Java Code Examples for javax.annotation.processing.Filer#createSourceFile()
The following examples show how to use
javax.annotation.processing.Filer#createSourceFile() .
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Example 1
| Source File: JavaFile.java From javapoet with Apache License 2.0 | 6 votes |
|
/** Writes this to {@code filer}. */
public void writeTo(Filer filer) throws IOException {
String fileName = packageName.isEmpty()
? typeSpec.name
: packageName + "." + typeSpec.name;
List<Element> originatingElements = typeSpec.originatingElements;
JavaFileObject filerSourceFile = filer.createSourceFile(fileName,
originatingElements.toArray(new Element[originatingElements.size()]));
try (Writer writer = filerSourceFile.openWriter()) {
writeTo(writer);
} catch (Exception e) {
try {
filerSourceFile.delete();
} catch (Exception ignored) {
}
throw e;
}
}
Example 2
| Source File: ExtensionTest.java From auto with Apache License 2.0 | 6 votes |
|
@Override
public String generateClass(
Context context, String className, String classToExtend, boolean isFinal) {
String sideClassName = "Side_" + context.autoValueClass().getSimpleName();
String sideClass =
"" //
+ "package " + context.packageName() + ";\n"
+ "class " + sideClassName + " {}\n";
Filer filer = context.processingEnvironment().getFiler();
try {
String sideClassFqName = context.packageName() + "." + sideClassName;
JavaFileObject sourceFile =
filer.createSourceFile(sideClassFqName, context.autoValueClass());
try (Writer sourceWriter = sourceFile.openWriter()) {
sourceWriter.write(sideClass);
}
} catch (IOException e) {
context
.processingEnvironment()
.getMessager()
.printMessage(Diagnostic.Kind.ERROR, e.toString());
}
return null;
}
Example 3
| Source File: AnnotationProcessor.java From buck with Apache License 2.0 | 6 votes |
|
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (roundEnv.processingOver()) {
Filer filer = processingEnv.getFiler();
try {
JavaFileObject sourceFile = filer.createSourceFile("com.example.buck.Test");
try (OutputStream out = sourceFile.openOutputStream()) {
out.write("package com.example.buck; class Test { }".getBytes());
}
} catch (IOException e) {
throw new AssertionError(e);
}
}
return false;
}
Example 4
| Source File: LayoutProcessor.java From FastLayout with Apache License 2.0 | 6 votes |
|
private File getProjectRoot() throws Exception {
if (projectRoot == null) {
Filer filer = processingEnv.getFiler();
JavaFileObject dummySourceFile = filer.createSourceFile("dummy" + System.currentTimeMillis());
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 = new URI(dummySourceFilePath);
File dummyFile = new File(cleanURI);
projectRoot = dummyFile.getParentFile();
}
return projectRoot;
}
Example 5
| Source File: JavaWriter.java From dagger2-sample with Apache License 2.0 | 6 votes |
|
public void file(Filer filer, CharSequence name, Iterable<? extends Element> originatingElements)
throws IOException {
JavaFileObject sourceFile = filer.createSourceFile(name,
Iterables.toArray(originatingElements, Element.class));
Closer closer = Closer.create();
try {
write(closer.register(sourceFile.openWriter()));
} catch (Exception e) {
try {
sourceFile.delete();
} catch (Exception e2) {
// couldn't delete the file
}
throw closer.rethrow(e);
} finally {
closer.close();
}
}
Example 6
| Source File: JavaFile.java From JReFrameworker with MIT License | 6 votes |
|
/** Writes this to {@code filer}. */
public void writeTo(Filer filer) throws IOException {
String fileName = packageName.isEmpty()
? typeSpec.name
: packageName + "." + typeSpec.name;
List<Element> originatingElements = typeSpec.originatingElements;
JavaFileObject filerSourceFile = filer.createSourceFile(fileName,
