Example usage for java.io DataInput readFully

Introduction

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

Prototype

void readFully(byte b[]) throws IOException;

Source Link

Document

Reads some bytes from an input stream and stores them into the buffer array b .

Usage

From source file:org.ambud.marauder.source.ids.pcap.layer3.IPv6.java

@Override
public void decode(DataInput di, EtherFrame parent) throws IOException {
    this.parent = parent;
    byte[] tempBytes = new byte[4];
    di.readFully(tempBytes);
    this.version = (byte) ((tempBytes[0] >> 4) & 0xff);
    this.trafficClass = (byte) ((tempBytes[0] << 4) | ((tempBytes[1] >> 4) & 0xff));
    this.flowLbl = (byte) ((((int) (tempBytes[1] << 4) & 0xffff) << 16) | (((short) tempBytes[2] << 8) & 0xff)
            | (tempBytes[3] & 0xff));
    this.payloadLength = EtherFrame.readShort(di);
    this.nextHdr = di.readByte();
    this.hopLimit = di.readByte();
    di.readFully(this.srcIP);
    di.readFully(this.dstIP);
    decodeNextLayer(di);/* w w w  .  jav a 2  s  .  c  o m*/
}

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From source file:org.apache.accumulo.core.client.BatchWriterConfig.java

@Override
public void readFields(DataInput in) throws IOException {
    byte[] len = new byte[7];
    in.readFully(len);
    String strLen = new String(len, UTF_8);
    if (!strLen.endsWith("#"))
        throw new IllegalStateException("length was not encoded correctly");
    byte[] bytes = new byte[Integer.parseInt(strLen.substring(strLen.lastIndexOf(' ') + 1, strLen.length() - 1),
            36)];//from  w ww  .  j  a  v  a 2  s. c  om
    in.readFully(bytes);

    String strFields = new String(bytes, UTF_8);
    String[] fields = StringUtils.split(strFields, '\\', ',');
    for (String field : fields) {
        String[] keyValue = StringUtils.split(field, '\\', '=');
        String key = keyValue[0];
        String value = keyValue[1];
        if ("maxMemory".equals(key)) {
            maxMemory = Long.valueOf(value);
        } else if ("maxLatency".equals(key)) {
            maxLatency = Long.valueOf(value);
        } else if ("maxWriteThreads".equals(key)) {
            maxWriteThreads = Integer.valueOf(value);
        } else if ("timeout".equals(key)) {
            timeout = Long.valueOf(value);
        } else if ("durability".equals(key)) {
            durability = DurabilityImpl.fromString(value);
        } else {
            /* ignore any other properties */
        }
    }
}

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From source file:org.apache.accumulo.core.client.impl.AuthenticationTokenIdentifier.java

@Override
public void readFields(DataInput in) throws IOException {
    int length = in.readInt();
    if (length > 0) {
        ThriftMessageUtil msgUtil = new ThriftMessageUtil();
        byte[] serialized = new byte[length];
        in.readFully(serialized);
        impl = new TAuthenticationTokenIdentifier();
        msgUtil.deserialize(serialized, impl);
    }/*from   w  w w .  j a v a 2 s. co m*/
}

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From source file:org.apache.accumulo.server.security.delegation.AuthenticationKey.java

@Override
public void readFields(DataInput in) throws IOException {
    int length = WritableUtils.readVInt(in);
    if (0 == length) {
        return;/* ww w .  jav a  2s  .c  o  m*/
    }

    ThriftMessageUtil util = new ThriftMessageUtil();
    byte[] bytes = new byte[length];
    in.readFully(bytes);
    authKey = util.deserialize(bytes, new TAuthenticationKey());
    secret = AuthenticationTokenSecretManager.createSecretKey(authKey.getSecret());
}

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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 a  v a2 s  .  c  om
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.apache.cassandra.utils.ByteBufferUtil.java

private static ByteBuffer read(DataInput in, int length) throws IOException {
    ByteBuffer array;/*from   w w  w .  j  av  a2  s  .  c  o m*/

    if (in instanceof FileDataInput) {
        array = ((FileDataInput) in).readBytes(length);
    } else {
        byte[] buff = new byte[length];
        in.readFully(buff);
        array = ByteBuffer.wrap(buff);
    }

    return array;
}

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From source file:org.apache.drill.exec.cache.CachedVectorContainer.java

