Example usage for java.io DataOutput writeByte

Introduction

In this page you can find the example usage for java.io DataOutput writeByte.

Prototype

void writeByte(int v) throws IOException;

Source Link

Document

Writes to the output stream the eight low- order bits of the argument v.

Usage

From source file:com.ibm.jaql.util.BaseUtil.java

/**
 * /*ww w  . j av  a2  s  .  c o  m*/
 * 0x00, 0 0x01, 1 ... 0xfB 251 0xfC 1 byte pos ... 0xfe 3 byte pos 0xff 4
 * byte pos
 */
public static void writeVUInt(DataOutput out, int v) throws IOException {
    if (v <= 0xfB) // v <= 251
    {
        if (v < 0) {
            throw new IOException("positive value expected: " + v);
        }
        out.writeByte(v);
        return;
    }

    // 252 <= v <= maxInt
    v -= 0xfC;
    int len = 1;
    long t = v >> 8;
    while (t > 0) {
        t >>= 8;
        len++;
    }

    out.writeByte(0xfB + len);

    do {
        len--;
        out.writeByte(v >> (len << 3));
    } while (len > 0);
}

From source file:com.ibm.jaql.util.BaseUtil.java

/**
 * //from www .  ja  va2  s . c  o m
 * 0x00, 0 0x01, 1 ... 0xf7 247 0xf8 1 byte pos ... 0xfe 7 byte pos 0xff 8
 * byte pos
 */
public static void writeVULong(DataOutput out, long v) throws IOException {
    if (v <= 0xf7) // v <= 247
    {
        if (v < 0) {
            throw new IOException("positive value expected: " + v);
        }
        out.writeByte((int) v);
        return;
    }

    // 248 <= v <= maxLong
    v -= 0xf8;
    int len = 1;
    long t = v >> 8;
    while (t > 0) {
        t >>= 8;
        len++;
    }

    out.writeByte(0xf7 + len);

    do {
        len--;
        out.writeByte((int) (v >> (len << 3)));
    } while (len > 0);
}

From source file:com.glaf.core.util.ByteBufferUtils.java

public static void write(ByteBuffer buffer, DataOutput out) throws IOException {
    if (buffer.hasArray()) {
        out.write(buffer.array(), buffer.arrayOffset() + buffer.position(), buffer.remaining());
    } else {//from www  .  j a  v a 2  s  .  c o  m
        for (int i = buffer.position(); i < buffer.limit(); i++) {
            out.writeByte(buffer.get(i));
        }
    }
}

From source file:eu.stratosphere.types.StringValue.java

public static final void copyString(DataInput in, DataOutput out) throws IOException {
    int len = in.readUnsignedByte();
    out.writeByte(len);

    if (len >= HIGH_BIT) {
        int shift = 7;
        int curr;
        len = len & 0x7f;// www  . j  a v a2s.  c  o  m
        while ((curr = in.readUnsignedByte()) >= HIGH_BIT) {
            out.writeByte(curr);
            len |= (curr & 0x7f) << shift;
            shift += 7;
        }
        out.writeByte(curr);
        len |= curr << shift;
    }

    // note that the length is one larger than the actual length (length 0 is a null string, not a zero length string)
    len--;

    for (int i = 0; i < len; i++) {
        int c = in.readUnsignedByte();
        out.writeByte(c);
        while (c >= HIGH_BIT) {
            c = in.readUnsignedByte();
            out.writeByte(c);
        }
    }
}

From source file:com.aliyun.openservices.tablestore.hadoop.MultiCriteria.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(WritableConsts.MULTI_CRITERIA);
    out.writeInt(criteria.size());/*from  w ww  .j ava 2s  .c  om*/
    for (RangeRowQueryCriteria c : criteria) {
        new RangeRowQueryCriteriaWritable(c).write(out);
    }
}

From source file:com.aliyun.openservices.tablestore.hadoop.Endpoint.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(WritableConsts.ENDPOINT);
    out.writeUTF(endpoint);/*from   ww  w .  ja  v a  2s .c  o  m*/
    out.writeUTF(instance);
}

From source file:com.aliyun.openservices.tablestore.hadoop.Credential.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(WritableConsts.CREDENTIAL);
    out.writeUTF(accessKeyId);/*w w  w . j a va2 s.c o  m*/
    out.writeUTF(accessKeySecret);
    if (securityToken != null) {
        out.writeByte(WritableConsts.CREDENTIAL_SECURITY_TOKEN);
        out.writeUTF(securityToken);
    }
}

From source file:com.delphix.session.util.ProtocolVersion.java

public void write(DataOutput out) throws IOException {
    out.writeByte(major);
    out.writeByte(minor);
    out.writeByte(revision);
}

From source file:libra.common.hadoop.io.datatypes.CompressedSequenceWritable.java

@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(this.seqLength);
    out.write(this.compressedSequence);
}

From source file:io.dstream.hadoop.TypeAwareWritable.java

/**
 * //from  w  ww. ja  v a2s  . co m
 */
@Override
public void write(DataOutput out) throws IOException {
    out.writeByte(this.valueType);
    if (this.valueType != NULL) {
        try {
            out.write(this.valueEncoder.valueBytes);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}