originatingElements.toArray(new Element[originatingElements.size()]));
try (Writer writer = filerSourceFile.openWriter()) {
writeTo(writer);
} catch (Exception e) {
try {
filerSourceFile.delete();
} catch (Exception ignored) {
}
throw e;
}
}
Example 7
| Source File: JavaFile.java From JReFrameworker with MIT License | 6 votes |
|
/** Writes this to {@code filer}. */
public void writeTo(Filer filer) throws IOException {
String fileName = packageName.isEmpty()
? typeSpec.name
: packageName + "." + typeSpec.name;
List<Element> originatingElements = typeSpec.originatingElements;
JavaFileObject filerSourceFile = filer.createSourceFile(fileName,
originatingElements.toArray(new Element[originatingElements.size()]));
try (Writer writer = filerSourceFile.openWriter()) {
writeTo(writer);
} catch (Exception e) {
try {
filerSourceFile.delete();
} catch (Exception ignored) {
}
throw e;
}
}
Example 8
| Source File: ProcessorUtils.java From jackdaw with Apache License 2.0 | 5 votes |
|
public static JavaFileObject createSourceFile(
final TypeElement baseElement, final String packageName, final String className
) throws Exception {
final ProcessingEnvironment env = ProcessorContextHolder.getProcessingEnvironment();
final Filer filer = env.getFiler();
return filer.createSourceFile(packageName + SourceTextUtils.PACKAGE_SEPARATOR + className, baseElement);
}
Example 9
| Source File: AnnotationProcessor.java From buck with Apache License 2.0 | 5 votes |
|
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (!roundEnv.processingOver() && !generated) {
try {
Filer filer = processingEnv.getFiler();
JavaFileObject cSource = filer.createSourceFile("ImmutableC");
try (OutputStream outputStream = cSource.openOutputStream()) {
outputStream.write("public class ImmutableC { }".getBytes());
}
JavaFileObject dSource = filer.createSourceFile("RemovableD");
try (OutputStream outputStream = dSource.openOutputStream()) {
outputStream.write("public class RemovableD { }".getBytes());
}
FileObject dResource =
filer.createResource(StandardLocation.CLASS_OUTPUT, "", "RemovableD");
try (OutputStream outputStream = dResource.openOutputStream()) {
outputStream.write("foo".getBytes());
}
generated = true;
} catch (IOException e) {
throw new AssertionError(e);
}
}
return true;
}
Example 10
| Source File: BaseProcessorTest.java From vertx-docgen with Apache License 2.0 | 5 votes |
|
@Test
public void testGen() throws Exception {
AtomicInteger count = new AtomicInteger();
AbstractProcessor proc = new AbstractProcessor() {
@Override
public Set<String> getSupportedAnnotationTypes() {
return Collections.singleton("*");
}
@Override
public boolean process(Set<? extends TypeElement> annotations, RoundEnvironment roundEnv) {
if (count.getAndIncrement() == 0) {
try {
Filer filer = processingEnv.getFiler();
Element elt = processingEnv.getElementUtils().getTypeElement("gen.GeneratedClass");
JavaFileObject src = filer.createSourceFile("io.vertx.test.gen.GeneratedClass", elt);
try (Writer writer = src.openWriter()) {
writer.append("package io.vertx.test.gen;\npublic class GeneratedClass {\n}");
}
} catch (Exception e) {
e.printStackTrace();
}
}
return true;
}
};
Compiler<TestGenProcessor> compiler = buildCompiler(new TestGenProcessor(), "io.vertx.test.gen");
compiler.addProcessor(proc);
compiler.assertCompile();
assertEquals(3, count.get());
}
Example 11
| Source File: OptionProcessor.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
protected PrintWriter createSourceFile(String pkg, String relativeName, Filer filer, Element... originatingElements) {
try {
// Ensure Unix line endings to comply with code style guide checked by Checkstyle
JavaFileObject sourceFile = filer.createSourceFile(pkg + "." + relativeName, originatingElements);
return new PrintWriter(sourceFile.openWriter()) {