@Override
public void read(DataInput input) throws IOException {
    int len = input.readInt();
    this.data = new byte[len];
    input.readFully(data);
}

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From source file:org.apache.eagle.alert.engine.serialization.impl.JavaObjectSerializer.java

@Override
public Object deserialize(DataInput dataInput) throws IOException {
    int len = dataInput.readInt();
    byte[] bytes = new byte[len];
    dataInput.readFully(bytes);
    return SerializationUtils.deserialize(bytes);
}

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From source file:org.apache.fop.render.pdf.ImageRawJPEGAdapter.java

/** {@inheritDoc} */
public void outputContents(OutputStream out) throws IOException {
    InputStream in = getImage().createInputStream();
    in = ImageUtil.decorateMarkSupported(in);
    try {//  www  . j  ava  2s.c  o  m
        JPEGFile jpeg = new JPEGFile(in);
        DataInput din = jpeg.getDataInput();

        //Copy the whole JPEG file except:
        // - the ICC profile
        //TODO Thumbnails could safely be skipped, too.
        //TODO Metadata (XMP, IPTC, EXIF) could safely be skipped, too.
        while (true) {
            int reclen;
            int segID = jpeg.readMarkerSegment();
            switch (segID) {
            case JPEGConstants.SOI:
                out.write(0xFF);
                out.write(segID);
                break;
            case JPEGConstants.EOI:
            case JPEGConstants.SOS:
                out.write(0xFF);
                out.write(segID);
                IOUtils.copy(in, out); //Just copy the rest!
                return;
            /*
            case JPEGConstants.APP1: //Metadata
            case JPEGConstants.APPD:
            jpeg.skipCurrentMarkerSegment();
            break;*/
            case JPEGConstants.APP2: //ICC (see ICC1V42.pdf)
                boolean skipICCProfile = false;
                in.mark(16);
                try {
                    reclen = jpeg.readSegmentLength();
                    // Check for ICC profile
                    byte[] iccString = new byte[11];
                    din.readFully(iccString);
                    din.skipBytes(1); //string terminator (null byte)

                    if ("ICC_PROFILE".equals(new String(iccString, "US-ASCII"))) {
                        skipICCProfile = (this.image.getICCProfile() != null);
                    }
                } finally {
                    in.reset();
                }
                if (skipICCProfile) {
                    //ICC profile is skipped as it is already embedded as a PDF object
                    jpeg.skipCurrentMarkerSegment();
                    break;
                }
            default:
                out.write(0xFF);
                out.write(segID);

                reclen = jpeg.readSegmentLength();
                //write short
                out.write((reclen >>> 8) & 0xFF);
                out.write((reclen >>> 0) & 0xFF);
                int left = reclen - 2;
                byte[] buf = new byte[2048];
                while (left > 0) {
                    int part = Math.min(buf.length, left);
                    din.readFully(buf, 0, part);
                    out.write(buf, 0, part);
                    left -= part;
                }
            }
        }
    } finally {
        IOUtils.closeQuietly(in);
    }
}

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From source file:org.apache.geode.internal.cache.Oplog.java

private void readOplogMagicSeqRecord(DataInput dis, File f, OPLOG_TYPE type) throws IOException {
    byte[] seq = new byte[OPLOG_TYPE.getLen()];
    dis.readFully(seq);
    for (int i = 0; i < OPLOG_TYPE.getLen(); i++) {
        if (seq[i] != type.getBytes()[i]) {
            if (logger.isTraceEnabled(LogMarker.PERSIST_RECOVERY)) {
                logger.trace(LogMarker.PERSIST_RECOVERY, "oplog magic code mismatched at byte:{}, value:{}",
                        (i + 1), seq[i]);
            }/* w  ww .  jav a2s  .  co m*/
            throw new DiskAccessException("Invalid oplog (" + type.name() + ") file provided: " + f,
                    getParent());
        }
    }
    if (logger.isTraceEnabled(LogMarker.PERSIST_RECOVERY)) {
        StringBuffer sb = new StringBuffer();
        for (int i = 0; i < OPLOG_TYPE.getLen(); i++) {
            sb.append(" ").append(seq[i]);
        }
        logger.trace(LogMarker.PERSIST_RECOVERY, "oplog magic code: {}", sb);
    }
    readEndOfRecord(dis);
}

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