Java Code Examples for java.io.DataOutputStream#writeByte()

The following examples show how to use java.io.DataOutputStream#writeByte() . These examples are extracted from open source projects. You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.
Example 1
private MethodInfo generateStaticInitializerCaller() throws IOException {
    MethodInfo minfo = new MethodInfo("<clinit>", "()V", ACC_STATIC);

    DataOutputStream out = new DataOutputStream(minfo.code);
    out.writeByte(opc_invokestatic);
    out.writeShort(cp.getMethodRef(dotToSlash(className), initMethodName, "()V"));
    out.writeByte(opc_return);

    minfo.declaredExceptions = new short[0];
    return minfo;
}
 
Example 2
Source Project: incubator-iotdb   File: DataAuthPlan.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void serialize(DataOutputStream stream) throws IOException {
  int type = this.getPlanType(super.getOperatorType());
  stream.writeByte((byte) type);
  stream.writeInt(users.size());

  for (String user : users) {
    putString(stream, user);
  }
}
 
Example 3
public void
serialiseStats(
	storageKey			key,
	DataOutputStream	dos )

	throws IOException
{
	dos.writeByte( (byte)0 );	// version
	dos.writeInt( key.getEntryCount());
	dos.writeInt( key.getSize());
	dos.writeInt( key.getReadsPerMinute());
	dos.writeByte( key.getDiversificationType());
}
 
Example 4
Source Project: Bytecoder   File: JSR_W.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Dump instruction as byte code to stream out.
 * @param out Output stream
 */
@Override
public void dump( final DataOutputStream out ) throws IOException {
    super.setIndex(getTargetOffset());
    out.writeByte(super.getOpcode());
    out.writeInt(super.getIndex());
}
 
Example 5
Source Project: cloudstack   File: MouseEventPacket.java    License: Apache License 2.0 5 votes vote down vote up
@Override
public void write(DataOutputStream os) throws IOException {
    os.writeByte(RfbConstants.CLIENT_POINTER_EVENT);

    os.writeByte(buttonMask);
    os.writeShort(x);
    os.writeShort(y);
}
 
Example 6
Source Project: Bytecoder   File: JSR.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Dump instruction as byte code to stream out.
 * @param out Output stream
 */
@Override
public void dump( final DataOutputStream out ) throws IOException {
    super.setIndex(getTargetOffset());
    if (super.getOpcode() == com.sun.org.apache.bcel.internal.Const.JSR) {
        super.dump(out);
    } else { // JSR_W
        super.setIndex(getTargetOffset());
        out.writeByte(super.getOpcode());
        out.writeInt(super.getIndex());
    }
}
 
Example 7
/**
 * Serialize the header fields into a byte array. Note this method does not
 * serialize the header nonce and tag.
 * 
 * @return
 *         the serialized bytes of the header fields not including the
 *         header nonce and tag.
 */
public byte[] serializeAuthenticatedFields() {
    try {
        ByteArrayOutputStream outBytes = new ByteArrayOutputStream();
        DataOutputStream dataStream = new DataOutputStream(outBytes);

        dataStream.writeByte(version_);
        dataStream.writeByte(typeVal_);
        dataStream.writeShort(cryptoAlgoVal_);
        dataStream.write(messageId_);
        PrimitivesParser.writeUnsignedShort(dataStream, encryptionContextLen_);
        if (encryptionContextLen_ > 0) {
            dataStream.write(encryptionContext_);
        }

        dataStream.writeShort(cipherKeyCount_);
        for (int i = 0; i < cipherKeyCount_; i++) {
            final byte[] cipherKeyBlobBytes = cipherKeyBlobs_.get(i).toByteArray();
            dataStream.write(cipherKeyBlobBytes);
        }

        dataStream.writeByte(contentTypeVal_);
        dataStream.writeInt(reservedField_);

        dataStream.writeByte(nonceLen_);
        dataStream.writeInt(frameLength_);

        dataStream.close();
        return outBytes.toByteArray();
    } catch (IOException e) {
        throw new RuntimeException("Failed to serialize cipher text headers", e);
    }
}
 
