本文整理了Java中com.datastax.driver.core.utils.Bytes.fromRawHexString()方法的一些代码示例，展示了Bytes.fromRawHexString()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。Bytes.fromRawHexString()方法的具体详情如下：
包路径：com.datastax.driver.core.utils.Bytes
类名称：Bytes
方法名：fromRawHexString

Bytes.fromRawHexString介绍

[英]Converts a CQL hex string representation into a byte array.

A CQL blob string representation consist of the hexadecimal representation of the blob bytes.
[中]将CQL十六进制字符串表示形式转换为字节数组。
CQL blob字符串表示法由blob字节的十六进制表示法组成。

代码示例

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

/**
 * Parse an hex string representing a CQL blob.
 *
 * <p>The input should be a valid representation of a CQL blob, i.e. it must start by "0x"
 * followed by the hexadecimal representation of the blob bytes.
 *
 * @param str the CQL blob string representation to parse.
 * @return the bytes corresponding to {@code str}. If {@code str} is {@code null}, this method
 *     returns {@code null}.
 * @throws IllegalArgumentException if {@code str} is not a valid CQL blob string.
 */
public static ByteBuffer fromHexString(String str) {
 if ((str.length() & 1) == 1)
  throw new IllegalArgumentException(
    "A CQL blob string must have an even length (since one byte is always 2 hexadecimal character)");
 if (str.charAt(0) != '0' || str.charAt(1) != 'x')
  throw new IllegalArgumentException("A CQL blob string must start with \"0x\"");
 return ByteBuffer.wrap(fromRawHexString(str, 2));
}

代码示例来源：origin: com.datastax.cassandra/cassandra-driver-core

/**
 * Create a PagingState object from a string previously generated with {@link #toString()}.
 *
 * @param string the string value.
 * @return the PagingState object created.
 * @throws PagingStateException if the string does not have the correct format.
 */
public static PagingState fromString(String string) {
 try {
  byte[] complete = Bytes.fromRawHexString(string, 0);
  return new PagingState(complete);
 } catch (Exception e) {
  throw new PagingStateException(
    "Cannot deserialize paging state, invalid format. "
      + "The serialized form was corrupted, or not initially generated from a PagingState object.",
    e);
 }
}

代码示例来源：origin: com.facebook.presto.cassandra/cassandra-driver

/**
 * Parse an hex string representing a CQL blob.
 * <p/>
 * The input should be a valid representation of a CQL blob, i.e. it
 * must start by "0x" followed by the hexadecimal representation of the
 * blob bytes.
 *
 * @param str the CQL blob string representation to parse.
 * @return the bytes corresponding to {@code str}. If {@code str}
 * is {@code null}, this method returns {@code null}.
 * @throws IllegalArgumentException if {@code str} is not a valid CQL
 *                                  blob string.
 */
public static ByteBuffer fromHexString(String str) {
  if ((str.length() & 1) == 1)
    throw new IllegalArgumentException("A CQL blob string must have an even length (since one byte is always 2 hexadecimal character)");
  if (str.charAt(0) != '0' || str.charAt(1) != 'x')
    throw new IllegalArgumentException("A CQL blob string must start with \"0x\"");
  return ByteBuffer.wrap(fromRawHexString(str, 2));
}

代码示例来源：origin: io.prestosql.cassandra/cassandra-driver

/**
 * Parse an hex string representing a CQL blob.
 * <p/>
 * The input should be a valid representation of a CQL blob, i.e. it
 * must start by "0x" followed by the hexadecimal representation of the
 * blob bytes.
 *
 * @param str the CQL blob string representation to parse.
 * @return the bytes corresponding to {@code str}. If {@code str}
 * is {@code null}, this method returns {@code null}.
 * @throws IllegalArgumentException if {@code str} is not a valid CQL
 *                                  blob string.
 */
public static ByteBuffer fromHexString(String str) {
  if ((str.length() & 1) == 1)
    throw new IllegalArgumentException("A CQL blob string must have an even length (since one byte is always 2 hexadecimal character)");
  if (str.charAt(0) != '0' || str.charAt(1) != 'x')
    throw new IllegalArgumentException("A CQL blob string must start with \"0x\"");
  return ByteBuffer.wrap(fromRawHexString(str, 2));
}

