Example usage for com.google.common.io LittleEndianDataInputStream read

Introduction

In this page you can find the example usage for com.google.common.io LittleEndianDataInputStream read.

Prototype

public int read(byte b[], int off, int len) throws IOException 

Source Link

Document

Reads up to len bytes of data from this input stream into an array of bytes.

Usage

From source file:pw.simplyintricate.bitcoin.models.datastructures.InventoryVector.java

public static InventoryVector fromInputStream(LittleEndianDataInputStream reader) throws IOException {
    int type = reader.readInt();
    byte[] hash = new byte[32];

    reader.read(hash, 0, hash.length);

    return new InventoryVector(UnsignedInteger.fromIntBits(type), hash);
}

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From source file:pw.simplyintricate.bitcoin.models.datastructures.VariableString.java

public static VariableString fromInputStream(LittleEndianDataInputStream reader) throws IOException {
    VariableInteger variableInteger = VariableInteger.fromInputStream(reader);
    int stringSize = variableInteger.getValue().intValue();
    byte[] stringBuffer = new byte[stringSize];
    reader.read(stringBuffer, 0, stringSize);

    VariableString variableString = new VariableString(new String(stringBuffer));

    return variableString;
}

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From source file:pw.simplyintricate.bitcoin.models.datastructures.NetworkAddress.java

public static NetworkAddress fromInputStream(LittleEndianDataInputStream reader, boolean readTime)
        throws IOException {
    int time = -1;
    if (readTime) {
        time = reader.readInt();//from  www  . j a  va 2  s .  c o m
    }

    long services = reader.readLong();
    reader.skip(12); // skip ipv6 support :(
    byte[] ipAddress = new byte[4];
    reader.read(ipAddress, 0, 4);
    short port = EndianUtils.swapShort(((short) reader.readUnsignedShort()));

    NetworkAddress networkAddress;
    if (readTime) {
        networkAddress = new NetworkAddress(UnsignedInteger.valueOf(services), ipAddress, port,
                UnsignedInteger.fromIntBits(time));
    } else {
        networkAddress = new NetworkAddress(UnsignedInteger.valueOf(services), ipAddress, port);
    }

    return networkAddress;
}

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From source file:pw.simplyintricate.bitcoin.models.datastructures.BlockVersion.java

public static BlockVersion fromInputStream(LittleEndianDataInputStream reader) throws IOException {
    int version = reader.readInt();
    long services = reader.readLong();
    long timestamp = reader.readLong();
    NetworkAddress receivingNetworkAddress = NetworkAddress.fromInputStream(reader);
    NetworkAddress emittingNetworkAddress = NetworkAddress.fromInputStream(reader);
    byte[] nonce = new byte[8];
    reader.read(nonce, 0, nonce.length);
    VariableString userAgent = VariableString.fromInputStream(reader);
    int startingHeight = reader.readInt();

    BlockVersion blockVersion = new BlockVersion(version, UnsignedInteger.valueOf(services), timestamp,
            receivingNetworkAddress, emittingNetworkAddress, nonce, userAgent, startingHeight);

    return blockVersion;
}

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From source file:com.google.devtools.build.android.AndroidCompiledDataDeserializer.java

private void readResourceTable(LittleEndianDataInputStream resourceTableStream, KeyValueConsumers consumers)
        throws IOException {
    long alignedSize = resourceTableStream.readLong();
    Preconditions.checkArgument(alignedSize <= Integer.MAX_VALUE);

    byte[] tableBytes = new byte[(int) alignedSize];
    resourceTableStream.read(tableBytes, 0, (int) alignedSize);
    ResourceTable resourceTable = ResourceTable.parseFrom(tableBytes);

    readPackages(consumers, resourceTable);
}

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From source file:com.google.devtools.build.android.AndroidCompiledDataDeserializer.java

/**
 * Reads compiled resource data files and adds them to consumers
 *
 * @param compiledFileStream First byte is number of compiled files represented in this file. Next
 *     8 bytes is a long indicating the length of the metadata describing the compiled file. Next
 *     N bytes is the metadata describing the compiled file. The remaining bytes are the actual
 *     original file./*w w  w  .  j  av  a  2  s  . c o m*/
 * @param consumers
 * @param fqnFactory
 * @throws IOException
 */
private void readCompiledFile(LittleEndianDataInputStream compiledFileStream, KeyValueConsumers consumers,
        Factory fqnFactory) throws IOException {
    // Skip aligned size. We don't need it here.
    Preconditions.checkArgument(compiledFileStream.skipBytes(8) == 8);

    int resFileHeaderSize = compiledFileStream.readInt();

    // Skip data payload size. We don't need it here.
    Preconditions.checkArgument(compiledFileStream.skipBytes(8) == 8);

    byte[] file = new byte[resFileHeaderSize];
    compiledFileStream.read(file, 0, resFileHeaderSize);
    CompiledFile compiledFile = CompiledFile.parseFrom(file);

    Path sourcePath = Paths.get(compiledFile.getSourcePath());
    FullyQualifiedName fqn = fqnFactory.parse(sourcePath);
    DataSource dataSource = DataSource.of(sourcePath);

    if (consumers != null) {
        consumers.overwritingConsumer.accept(fqn, DataValueFile.of(dataSource));
    }

    for (CompiledFile.Symbol exportedSymbol : compiledFile.getExportedSymbolList()) {
        if (!exportedSymbol.getResourceName().startsWith("android:")) {
            // Skip writing resource xml's for resources in the sdk
            FullyQualifiedName symbolFqn = fqnFactory.create(ResourceType.ID,
                    exportedSymbol.getResourceName().replaceFirst("id/", ""));

            DataResourceXml dataResourceXml = DataResourceXml.from(null, dataSource, ResourceType.ID, null);
            consumers.combiningConsumer.accept(symbolFqn, dataResourceXml);
        }
    }
}

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