Example 8
@VisibleForTesting
public static void serializeOperatorStateHandle(
	OperatorStateHandle stateHandle, DataOutputStream dos) throws IOException {

	if (stateHandle != null) {
		dos.writeByte(PARTITIONABLE_OPERATOR_STATE_HANDLE);
		Map<String, OperatorStateHandle.StateMetaInfo> partitionOffsetsMap =
				stateHandle.getStateNameToPartitionOffsets();
		dos.writeInt(partitionOffsetsMap.size());
		for (Map.Entry<String, OperatorStateHandle.StateMetaInfo> entry : partitionOffsetsMap.entrySet()) {
			dos.writeUTF(entry.getKey());

			OperatorStateHandle.StateMetaInfo stateMetaInfo = entry.getValue();

			int mode = stateMetaInfo.getDistributionMode().ordinal();
			dos.writeByte(mode);

			long[] offsets = stateMetaInfo.getOffsets();
			dos.writeInt(offsets.length);
			for (long offset : offsets) {
				dos.writeLong(offset);
			}
		}
		serializeStreamStateHandle(stateHandle.getDelegateStateHandle(), dos);
	} else {
		dos.writeByte(NULL_HANDLE);
	}
}
 
Example 9
static void fputword(DataOutputStream dataOut, short n) {
    try {
        dataOut.writeByte((byte) n);
        dataOut.writeByte((byte) (n >> 8));
    } catch (java.io.IOException read) {
        System.out.println("Error occured while writing output file.");
    }

}
 
Example 10
/**
 * Generate code to invoke the Class.forName with the name of the given
 * class to get its Class object at runtime.  The code is written to
 * the supplied stream.  Note that the code generated by this method
 * may caused the checked ClassNotFoundException to be thrown.
 */
private void codeClassForName(Class<?> cl, DataOutputStream out)
    throws IOException
{
    code_ldc(cp.getString(cl.getName()), out);

    out.writeByte(opc_invokestatic);
    out.writeShort(cp.getMethodRef(
        "java/lang/Class",
        "forName", "(Ljava/lang/String;)Ljava/lang/Class;"));
}
 
Example 11
Source Project: hbase   File: PrivateCellUtil.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Write rowkey excluding the common part.
 * @param cell
 * @param rLen
 * @param commonPrefix
 * @param out
 * @throws IOException
 */
public static void writeRowKeyExcludingCommon(Cell cell, short rLen, int commonPrefix,
    DataOutputStream out) throws IOException {
  if (commonPrefix == 0) {
    out.writeShort(rLen);
  } else if (commonPrefix == 1) {
    out.writeByte((byte) rLen);
    commonPrefix--;
  } else {
    commonPrefix -= KeyValue.ROW_LENGTH_SIZE;
  }
  if (rLen > commonPrefix) {
    writeRowSkippingBytes(out, cell, rLen, commonPrefix);
  }
}
 
Example 12
Source Project: brouter   File: MapCreatorBase.java    License: MIT License 5 votes vote down vote up
protected static void writeId( DataOutputStream o, long id ) throws IOException
{
    if ( id == -1 )
    {
      o.writeByte( 32 );
      return;
    }
    int offset = (int)( id & 0x1f );
    int i = (int)( id >> 5 );
    o.writeByte( offset );
    o.writeInt( i );
}
 
Example 13
Source Project: mapwriter   File: Nbt.java    License: MIT License 5 votes vote down vote up
public void writeElement(DataOutputStream dos) throws IOException{
	dos.writeByte(this.tagID);
	if (this.tagID != TAG_END) {
		dos.writeUTF(this.name);
		this.writeElementData(dos);
	}
}
 
Example 14
Source Project: bazel   File: PersistentMap.java    License: Apache License 2.0 5 votes vote down vote up
/**
 * Writes the Map entries to the specified DataOutputStream.
 *
 * @param out the DataOutputStream to write the Map entries to.
 * @param map the Map containing the entries to be written to the
 *        DataOutputStream.
 * @throws IOException
 */
private void writeEntries(DataOutputStream out, Map<K, V> map) throws IOException {
  for (Map.Entry<K, V> entry : map.entrySet()) {
    out.writeByte(ENTRY_MAGIC);
    writeKey(entry.getKey(), out);
    V value = entry.getValue();
    boolean isEntry = (value != null);
    out.writeBoolean(isEntry);
    if (isEntry) {
      writeValue(value, out);
    }
  }
}
 
