Example usage for java.io DataInput readUTF

Introduction

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

Prototype

String readUTF() throws IOException;

Source Link

Document

Reads in a string that has been encoded using a modified UTF-8 format.

Usage

From source file:org.apache.geode.management.internal.configuration.messages.ConfigurationRequest.java

@Override
public void fromData(DataInput in) throws IOException, ClassNotFoundException {
    this.isRequestForEntireConfiguration = in.readBoolean();
    int size = in.readInt();
    Set<String> groups = new HashSet<>();
    if (size > 0) {
        for (int i = 0; i < size; i++) {
            groups.add(in.readUTF());
        }/*from www  .  ja v a  2  s  .  co m*/
    }
    this.groups = groups;
    this.numAttempts = in.readInt();
}

From source file:org.apache.hadoop.chukwa.analysis.salsa.fsm.FSMIntermedEntry.java

public void readFields(DataInput in) throws IOException {
    int currlen, numkeys;

    this.state_type = new StateType(in.readInt());
    this.state_mapred = new MapRedState(in.readInt());
    this.state_hdfs = new HDFSState(in.readInt());
    this.fsm_type = new FSMType(in.readInt());
    in.readChar();//from w  w  w. ja v a 2  s  .c  om

    currlen = in.readInt();
    if (currlen > 0)
        this.state_name = in.readUTF();
    else
        this.state_name = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.unique_id = in.readUTF();
    else
        this.unique_id = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.timestamp = in.readUTF();
    else
        this.timestamp = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.time_start = in.readUTF();
    else
        this.time_start = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.time_end = in.readUTF();
    else
        this.time_end = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.host_exec = in.readUTF();
    else
        this.host_exec = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.host_other = in.readUTF();
    else
        this.host_other = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.time_orig_epoch = in.readUTF();
    else
        this.time_orig_epoch = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.time_orig = in.readUTF();
    else
        this.time_orig = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.job_id = in.readUTF();
    else
        this.job_id = "";

    currlen = in.readInt();
    if (currlen > 0)
        this.identifier = in.readUTF();
    else
        this.identifier = "";

    numkeys = in.readInt();

    this.add_info = new TreeMap<String, String>();

    if (numkeys > 0) {
        for (int i = 0; i < numkeys; i++) {
            String currkey, currval;
            currkey = in.readUTF();
            currlen = in.readInt();
            if (currlen > 0) {
                currval = in.readUTF();
                this.add_info.put(currkey, currval);
            }
        }
    }
}

From source file:org.apache.hadoop.hbase.hbql.filter.SingleColumnValueFilter.java

public void readFields(final DataInput in) throws IOException {

    this.verbose = in.readBoolean();

    this.columnFamily = Bytes.readByteArray(in);
    if (this.columnFamily.length == 0) {
        this.columnFamily = null;
    }//from w ww .jav  a  2s  .c o m
    this.columnQualifier = Bytes.readByteArray(in);
    if (this.columnQualifier.length == 0) {
        this.columnQualifier = null;
    }
    this.compareOp = CompareFilter.CompareOp.valueOf(in.readUTF());
    this.comparator = (WritableByteArrayComparable) HbaseObjectWritable.readObject(in, null);
    this.foundColumn = in.readBoolean();
    this.matchedColumn = in.readBoolean();
    this.filterIfMissing = in.readBoolean();
    this.latestVersionOnly = in.readBoolean();
}

From source file:org.apache.hadoop.hbase.HServerAddress.java

public void readFields(DataInput in) throws IOException {
    String hostname = in.readUTF();
    int port = in.readInt();
    if (hostname != null && hostname.length() > 0) {
        this.address = getResolvedAddress(new InetSocketAddress(hostname, port));
        checkBindAddressCanBeResolved();
        createCachedToString();/*ww  w  .ja v a  2  s.c om*/
    }
}

