H2 Database Engine 2.3.232 · org.h2.util.StringUtils

Modifier and Type	Field and Description
private static final char[]	HEX
private static final int[]	HEX_DECODE
private static SoftReference<String[]>	softCache
private static long	softCacheCreatedNs
private static final String[][]	TO_UPPER_CACHE
private static final int	TO_UPPER_CACHE_LENGTH
private static final int	TO_UPPER_CACHE_MAX_ENTRY_LENGTH

Access	Constructor and Description
private	StringUtils()

Method Summary

Modifier and Type	Method and Description
public static String	Returns: the text with asterisk addAsterisk(String the text s, int the position index) Add an asterisk ('[*]') at the given position.
public static StringBuilder	Returns: the specified string builder appendHex(StringBuilder string builder to append to builder, long value to append x, int number of bytes to append bytes) Appends specified number of trailing bytes from unsigned long value to a specified string builder.
public static StringBuilder	Returns: the specified string builder appendToLength(StringBuilder the string builder builder, String the string to append s, int the length limit length) Appends the specified string or its part to the specified builder with maximum builder length limit.
public static StringBuilder	Returns: the specified string builder appendTwoDigits(StringBuilder the string builder builder, int the number to append positiveValue) Append a zero-padded number from 00 to 99 to a string builder.
public static StringBuilder	Returns: the specified string builder appendZeroPadded(StringBuilder the string builder builder, int the number of characters to append length, int the number to append positiveValue) Append a zero-padded number to a string builder.
public static String	Returns: the combined string arrayCombine(String[] the string array list, char the separator character separatorChar) Combine an array of strings to one array using the given separator character.
public static String[]	Returns: the array list arraySplit(String the string to split s, char the separator character separatorChar, boolean whether each element should be trimmed trim) Split a string into an array of strings using the given separator.
public static String	Returns: a string with the same content, if possible from the cache cache(String the original string s) Get the string from the cache if possible.
public static void	clearCache() Clear the cache.
public static char[]	Returns: a new char array cloneCharArray(char[] the char array (may be null) chars) Create a new char array and copy all the data.
public static String	Returns: the hex encoded string convertBytesToHex(byte[] the byte array value) Convert a byte array to a hex encoded string.
public static String	Returns: the hex encoded string convertBytesToHex(byte[] the byte array value, int the number of bytes to encode len) Convert a byte array to a hex encoded string.
public static StringBuilder	Returns: the hex encoded string convertBytesToHex(StringBuilder string builder to append to builder, byte[] the byte array value) Convert a byte array to a hex encoded string and appends it to a specified string builder.
public static StringBuilder	Returns: the hex encoded string convertBytesToHex(StringBuilder string builder to append to builder, byte[] the byte array value, int the number of bytes to encode len) Convert a byte array to a hex encoded string and appends it to a specified string builder.
public static byte[]	Returns: the byte array convertHexToBytes(String the hex encoded string s) Convert a hex encoded string to a byte array.
public static ByteArrayOutputStream	Returns: the specified output stream or a new output stream convertHexWithSpacesToBytes(ByteArrayOutputStream the output stream, or `null` baos, String the hex encoded string s, int the start index start, int the end index, exclusive end) Parses a hex encoded string with possible space separators and appends the decoded binary string to the specified output stream.
public static String	Returns: the decoded string decodeUnicodeStringSQL(String the string to decode s, int the code point of UENCODE character, or '\\' uencode) Decodes a Unicode SQL string.
public static String	Returns: the escaped pattern escapeMetaDataPattern(String the pattern pattern) Escape table or schema patterns used for DatabaseMetaData functions.
private static String[]	getCache()
private static DbException	getFormatException(String s, int i)
private static DbException	getHexStringException(int code, String s, int start, int end)
public static StringBuilder	Returns: the specified string builder indent(StringBuilder string builder to append to builder, String the string s, int the number of spaces spaces, boolean append a newline if there is none newline) Indents a string with spaces and appends it to a specified builder.
public static boolean	Returns: true if it is null or empty isNullOrEmpty(String the string to check s) Check if a String is null or empty (the length is null).
public static boolean	Returns: true if it is isNumber(String the string s) Check if this string is a decimal number.
public static boolean	Returns: whether the specified string is empty or contains only whitespace isWhitespaceOrEmpty(String the string s) Check if the specified string is empty or contains only whitespace.
public static String	Returns: the string javaDecode(String the encoded string s) Decode a text that is encoded as a Java string literal.
public static String	Returns: the Java representation javaEncode(String the text to convert s) Convert a string to a Java literal using the correct escape sequences.
public static void	javaEncode(String the text to convert s, StringBuilder the Java representation to return buff, boolean true if we embedding this inside a STRINGDECODE SQL command forSQL) Convert a string to a Java literal using the correct escape sequences.
public static String	Returns: the padded string pad(String the original string string, int the target length n, String the padding string padding, boolean true if the padding should be appended at the end right) Pad a string.
