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:org.ambud.marauder.source.ids.pcap.layer3.ARP.java

@Override
public void decode(DataInput di, EtherFrame parent) throws IOException {
    this.parent = parent;
    this.hardType = di.readShort();
    this.protoType = di.readShort();
    this.hardSize = di.readByte();
    this.protoAddrSize = di.readByte();
    this.opCode = di.readShort();
    di.readFully(senderEthAddr);//from w ww  . ja  v a2  s. co  m
    this.senderIP = di.readInt();
    di.readFully(targetEthAddr);
    this.targetIP = di.readInt();
}

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From source file:edu.msu.cme.rdp.readseq.readers.core.SFFCore.java

private void parseCommonHeader() throws IOException {
    if (commonHeader != null) {
        throw new IOException("Common header already initialized");
    }/*w  w  w . j a  v  a 2s.co m*/
    commonHeader = new CommonHeader();

    DataInput seqFile = super.getDataInput();

    commonHeader.magicNumber = seqFile.readInt();

    if (commonHeader.magicNumber != SeqUtils.SFF_MAGIC_NUMBER) {
        throw new IOException("Not an SFF File");
    }

    commonHeader.version = seqFile.readInt();

    if (commonHeader.version != 1) {
        throw new IOException("Cannot parse v" + commonHeader.version + " sff files");
    }

    commonHeader.indexOffset = seqFile.readLong();
    commonHeader.indexLength = seqFile.readInt();
    commonHeader.numReads = seqFile.readInt();
    commonHeader.headerLength = seqFile.readShort();
    commonHeader.keyLength = seqFile.readShort();
    commonHeader.flowLength = seqFile.readShort();
    commonHeader.flowgramFormat = seqFile.readByte();

    byte[] flow = new byte[commonHeader.flowLength];
    super.read(flow);
    commonHeader.flow = new String(flow);

    byte[] key = new byte[commonHeader.keyLength];
    super.read(key);
    commonHeader.key = new String(key);

    int readBytes = COMMON_HEADER_STATIC_SIZE + flow.length + key.length;

    alignToBoundary(readBytes);

    if (super.isSeekable() && commonHeader.indexOffset > commonHeader.headerLength) {
        readIndex();
    }
}

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From source file:org.apache.carbondata.core.metadata.blocklet.BlockletInfo.java

/**
 * Deserialize datachunks as well for older versions like V1 and V2
 *//*from   ww w. j av a 2 s.  com*/
private void readChunkInfoForOlderVersions(DataInput input) throws IOException {
    short dimChunksSize = input.readShort();
    dimensionColumnChunk = new ArrayList<>(dimChunksSize);
    for (int i = 0; i < dimChunksSize; i++) {
        byte[] bytes = new byte[input.readInt()];
        input.readFully(bytes);
        dimensionColumnChunk.add(deserializeDataChunk(bytes));
    }
    short msrChunksSize = input.readShort();
    measureColumnChunk = new ArrayList<>(msrChunksSize);
    for (int i = 0; i < msrChunksSize; i++) {
        byte[] bytes = new byte[input.readInt()];
        input.readFully(bytes);
        measureColumnChunk.add(deserializeDataChunk(bytes));
    }
}

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From source file:org.cloudata.core.tablet.TableSchema.java

public void readFields(DataInput in) throws IOException {
    int version = in.readInt();
    tableName = CWritableUtils.readString(in);
    description = CWritableUtils.readString(in);
    numOfVersion = in.readInt();//w  w w  .j a  v a2 s.  c  o m
    owner = CWritableUtils.readString(in);
    int count = in.readInt();

    columns = new ArrayList<ColumnInfo>();
    for (int i = 0; i < count; i++) {
        ColumnInfo columnInfo = new ColumnInfo();
        columnInfo.readFields(in);
        columns.add(columnInfo);
    }

    if (version == 1) { //no permission info
        return;
    }

    int permissionLength = in.readInt();
    for (int i = 0; i < permissionLength; i++) {
        String pUserId = CWritableUtils.readString(in);
        String pType = CWritableUtils.readString(in);

        permissions.put(pUserId, pType);
    }
}

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From source file:org.apache.nutch.crawl.MapWritable.java

public void readFields(DataInput in) throws IOException {
    clear();//from   w w  w .j  a  v  a  2s  .co  m
    fSize = in.readInt();
    if (fSize > 0) {
        // read class-id map
        fIdCount = in.readByte();
        byte id;
        Class clazz;
        for (int i = 0; i < fIdCount; i++) {
            try {
                id = in.readByte();
                clazz = Class.forName(Text.readString(in));
                addIdEntry(id, clazz);
            } catch (Exception e) {
                if (LOG.isWarnEnabled()) {
                    LOG.warn("Unable to load internal map entry" + e.toString());
                }
                fIdCount--;
            }
        }
        KeyValueEntry entry;
        for (int i = 0; i < fSize; i++) {
            try {
                entry = getKeyValueEntry(in.readByte(), in.readByte());
                entry.fKey.readFields(in);
                entry.fValue.readFields(in);
                if (fFirst == null) {
                    fFirst = fLast = entry;
                } else {
                    fLast = fLast.fNextEntry = entry;
                }
            } catch (IOException e) {
                if (LOG.isWarnEnabled()) {
                    LOG.warn("Unable to load meta data entry, ignoring.. : " + e.toString());
                }
                fSize--;
            }
        }
    }
}

