Example usage for org.objectweb.asm Opcodes ACC_PUBLIC

List of usage examples for org.objectweb.asm Opcodes ACC_PUBLIC

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Introduction

In this page you can find the example usage for org.objectweb.asm Opcodes ACC_PUBLIC.

Prototype

int ACC_PUBLIC

To view the source code for org.objectweb.asm Opcodes ACC_PUBLIC.

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Usage

From source file:de.zib.sfs.instrument.FileChannelImplAdapter.java

License:BSD License

private boolean isReadMethod(int access, String name, String desc, String signature, String[] exceptions) {
    return access == Opcodes.ACC_PUBLIC && "read".equals(name)
            && (Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(ByteBuffer.class)).equals(desc)
                    || Type.getMethodDescriptor(Type.LONG_TYPE, Type.getType(ByteBuffer[].class), Type.INT_TYPE,
                            Type.INT_TYPE).equals(desc)
                    || Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(ByteBuffer.class), Type.LONG_TYPE)
                            .equals(desc))
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipReads();
}

From source file:de.zib.sfs.instrument.FileChannelImplAdapter.java

License:BSD License

private boolean isWriteMethod(int access, String name, String desc, String signature, String[] exceptions) {
    return access == Opcodes.ACC_PUBLIC && "write".equals(name)
            && (Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(ByteBuffer.class)).equals(desc)
                    || Type.getMethodDescriptor(Type.LONG_TYPE, Type.getType(ByteBuffer[].class), Type.INT_TYPE,
                            Type.INT_TYPE).equals(desc)
                    || Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(ByteBuffer.class), Type.LONG_TYPE)
                            .equals(desc))
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipWrites();
}

From source file:de.zib.sfs.instrument.FileChannelImplAdapter.java

License:BSD License

private boolean isTransferToMethod(int access, String name, String desc, String signature,
        String[] exceptions) {/*from  ww w  .  j a  va  2s  .co m*/
    return access == Opcodes.ACC_PUBLIC && "transferTo".equals(name)
            && Type.getMethodDescriptor(Type.LONG_TYPE, Type.LONG_TYPE, Type.LONG_TYPE,
                    Type.getType(WritableByteChannel.class)).equals(desc)
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipReads();
}

From source file:de.zib.sfs.instrument.FileChannelImplAdapter.java

License:BSD License

private boolean isTransferFromMethod(int access, String name, String desc, String signature,
        String[] exceptions) {/*w  ww. java2 s. co m*/
    return access == Opcodes.ACC_PUBLIC && "transferFrom".equals(name)
            && Type.getMethodDescriptor(Type.LONG_TYPE, Type.getType(ReadableByteChannel.class), Type.LONG_TYPE,
                    Type.LONG_TYPE).equals(desc)
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipWrites();
}

From source file:de.zib.sfs.instrument.FileChannelImplAdapter.java

License:BSD License

private static boolean isMapMethod(int access, String name, String desc, String signature,
        String[] exceptions) {//from  ww  w. ja v a 2s .  co m
    return access == Opcodes.ACC_PUBLIC && "map".equals(name)
            && Type.getMethodDescriptor(Type.getType(MappedByteBuffer.class), Type.getType(MapMode.class),
                    Type.LONG_TYPE, Type.LONG_TYPE).equals(desc)
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]);
}

From source file:de.zib.sfs.instrument.FileInputStreamAdapter.java

License:BSD License

@Override
protected void appendWrappedMethods(ClassVisitor visitor) {
    wrapMethod(Opcodes.ACC_PRIVATE, "open", Type.VOID_TYPE, new Type[] { Type.getType(String.class) }, null,
            new String[] { Type.getInternalName(FileNotFoundException.class) }, "openCallback",
            Type.getType(String.class), new ParameterResultPasser(1));