public static int	Returns: the unsigned `int` not greater than `Integer#MAX_VALUE`. parseUInt31(String string to parse s, int the beginning index, inclusive start, int the ending index, exclusive end) Parses an unsigned 31-bit integer.
public static String	Returns: the double quoted text quoteIdentifier(String the text s) Enclose a string with double quotes.
public static StringBuilder	Returns: the specified builder quoteIdentifier(StringBuilder string builder to append to builder, String the text s) Enclose a string with double quotes and append it to the specified string builder.
private static StringBuilder	quoteIdentifierOrLiteral(StringBuilder builder, String s, char q)
public static String	Returns: the Java source code (including new int[]{}) quoteJavaIntArray(int[] the int array array) Convert an int array to the Java source code that represents this array.
public static String	Returns: the Java representation quoteJavaString(String the text to convert s) Convert a string to the Java literal and enclose it with double quotes.
public static String	Returns: the Java source code (including new String[]{}) quoteJavaStringArray(String[] the string array array) Convert a string array to the Java source code that represents this array.
public static String	Returns: the SQL literal quoteStringSQL(String the text to convert. s) Convert a string to a SQL literal.
public static StringBuilder	Returns: the specified string builder quoteStringSQL(StringBuilder string builder to append result to builder, String the text to convert s) Convert a string to a SQL character string literal.
public static String	Returns: the string with the before string replaced replaceAll(String the string s, String the old text before, String the new text after) Replace all occurrences of the before string with the after string.
public static boolean	Returns: TRUE only if text starts with the prefix startsWith(String the full text starting with a prefix text, String the full text starting with a prefix prefix) Case-sensitive check if a {@param text} starts with a {@param prefix}.
public static boolean	Returns: TRUE only if text starts with the prefix startsWithIgnoringCase(String the full text starting with a prefix text, String the full text starting with a prefix prefix) Case-Insensitive check if a {@param text} starts with a {@param prefix}.
public static String	Returns: the lowercase text toLowerEnglish(String the text to convert s) Convert a string to lowercase using the English locale.
public static String	Returns: the uppercase text toUpperEnglish(String the test to convert s) Convert a string to uppercase using the English locale.
public static String	Returns: the trimmed string trim(String the string s, boolean if leading characters should be removed leading, boolean if trailing characters should be removed trailing, String what to remove or `null` for a space characters) Trim a character from a string.
private static String	trim(String s, boolean leading, boolean trailing, IntPredicate test)
public static String	Returns: the trimmed string trim(String the string s, boolean if leading characters should be removed leading, boolean if trailing characters should be removed trailing, char what to remove character) Trim a character from a string.
public static String	Returns: trimmed substring trimSubstring(String the string s, int start index of substring (inclusive) beginIndex) Trim a whitespace from a substring.
public static String	Returns: trimmed substring trimSubstring(String the string s, int start index of substring (inclusive) beginIndex, int end index of substring (exclusive) endIndex) Trim a whitespace from a substring.
public static StringBuilder	Returns: the specified builder trimSubstring(StringBuilder string builder to append to builder, String the string s, int start index of substring (inclusive) beginIndex, int end index of substring (exclusive) endIndex) Trim a whitespace from a substring and append it to a specified string builder.
public static String	Returns: the specified string if it isn't longer than the specified maximum length, and the truncated string otherwise truncateString(String the string to truncate s, int the maximum length in characters maximumLength) Truncates the specified string to the specified length.
public static String	Returns: the decoded string urlDecode(String the encoded URL encoded) Decode the URL to a string.
public static String	Returns: the encoded string urlEncode(String the string to encode s) Encode the string as a URL.
public static String	Returns: the attribute xmlAttr(String the attribute name name, String the attribute value value) Creates an XML attribute of the form name="value".
public static String	Returns: <![CDATA[data]]> xmlCData(String the text data data) Converts the data to a CDATA element.
public static String	Returns: <!-- data --> xmlComment(String the comment text data) Escapes a comment.
public static String	Returns: the node xmlNode(String the element name name, String the attributes (may be null) attributes, String the content (may be null) content) Create an XML node with optional attributes and content.
public static String	Returns: the node xmlNode(String the element name name, String the attributes (may be null) attributes, String the content (may be null) content, boolean whether to indent the content if it contains a newline indent) Create an XML node with optional attributes and content.
public static String	Returns: <?xml version="1.0"?> xmlStartDoc() Returns <?xml version="1.0"?
public static String	Returns: the escaped text xmlText(String the text data text) Escapes an XML text element.
public static String	Returns: the escaped text xmlText(String the text data text, boolean whether to escape newlines escapeNewline) Escapes an XML text element.

Inherited from java.lang.Object:: clone equals finalize getClass hashCode notify notifyAll toString wait wait wait

public Class StringUtils

Field Summary

Constructor Summary

Method Summary