Example usage for java.io DataOutput writeUTF

Introduction

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

Prototype

void writeUTF(String s) throws IOException;

Source Link

Document

Writes two bytes of length information to the output stream, followed by the modified UTF-8 representation of every character in the string s.

Usage

From source file:parquet.hadoop.ParquetInputSplit.java

private void writeKeyValues(DataOutput out, Map<String, String> map) throws IOException {
    if (map == null) {
        out.writeInt(0);//from w  ww. j a va 2  s  .  c o  m
    } else {
        out.writeInt(map.size());
        for (Entry<String, String> entry : map.entrySet()) {
            out.writeUTF(entry.getKey());
            out.writeUTF(entry.getValue());
        }
    }
}

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From source file:org.hyperic.hq.agent.AgentRemoteValue.java

private void writeChunkedValues(String key, String val, DataOutput os) throws IOException {
    // now chunk the values
    int num = 0;//from  ww w. j a  v  a  2  s.  c o  m
    while ((num * MAX_VALUE_SIZE) < val.length()) {
        int start = num * MAX_VALUE_SIZE;
        int end = ((start + MAX_VALUE_SIZE) > val.length()) ? val.length() : start + MAX_VALUE_SIZE;

        String chunk = val.substring(start, end);
        os.writeUTF(CHUNK_PREFIX + "." + key + "." + num);
        os.writeUTF(chunk);
        num++;
    }
}

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From source file:org.apache.accumulo.core.client.mapreduce.RangeInputSplit.java

@Override
public void write(DataOutput out) throws IOException {
    range.write(out);/*w w w. ja  v  a  2  s. com*/
    out.writeUTF(tableName);
    out.writeUTF(tableId);
    out.writeInt(locations.length);
    for (int i = 0; i < locations.length; ++i)
        out.writeUTF(locations[i]);

    out.writeBoolean(null != isolatedScan);
    if (null != isolatedScan) {
        out.writeBoolean(isolatedScan);
    }

    out.writeBoolean(null != offline);
    if (null != offline) {
        out.writeBoolean(offline);
    }

    out.writeBoolean(null != localIterators);
    if (null != localIterators) {
        out.writeBoolean(localIterators);
    }

    out.writeBoolean(null != mockInstance);
    if (null != mockInstance) {
        out.writeBoolean(mockInstance);
    }

    out.writeBoolean(null != fetchedColumns);
    if (null != fetchedColumns) {
        String[] cols = InputConfigurator.serializeColumns(fetchedColumns);
        out.writeInt(cols.length);
        for (String col : cols) {
            out.writeUTF(col);
        }
    }

    out.writeBoolean(null != auths);
    if (null != auths) {
        out.writeUTF(auths.serialize());
    }

    out.writeBoolean(null != principal);
    if (null != principal) {
        out.writeUTF(principal);
    }

    out.writeBoolean(null != tokenSource);
    if (null != tokenSource) {
        out.writeInt(tokenSource.ordinal());

        if (null != token && null != tokenFile) {
            throw new IOException(
                    "Cannot use both inline AuthenticationToken and file-based AuthenticationToken");
        } else if (null != token) {
            out.writeUTF(token.getClass().getCanonicalName());
            out.writeUTF(Base64.encodeBase64String(AuthenticationTokenSerializer.serialize(token)));
        } else {
            out.writeUTF(tokenFile);
        }
    }

    out.writeBoolean(null != instanceName);
    if (null != instanceName) {
        out.writeUTF(instanceName);
    }

    out.writeBoolean(null != zooKeepers);
    if (null != zooKeepers) {
        out.writeUTF(zooKeepers);
    }

    out.writeBoolean(null != level);
    if (null != level) {
        out.writeInt(level.toInt());
    }
}

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From source file:org.hyperic.hq.agent.AgentRemoteValue.java

public void toStream(DataOutput os) throws IOException {
    for (Entry<String, String> entry : this.vals.entrySet()) {
        String key = entry.getKey();
        String val = entry.getValue();
        // check if value is too large for writeUTF
        if (val.length() > MAX_VALUE_SIZE) {
            writeChunkedValues(key, val, os);
        } else {//  w w w  .ja  v a  2 s. c  om
            os.writeUTF(key);
            os.writeUTF(val);
        }
    }

    os.writeUTF(new String(""));
}

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

public void write(DataOutput out) throws IOException {
    this.serverAddress.write(out);
    out.writeLong(this.startCode);
    this.load.write(out);
    // Still serializing the info port for backward compatibility but it is not used.
    out.writeInt(HConstants.DEFAULT_REGIONSERVER_INFOPORT);
    out.writeUTF(hostname);
    if (sendSequenceIds) {
        HbaseMapWritable<byte[], Long> sequenceIdsWritable = new HbaseMapWritable<byte[], Long>(
                flushedSequenceIdByRegion);
        sequenceIdsWritable.write(out);//from  w ww  . j av  a  2  s  .co m
    }
}

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From source file:com.mobicage.rogerthat.registration.ContentBrandingRegistrationWizard.java

