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LoggingBridgingBuildActionExecuter.java
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LoggingBridgingBuildActionExecuter.java
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/*
* Copyright 2011 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.tooling.internal.provider;
import org.gradle.initialization.BuildAction;
import org.gradle.initialization.BuildCancellationToken;
import org.gradle.internal.Factory;
import org.gradle.launcher.exec.BuildActionExecuter;
import org.gradle.logging.LoggingManagerInternal;
import org.gradle.logging.internal.*;
import org.gradle.tooling.internal.protocol.ProgressListenerVersion1;
import org.gradle.tooling.internal.provider.connection.ProviderOperationParameters;
/**
* A {@link org.gradle.launcher.exec.BuildActionExecuter} which routes Gradle logging to those listeners specified in the {@link ProviderOperationParameters} provided with a tooling api build
* request.
*/
public class LoggingBridgingBuildActionExecuter implements BuildActionExecuter<ProviderOperationParameters> {
private final Factory<LoggingManagerInternal> loggingManagerFactory;
private final BuildActionExecuter<ProviderOperationParameters> executer;
public LoggingBridgingBuildActionExecuter(BuildActionExecuter<ProviderOperationParameters> executer, Factory<LoggingManagerInternal> loggingManagerFactory) {
this.executer = executer;
this.loggingManagerFactory = loggingManagerFactory;
}
public <T> T execute(BuildAction<T> action, BuildCancellationToken cancellationToken, ProviderOperationParameters actionParameters) {
LoggingManagerInternal loggingManager = loggingManagerFactory.create();
if (actionParameters.getStandardOutput() != null) {
loggingManager.addStandardOutputListener(new StreamBackedStandardOutputListener(actionParameters.getStandardOutput()));
}
if (actionParameters.getStandardError() != null) {
loggingManager.addStandardErrorListener(new StreamBackedStandardOutputListener(actionParameters.getStandardError()));
}
ProgressListenerVersion1 progressListener = actionParameters.getProgressListener();
OutputEventListenerAdapter listener = new OutputEventListenerAdapter(progressListener);
loggingManager.addOutputEventListener(listener);
loggingManager.setLevel(actionParameters.getBuildLogLevel());
loggingManager.start();
try {
return executer.execute(action, cancellationToken, actionParameters);
} finally {
loggingManager.stop();
}
}
private static class OutputEventListenerAdapter implements OutputEventListener {
private final ProgressListenerVersion1 progressListener;
public OutputEventListenerAdapter(ProgressListenerVersion1 progressListener) {
this.progressListener = progressListener;
}
public void onOutput(OutputEvent event) {
if (event instanceof ProgressStartEvent) {
ProgressStartEvent startEvent = (ProgressStartEvent) event;
progressListener.onOperationStart(startEvent.getDescription());
} else if (event instanceof ProgressCompleteEvent) {
progressListener.onOperationEnd();
}
}
}
}