代码示例来源：origin: com.yugabyte/cassandra-driver-core

/**
 * Parse an hex string representing a CQL blob.
 * <p/>
 * The input should be a valid representation of a CQL blob, i.e. it
 * must start by "0x" followed by the hexadecimal representation of the
 * blob bytes.
 *
 * @param str the CQL blob string representation to parse.
 * @return the bytes corresponding to {@code str}. If {@code str}
 * is {@code null}, this method returns {@code null}.
 * @throws IllegalArgumentException if {@code str} is not a valid CQL
 *                                  blob string.
 */
public static ByteBuffer fromHexString(String str) {
  if ((str.length() & 1) == 1)
    throw new IllegalArgumentException("A CQL blob string must have an even length (since one byte is always 2 hexadecimal character)");
  if (str.charAt(0) != '0' || str.charAt(1) != 'x')
    throw new IllegalArgumentException("A CQL blob string must start with \"0x\"");
  return ByteBuffer.wrap(fromRawHexString(str, 2));
}

代码示例来源：origin: com.stratio.cassandra/cassandra-driver-core

/**
 * Parse an hex string representing a CQL blob.
 * <p>
 * The input should be a valid representation of a CQL blob, i.e. it
 * must start by "0x" followed by the hexadecimal representation of the
 * blob bytes.
 *
 * @param str the CQL blob string representation to parse.
 * @return the bytes corresponding to {@code str}. If {@code str}
 * is {@code null}, this method returns {@code null}.
 *
 * @throws IllegalArgumentException if {@code str} is not a valid CQL
 * blob string.
 */
public static ByteBuffer fromHexString(String str) {
  if ((str.length() & 1) == 1)
    throw new IllegalArgumentException("A CQL blob string must have an even length (since one byte is always 2 hexadecimal character)");
  if (str.charAt(0) != '0' || str.charAt(1) != 'x')
    throw new IllegalArgumentException("A CQL blob string must start with \"0x\"");
  return ByteBuffer.wrap(fromRawHexString(str, 2));
}

代码示例来源：origin: com.facebook.presto.cassandra/cassandra-driver

/**
 * Create a PagingState object from a string previously generated with {@link #toString()}.
 *
 * @param string the string value.
 * @return the PagingState object created.
 * @throws PagingStateException if the string does not have the correct format.
 */
public static PagingState fromString(String string) {
  try {
    byte[] complete = Bytes.fromRawHexString(string, 0);
    return new PagingState(complete);
  } catch (Exception e) {
    throw new PagingStateException("Cannot deserialize paging state, invalid format. "
        + "The serialized form was corrupted, or not initially generated from a PagingState object.", e);
  }
}

代码示例来源：origin: io.prestosql.cassandra/cassandra-driver

/**
 * Create a PagingState object from a string previously generated with {@link #toString()}.
 *
 * @param string the string value.
 * @return the PagingState object created.
 * @throws PagingStateException if the string does not have the correct format.
 */
public static PagingState fromString(String string) {
  try {
    byte[] complete = Bytes.fromRawHexString(string, 0);
    return new PagingState(complete);
  } catch (Exception e) {
    throw new PagingStateException("Cannot deserialize paging state, invalid format. "
        + "The serialized form was corrupted, or not initially generated from a PagingState object.", e);
  }
}

代码示例来源：origin: com.yugabyte/cassandra-driver-core

/**
 * Create a PagingState object from a string previously generated with {@link #toString()}.
 *
 * @param string the string value.
 * @return the PagingState object created.
 * @throws PagingStateException if the string does not have the correct format.
 */
public static PagingState fromString(String string) {
  try {
    byte[] complete = Bytes.fromRawHexString(string, 0);
    return new PagingState(complete);
  } catch (Exception e) {
    throw new PagingStateException("Cannot deserialize paging state, invalid format. "
        + "The serialized form was corrupted, or not initially generated from a PagingState object.", e);
  }
}