Java Code Examples for org.apache.cassandra.utils.ByteBufferUtil#bytesToHex()

private static String readString(ByteBuf cb, int length)
{
    if (length == 0)
        return "";

    ByteBuffer buffer = cb.nioBuffer(cb.readerIndex(), length);
    try
    {
        String str = decodeString(buffer);
        cb.readerIndex(cb.readerIndex() + length);
        return str;
    }
    catch (IllegalStateException | CharacterCodingException e)
    {
        throw new ProtocolException("Cannot decode string as UTF8: '" + ByteBufferUtil.bytesToHex(buffer) + "'; " + e);
    }
}
 

/** Returns the index of the colon that separates the encoding prefix from the body suffix. */
private int getSeparatorIndex(ByteBuffer buf) {
    int colon = BufferUtils.indexOf(buf, (byte) ':');
    if (colon == -1) {
        throw new IllegalStateException("Unknown encoding format: " + ByteBufferUtil.bytesToHex(buf));
    }
    return colon;
}
 

public String deserialize(ByteBuffer bytes)
{
    try
    {
        return ByteBufferUtil.string(bytes, charset);
    }
    catch (CharacterCodingException e)
    {
        throw new MarshalException("Invalid " + charset + " bytes " + ByteBufferUtil.bytesToHex(bytes));
    }
}
 

public static String colValue(ResultSet results, List<ByteBuffer> row, int i) throws Exception {
    ByteBuffer v = row.get(i).duplicate();
    String ret = "null";
    if (v != null) {
        EnumSet<ResultSet.Flag> flags = (EnumSet<ResultSet.Flag>) CassandraUtils.readPrivate(results.metadata, "flags");
        if (flags.contains(ResultSet.Flag.NO_METADATA)) {
            ret = "0x" + ByteBufferUtil.bytesToHex(v);
        } else if (results.metadata.names.get(i).type.isCollection()) {
            ret = results.metadata.names.get(i).type.getSerializer().deserialize(v).toString();
        } else {
            ret = results.metadata.names.get(i).type.getString(v);
        }
    }
    return ret;
}
 

public StringToken getToken(ByteBuffer key)
{
    String skey;
    try
    {
        skey = ByteBufferUtil.string(key);
    }
    catch (CharacterCodingException e)
    {
        skey = ByteBufferUtil.bytesToHex(key);
    }
    return new StringToken(skey);
}
 

public void validateCollectionMember(ByteBuffer bytes, ByteBuffer collectionName) throws MarshalException
{
    CollectionType t = defined.get(collectionName);
    if (t == null)
        throw new MarshalException(ByteBufferUtil.bytesToHex(collectionName) + " is not defined as a collection");

    t.nameComparator().validate(bytes);
}
 

public int compareCollectionMembers(ByteBuffer o1, ByteBuffer o2, ByteBuffer collectionName)
{
    CollectionType t = defined.get(collectionName);
    if (t == null)
        throw new RuntimeException(ByteBufferUtil.bytesToHex(collectionName) + " is not defined as a collection");

    return t.nameComparator().compare(o1, o2);
}
 

public static String toHex(ByteBuffer byteBuffer) {
    return ByteBufferUtil.bytesToHex(byteBuffer);
}
 

private static String getUnQuotedCqlBlob(ByteBuffer term, boolean isCQL3)
{
    return isCQL3
            ? "0x" + ByteBufferUtil.bytesToHex(term)
            : ByteBufferUtil.bytesToHex(term);
}
 

public String toString(ByteBuffer value)
{
    return ByteBufferUtil.bytesToHex(value);
}
 

private static File cfDir(CFMetaData metadata)
{
    String cfId = ByteBufferUtil.bytesToHex(ByteBufferUtil.bytes(metadata.cfId));
    return new File(tempDataDir, metadata.ksName + File.separator + metadata.cfName + "-" + cfId);
}
 

@Override
public String toString()
{
    return "[" + ByteBufferUtil.bytesToHex(start.toByteBuffer()) + ", " + ByteBufferUtil.bytesToHex(finish.toByteBuffer()) + "]";
}
 

public String getString(ByteBuffer bytes)
{
    return ByteBufferUtil.bytesToHex(bytes);
}
 

public String getString(ByteBuffer bytes)
{
    return ByteBufferUtil.bytesToHex(bytes);
}
 

@Override
public String toString()
{
    String keystring = getKey() == null ? "null" : ByteBufferUtil.bytesToHex(getKey());
    return "DecoratedKey(" + getToken() + ", " + keystring + ")";
}
 

@Override
public String toString()
{
    return ByteBufferUtil.bytesToHex(bytes);
}
 

public String toString()
{
    return ByteBufferUtil.bytesToHex(bytes);
}
 

@JsonProperty ("to")
public String getToHex() {
    return ByteBufferUtil.bytesToHex(_to);
}
 

@JsonProperty ("from")
public String getFromHex() {
    return ByteBufferUtil.bytesToHex(_from);
}
 

/**
 * generate a column family name for an index corresponding to the given column.
 * This is NOT the same as the index's name! This is only used in sstable filenames and is not exposed to users.
 *
 * @param info A definition of the column with index
 *
 * @return name of the index ColumnFamily
 */
public String indexColumnFamilyName(ColumnDefinition info)
{
    // TODO simplify this when info.index_name is guaranteed to be set
    return cfName + Directories.SECONDARY_INDEX_NAME_SEPARATOR + (info.getIndexName() == null ? ByteBufferUtil.bytesToHex(info.name.bytes) : info.getIndexName());
}