    // for all read methods pass the read result to the callback
    ReturnResultPasser resultPasser = new ReturnResultPasser();

    if (!skipReads()) {
        wrapMethod(Opcodes.ACC_PUBLIC, "read", Type.INT_TYPE, null, null,
                new String[] { Type.getInternalName(IOException.class) }, "readCallback", Type.INT_TYPE,
                resultPasser);//w w w .  j av  a  2  s  . c  o m

        wrapMethod(Opcodes.ACC_PUBLIC, "read", Type.INT_TYPE, new Type[] { Type.getType(byte[].class) }, null,
                new String[] { Type.getInternalName(IOException.class) }, "readBytesCallback", Type.INT_TYPE,
                resultPasser);

        wrapMethod(Opcodes.ACC_PUBLIC, "read", Type.INT_TYPE,
                new Type[] { Type.getType(byte[].class), Type.INT_TYPE, Type.INT_TYPE }, null,
                new String[] { Type.getInternalName(IOException.class) }, "readBytesCallback", Type.INT_TYPE,
                resultPasser);
    }
}

From source file:de.zib.sfs.instrument.FileInputStreamAdapter.java

License:BSD License

private boolean isReadMethod(int access, String name, String desc, String signature, String[] exceptions) {
    return access == Opcodes.ACC_PUBLIC && "read".equals(name)
            && (Type.getMethodDescriptor(Type.INT_TYPE).equals(desc)
                    || Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(byte[].class)).equals(desc)
                    || Type.getMethodDescriptor(Type.INT_TYPE, Type.getType(byte[].class), Type.INT_TYPE,
                            Type.INT_TYPE).equals(desc))
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipReads();
}

From source file:de.zib.sfs.instrument.FileOutputStreamAdapter.java

License:BSD License

@Override
protected void appendWrappedMethods(ClassVisitor visitor) {
    ResultPasser resultDiscarder = new DiscardResultPasser();

    wrapMethod(Opcodes.ACC_PRIVATE, "open", Type.VOID_TYPE,
            new Type[] { Type.getType(String.class), Type.BOOLEAN_TYPE }, null,
            new String[] { Type.getInternalName(FileNotFoundException.class) }, "openCallback",
            Type.getType(String.class), new ParameterResultPasser(1));

    if (!skipWrites()) {
        // 1 byte write, no result needed
        wrapMethod(Opcodes.ACC_PUBLIC, "write", Type.VOID_TYPE, new Type[] { Type.INT_TYPE }, null,
                new String[] { Type.getInternalName(IOException.class) }, "writeCallback", null,
                resultDiscarder);/*from ww  w  .  ja  v  a  2s. c o  m*/

        // have the byte array put on top of the stack, then pass its length
        // to the callback
        wrapMethod(Opcodes.ACC_PUBLIC, "write", Type.VOID_TYPE, new Type[] { Type.getType(byte[].class) }, null,
                new String[] { Type.getInternalName(IOException.class) }, "writeBytesCallback", Type.INT_TYPE,
                new ParameterResultPasser(1) {
                    @Override
                    public void passResult(MethodVisitor mv) {
                        mv.visitInsn(Opcodes.ARRAYLENGTH);
                    }
                });

        // have the len parameter put on top of the stack
        wrapMethod(Opcodes.ACC_PUBLIC, "write", Type.VOID_TYPE,
                new Type[] { Type.getType(byte[].class), Type.INT_TYPE, Type.INT_TYPE }, null,
                new String[] { Type.getInternalName(IOException.class) }, "writeBytesCallback", Type.INT_TYPE,
                new ParameterResultPasser(3));
    }
}

From source file:de.zib.sfs.instrument.FileOutputStreamAdapter.java

License:BSD License

private boolean isWriteMethod(int access, String name, String desc, String signature, String[] exceptions) {
    return access == Opcodes.ACC_PUBLIC && "write".equals(name)
            && (Type.getMethodDescriptor(Type.VOID_TYPE, Type.INT_TYPE).equals(desc)
                    || Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(byte[].class)).equals(desc)
                    || Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(byte[].class), Type.INT_TYPE,
                            Type.INT_TYPE).equals(desc))
            && null == signature && exceptions != null && exceptions.length == 1
            && Type.getInternalName(IOException.class).equals(exceptions[0]) && !skipWrites();
}

