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Offline.java
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Offline.java
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/*******************************************************************************
* Copyright (c) 2009, 2019 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:
* Marc R. Hoffmann - initial API and implementation
*
*******************************************************************************/
package org.jacoco.agent.rt.internal;
import java.util.Properties;
import org.jacoco.core.runtime.AgentOptions;
import org.jacoco.core.runtime.RuntimeData;
/**
* The API for classes instrumented in "offline" mode. The agent configuration
* is provided through system properties prefixed with <code>jacoco.</code>.
*/
public final class Offline {
private static final String CONFIG_RESOURCE = "/jacoco-agent.properties";
private Offline() {
// no instances
}
private static RuntimeData data;
private static synchronized RuntimeData getRuntimeData() {
if (data == null) {
final Properties config = ConfigLoader.load(CONFIG_RESOURCE,
System.getProperties());
try {
data = Agent.getInstance(new AgentOptions(config)).getData();
} catch (final Exception e) {
throw new RuntimeException("Failed to initialize JaCoCo.", e);
}
}
return data;
}
/**
* API for offline instrumented classes.
*
* @param classid
* class identifier
* @param classname
* VM class name
* @param probecount
* probe count for this class
* @return probe array instance for this class
*/
public static boolean[] getProbes(final long classid,
final String classname, final int probecount) {
return getRuntimeData()
.getExecutionData(Long.valueOf(classid), classname, probecount)
.getProbes();
}
}