/*******************************************************************************
* Copyright (c) 2006, 2014 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 com.mountainminds.eclemma.internal.core.launching;
import java.io.File;
import java.io.IOException;
import java.net.URL;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.FileLocator;
import org.eclipse.core.runtime.Path;
import org.eclipse.debug.core.ILaunchConfiguration;
import org.jacoco.agent.AgentJar;
import org.jacoco.core.runtime.AgentOptions;
import com.mountainminds.eclemma.core.EclEmmaStatus;
import com.mountainminds.eclemma.core.ICorePreferences;
import com.mountainminds.eclemma.internal.core.EclEmmaCorePlugin;
/**
* Internal utility to calculate the agent VM parameter.
*/
public class AgentArgumentSupport {
private final ICorePreferences preferences;
protected AgentArgumentSupport(ICorePreferences preferences) {
this.preferences = preferences;
}
public AgentArgumentSupport() {
this(EclEmmaCorePlugin.getInstance().getPreferences());
}
/**
* Returns a wrapper for the given launch configuration that adds the required
* VM argument.
*
* @param serverPort
* port of the local agent server
* @param config
* launch configuration to wrap
* @return wrapped launch configuration
*/
public ILaunchConfiguration addArgument(int serverPort,
ILaunchConfiguration config) throws CoreException {
return new AdjustedLaunchConfiguration(getArgument(serverPort), config);
}
protected String getArgument(int serverPort) throws CoreException {
final AgentOptions options = new AgentOptions();
options.setIncludes(preferences.getAgentIncludes());
options.setExcludes(preferences.getAgentExcludes());
options.setExclClassloader(preferences.getAgentExclClassloader());
options.setOutput(AgentOptions.OutputMode.tcpclient);
options.setPort(serverPort);
return quote(options.getVMArgument(getAgentFile()));
}
protected File getAgentFile() throws CoreException {
try {
final URL agentfileurl = FileLocator.toFileURL(AgentJar.getResource());
return new Path(agentfileurl.getPath()).toFile();
} catch (IOException e) {
throw new CoreException(
EclEmmaStatus.NO_LOCAL_AGENTJAR_ERROR.getStatus(e));
}
}
protected String quote(String arg) {
if (arg.indexOf(' ') == -1) {
return arg;
} else {
return '"' + arg + '"';
}
}
}