/*
* Copyright 2012 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.gradle.api.internal.tasks.scala;
import org.gradle.api.GradleException;
import org.gradle.api.internal.project.IsolatedAntBuilder;
import org.gradle.api.internal.project.ProjectInternal;
import org.gradle.api.internal.tasks.compile.JavaCompileSpec;
import org.gradle.api.internal.tasks.compile.JavaCompilerFactory;
import org.gradle.api.internal.tasks.compile.daemon.CompilerDaemonFactory;
import org.gradle.api.tasks.scala.ScalaCompileOptions;
import org.gradle.language.base.internal.compile.Compiler;
import org.gradle.language.base.internal.compile.CompilerFactory;
public class ScalaCompilerFactory implements CompilerFactory<ScalaJavaJointCompileSpec> {
private final ProjectInternal project;
private final IsolatedAntBuilder antBuilder;
private final JavaCompilerFactory javaCompilerFactory;
private final CompilerDaemonFactory compilerDaemonFactory;
public ScalaCompilerFactory(ProjectInternal project, IsolatedAntBuilder antBuilder, JavaCompilerFactory javaCompilerFactory, CompilerDaemonFactory compilerDaemonFactory) {
this.project = project;
this.antBuilder = antBuilder;
this.javaCompilerFactory = javaCompilerFactory;
this.compilerDaemonFactory = compilerDaemonFactory;
}
public Compiler<ScalaJavaJointCompileSpec> newCompiler(ScalaJavaJointCompileSpec spec) {
ScalaCompileOptions scalaOptions = spec.getScalaCompileOptions();
if (scalaOptions.isUseAnt()) {
Compiler<ScalaCompileSpec> scalaCompiler = new AntScalaCompiler(antBuilder);
Compiler<JavaCompileSpec> javaCompiler = javaCompilerFactory.createForJointCompilation(spec.getCompileOptions());
return new NormalizingScalaCompiler(new DefaultScalaJavaJointCompiler(scalaCompiler, javaCompiler));
}
if (!scalaOptions.isFork()) {
throw new GradleException("The Zinc based Scala compiler ('scalaCompileOptions.useAnt=false') "
+ "requires forking ('scalaCompileOptions.fork=true'), but the latter is set to 'false'.");
}
// currently, we leave it to ZincScalaCompiler to also compile the Java code
Compiler<ScalaJavaJointCompileSpec> scalaCompiler;
try {
scalaCompiler = (Compiler<ScalaJavaJointCompileSpec>) getClass().getClassLoader()
.loadClass("org.gradle.api.internal.tasks.scala.jdk6.ZincScalaCompiler").newInstance();
} catch (Exception e) {
throw new RuntimeException("Internal error: Failed to load org.gradle.api.internal.tasks.scala.jdk6.ZincScalaCompiler", e);
}
scalaCompiler = new DaemonScalaCompiler(project.getRootProject().getProjectDir(), scalaCompiler, compilerDaemonFactory);
return new NormalizingScalaCompiler(scalaCompiler);
}
}