRunConfigurationCommonState handlerState = |
| configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class); |
| if (handlerState == null) { |
| return false; |
| } |
| handlerState.getCommandState().setCommand(BlazeCommandName.RUN); |
| configuration.setGeneratedName(); |
| return true; |
| } |
| |
| @Override |
| protected boolean doIsConfigFromContext( |
| BlazeCommandRunConfiguration configuration, ConfigurationContext context) { |
| BlazeCommandRunConfigurationCommonState handlerState = |
| configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class); |
| if (handlerState == null) { |
| return false; |
| } |
| if (!Objects.equals(handlerState.getCommandState().getCommand(), BlazeCommandName.RUN)) { |
| return false; |
| } |
| PsiClass mainClass = getMainClass(context); |
| if (mainClass == null) { |
| return false; |
| } |
| TargetIdeInfo target = getTarget(context.getProject(), mainClass); |
| if (target == null) { |
| return false; |
| } |
| return Objects.equals(configuration.getTarget(), target.key.label); |
| } |
| |
| @Nullable |
| private static PsiClass getMainClass(ConfigurationContext context) { |
| Location location = context.getLocation(); |
| if (location == null) { |
| return null; |
| } |
| location = JavaExecutionUtil.stepIntoSingleClass(location); |
| if (location == null) { |
| return null; |
| } |
| PsiElement element = location.getPsiElement(); |
| if (!element.isPhysical()) { |
| return null; |
| } |
| return ApplicationConfigurationType.getMainClass(element); |
| } |
| |
| @Nullable |
| private static TargetIdeInfo getTarget(Project project, PsiClass mainClass) { |
| File mainClassFile = RunUtil.getFileForClass(mainClass); |
| if (mainClassFile == null) { |
| return null; |
| } |
| Collection<TargetIdeInfo> javaBinaryTargets = findJavaBinaryTargets(project, mainClassFile); |
| |
| String qualifiedName = mainClass.getQualifiedName(); |
| String className = mainClass.getName(); |
| if (qualifiedName == null || className == null) { |
| // out of date psi element; just take the first match |
| return Iterables.getFirst(javaBinaryTargets, null); |
| } |
| |
| // first look for a matching main_class |
| TargetIdeInfo match = |
| javaBinaryTargets |
| .stream() |
| .filter( |
| target -> |
| target.javaIdeInfo != null |
| && qualifiedName.equals(target.javaIdeInfo.javaBinaryMainClass)) |
| .findFirst() |
| .orElse(null); |
| if (match != null) { |
| return match; |
| } |
| |
| match = |
| javaBinaryTargets |
| .stream() |
| .filter(target -> className.equals(target.key.label.targetName().toString())) |
| .findFirst() |
| .orElse(null); |
| if (match != null) { |
| return match; |
| } |
| return Iterables.getFirst(javaBinaryTargets, null); |
| } |
| |
| /** Returns all java_binary targets reachable from the given source file. */ |
| private static Collection<TargetIdeInfo> findJavaBinaryTargets( |
| Project project, File mainClassFile) { |
| FilteredTargetMap map = |
| SyncCache.getInstance(project) |
| .get(JAVA_BINARY_MAP_KEY, BlazeJavaMainClassRunConfigurationProducer::computeTargetMap); |
| return map != null ? map.targetsForSourceFile(mainClassFile) : ImmutableList.of(); |
| } |
| |
| private static FilteredTargetMap computeTargetMap(Project project, BlazeProjectData projectData) { |
| return new FilteredTargetMap( |
| project, |
| projectData.artifactLocationDecoder, |
| projectData.targetMap, |
| (targetIdeInfo) -> targetIdeInfo.kind == Kind.JAVA_BINARY && targetIdeInfo.isPlainTarget()); |
| } |
| } |