org.springframework.cassandra.core.cql

Class CqlStringUtils

java.lang.Object

org.springframework.cassandra.core.cql.CqlStringUtils

public class CqlStringUtils
extends Object

Field Summary

Fields

Modifier and Type	Field and Description
protected static String	DOUBLE_DOUBLE_QUOTE
static String	DOUBLE_QUOTE
protected static String	DOUBLE_SINGLE_QUOTE
protected static String	EMPTY_STRING
protected static String	SINGLE_QUOTE
protected static String	TYPE_PARAMETER_PREFIX
protected static String	TYPE_PARAMETER_SUFFIX

Constructor Summary

Constructors

Constructor and Description
CqlStringUtils()

Method Summary

Modifier and Type	Method and Description
static String	doubleQuote(Object thing) Surrounds given object's Object.toString() with double quotes.
static String	escapeDouble(Object thing) Doubles double quote characters (" -> "").
static String	escapeSingle(Object thing) Doubles single quote characters (' -> '').
static StringBuilder	noNull(StringBuilder sb)
static String	removeSingleQuotes(Object thing) Removed single quotes from quoted String option values
static String	singleQuote(Object thing) Surrounds given object's Object.toString() with single quotes.
static String	toCql(com.datastax.driver.core.DataType dataType) Renders the given DataType as a CQL string.
static String	unquote(String s)
static String	unquote(String s, String quoteChar)
static String	valuize(String candidate) Renders the given string as a legal Cassandra string column or table option value, by escaping single quotes and encasing the result in single quotes.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field Detail

SINGLE_QUOTE

protected static final String SINGLE_QUOTE

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Constant Field Values

DOUBLE_SINGLE_QUOTE

protected static final String DOUBLE_SINGLE_QUOTE

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Constant Field Values

DOUBLE_QUOTE

public static final String DOUBLE_QUOTE

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Constant Field Values

DOUBLE_DOUBLE_QUOTE

protected static final String DOUBLE_DOUBLE_QUOTE

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Constant Field Values

EMPTY_STRING

protected static final String EMPTY_STRING

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Constant Field Values

TYPE_PARAMETER_PREFIX

protected static final String TYPE_PARAMETER_PREFIX

See Also:

Constant Field Values

TYPE_PARAMETER_SUFFIX

protected static final String TYPE_PARAMETER_SUFFIX

See Also:

Constant Field Values

Constructor Detail

CqlStringUtils

public CqlStringUtils()

Method Detail

noNull

public static StringBuilder noNull(StringBuilder sb)

valuize

public static String valuize(String candidate)

Renders the given string as a legal Cassandra string column or table option value, by escaping single quotes and encasing the result in single quotes. Given null, returns null.

escapeSingle

public static String escapeSingle(Object thing)

Doubles single quote characters (' -> ''). Given null, returns null.

escapeDouble

public static String escapeDouble(Object thing)

Doubles double quote characters (" -> ""). Given null, returns null.

singleQuote

public static String singleQuote(Object thing)

Surrounds given object's Object.toString() with single quotes. Given null, returns null.

doubleQuote

public static String doubleQuote(Object thing)

Surrounds given object's Object.toString() with double quotes. Given null, returns null.

removeSingleQuotes

public static String removeSingleQuotes(Object thing)

Removed single quotes from quoted String option values

toCql

public static String toCql(com.datastax.driver.core.DataType dataType)

Renders the given DataType as a CQL string.

Parameters:

dataType - The DataType to render; must not be null.

unquote

public static String unquote(String s)

unquote

public static String unquote(String s,
                             String quoteChar)