Java tutorial
/* * Copyright (C) 2010-2014 The Project Lombok Authors. * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in * all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN * THE SOFTWARE. */ package lombok; import java.io.File; import java.io.StringWriter; import java.util.ArrayList; import java.util.Arrays; import java.util.Collection; import java.util.HashMap; import java.util.Iterator; import java.util.List; import java.util.Locale; import java.util.Map; import java.util.concurrent.atomic.AtomicReference; import lombok.eclipse.Eclipse; import lombok.javac.CapturingDiagnosticListener.CompilerMessage; import org.eclipse.jdt.core.compiler.CategorizedProblem; import org.eclipse.jdt.internal.compiler.CompilationResult; import org.eclipse.jdt.internal.compiler.Compiler; import org.eclipse.jdt.internal.compiler.ICompilerRequestor; import org.eclipse.jdt.internal.compiler.IErrorHandlingPolicy; import org.eclipse.jdt.internal.compiler.ast.CompilationUnitDeclaration; import org.eclipse.jdt.internal.compiler.batch.CompilationUnit; import org.eclipse.jdt.internal.compiler.batch.FileSystem; import org.eclipse.jdt.internal.compiler.env.ICompilationUnit; import org.eclipse.jdt.internal.compiler.impl.CompilerOptions; import org.eclipse.jdt.internal.compiler.problem.DefaultProblemFactory; public class RunTestsViaEcj extends AbstractRunTests { protected CompilerOptions ecjCompilerOptions() { CompilerOptions options = new CompilerOptions(); options.complianceLevel = Eclipse.getLatestEcjCompilerVersionConstant(); options.sourceLevel = Eclipse.getLatestEcjCompilerVersionConstant(); options.targetJDK = Eclipse.getLatestEcjCompilerVersionConstant(); options.docCommentSupport = false; options.parseLiteralExpressionsAsConstants = true; options.inlineJsrBytecode = true; options.reportUnusedDeclaredThrownExceptionExemptExceptionAndThrowable = false; options.reportUnusedDeclaredThrownExceptionIncludeDocCommentReference = false; options.reportUnusedDeclaredThrownExceptionWhenOverriding = false; options.reportUnusedParameterIncludeDocCommentReference = false; options.reportUnusedParameterWhenImplementingAbstract = false; options.reportUnusedParameterWhenOverridingConcrete = false; options.reportDeadCodeInTrivialIfStatement = false; options.generateClassFiles = false; Map<String, String> warnings = new HashMap<String, String>(); warnings.put(CompilerOptions.OPTION_ReportUnusedLocal, "ignore"); warnings.put(CompilerOptions.OPTION_ReportUnusedLabel, "ignore"); warnings.put(CompilerOptions.OPTION_ReportUnusedImport, "ignore"); warnings.put(CompilerOptions.OPTION_ReportUnusedPrivateMember, "ignore"); warnings.put(CompilerOptions.OPTION_Source, "1." + Eclipse.getEcjCompilerVersion()); options.set(warnings); return options; } protected IErrorHandlingPolicy ecjErrorHandlingPolicy() { return new IErrorHandlingPolicy() { public boolean stopOnFirstError() { return true; } public boolean proceedOnErrors() { return false; } @SuppressWarnings("all") // Added to the interface in later ecj version. public boolean ignoreAllErrors() { return false; } }; } @Override public void transformCode(Collection<CompilerMessage> messages, StringWriter result, File file, String encoding, Map<String, String> formatPreferences) throws Throwable { final AtomicReference<CompilationResult> compilationResult_ = new AtomicReference<CompilationResult>(); final AtomicReference<CompilationUnitDeclaration> compilationUnit_ = new AtomicReference<CompilationUnitDeclaration>(); ICompilerRequestor bitbucketRequestor = new ICompilerRequestor() { @Override public void acceptResult(CompilationResult result) { compilationResult_.set(result); } }; String source = readFile(file); final CompilationUnit sourceUnit = new CompilationUnit(source.toCharArray(), file.getName(), encoding == null ? "UTF-8" : encoding); Compiler ecjCompiler = new Compiler(createFileSystem(file), ecjErrorHandlingPolicy(), ecjCompilerOptions(), bitbucketRequestor, new DefaultProblemFactory(Locale.ENGLISH)) { @Override protected synchronized void addCompilationUnit(ICompilationUnit inUnit, CompilationUnitDeclaration parsedUnit) { if (inUnit == sourceUnit) compilationUnit_.set(parsedUnit); super.addCompilationUnit(inUnit, parsedUnit); } }; ecjCompiler.compile(new ICompilationUnit[] { sourceUnit }); CompilationResult compilationResult = compilationResult_.get(); CategorizedProblem[] problems = compilationResult.getAllProblems(); if (problems != null) for (CategorizedProblem p : problems) { messages.add(new CompilerMessage(p.getSourceLineNumber(), p.getSourceStart(), p.isError(), p.getMessage())); } CompilationUnitDeclaration cud = compilationUnit_.get(); if (cud == null) result.append("---- NO CompilationUnit provided by ecj ----"); else result.append(cud.toString()); } private FileSystem createFileSystem(File file) { List<String> classpath = new ArrayList<String>(); classpath.addAll(Arrays.asList(System.getProperty("sun.boot.class.path").split(File.pathSeparator))); for (Iterator<String> i = classpath.iterator(); i.hasNext();) { if (FileSystem.getClasspath(i.next(), "UTF-8", null) == null) { i.remove(); } } classpath.add("bin"); classpath.add("dist/lombok.jar"); classpath.add("lib/test/commons-logging-commons-logging.jar"); classpath.add("lib/test/org.slf4j-slf4j-api.jar"); classpath.add("lib/test/org.slf4j-slf4j-ext.jar"); classpath.add("lib/test/log4j-log4j.jar"); classpath.add("lib/test/org.apache.logging.log4j-log4j-api.jar"); classpath.add("lib/test/com.google.guava-guava.jar"); classpath.add("lib/test/com.google.code.findbugs-findbugs.jar"); return new FileSystem(classpath.toArray(new String[0]), new String[] { file.getAbsolutePath() }, "UTF-8"); } }