Example 15
/**
 * Generate code for initializing the static field that stores
 * the Method object for this proxy method.  The code is written
 * to the supplied stream.
 */
private void codeFieldInitialization(DataOutputStream out)
    throws IOException
{
    codeClassForName(fromClass, out);

    code_ldc(cp.getString(methodName), out);

    code_ipush(parameterTypes.length, out);

    out.writeByte(opc_anewarray);
    out.writeShort(cp.getClass("java/lang/Class"));

    for (int i = 0; i < parameterTypes.length; i++) {

        out.writeByte(opc_dup);

        code_ipush(i, out);

        if (parameterTypes[i].isPrimitive()) {
            PrimitiveTypeInfo prim =
                PrimitiveTypeInfo.get(parameterTypes[i]);

            out.writeByte(opc_getstatic);
            out.writeShort(cp.getFieldRef(
                prim.wrapperClassName, "TYPE", "Ljava/lang/Class;"));

        } else {
            codeClassForName(parameterTypes[i], out);
        }

        out.writeByte(opc_aastore);
    }

    out.writeByte(opc_invokevirtual);
    out.writeShort(cp.getMethodRef(
        "java/lang/Class",
        "getMethod",
        "(Ljava/lang/String;[Ljava/lang/Class;)" +
        "Ljava/lang/reflect/Method;"));

    out.writeByte(opc_putstatic);
    out.writeShort(cp.getFieldRef(
        dotToSlash(className),
        methodFieldName, "Ljava/lang/reflect/Method;"));
}
 
Example 16
/**
 * Generate code for initializing the static field that stores
 * the Method object for this proxy method.  The code is written
 * to the supplied stream.
 */
private void codeFieldInitialization(DataOutputStream out)
    throws IOException
{
    codeClassForName(fromClass, out);

    code_ldc(cp.getString(methodName), out);

    code_ipush(parameterTypes.length, out);

    out.writeByte(opc_anewarray);
    out.writeShort(cp.getClass("java/lang/Class"));

    for (int i = 0; i < parameterTypes.length; i++) {

        out.writeByte(opc_dup);

        code_ipush(i, out);

        if (parameterTypes[i].isPrimitive()) {
            PrimitiveTypeInfo prim =
                PrimitiveTypeInfo.get(parameterTypes[i]);

            out.writeByte(opc_getstatic);
            out.writeShort(cp.getFieldRef(
                prim.wrapperClassName, "TYPE", "Ljava/lang/Class;"));

        } else {
            codeClassForName(parameterTypes[i], out);
        }

        out.writeByte(opc_aastore);
    }

    out.writeByte(opc_invokevirtual);
    out.writeShort(cp.getMethodRef(
        "java/lang/Class",
        "getMethod",
        "(Ljava/lang/String;[Ljava/lang/Class;)" +
        "Ljava/lang/reflect/Method;"));

    out.writeByte(opc_putstatic);
    out.writeShort(cp.getFieldRef(
        dotToSlash(className),
        methodFieldName, "Ljava/lang/reflect/Method;"));
}
 
Example 17
/**
 * Generate the static initializer method for the proxy class.
 */
private MethodInfo generateStaticInitializer() throws IOException {
    MethodInfo minfo = new MethodInfo(
        "<clinit>", "()V", ACC_STATIC);

    int localSlot0 = 1;
    short pc, tryBegin = 0, tryEnd;

    DataOutputStream out = new DataOutputStream(minfo.code);

    for (List<ProxyMethod> sigmethods : proxyMethods.values()) {
        for (ProxyMethod pm : sigmethods) {
            pm.codeFieldInitialization(out);
        }
    }

    out.writeByte(opc_return);

    tryEnd = pc = (short) minfo.code.size();

    minfo.exceptionTable.add(new ExceptionTableEntry(
        tryBegin, tryEnd, pc,
        cp.getClass("java/lang/NoSuchMethodException")));

    code_astore(localSlot0, out);

    out.writeByte(opc_new);
    out.writeShort(cp.getClass("java/lang/NoSuchMethodError"));