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From source file:eu.stratosphere.nephele.configuration.Configuration.java

/**
 * {@inheritDoc}//from www . j a  v a2 s  .com
 */
@Override
public void read(final DataInput in) throws IOException {

    synchronized (this.confData) {

        final int numberOfProperties = in.readInt();

        for (int i = 0; i < numberOfProperties; i++) {
            final String key = StringRecord.readString(in);
            final String value = StringRecord.readString(in);
            this.confData.put(key, value);
        }
    }
}

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

@Override
public void readFields(DataInput in) throws IOException {
    //deserialize path, offset, length using FileSplit
    super.readFields(in);

    byte flags = in.readByte();
    hasFooter = (FOOTER_FLAG & flags) != 0;
    isOriginal = (ORIGINAL_FLAG & flags) != 0;
    hasBase = (BASE_FLAG & flags) != 0;
    boolean hasFileId = (HAS_FILEID_FLAG & flags) != 0;

    deltas.clear();/*  ww w . j  a  v a 2s  .  c om*/
    int numDeltas = in.readInt();
    for (int i = 0; i < numDeltas; i++) {
        AcidInputFormat.DeltaMetaData dmd = new AcidInputFormat.DeltaMetaData();
        dmd.readFields(in);
        deltas.add(dmd);
    }
    if (hasFooter) {
        // deserialize FileMetaInfo fields
        String compressionType = Text.readString(in);
        int bufferSize = WritableUtils.readVInt(in);
        int metadataSize = WritableUtils.readVInt(in);

        // deserialize FileMetaInfo field footer
        int footerBuffSize = WritableUtils.readVInt(in);
        ByteBuffer footerBuff = ByteBuffer.allocate(footerBuffSize);
        in.readFully(footerBuff.array(), 0, footerBuffSize);
        OrcFile.WriterVersion writerVersion = ReaderImpl.getWriterVersion(WritableUtils.readVInt(in));

        fileMetaInfo = new ReaderImpl.FileMetaInfo(compressionType, bufferSize, metadataSize, footerBuff,
                writerVersion);
    }
    if (hasFileId) {
        fileId = in.readLong();
    }
}

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From source file:com.chinamobile.bcbsp.util.JobStatus.java

/**
 * deserialize/*w w w.  j av  a  2 s.  co  m*/
 *
 * @param in Reads some bytes from an input.
 */
@Override
public synchronized void readFields(DataInput in) throws IOException {
    this.jobid = new BSPJobID();
    jobid.readFields(in);
    this.setupProgress = in.readLong();
    this.progress = in.readLong();
    this.cleanupProgress = in.readLong();
    this.runState = in.readInt();
    this.state = WritableUtils.readEnum(in, State.class);
    this.startTime = in.readLong();
    this.finishTime = in.readLong();
    this.user = Text.readString(in);
    //    this.schedulingInfo = Text.readString(in);
    this.superstepCount = in.readLong();
    this.recovery = in.readBoolean();
}

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From source file:eu.stratosphere.configuration.Configuration.java

@Override
public void read(final DataInput in) throws IOException {

    synchronized (this.confData) {

        final int numberOfProperties = in.readInt();

        for (int i = 0; i < numberOfProperties; i++) {
            final String key = StringRecord.readString(in);
            final String value = StringRecord.readString(in);
            this.confData.put(key, value);
        }//  w ww. j  av a2s  .  c  o  m
    }
}

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From source file:io.hops.erasure_coding.PolicyInfo.java

public void readFields(DataInput in) throws IOException {
    String text = Text.readString(in);
    if (text.length() == 0) {
        this.srcPath = null;
    } else {/*from  ww  w  .jav  a 2  s  . c o m*/
        this.srcPath = new Path(text);
    }
    this.policyName = Text.readString(in);
    this.codecId = Text.readString(in);
    this.description = Text.readString(in);
    for (int n = in.readInt(); n > 0; n--) {
        String name = Text.readString(in);
        String value = Text.readString(in);
        properties.setProperty(name, value);
    }
}

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