ExecutionDataClient.java
/*******************************************************************************
* Copyright (c) 2009, 2024 Mountainminds GmbH & Co. KG and Contributors
* This program and the accompanying materials are made available under
* the terms of the Eclipse Public License 2.0 which is available at
* http://www.eclipse.org/legal/epl-2.0
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.examples;
import java.io.FileOutputStream;
import java.io.IOException;
import java.net.InetAddress;
import java.net.Socket;
import org.jacoco.core.data.ExecutionDataWriter;
import org.jacoco.core.runtime.RemoteControlReader;
import org.jacoco.core.runtime.RemoteControlWriter;
/**
* This example connects to a coverage agent that run in output mode
* <code>tcpserver</code> and requests execution data. The collected data is
* dumped to a local file.
*/
public final class ExecutionDataClient {
private static final String DESTFILE = "jacoco-client.exec";
private static final String ADDRESS = "localhost";
private static final int PORT = 6300;
/**
* Starts the execution data request.
*
* @param args
* @throws IOException
*/
public static void main(final String[] args) throws IOException {
final FileOutputStream localFile = new FileOutputStream(DESTFILE);
final ExecutionDataWriter localWriter = new ExecutionDataWriter(
localFile);
// Open a socket to the coverage agent:
final Socket socket = new Socket(InetAddress.getByName(ADDRESS), PORT);
final RemoteControlWriter writer = new RemoteControlWriter(
socket.getOutputStream());
final RemoteControlReader reader = new RemoteControlReader(
socket.getInputStream());
reader.setSessionInfoVisitor(localWriter);
reader.setExecutionDataVisitor(localWriter);
// Send a dump command and read the response:
writer.visitDumpCommand(true, false);
if (!reader.read()) {
throw new IOException("Socket closed unexpectedly.");
}
socket.close();
localFile.close();
}
private ExecutionDataClient() {
}
}