@Override
public void println() {
print("\n");
}
};
} catch (IOException e) {
throw new RuntimeException(e);
}
}
Example 12
| Source File: MasterProcessor.java From soabase-halva with Apache License 2.0 | 5 votes |
|
private void internalCreateSourceFile(String packageName, ClassName templateQualifiedClassName, ClassName generatedQualifiedClassName, String annotationType, TypeSpec.Builder builder, TypeElement element)
{
AnnotationSpec generated = AnnotationSpec
.builder(Generated.class)
.addMember("value", "\"" + annotationType + "\"")
.build();
builder.addAnnotation(generated);
TypeSpec classSpec = builder.build();
JavaFile javaFile = JavaFile.builder(packageName, classSpec)
.addFileComment("Auto generated from $L by Soabase " + annotationType + " annotation processor", templateQualifiedClassName)
.indent(" ")
.build();
Filer filer = processingEnv.getFiler();
try
{
JavaFileObject sourceFile = filer.createSourceFile(generatedQualifiedClassName.toString());
try ( Writer writer = sourceFile.openWriter() )
{
javaFile.writeTo(writer);
}
}
catch ( IOException e )
{
String message = "Could not create source file";
if ( e.getMessage() != null )
{
message = message + ": " + e.getMessage();
}
processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR, message, element);
}
}
Example 13
| Source File: BaseViewGenerator.java From PowerfulRecyclerViewAdapter with Apache License 2.0 | 5 votes |
|
/**
* create a Java source file
*
* @return
*/
protected JavaFileObject createFile() {
JavaFileObject result = null;
Filer filer = processingEnvironment.getFiler();
try {
result = filer.createSourceFile(getModelClassName());
} catch (IOException e) {
logger.log(Diagnostic.Kind.ERROR, "create source file failed");
e.printStackTrace();
}
return result;
}
Example 14
| Source File: MatchProcessor.java From openjdk-jdk9 with GNU General Public License v2.0 | 5 votes |
|
protected PrintWriter createSourceFile(String pkg, String relativeName, Filer filer, Element... originatingElements) {
try {
// Ensure Unix line endings to comply with Graal code style guide checked by Checkstyle
JavaFileObject sourceFile = filer.createSourceFile(pkg + "." + relativeName, originatingElements);
return new PrintWriter(sourceFile.openWriter()) {
@Override
public void println() {
print("\n");
}
};
} catch (IOException e) {
throw new RuntimeException(e);
}
}
Example 15
| Source File: SensorAnnotationsFileBuilder.java From SensorAnnotations with Apache License 2.0 | 4 votes |
|
/**
* Generates the code for our "Sensor Binder" class and writes it to the same package as the
* annotated class.
*
* @param groupedMethodsMap Map of annotated methods per class.
* @param elementUtils ElementUtils class from {@link ProcessingEnvironment}.
* @param filer File writer class from {@link ProcessingEnvironment}.
* @throws IOException
* @throws ProcessingException
*/
static void generateCode(@NonNull Map<String, AnnotatedMethodsPerClass> groupedMethodsMap,
@NonNull Elements elementUtils, @NonNull Filer filer)
throws IOException, ProcessingException {
for (AnnotatedMethodsPerClass groupedMethods : groupedMethodsMap.values()) {
// If we've annotated methods in an activity called "ExampleActivity" then that will be
// the enclosing type element.
TypeElement enclosingClassTypeElement =
elementUtils.getTypeElement(groupedMethods.getEnclosingClassName());
// Create the parameterized type that our generated class will implement,
// (such as "SensorBinder<ExampleActivity>").
ParameterizedTypeName parameterizedInterface = ParameterizedTypeName.get(SENSOR_BINDER,
TypeName.get(enclosingClassTypeElement.asType()));
// Create the target parameter that will be used in the constructor and bind method,
// (such as "ExampleActivity").