From source file:org.apache.hadoop.hbase.HServerInfo.java

public void readFields(DataInput in) throws IOException {
    this.serverAddress.readFields(in);
    this.startCode = in.readLong();
    this.load.readFields(in);
    in.readInt();/*w  w  w  .j a  va 2s  .com*/
    this.hostname = in.readUTF();
    if (sendSequenceIds) {
        HbaseMapWritable<byte[], Long> sequenceIdsWritable = new HbaseMapWritable<byte[], Long>(
                flushedSequenceIdByRegion);
        sequenceIdsWritable.readFields(in);
    }
}

From source file:org.apache.hadoop.hive.accumulo.AccumuloHiveRow.java

@Override
public void readFields(DataInput dataInput) throws IOException {
    if (dataInput.readBoolean()) {
        rowId = dataInput.readUTF();
    }// w w  w.  j  ava  2 s .co m
    int size = dataInput.readInt();
    for (int i = 0; i < size; i++) {
        int cfLength = dataInput.readInt();
        byte[] cfData = new byte[cfLength];
        dataInput.readFully(cfData, 0, cfLength);
        Text cf = new Text(cfData);
        int cqLength = dataInput.readInt();
        byte[] cqData = new byte[cqLength];
        dataInput.readFully(cqData, 0, cqLength);
        Text cq = new Text(cqData);
        int valSize = dataInput.readInt();
        byte[] val = new byte[valSize];
        for (int j = 0; j < valSize; j++) {
            val[j] = dataInput.readByte();
        }
        tuples.add(new ColumnTuple(cf, cq, val));
    }
}

From source file:org.apache.hadoop.hive.llap.security.LlapTokenIdentifier.java

@Override
public void readFields(DataInput in) throws IOException {
    super.readFields(in);
    clusterId = in.readUTF();
    Preconditions.checkNotNull(clusterId);
    appId = in.readUTF();/*from w w w  . j a  v  a 2 s . c  om*/
    isSigningRequired = in.readBoolean();
    appId = appId == null ? "" : appId;
}

From source file:org.apache.hadoop.hive.ql.io.BucketizedHiveInputSplit.java

@Override
public void readFields(DataInput in) throws IOException {
    String inputSplitClassName = in.readUTF();

    int numSplits = in.readInt();
    inputSplits = new InputSplit[numSplits];
    for (int i = 0; i < numSplits; i++) {
        try {//from  w w  w .j  a  v  a 2 s  .  c o m
            inputSplits[i] = (InputSplit) ReflectionUtils.newInstance(conf.getClassByName(inputSplitClassName),
                    conf);
        } catch (Exception e) {
            throw new IOException("Cannot create an instance of InputSplit class = " + inputSplitClassName + ":"
                    + e.getMessage());
        }
        inputSplits[i].readFields(in);
    }
    inputFormatClassName = in.readUTF();
}

From source file:org.apache.hadoop.ipc.ConnectionHeader.java

@Override
public void readFields(DataInput in) throws IOException {
    protocol = Text.readString(in);
    if (protocol.isEmpty()) {
        protocol = null;/*from w ww.j  a va2  s  . c o m*/
    }

    boolean ugiUsernamePresent = in.readBoolean();
    if (ugiUsernamePresent) {
        String username = in.readUTF();
        boolean realUserNamePresent = in.readBoolean();
        if (realUserNamePresent) {
            String realUserName = in.readUTF();
            UserGroupInformation realUserUgi = UserGroupInformation.createRemoteUser(realUserName);
            ugi = UserGroupInformation.createProxyUser(username, realUserUgi);
        } else {
            ugi = UserGroupInformation.createRemoteUser(username);
        }
    } else {
        ugi = null;
    }
}

From source file:org.apache.hadoop.mapred.JTAddress.java

public void readFields(DataInput in) throws IOException {
    String hostname = in.readUTF();
    int port = in.readInt();

    if (hostname == null || hostname.length() == 0) {
        address = null;//  w  w w . ja  va  2s  . co m
        stringValue = null;
    } else {
        address = new InetSocketAddress(hostname, port);
        stringValue = hostname + ":" + port;
        checkBindAddressCanBeResolved();
    }
}