@Override
public void writePickle(DataOutput out) throws IOException {
    T.UI();//www .j  a v a 2 s.c  om
    boolean set = mCredentials != null;
    out.writeBoolean(set);
    if (set) {
        out.writeInt(mCredentials.getPickleClassVersion());
        mCredentials.writePickle(out);
    }
    set = mEmail != null;
    out.writeBoolean(set);
    if (set)
        out.writeUTF(mEmail);
    out.writeLong(mTimestamp);
    out.writeUTF(mRegistrationId);
    out.writeUTF(mInstallationId);
    out.writeUTF(mDeviceId);
}

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From source file:edu.umd.cloud9.collection.wikipedia.WikipediaPageOld.java

/**
 * Deserializes this object.// w  w w.jav a 2  s. c  om
 */
public void write(DataOutput out) throws IOException {
    byte[] bytes = page.getBytes("UTF-8");
    WritableUtils.writeVInt(out, bytes.length);
    out.write(bytes, 0, bytes.length);
    out.writeUTF(language == null ? "unk" : language);
}

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From source file:parquet.hadoop.ParquetInputSplit.java

private void writeBlock(DataOutput out, BlockMetaData block) throws IOException {
    out.writeInt(block.getColumns().size());
    for (ColumnChunkMetaData column : block.getColumns()) {
        writeColumn(out, column);/*from   w ww .j a va2s. c om*/
    }
    out.writeLong(block.getRowCount());
    out.writeLong(block.getTotalByteSize());
    out.writeBoolean(block.getPath() == null);
    if (block.getPath() != null) {
        out.writeUTF(block.getPath());
    }
}

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

public void write(DataOutput out) throws IOException {
    Set<String> mapKeys;

    out.writeInt(this.state_type.val);
    out.writeInt(this.state_mapred.val);
    out.writeInt(this.state_hdfs.val);
    out.writeInt(this.fsm_type.val);
    out.writeChar(DELIM);/*w w  w  .j  av  a2  s  .c  o m*/
    out.writeInt(state_name.length());
    if (state_name.length() > 0)
        out.writeUTF(state_name);
    out.writeInt(unique_id.length());
    if (unique_id.length() > 0)
        out.writeUTF(unique_id);
    out.writeInt(timestamp.length());
    if (timestamp.length() > 0)
        out.writeUTF(timestamp);
    out.writeInt(time_start.length());
    if (time_start.length() > 0)
        out.writeUTF(time_start);
    out.writeInt(time_end.length());
    if (time_end.length() > 0)
        out.writeUTF(time_end);
    out.writeInt(host_exec.length());
    if (host_exec.length() > 0)
        out.writeUTF(host_exec);
    out.writeInt(host_other.length());
    if (host_other.length() > 0)
        out.writeUTF(host_other);
    out.writeInt(time_orig_epoch.length());
    if (time_orig_epoch.length() > 0)
        out.writeUTF(time_orig_epoch);
    out.writeInt(time_orig.length());
    if (time_orig.length() > 0)
        out.writeUTF(time_orig);
    out.writeInt(job_id.length());
    if (job_id.length() > 0)
        out.writeUTF(job_id);
    out.writeInt(identifier.length());
    if (identifier.length() > 0)
        out.writeUTF(identifier);

    mapKeys = this.add_info.keySet();
    out.writeInt(mapKeys.size());

    for (Entry<String, String> entry : this.add_info.entrySet()) {
        String value = entry.getValue();
        if (value.length() > 0) {
            out.writeUTF(entry.getKey());
            out.writeInt(value.length());
            out.writeUTF(value);
        } else {
            out.writeUTF("NULL");
            out.writeInt(0);
        }
    }
}

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From source file:com.mobicage.rogerthat.registration.RegistrationWizard2.java

@SuppressWarnings("unchecked")
@Override/*from  ww w  . j  a v  a 2  s  .c  o  m*/
public void writePickle(DataOutput out) throws IOException {
    T.UI();
    super.writePickle(out);
    boolean set = mCredentials != null;
    out.writeBoolean(set);
    if (set) {
        out.writeInt(mCredentials.getPickleClassVersion());
        mCredentials.writePickle(out);
    }
    set = mEmail != null;
    out.writeBoolean(set);
    if (set)
        out.writeUTF(mEmail);
    out.writeLong(mTimestamp);
    out.writeUTF(mRegistrationId);
    out.writeBoolean(mInGoogleAuthenticationProcess);
    out.writeUTF(mInstallationId);
    out.writeUTF(mDeviceId);
    set = mBeaconRegions != null;
    out.writeBoolean(set);
    if (set)
        out.writeUTF(JSONValue.toJSONString(mBeaconRegions.toJSONMap()));
    set = mDetectedBeacons != null;
    out.writeBoolean(set);
    if (set) {
        JSONArray db1 = new JSONArray();
        for (String db : mDetectedBeacons) {
            db1.add(db);
        }
        out.writeUTF(JSONValue.toJSONString(db1));
    }
}

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