/* * Copyright 2017 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.hotswap; import static com.google.common.collect.ImmutableSet.toImmutableSet; import com.google.common.base.Preconditions; import com.google.common.collect.ImmutableSet; import com.google.idea.blaze.base.command.BlazeCommandName; import com.google.idea.blaze.base.model.primitives.Kind; import com.google.idea.blaze.base.model.primitives.RuleType; import com.google.idea.blaze.base.run.BlazeCommandRunConfiguration; import com.google.idea.blaze.base.run.confighandler.BlazeCommandRunConfigurationRunner; import com.google.idea.blaze.base.run.state.BlazeCommandRunConfigurationCommonState; import com.google.idea.blaze.java.sync.source.JavaLikeLanguage; import com.google.idea.common.experiments.BoolExperiment; import com.intellij.execution.Executor; import com.intellij.execution.executors.DefaultDebugExecutor; import com.intellij.execution.runners.ExecutionEnvironment; /** Helper methods for HotSwapping */ public final class HotSwapUtils { private HotSwapUtils() {} static final BoolExperiment enableHotSwapping = new BoolExperiment("java.hotswapping.enabled", true); private static final ImmutableSet<Kind> SUPPORTED_BINARIES = getSupportedBinaries(); private static ImmutableSet<Kind> getSupportedBinaries() { return JavaLikeLanguage.getAllDebuggableKinds().stream() .filter(kind -> kind.getRuleType().equals(RuleType.BINARY)) .collect(toImmutableSet()); } public static boolean canHotSwap(ExecutionEnvironment env) { if (!isDebugging(env) || !enableHotSwapping.getValue()) { return false; } BlazeCommandRunConfiguration configuration = BlazeCommandRunConfigurationRunner.getConfiguration(env); BlazeCommandRunConfigurationCommonState handlerState = configuration.getHandlerStateIfType(BlazeCommandRunConfigurationCommonState.class); Kind kind = configuration.getTargetKind(); return BlazeCommandName.RUN.equals( Preconditions.checkNotNull(handlerState).getCommandState().getCommand()) && kind != null && SUPPORTED_BINARIES.contains(kind); } private static boolean isDebugging(ExecutionEnvironment environment) { Executor executor = environment.getExecutor(); return executor instanceof DefaultDebugExecutor; } }