| /* |
| * Copyright 2000-2014 JetBrains s.r.o. |
| * |
| * 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.jetbrains.jps.builders.impl.java; |
| |
| import com.intellij.util.ExceptionUtil; |
| import org.jetbrains.annotations.NotNull; |
| import org.jetbrains.annotations.Nullable; |
| import org.jetbrains.jps.builders.java.CannotCreateJavaCompilerException; |
| import org.jetbrains.jps.builders.java.JavaCompilingTool; |
| import org.jetbrains.jps.javac.JavacMain; |
| import org.jetbrains.jps.model.java.compiler.JavaCompilers; |
| |
| import javax.tools.*; |
| import java.io.File; |
| import java.util.Collections; |
| import java.util.List; |
| |
| /** |
| * @author nik |
| */ |
| public class JavacCompilerTool extends JavaCompilingTool { |
| @NotNull |
| @Override |
| public String getId() { |
| return JavaCompilers.JAVAC_ID; |
| } |
| |
| @Nullable |
| @Override |
| public String getAlternativeId() { |
| return JavaCompilers.JAVAC_API_ID; |
| } |
| |
| @NotNull |
| @Override |
| public String getDescription() { |
| return "javac " + System.getProperty("java.version"); |
| } |
| |
| @NotNull |
| @Override |
| public JavaCompiler createCompiler() throws CannotCreateJavaCompilerException { |
| JavaCompiler compiler = ToolProvider.getSystemJavaCompiler(); |
| if (compiler != null) { |
| return compiler; |
| } |
| |
| String message = "System Java Compiler was not found in classpath"; |
| // trying to obtain additional diagnostic for the case when compiler.jar is present, but there were problems with compiler class loading: |
| try { |
| Class.forName("com.sun.tools.javac.api.JavacTool", false, JavacMain.class.getClassLoader()); |
| } |
| catch (Throwable ex) { |
| message = message + ":\n" + ExceptionUtil.getThrowableText(ex); |
| } |
| throw new CannotCreateJavaCompilerException(message); |
| } |
| |
| @NotNull |
| @Override |
| public List<File> getAdditionalClasspath() { |
| return Collections.emptyList(); |
| } |
| |
| @Override |
| public List<String> getDefaultCompilerOptions() { |
| return Collections.singletonList("-implicit:class"); |
| } |
| } |