org.eclipse.xtend.maven.XtendTestCompile Maven / Gradle / Ivy

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package org.eclipse.xtend.maven;

import static com.google.common.collect.Iterables.filter;
import static com.google.common.collect.Lists.newArrayList;
import static org.eclipse.xtext.util.Strings.concat;

import java.io.File;
import java.util.List;
import java.util.Set;

import org.apache.maven.artifact.DependencyResolutionRequiredException;
import org.apache.maven.plugin.MojoExecutionException;
import org.eclipse.emf.common.util.WrappedException;
import org.eclipse.xtend.core.compiler.batch.XtendBatchCompiler;
import org.eclipse.xtext.xbase.lib.Procedures.Procedure1;

import com.google.common.collect.Lists;
import com.google.common.collect.Sets;

/**
 * Goal which compiles Xtend2 test sources.
 * 
 * @author Michael Clay - Initial contribution and API
 */
public class XtendTestCompile extends AbstractXtendCompilerMojo {
	/**
	 * Location of the generated test files.
	 * 
	 * @parameter default-value="${basedir}/src/test/generated-sources/xtend"
	 * @required
	 */
	private String testOutputDirectory;
	/**
	 * Location of the temporary compiler directory.
	 * 
	 * @parameter default-value="${project.build.directory}/xtend-test"
	 * @required
	 */
	private String testTempDirectory;

	@Override
	protected void internalExecute() throws MojoExecutionException {
		final String defaultValue = project.getBasedir() + "/src/test/generated-sources/xtend";
		getLog().debug("Output directory '" + testOutputDirectory + "'");
		getLog().debug("Default directory '" + defaultValue + "'");
		if (defaultValue.equals(testOutputDirectory)) {
			readXtendEclipseSetting(project.getBuild().getTestSourceDirectory(), new Procedure1() {
				public void apply(String xtendOutputDir) {
					testOutputDirectory = xtendOutputDir;
					getLog().info("Using Xtend output directory '" + testOutputDirectory + "'");
				}
			});
		}
		testOutputDirectory = resolveToBaseDir(testOutputDirectory);
		compileTestSources(xtendBatchCompilerProvider.get());
	}

	protected void compileTestSources(XtendBatchCompiler xtend2BatchCompiler) throws MojoExecutionException {
		List testCompileSourceRoots = Lists.newArrayList(project.getTestCompileSourceRoots());
		String testClassPath = concat(File.pathSeparator, getTestClassPath());
		project.addTestCompileSourceRoot(testOutputDirectory);
		compile(xtend2BatchCompiler, testClassPath, testCompileSourceRoots, testOutputDirectory);
	}

	@SuppressWarnings("deprecation")
	protected List getTestClassPath() {
		Set classPath = Sets.newLinkedHashSet();
		classPath.add(project.getBuild().getTestSourceDirectory());
		try {
			classPath.addAll(project.getTestClasspathElements());
		} catch (DependencyResolutionRequiredException e) {
			throw new WrappedException(e);
		}
		addDependencies(classPath, project.getTestArtifacts());
		return newArrayList(filter(classPath, FILE_EXISTS));
	}

	@Override
	protected String getTempDirectory() {
		return testTempDirectory;
	}

}