Example usage for org.objectweb.asm.signature SignatureVisitor visitTypeArgument

Introduction

In this page you can find the example usage for org.objectweb.asm.signature SignatureVisitor visitTypeArgument.

Prototype

public SignatureVisitor visitTypeArgument(final char wildcard)

Source Link

Document

Visits a type argument of the last visited class or inner class type.

Usage

From source file:co.cask.cdap.internal.app.runtime.service.http.HttpHandlerGenerator.java

License:Apache License

/**
 * Generates the class signature of the generate class. The generated class is not parameterized, however
 * it extends from {@link AbstractHttpHandlerDelegator} with parameterized type of the user http handler.
 *
 * @param delegateType Type of the user http handler
 * @return The signature string/* w w w .j a  v  a 2 s.  c o m*/
 */
private String getClassSignature(TypeToken<?> delegateType) {
    SignatureWriter writer = new SignatureWriter();

    // Construct the superclass signature as "AbstractHttpHandlerDelegator<UserHandlerClass>"
    SignatureVisitor sv = writer.visitSuperclass();
    sv.visitClassType(Type.getInternalName(AbstractHttpHandlerDelegator.class));
    SignatureVisitor tv = sv.visitTypeArgument('=');
    tv.visitClassType(Type.getInternalName(delegateType.getRawType()));
    tv.visitEnd();
    sv.visitEnd();

    return writer.toString();
}

From source file:co.cask.cdap.internal.asm.Signatures.java

License:Apache License

public static String getClassSignature(TypeToken<?> interfaceType) {
    SignatureWriter signWriter = new SignatureWriter();
    SignatureVisitor sv = signWriter.visitSuperclass();
    sv.visitClassType(Type.getInternalName(Object.class));
    sv.visitEnd();//from  w w w  . j  av  a  2  s.  c  om

    SignatureVisitor interfaceVisitor = sv.visitInterface();
    interfaceVisitor.visitClassType(Type.getInternalName(interfaceType.getRawType()));

    if (interfaceType.getType() instanceof ParameterizedType) {
        for (java.lang.reflect.Type paramType : ((ParameterizedType) interfaceType.getType())
                .getActualTypeArguments()) {
            interfaceVisitor.visitTypeArgument(SignatureVisitor.INSTANCEOF);
            visitTypeSignature(interfaceType.resolveType(paramType), interfaceVisitor);
        }
    }

    sv.visitEnd();
    return signWriter.toString();
}

From source file:co.cask.cdap.internal.asm.Signatures.java

License:Apache License

public static void visitTypeSignature(TypeToken<?> type, SignatureVisitor visitor) {
    Class<?> rawType = type.getRawType();
    if (rawType.isPrimitive()) {
        visitor.visitBaseType(Type.getType(rawType).toString().charAt(0));
        return;// w  w w .  j  a v a  2 s  .  c  o m
    } else if (rawType.isArray()) {
        visitTypeSignature(type.getComponentType(), visitor.visitArrayType());
        return;
    } else {
        visitor.visitClassType(Type.getInternalName(rawType));
    }

    java.lang.reflect.Type visitType = type.getType();
    if (visitType instanceof ParameterizedType) {
        for (java.lang.reflect.Type argType : ((ParameterizedType) visitType).getActualTypeArguments()) {
            visitTypeSignature(TypeToken.of(argType), visitor.visitTypeArgument(SignatureVisitor.INSTANCEOF));
        }
    }

    visitor.visitEnd();
}

From source file:com.google.code.jconts.instrument.gen.ComputationClassGenerator.java

License:Apache License

public void accept(TransformationContext context) {
    ClassVisitor cv = context.writer();/* w ww .j  ava 2  s.  c  o  m*/

    // extends Object implements Computation<ValueType>
    SignatureWriter sign = new SignatureWriter();
    SignatureVisitor supsign = sign.visitSuperclass();
    supsign.visitClassType(OBJECT_NAME);
    supsign.visitEnd();
    SignatureVisitor iface = sign.visitInterface();
    iface.visitClassType(COMPUTATION_NAME);
    SignatureVisitor argsign = iface.visitTypeArgument('=');
    new SignatureReader(info.valueSignature).acceptType(argsign);
    argsign.visitEnd();

    cv.visit(Opcodes.V1_6, Opcodes.ACC_FINAL, info.computationClassName, sign.toString(), OBJECT_NAME,
            new String[] { COMPUTATION_NAME });

    cv.visitSource(info.ownerSource, null);
    cv.visitInnerClass(info.stateClassName, info.owner, info.stateSimpleName, 0);
    cv.visitInnerClass(info.computationClassName, info.owner, info.computationSimpleName, 0);

    cv.visitField(Opcodes.ACC_PRIVATE | Opcodes.ACC_FINAL, "state", stateDesc, null, null);

    generateConstructor(cv);
    generateExecute(cv);

    cv.visitEnd();
}

From source file:com.google.code.jconts.instrument.gen.ComputationClassGenerator.java

License:Apache License

private void contSignature(SignatureVisitor sign) {
    sign.visitClassType(CONTINUATION_NAME);
    SignatureVisitor argsv = sign.visitTypeArgument('-');
    new SignatureReader(info.valueSignature).acceptType(argsv);
    sign.visitEnd();//from   w  ww .ja  va 2s  . c o m

}

From source file:com.google.code.jconts.instrument.gen.ContinuationClassGenerator.java

License:Apache License

public ContinuationClassGenerator(MethodContext info) {
    this.info = info;
    this.stateDesc = info.stateType.getDescriptor();

    SignatureWriter sign = new SignatureWriter();

    // Name<T> implements Continuation<T>
    sign.visitFormalTypeParameter("T");
    SignatureVisitor v = sign.visitClassBound();
    v.visitClassType(OBJECT_NAME);//from w  w  w . j  a  v a 2 s.  co  m
    v.visitEnd();
    v = sign.visitSuperclass();
    v.visitClassType(OBJECT_NAME);
    v.visitEnd();
    v = sign.visitInterface();
    v.visitClassType(CONTINUATION_NAME);
    v.visitTypeArgument('=').visitTypeVariable("T");
    v.visitEnd();
    this.signature = sign.toString();
}

From source file:org.apache.commons.weaver.privilizer.ActionGenerator.java

License:Apache License

private void begin() {
    owner.visitInnerClass(action.getInternalName(), owner.className, simpleName,
            Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC);

    final SignatureWriter type = new SignatureWriter();
    final SignatureVisitor actionImplemented = type.visitInterface();
    actionImplemented.visitClassType(actionInterface.getInternalName());
    final SignatureVisitor visitTypeArgument = actionImplemented.visitTypeArgument('=');
    new SignatureReader(Privilizer.wrap(methd.getReturnType()).getDescriptor()).accept(visitTypeArgument);
    actionImplemented.visitEnd();//  w  ww . ja va 2  s  .  com

    final String signature = type.toString();

    visit(Opcodes.V1_5, Opcodes.ACC_SUPER | Opcodes.ACC_SYNTHETIC | Opcodes.ACC_FINAL, action.getInternalName(),
            signature, Type.getType(Object.class).getInternalName(),
            new String[] { actionInterface.getInternalName() });
}