| /******************************************************************************* |
| * Copyright (c) 2009, 2018 Mountainminds GmbH & Co. KG and Contributors |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * Brock Janiczak - initial API and implementation |
| * |
| *******************************************************************************/ |
| package org.jacoco.agent.rt.internal.output; |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.io.IOException; |
| import java.io.OutputStream; |
| |
| import org.jacoco.core.data.ExecutionDataWriter; |
| import org.jacoco.core.runtime.AgentOptions; |
| import org.jacoco.core.runtime.RuntimeData; |
| |
| /** |
| * Local only agent output that will write coverage data to the filesystem. This |
| * controller uses the following agent options: |
| * <ul> |
| * <li>destfile</li> |
| * <li>append</li> |
| * </ul> |
| */ |
| public class FileOutput implements IAgentOutput { |
| |
| private RuntimeData data; |
| |
| private File destFile; |
| |
| private boolean append; |
| |
| public final void startup(final AgentOptions options, final RuntimeData data) |
| throws IOException { |
| this.data = data; |
| this.destFile = new File(options.getDestfile()).getAbsoluteFile(); |
| this.append = options.getAppend(); |
| final File folder = destFile.getParentFile(); |
| if (folder != null) { |
| folder.mkdirs(); |
| } |
| // Make sure we can write to the file: |
| openFile().close(); |
| } |
| |
| public void writeExecutionData(final boolean reset) throws IOException { |
| final OutputStream output = openFile(); |
| try { |
| final ExecutionDataWriter writer = new ExecutionDataWriter(output); |
| data.collect(writer, writer, reset); |
| } finally { |
| output.close(); |
| } |
| } |
| |
| public void shutdown() throws IOException { |
| // Nothing to do |
| } |
| |
| private OutputStream openFile() throws IOException { |
| final FileOutputStream file = new FileOutputStream(destFile, append); |
| // Avoid concurrent writes from different agents running in parallel: |
| file.getChannel().lock(); |
| return file; |
| } |
| |
| } |