com.feedzai.commons.sql.abstraction.util

Class StringUtil

java.lang.Object

com.feedzai.commons.sql.abstraction.util.StringUtil

public final class StringUtil
extends Object

A set of functions to manipulate Strings.

Method Summary

Methods

Modifier and Type	Method and Description
static String	escapeSql(String s) Escapes a String for SQL usage.
static Boolean	isBlank(String s) Tests if a String is blank.
static Boolean	isEmpty(String s) Tests if a String is empty.
static <T> String	join(Collection<T> collection) Joins the collection elements as a string.
static <T> String	join(Collection<T> collection, String separator) Joins the collection elements as a string.
static String	quotize(String s) Puts quotes around a String.
static String	quotize(String s, String quoteChar) Puts quotes around a String.
static String	readString(InputStream stream) Reads a string from the input stream.
static String	singleQuotize(String s) Puts single quotes around a string.
static String	stripToNull(String s) Strips a String to Null.

Methods inherited from class java.lang.Object

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

Method Detail

escapeSql

public static String escapeSql(String s)

Escapes a String for SQL usage.

Parameters:

s - the string to be 'escaped'

Returns:

a the string with escaped

stripToNull

public static String stripToNull(String s)

Strips a String to Null.

Parameters:

s - the string to be 'striped'

Returns:

a the string striped

isBlank

public static Boolean isBlank(String s)

Tests if a String is blank.

Parameters:

s - the string to be tested

Returns:

true if s is blank and false otherwise

isEmpty

public static Boolean isEmpty(String s)

Tests if a String is empty.

Parameters:

s - the string to be tested

Returns:

true if s is empty and false otherwise

quotize

public static String quotize(String s)

Puts quotes around a String.

Parameters:

s - the string to be 'quotized'

Returns:

a the string with quotes

quotize

public static String quotize(String s,
             String quoteChar)

Puts quotes around a String.

Parameters:

s - the string to be 'quotized'

Returns:

a the string with quotes

singleQuotize

public static String singleQuotize(String s)

Puts single quotes around a string.

Parameters:

s - the string to be single 'quotized'

Returns:

a string with single quotes

readString

public static String readString(InputStream stream)
                         throws IOException

Reads a string from the input stream.

Parameters:

stream - The stream.

Returns:

The string from that stream.

Throws:

IOException - If an I/O error occurs.

join

public static <T> String join(Collection<T> collection)

Joins the collection elements as a string.

Type Parameters:

T - The type of the collection elements.

Parameters:

collection - The collection.

Returns:

The collection elements joined as a string.

join

public static <T> String join(Collection<T> collection,
              String separator)

Joins the collection elements as a string.

Type Parameters:

T - The type of the collection elements.

Parameters:

collection - The collection.

separator - The separator between each collection element;

Returns:

The collection elements joined as a string.