ParameterSpec targetParameter =
ParameterSpec.builder(TypeName.get(enclosingClassTypeElement.asType()), "target")
.addModifiers(Modifier.FINAL)
.build();
MethodSpec constructor =
createConstructor(targetParameter, groupedMethods.getItemsMap());
MethodSpec bindMethod = createBindMethod(targetParameter, groupedMethods);
TypeSpec sensorBinderClass =
TypeSpec.classBuilder(enclosingClassTypeElement.getSimpleName() + SUFFIX)
.addModifiers(Modifier.FINAL)
.addSuperinterface(parameterizedInterface)
.addField(SENSOR_MANAGER_FIELD)
.addField(LISTENER_WRAPPERS_FIELD)
.addMethod(constructor)
.addMethod(bindMethod)
.addMethod(UNBIND_METHOD)
.build();
// Output our generated file with the same package as the target class.
PackageElement packageElement = elementUtils.getPackageOf(enclosingClassTypeElement);
JavaFileObject jfo =
filer.createSourceFile(enclosingClassTypeElement.getQualifiedName() + SUFFIX);
Writer writer = jfo.openWriter();
JavaFile.builder(packageElement.toString(), sensorBinderClass)
.addFileComment("This class is generated code from Sensor Lib. Do not modify!")
.addStaticImport(CONTEXT, "SENSOR_SERVICE")
.build()
.writeTo(writer);
writer.close();
}
}
Example 16
| Source File: SystemConfigFactoryGenerator.java From qpid-broker-j with Apache License 2.0 | 4 votes |
|
private String generateObjectFactory(final Filer filer, final ExecutableElement constructorElement)
{
TypeElement classElement = (TypeElement) constructorElement.getEnclosingElement();
String factoryName = classElement.getQualifiedName().toString() + "Factory";
String factorySimpleName = classElement.getSimpleName().toString() + "Factory";
String objectSimpleName = classElement.getSimpleName().toString();
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Generating factory file for " + classElement.getQualifiedName().toString());
PackageElement packageElement = (PackageElement) classElement.getEnclosingElement();
try
{
JavaFileObject factoryFile = filer.createSourceFile(factoryName);
PrintWriter pw = new PrintWriter(new OutputStreamWriter(factoryFile.openOutputStream(), "UTF-8"));
pw.println("/*");
for(String headerLine : License.LICENSE)
{
pw.println(" *" + headerLine);
}
pw.println(" */");
pw.println();
pw.print("package ");
pw.print(packageElement.getQualifiedName());
pw.println(";");
pw.println();
pw.println("import java.security.Principal;");
pw.println("import java.util.Map;");
pw.println();
pw.println("import org.apache.qpid.server.configuration.updater.TaskExecutor;");
pw.println("import org.apache.qpid.server.logging.EventLogger;");
pw.println("import org.apache.qpid.server.model.ConfiguredObjectTypeRegistry;");
pw.println("import org.apache.qpid.server.model.SystemConfig;");
pw.println("import org.apache.qpid.server.plugin.PluggableService;");
pw.println("import org.apache.qpid.server.plugin.SystemConfigFactory;");
pw.println();
pw.println("@PluggableService");
pw.println("public final class " + factorySimpleName + " implements SystemConfigFactory<"+ objectSimpleName +">");
pw.println("{");
pw.println(" public " + factorySimpleName + "()");
pw.println(" {");
pw.println(" }");
pw.println();
pw.println(" @Override");
pw.println(" public final String getType()");
pw.println(" {");
pw.println(" return ConfiguredObjectTypeRegistry.getType(" + objectSimpleName + ".class);");
pw.println(" }");
pw.println();
pw.println(" @Override");
pw.println(" public "+objectSimpleName+" newInstance(final TaskExecutor taskExecutor,");
pw.println(" final EventLogger eventLogger,");
pw.println(" final Principal systemPrincipal,");
pw.println(" final Map<String,Object> attributes)");
pw.println(" {");
pw.println(" return new "+objectSimpleName+"(taskExecutor, eventLogger, systemPrincipal, attributes);");
pw.println(" }");
pw.println("}");