    out.writeByte(opc_dup);

    code_aload(localSlot0, out);

    out.writeByte(opc_invokevirtual);
    out.writeShort(cp.getMethodRef(
        "java/lang/Throwable", "getMessage", "()Ljava/lang/String;"));

    out.writeByte(opc_invokespecial);
    out.writeShort(cp.getMethodRef(
        "java/lang/NoSuchMethodError", "<init>", "(Ljava/lang/String;)V"));

    out.writeByte(opc_athrow);

    pc = (short) minfo.code.size();

    minfo.exceptionTable.add(new ExceptionTableEntry(
        tryBegin, tryEnd, pc,
        cp.getClass("java/lang/ClassNotFoundException")));

    code_astore(localSlot0, out);

    out.writeByte(opc_new);
    out.writeShort(cp.getClass("java/lang/NoClassDefFoundError"));

    out.writeByte(opc_dup);

    code_aload(localSlot0, out);

    out.writeByte(opc_invokevirtual);
    out.writeShort(cp.getMethodRef(
        "java/lang/Throwable", "getMessage", "()Ljava/lang/String;"));

    out.writeByte(opc_invokespecial);
    out.writeShort(cp.getMethodRef(
        "java/lang/NoClassDefFoundError",
        "<init>", "(Ljava/lang/String;)V"));

    out.writeByte(opc_athrow);

    if (minfo.code.size() > 65535) {
        throw new IllegalArgumentException("code size limit exceeded");
    }

    minfo.maxStack = 10;
    minfo.maxLocals = (short) (localSlot0 + 1);
    minfo.declaredExceptions = new short[0];

    return minfo;
}
 
Example 18
Source Project: awacs   File: LDC2_W.java    License: Apache License 2.0 4 votes vote down vote up
public void writeToStream(DataOutputStream out, int offset) throws IOException {
  out.writeByte(opc_ldc2_w);
  out.writeShort(getOperand(0));
}
 
Example 19
Source Project: ysoserial-modified   File: JRMPListener.java    License: MIT License 4 votes vote down vote up
private void doCall ( DataInputStream in, DataOutputStream out, Object payload ) throws Exception {
    ObjectInputStream ois = new ObjectInputStream(in) {

        @Override
        protected Class<?> resolveClass ( ObjectStreamClass desc ) throws IOException, ClassNotFoundException {
            if ( "[Ljava.rmi.server.ObjID;".equals(desc.getName())) {
                return ObjID[].class;
            } else if ("java.rmi.server.ObjID".equals(desc.getName())) {
                return ObjID.class;
            } else if ( "java.rmi.server.UID".equals(desc.getName())) {
                return UID.class;
            }
            throw new IOException("Not allowed to read object");
        }
    };

    ObjID read;
    try {
        read = ObjID.read(ois);
    }
    catch ( java.io.IOException e ) {
        throw new MarshalException("unable to read objID", e);
    }

    
    if ( read.hashCode() == 2 ) {
        ois.readInt(); // method
        ois.readLong(); // hash
        System.err.println("Is DGC call for " + Arrays.toString((ObjID[])ois.readObject()));
    }
    
    System.err.println("Sending return with payload for obj " + read);

    out.writeByte(TransportConstants.Return);// transport op
    ObjectOutputStream oos = new JRMPClient.MarshalOutputStream(out, this.classpathUrl);

    oos.writeByte(TransportConstants.ExceptionalReturn);
    new UID().write(oos);

    BadAttributeValueExpException ex = new BadAttributeValueExpException(null);
    Reflections.setFieldValue(ex, "val", payload);
    oos.writeObject(ex);

    oos.flush();
    out.flush();

    this.hadConnection = true;
    synchronized ( this.waitLock ) {
        this.waitLock.notifyAll();
    }
}
 
Example 20
Source Project: Bytecoder   File: ConstantString.java    License: Apache License 2.0 2 votes vote down vote up
/**
 * Dump constant field reference to file stream in binary format.
 *
 * @param file Output file stream
 * @throws IOException
 */
@Override
public final void dump( final DataOutputStream file ) throws IOException {
    file.writeByte(super.getTag());
    file.writeShort(string_index);
}