Examples with FileObject javax.tools.FileObject used on opensource projects

Example 66 with FileObject

use of javax.tools.FileObject in project accent4j by cinchapi.

the class RuntimeDynamics method newAnonymousObject.

/**
 * Make a best effort to return an object that belongs to a class that is
 * dynamically created at runtime.
 *
 * @return the anonymous object
 */
@SuppressWarnings({ "unchecked", "rawtypes" })
public static Object newAnonymousObject() {
    try {
        StringBuilder source = new StringBuilder();
        String clazz = "A" + System.currentTimeMillis();
        source.append("public class ").append(clazz).append(" {}");
        ByteArrayOutputStream output = new ByteArrayOutputStream();
        SimpleJavaFileObject file = new SimpleJavaFileObject(URI.create(clazz + ".java"), javax.tools.JavaFileObject.Kind.SOURCE) {

            @Override
            public CharSequence getCharContent(boolean ignoreEncodingErrors) {
                return source.toString();
            }

            @Override
            public OutputStream openOutputStream() throws IOException {
                return output;
            }
        };
        JavaFileManager manager = new ForwardingJavaFileManager(ToolProvider.getSystemJavaCompiler().getStandardFileManager(null, null, null)) {

            @Override
            public JavaFileObject getJavaFileForOutput(Location location, String className, JavaFileObject.Kind kind, FileObject sibling) throws IOException {
                return file;
            }
        };
        ToolProvider.getSystemJavaCompiler().getTask(null, manager, null, null, null, Collections.singletonList(file)).call();
        final byte[] bytes = output.toByteArray();
        final Field f = sun.misc.Unsafe.class.getDeclaredField("theUnsafe");
        f.setAccessible(true);
        final sun.misc.Unsafe unsafe = (sun.misc.Unsafe) f.get(null);
        final Class<?> anonymous = unsafe.defineClass(clazz, bytes, 0, bytes.length, null, null);
        return anonymous.newInstance();
    } catch (Exception e) {
        return new Object() {
        };
    }
}

Example 67 with FileObject

use of javax.tools.FileObject in project hudson-2.x by hudson.

the class PluginMarker method write.

/**
 * Writes plugin class name to the defined location.
 *
 * @param typeElement detected element.
 * @throws IOException exception.
 */
private void write(TypeElement typeElement) throws IOException {
    FileObject f = processingEnv.getFiler().createResource(StandardLocation.CLASS_OUTPUT, "", META_INF_SERVICES_LOCATION);
    Writer w = new OutputStreamWriter(f.openOutputStream(), "UTF-8");
    try {
        w.write(typeElement.getQualifiedName().toString());
    } finally {
        w.close();
    }
}

Example 68 with FileObject

use of javax.tools.FileObject in project ngAndroid by davityle.

the class FileHelper method findRootProjectHolder.

/**
 * We use a dirty trick to find the AndroidManifest.xml file, since it's not
 * available in the classpath. The idea is quite simple : create a fake
 * class file, retrieve its URI, and start going up in parent folders to
 * find the AndroidManifest.xml file. Any better solution will be
 * appreciated.
 */
public Option<FileHolder> findRootProjectHolder() {
    Filer filer = processingEnv.getFiler();
    FileObject dummySourceFile;
    try {
        dummySourceFile = filer.createResource(StandardLocation.SOURCE_OUTPUT, "com", "dummy" + System.currentTimeMillis());
    } catch (IOException ignored) {
        return Option.absent();
    }
    String dummySourceFilePath = dummySourceFile.toUri().toString();
    if (dummySourceFilePath.startsWith("file:")) {
        if (!dummySourceFilePath.startsWith("file://")) {
            dummySourceFilePath = "file://" + dummySourceFilePath.substring("file:".length());
        }
    } else {
        dummySourceFilePath = "file://" + dummySourceFilePath;
    }
    URI cleanURI;
    try {
        cleanURI = new URI(dummySourceFilePath);
    } catch (URISyntaxException e) {
        return Option.absent();
    }
    try {
        File dummyFile = new File(cleanURI);
        File sourcesGenerationFolder = dummyFile.getParentFile();
        File projectRoot = sourcesGenerationFolder.getParentFile();
        return Option.of(new FileHolder(dummySourceFilePath, sourcesGenerationFolder, projectRoot));
    } catch (IllegalArgumentException ex) {
        return Option.absent();
    }
}

Example 69 with FileObject

use of javax.tools.FileObject in project dubbo by alibaba.

the class ClassPathMetadataStorage method getWriter.

private Writer getWriter(String resourceName) throws IOException {
    FileObject fileObject = createResource(resourceName);
    info("The resource[path : %s , deleted : %s] will be written", fileObject.toUri().getPath(), fileObject.delete());
    return fileObject.openWriter();
}

Example 70 with FileObject

use of javax.tools.FileObject in project spring-boot by spring-projects.

the class MetadataStore method getAdditionalMetadataStream.

private InputStream getAdditionalMetadataStream() throws IOException {
    // Most build systems will have copied the file to the class output location
    FileObject fileObject = this.environment.getFiler().getResource(StandardLocation.CLASS_OUTPUT, "", ADDITIONAL_METADATA_PATH);
    File file = locateAdditionalMetadataFile(new File(fileObject.toUri()));
    return (file.exists() ? new FileInputStream(file) : fileObject.toUri().toURL().openStream());
}