pw.close();
}
catch (IOException e)
{
processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR,
"Failed to write factory file: "
+ factoryName
+ " - "
+ e.getLocalizedMessage());
}
return factoryName;
}
Example 17
| Source File: CompositeTypeConstructorGenerator.java From qpid-broker-j with Apache License 2.0 | 4 votes |
|
private void generateCompositeTypeConstructor(final Filer filer, final TypeElement typeElement)
{
String objectQualifiedClassName = typeElement.getQualifiedName().toString();
String objectSimpleName = typeElement.getSimpleName().toString();
String compositeTypeConstructorNameSimpleName = objectSimpleName + "Constructor";
PackageElement packageElement = (PackageElement) typeElement.getEnclosingElement();
final String compositeTypeConstructorPackage = packageElement.getQualifiedName() + ".codec";
String compositeTypeConstructorName = compositeTypeConstructorPackage + "." + compositeTypeConstructorNameSimpleName;
final CompositeType annotation = typeElement.getAnnotation(CompositeType.class);
processingEnv.getMessager().printMessage(Diagnostic.Kind.NOTE, "Generating composite constructor file for " + objectQualifiedClassName);
try
{
JavaFileObject factoryFile = filer.createSourceFile(compositeTypeConstructorName);
PrintWriter pw = new PrintWriter(new OutputStreamWriter(factoryFile.openOutputStream(), "UTF-8"));
pw.println("/*");
for(String headerLine : License.LICENSE)
{
pw.println(" *" + headerLine);
}
pw.println(" */");
pw.println();
pw.print("package ");
pw.print(compositeTypeConstructorPackage);
pw.println(";");
pw.println();
pw.println("import java.util.List;");
pw.println();
pw.println("import org.apache.qpid.server.protocol.v1_0.codec.AbstractCompositeTypeConstructor;");
pw.println("import org.apache.qpid.server.protocol.v1_0.codec.DescribedTypeConstructorRegistry;");
pw.println("import org.apache.qpid.server.protocol.v1_0.type.AmqpErrorException;");
pw.println("import org.apache.qpid.server.protocol.v1_0.type.Symbol;");
pw.println("import org.apache.qpid.server.protocol.v1_0.type.UnsignedLong;");
pw.println("import org.apache.qpid.server.protocol.v1_0.type.transport.AmqpError;");
pw.println("import org.apache.qpid.server.protocol.v1_0.type.transport.Error;");
pw.println("import " + objectQualifiedClassName + ";");
pw.println();
pw.println("public final class " + compositeTypeConstructorNameSimpleName + " extends AbstractCompositeTypeConstructor<"+ objectSimpleName +">");
pw.println("{");
pw.println(" private static final " + compositeTypeConstructorNameSimpleName + " INSTANCE = new " + compositeTypeConstructorNameSimpleName + "();");
pw.println();
pw.println(" public static void register(DescribedTypeConstructorRegistry registry)");
pw.println(" {");
pw.println(" registry.register(Symbol.valueOf(\"" + annotation.symbolicDescriptor() + "\"), INSTANCE);");
pw.println(String.format(" registry.register(UnsignedLong.valueOf(%#016x), INSTANCE);", annotation.numericDescriptor()));
pw.println(" }");
pw.println();
pw.println(" @Override");
pw.println(" protected String getTypeName()");
pw.println(" {");
pw.println(" return " + objectSimpleName + ".class.getSimpleName();");
pw.println(" }");
pw.println();
pw.println(" @Override");
pw.println(" protected " + objectSimpleName + " construct(final FieldValueReader fieldValueReader) throws AmqpErrorException");
pw.println(" {");
pw.println(" " + objectSimpleName + " obj = new " + objectSimpleName + "();");
pw.println();
generateAssigners(pw, typeElement);
pw.println(" return obj;");
pw.println(" }");
pw.println("}");
pw.close();
}
catch (IOException e)
{
processingEnv.getMessager().printMessage(Diagnostic.Kind.ERROR,
"Failed to write composite constructor file: "
+ compositeTypeConstructorName
+ " - "
+ e.getLocalizedMessage());
}
}
