/*
* Copyright 2009 the original author or authors.
*
* 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 org.gradle.initialization;
import org.gradle.BuildListener;
import org.gradle.BuildResult;
import org.gradle.api.internal.ExceptionAnalyser;
import org.gradle.api.internal.GradleInternal;
import org.gradle.api.internal.SettingsInternal;
import org.gradle.api.logging.StandardOutputListener;
import org.gradle.configuration.BuildConfigurer;
import org.gradle.execution.BuildExecuter;
import org.gradle.internal.concurrent.CompositeStoppable;
import org.gradle.logging.LoggingManagerInternal;
import java.io.Closeable;
public class DefaultGradleLauncher extends GradleLauncher {
private enum Stage {
Configure, Build
}
private final GradleInternal gradle;
private final SettingsHandler settingsHandler;
private final BuildLoader buildLoader;
private final BuildConfigurer buildConfigurer;
private final ExceptionAnalyser exceptionAnalyser;
private final BuildListener buildListener;
private final InitScriptHandler initScriptHandler;
private final LoggingManagerInternal loggingManager;
private final ModelConfigurationListener modelConfigurationListener;
private final TasksCompletionListener tasksCompletionListener;
private final BuildCompletionListener buildCompletionListener;
private final BuildExecuter buildExecuter;
private final Closeable buildServices;
/**
* Creates a new instance.
*/
public DefaultGradleLauncher(GradleInternal gradle, InitScriptHandler initScriptHandler, SettingsHandler settingsHandler,
BuildLoader buildLoader, BuildConfigurer buildConfigurer, BuildListener buildListener,
ExceptionAnalyser exceptionAnalyser, LoggingManagerInternal loggingManager,
ModelConfigurationListener modelConfigurationListener, TasksCompletionListener tasksCompletionListener,
BuildExecuter buildExecuter, BuildCompletionListener buildCompletionListener,
Closeable buildServices) {
this.gradle = gradle;
this.initScriptHandler = initScriptHandler;
this.settingsHandler = settingsHandler;
this.buildLoader = buildLoader;
this.buildConfigurer = buildConfigurer;
this.exceptionAnalyser = exceptionAnalyser;
this.buildListener = buildListener;
this.loggingManager = loggingManager;
this.modelConfigurationListener = modelConfigurationListener;
this.tasksCompletionListener = tasksCompletionListener;
this.buildExecuter = buildExecuter;
this.buildCompletionListener = buildCompletionListener;
this.buildServices = buildServices;
}
public GradleInternal getGradle() {
return gradle;
}
/**
* <p>Executes the build for this GradleLauncher instance and returns the result. Note that when the build fails,
* the exception is available using {@link org.gradle.BuildResult#getFailure()}.</p>
*
* @return The result. Never returns null.
*/
@Override
public BuildResult run() {
return doBuild(Stage.Build);
}
/**
* Evaluates the settings and all the projects. The information about available tasks and projects is accessible via
* the {@link org.gradle.api.invocation.Gradle#getRootProject()} object.
*
* @return A BuildResult object. Never returns null.
*/
@Override
public BuildResult getBuildAnalysis() {
return doBuild(Stage.Configure);
}
private BuildResult doBuild(Stage upTo) {
loggingManager.start();
buildListener.buildStarted(gradle);
Throwable failure = null;
try {
doBuildStages(upTo);
} catch (Throwable t) {
failure = exceptionAnalyser.transform(t);
}
BuildResult buildResult = new BuildResult(gradle, failure);
buildListener.buildFinished(buildResult);
return buildResult;
}
private void doBuildStages(Stage upTo) {
// Evaluate init scripts
initScriptHandler.executeScripts(gradle);
// Evaluate settings script
SettingsInternal settings = settingsHandler.findAndLoadSettings(gradle);
buildListener.settingsEvaluated(settings);
// Load build
buildLoader.load(settings.getRootProject(), settings.getDefaultProject(), gradle, settings.getRootClassLoaderScope());
buildListener.projectsLoaded(gradle);
// Configure build
buildConfigurer.configure(gradle);
if (!gradle.getStartParameter().isConfigureOnDemand()) {
buildListener.projectsEvaluated(gradle);
}
modelConfigurationListener.onConfigure(gradle);
if (upTo == Stage.Configure) {
return;
}
// Populate task graph
buildExecuter.select(gradle);
if (gradle.getStartParameter().isConfigureOnDemand()) {
buildListener.projectsEvaluated(gradle);
}
// Execute build
buildExecuter.execute();
tasksCompletionListener.onTasksFinished(gradle);
assert upTo == Stage.Build;
}
/**
* <p>Adds a listener to this build instance. The listener is notified of events which occur during the
* execution of the build. See {@link org.gradle.api.invocation.Gradle#addListener(Object)} for supported listener
* types.</p>
*
* @param listener The listener to add. Has no effect if the listener has already been added.
*/
@Override
public void addListener(Object listener) {
gradle.addListener(listener);
}
/**
* <p>Adds a {@link StandardOutputListener} to this build instance. The listener is notified of any text written to
* standard output by Gradle's logging system
*
* @param listener The listener to add. Has no effect if the listener has already been added.
*/
@Override
public void addStandardOutputListener(StandardOutputListener listener) {
loggingManager.addStandardOutputListener(listener);
}
/**
* <p>Adds a {@link StandardOutputListener} to this build instance. The listener is notified of any text written to
* standard error by Gradle's logging system
*
* @param listener The listener to add. Has no effect if the listener has already been added.
*/
@Override
public void addStandardErrorListener(StandardOutputListener listener) {
loggingManager.addStandardErrorListener(listener);
}
public void stop() {
try {
loggingManager.stop();
CompositeStoppable.stoppable(buildServices).stop();
} finally {
buildCompletionListener.completed();
}
}
}