Examples with CompilationTask javax.tools.JavaCompiler.CompilationTask used on opensource projects

Example 21 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project javapoet by square.

the class FileReadingTest method compileJavaFile.

@Test
public void compileJavaFile() throws Exception {
    final String value = "Hello World!";
    TypeSpec type = TypeSpec.classBuilder("Test").addModifiers(Modifier.PUBLIC).addSuperinterface(ParameterizedTypeName.get(Callable.class, String.class)).addMethod(MethodSpec.methodBuilder("call").returns(String.class).addModifiers(Modifier.PUBLIC).addStatement("return $S", value).build()).build();
    JavaFile javaFile = JavaFile.builder("foo", type).build();
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnosticCollector = new DiagnosticCollector<>();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnosticCollector, Locale.getDefault(), UTF_8);
    fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Collections.singleton(temporaryFolder.newFolder()));
    CompilationTask task = compiler.getTask(null, fileManager, diagnosticCollector, Collections.emptySet(), Collections.emptySet(), Collections.singleton(javaFile.toJavaFileObject()));
    assertThat(task.call()).isTrue();
    assertThat(diagnosticCollector.getDiagnostics()).isEmpty();
    ClassLoader loader = fileManager.getClassLoader(StandardLocation.CLASS_OUTPUT);
    Callable<?> test = Class.forName("foo.Test", true, loader).asSubclass(Callable.class).getDeclaredConstructor().newInstance();
    assertThat(Callable.class.getMethod("call").invoke(test)).isEqualTo(value);
}

Example 22 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project serverless by bluenimble.

the class SourceCompiler method compile.

public void compile() throws Exception {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    StandardJavaFileManager fileManager = compiler.getStandardFileManager(diagnostics, Locale.getDefault(), null);
    List<JavaFileObject> javaObjects = scanRecursivelyForJavaObjects(sources, fileManager);
    if (javaObjects.size() == 0) {
        throw new Exception("There are no source files to compile in " + sources.getAbsolutePath());
    }
    fileManager.setLocation(StandardLocation.CLASS_PATH, Arrays.asList(new File("build-libs").listFiles()));
    fileManager.setLocation(StandardLocation.CLASS_OUTPUT, Arrays.asList(binaries));
    CompilationTask compilerTask = compiler.getTask(null, fileManager, diagnostics, new ArrayList<String>(), null, javaObjects);
    if (!compilerTask.call()) {
        for (Diagnostic<?> diagnostic : diagnostics.getDiagnostics()) {
            System.err.format("Error on line %d in %s", diagnostic.getLineNumber(), diagnostic);
        }
        throw new Exception("Could not compile project");
    }
}

Example 23 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project yyl_example by Relucent.

the class JavaCompilerTest method compile.

private static boolean compile(String className, String source) {
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    // DiagnosticListener 编译的诊断信息
    DiagnosticCollector<JavaFileObject> diagnostics = new DiagnosticCollector<JavaFileObject>();
    CompilationTask task = compiler.getTask(null, null, diagnostics, Arrays.asList("-d", tempdir), null, Arrays.asList(new JavaSourceFromString(className, source)));
    boolean success = task.call();
    System.out.println("Success: " + success);
    print(diagnostics);
    return success;
}

Example 24 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project jadx by skylot.

the class TestCompiler method compile.

private void compile(List<JavaFileObject> jfObjects) {
    List<String> arguments = new ArrayList<>();
    arguments.add(options.isIncludeDebugInfo() ? "-g" : "-g:none");
    int javaVersion = options.getJavaVersion();
    String javaVerStr = javaVersion <= 8 ? "1." + javaVersion : Integer.toString(javaVersion);
    arguments.add("-source");
    arguments.add(javaVerStr);
    arguments.add("-target");
    arguments.add(javaVerStr);
    arguments.addAll(options.getArguments());
    DiagnosticListener<? super JavaFileObject> diagnostic = diagObj -> System.out.println("Compiler diagnostic: " + diagObj.getMessage(Locale.ROOT));
    Writer out = new PrintWriter(System.out);
    CompilationTask compilerTask = compiler.getTask(out, fileManager, diagnostic, arguments, null, jfObjects);
    if (Boolean.FALSE.equals(compilerTask.call())) {
        throw new RuntimeException("Compilation failed");
    }
}

Example 25 with CompilationTask

use of javax.tools.JavaCompiler.CompilationTask in project auto by google.

the class GeneratedAnnotationsTest method runProcessor.

/**
 * Run {@link TestProcessor} in a compilation with the given {@code options}, and prevent the
 * compilation from accessing classes with the qualified names in {@code maskFromClasspath}.
 */
private String runProcessor(ImmutableList<String> options, @Nullable String packageToMask) throws IOException {
    File tempDir = temporaryFolder.newFolder();
    JavaCompiler compiler = ToolProvider.getSystemJavaCompiler();
    StandardJavaFileManager standardFileManager = compiler.getStandardFileManager(/* diagnosticListener= */
    null, /* locale= */
    null, UTF_8);
    standardFileManager.setLocation(StandardLocation.CLASS_OUTPUT, ImmutableList.of(tempDir));
    StandardJavaFileManager proxyFileManager = Reflection.newProxy(StandardJavaFileManager.class, new FileManagerInvocationHandler(standardFileManager, packageToMask));
    CompilationTask task = compiler.getTask(/* out= */
    null, proxyFileManager, /* diagnosticListener= */
    null, options, /* classes= */
    null, ImmutableList.of(new SimpleJavaFileObject(URI.create("test"), Kind.SOURCE) {

        @Override
        public CharSequence getCharContent(boolean ignoreEncodingErrors) throws IOException {
            return "class Test {}";
        }
    }));
    task.setProcessors(ImmutableList.of(new TestProcessor()));
    assertThat(task.call()).isTrue();
    return new String(Files.readAllBytes(tempDir.toPath().resolve("G.java")), UTF_8);
}