net.sourceforge.cobertura.ant.MergeTask Maven / Gradle / Ivy

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Cobertura is a free Java tool that calculates the percentage of code accessed by tests. It can be used to identify which parts of your Java program are lacking test coverage. It is based on jcoverage.
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/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (C) 2000-2002 The Apache Software Foundation.  All rights
 * reserved.
 * Copyright (C) 2003 jcoverage ltd.
 * Copyright (C) 2005 Mark Doliner
 * Copyright (C) 2005 Joakim Erdfelt
 * Copyright (C) 2005 Grzegorz Lukasik
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
 *
 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
 *
 * 4. The names "Ant" and "Apache Software
 *    Foundation" must not be used to endorse or promote products derived
 *    from this software without prior written permission. For written
 *    permission, please contact [email protected].
 *
 * 5. Products derived from this software may not be called "Apache"
 *    nor may "Apache" appear in their names without prior written
 *    permission of the Apache Group.
 *
 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED
 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED.  IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR
 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
 * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
 * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT
 * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
 * SUCH DAMAGE.
 * ====================================================================
 *
 * This software consists of voluntary contributions made by many
 * individuals on behalf of the Apache Software Foundation.  For more
 * information on the Apache Software Foundation, please see
 * .
 */

package net.sourceforge.cobertura.ant;

import net.sourceforge.cobertura.merge.MergeMain;
import net.sourceforge.cobertura.util.CommandLineBuilder;
import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Project;

import java.io.IOException;

public class MergeTask extends CommonMatchingTask {

	private String dataFile = null;

	public MergeTask() {
		super(MergeMain.class.getCanonicalName());
	}

	public void execute() throws BuildException {
		CommandLineBuilder builder = null;
		try {
			builder = new CommandLineBuilder();
			if (dataFile != null)
				builder.addArg("--datafile", dataFile);

			createArgumentsForFilesets(builder);

			builder.saveArgs();
		} catch (IOException ioe) {
			getProject().log("Error creating commands file.", Project.MSG_ERR);
			throw new BuildException("Unable to create the commands file.", ioe);
		}

		// Execute GPL licensed code in separate virtual machine
		getJava().createArg().setValue("--commandsfile");
		getJava().createArg().setValue(builder.getCommandLineFile());
		AntUtil.transferCoberturaDataFileProperty(getJava());
		if (getJava().executeJava() != 0) {
			throw new BuildException(
					"Error running reports. See messages above.");
		}

		builder.dispose();
	}

	public void setDataFile(String dataFile) {
		this.dataFile = dataFile;
	}

}