From source file:de.zib.sfs.instrument.MappedByteBufferAdapter.java

License:BSD License

@Override
protected void appendWrappedMethods(ClassVisitor visitor) {
    // public void setFromFileChannel(boolean fromFileChannel) {
    MethodVisitor setFromFileChannelMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "setFromFileChannel",
            Type.getMethodDescriptor(Type.VOID_TYPE, Type.BOOLEAN_TYPE), null, null);
    setFromFileChannelMV.visitCode();/*ww w . ja v  a 2s.c  o m*/

    // this.fromFileChannel = fromFileChannel;
    setFromFileChannelMV.visitVarInsn(Opcodes.ALOAD, 0);
    setFromFileChannelMV.visitVarInsn(Opcodes.ILOAD, 1);
    setFromFileChannelMV.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fromFileChannel", Type.getDescriptor(Boolean.TYPE));

    // }
    setFromFileChannelMV.visitInsn(Opcodes.RETURN);
    setFromFileChannelMV.visitMaxs(0, 0);
    setFromFileChannelMV.visitEnd();

    // public boolean isFromFileChannel() {
    MethodVisitor isFromFileChannelMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "isFromFileChannel",
            Type.getMethodDescriptor(Type.BOOLEAN_TYPE), null, null);
    isFromFileChannelMV.visitCode();

    // return fromFileChannel;
    // }
    isFromFileChannelMV.visitVarInsn(Opcodes.ALOAD, 0);
    isFromFileChannelMV.visitFieldInsn(Opcodes.GETFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fromFileChannel", Type.getDescriptor(Boolean.TYPE));
    isFromFileChannelMV.visitInsn(Opcodes.IRETURN);
    isFromFileChannelMV.visitMaxs(0, 0);
    isFromFileChannelMV.visitEnd();

    // public void setFileDescriptor(FileDescriptor fileDescriptor) {
    MethodVisitor settFileDescriptorMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "setFileDescriptor",
            Type.getMethodDescriptor(Type.VOID_TYPE, Type.getType(FileDescriptor.class)), null, null);
    settFileDescriptorMV.visitCode();

    // this.fileDescriptor = fileDescriptor;
    settFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 0);
    settFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 1);
    settFileDescriptorMV.visitFieldInsn(Opcodes.PUTFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fileDescriptor", Type.getDescriptor(FileDescriptor.class));

    // }
    settFileDescriptorMV.visitInsn(Opcodes.RETURN);
    settFileDescriptorMV.visitMaxs(0, 0);
    settFileDescriptorMV.visitEnd();

    // public FileDescriptor getFileDescriptor() {
    MethodVisitor getFileDescriptorMV = visitor.visitMethod(Opcodes.ACC_PUBLIC, "getFileDescriptor",
            Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), null, null);
    getFileDescriptorMV.visitCode();

    // return getFileDescriptorImpl();
    // }
    getFileDescriptorMV.visitVarInsn(Opcodes.ALOAD, 0);
    getFileDescriptorMV.visitMethodInsn(Opcodes.INVOKESPECIAL, this.instrumentedTypeInternalName,
            "getFileDescriptorImpl", Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), false);
    getFileDescriptorMV.visitInsn(Opcodes.ARETURN);
    getFileDescriptorMV.visitMaxs(0, 0);
    getFileDescriptorMV.visitEnd();

    // protected FileDescriptor getFileDescriptorImpl() {
    MethodVisitor getFileDescriptorImplMV = visitor.visitMethod(Opcodes.ACC_PROTECTED, "getFileDescriptorImpl",
            Type.getMethodDescriptor(Type.getType(FileDescriptor.class)), null, null);
    getFileDescriptorImplMV.visitCode();

    // return fileDescriptor;
    // }
    getFileDescriptorImplMV.visitVarInsn(Opcodes.ALOAD, 0);
    getFileDescriptorImplMV.visitFieldInsn(Opcodes.GETFIELD, Type.getInternalName(MappedByteBuffer.class),
            "fileDescriptor", Type.getDescriptor(FileDescriptor.class));
    getFileDescriptorImplMV.visitInsn(Opcodes.ARETURN);
    getFileDescriptorImplMV.visitMaxs(0, 0);
    getFileDescriptorImplMV.visitEnd();

    visitor.visitEnd();
}