Example usage for java.io DataInput readInt

Introduction

In this page you can find the example usage for java.io DataInput readInt.

Prototype

int readInt() throws IOException;

Source Link

Document

Reads four input bytes and returns an int value.

Usage

From source file:Main.java

/**
 * Reads an int[] from a DataInput/*from w w  w. ja v  a2  s . c  om*/
 * @throws java.io.IOException
 */
public static int[] readIntArray(DataInput in) throws IOException {
    int length = in.readInt();
    int[] array = new int[length];
    for (int index = 0; index < length; index++) {
        array[index] = in.readInt();
    }

    return array;
}

From source file:Main.java

/**
 * Reads a double[] from a DataInput//ww w.  j a v a2s. c o m
 * @throws java.io.IOException
 */
public static double[] readDoubleArray(DataInput in) throws IOException {
    int length = in.readInt();
    double[] array = new double[length];
    for (int index = 0; index < length; index++) {
        array[index] = in.readDouble();
    }

    return array;
}

From source file:Main.java

public static byte[] readByteBuffer(DataInput in) throws Exception {
    int b = in.readByte();
    if (b == 1) {
        b = in.readInt();
        byte[] buf = new byte[b];
        in.readFully(buf, 0, buf.length);
        return buf;
    }/*w  w w  . j a  va2 s . co m*/
    return null;
}

From source file:com.cloud.utils.crypt.RSAHelper.java

private static byte[] readElement(DataInput dis) throws IOException {
    int len = dis.readInt();
    byte[] buf = new byte[len];
    dis.readFully(buf);/*from w  w  w  . ja v a2 s.  c om*/
    return buf;
}

From source file:org.jactr.io.antlr3.serialization.Serializer.java

static public CommonTree read(DataInput input) throws IOException {
    int nodeType = input.readInt();
    String nodeText = input.readUTF();

    int tokenType = input.readInt();
    String tokenText = input.readUTF();
    int tokenStart = input.readInt();
    int tokenStop = input.readInt();
    int tokenLine = input.readInt();
    int tokenLineOffset = input.readInt();

    CommonToken token = new CommonToken(tokenType, tokenText);
    token.setStartIndex(tokenStart);//w  w w.  java  2 s. c  o m
    token.setStopIndex(tokenStop);
    token.setLine(tokenLine);
    token.setCharPositionInLine(tokenLineOffset);

    DetailedCommonTree node = (DetailedCommonTree) _adaptor.create(nodeType, token, nodeText);
    node.setTokenStartIndex(input.readInt());
    node.setTokenStopIndex(input.readInt());

    node.setStartOffset(input.readInt());
    node.setEndOffset(input.readInt());

    String url = input.readUTF();
    if (url.length() != 0)
        try {
            node.setSource(new URL(url));
        } catch (Exception e) {

        }

    int children = input.readInt();
    for (int i = 0; i < children; i++)
        node.addChild(read(input));
    return node;
}

From source file:org.mrgeo.utils.StringUtils.java

public static String read(DataInput in) throws IOException {
    int len = in.readInt();
    if (len == -1) {
        return null;
    } else {//from   w  w w .  j av  a  2s. com
        byte[] data = new byte[len];
        in.readFully(data);

        return new String(data, "UTF-8");
    }
}

From source file:com.ebay.erl.mobius.util.SerializableUtil.java

public static CaseInsensitiveTreeMap deseralizeTreeMap(DataInput in) throws IOException {
    CaseInsensitiveTreeMap map = new CaseInsensitiveTreeMap();
    int keys_nbr = in.readInt();
    for (int i = 0; i < keys_nbr; i++) {
        map.put(in.readUTF(), in.readUTF());
    }//from   w  ww .  j  a  v a  2s.c o  m
    return map;
}

From source file:com.chinamobile.bcbsp.ml.VectorWritable.java

public static DoubleVector readVector(DataInput in) throws IOException {
    int length = in.readInt();
    DoubleVector vector;/*from   ww  w  .j a  v a 2s.  c o m*/
    vector = new DenseDoubleVector(length);
    for (int i = 0; i < length; i++) {
        vector.set(i, in.readDouble());
    }

    if (in.readBoolean()) {
        vector = new NamedDoubleVector(in.readUTF(), vector);
    }
    return vector;
}

From source file:org.apache.mahout.classifier.df.node.Node.java

public static Node read(DataInput in) throws IOException {
    Type type = Type.values()[in.readInt()];
    Node node;/*from  w w w.  jav  a  2  s .c o m*/

    switch (type) {
    case LEAF:
        node = new Leaf();
        break;
    case NUMERICAL:
        node = new NumericalNode();
        break;
    case CATEGORICAL:
        node = new CategoricalNode();
        break;
    default:
        throw new IllegalStateException("This implementation is not currently supported");
    }

    node.readFields(in);

    return node;
}

From source file:org.apache.mahout.classifier.df.DFUtils.java

/**
 * Reads a Node[] from a DataInput//from   w w w.j  a  v a 2  s. co m
 * @throws java.io.IOException
 */
public static Node[] readNodeArray(DataInput in) throws IOException {
    int length = in.readInt();
    Node[] nodes = new Node[length];
    for (int index = 0; index < length; index++) {
        nodes[index] = Node.read(in);
    }

    return nodes;
}