Package org.basex.query.func.convert

Class ConvertFn

java.lang.Object

org.basex.query.expr.ExprInfo

org.basex.query.expr.Expr

org.basex.query.expr.ParseExpr

org.basex.query.expr.Arr

org.basex.query.func.StandardFunc

org.basex.query.func.convert.ConvertFn

Direct Known Subclasses:

ConvertBinaryToString, ConvertIntegersToBase64, ConvertStringToBase64, ConvertStringToHex

public abstract class ConvertFn
extends StandardFunc

Functions for converting data to other formats.

Author:

BaseX Team 2005-21, BSD License, Christian Gruen

Field Summary

Fields inherited from class org.basex.query.func.StandardFunc

definition, sc

Fields inherited from class org.basex.query.expr.Arr

exprs

Fields inherited from class org.basex.query.expr.ParseExpr

exprType, info

Constructor Summary

Constructors

Constructor	Description
ConvertFn()

Method Summary

Modifier and Type	Method	Description
static byte[]	toBinary(byte[] in, String enc)	Converts the first argument from a string to a byte array.
static byte[]	toString(InputStream is, String encoding, boolean validate)	Converts the specified input to a string in the specified encoding.

Methods inherited from class org.basex.query.func.StandardFunc

checkAdmin, checkArity, checkArity, checkCreate, checkData, checkPath, checkPath, coerceFunc, compileData, copy, data, data, dataLock, dateTimeToMs, description, equals, has, opt, optFirst, optFirst, optimize, plan, plan, serialize, simplifyArgs, toBaseUri, toBindings, toCollation, toDate, toDBNode, toEncodingOrNull, toNodeOrAtomItem, toOptions, toPath, toPath, toQuery, toQuery, vacuous

Methods inherited from class org.basex.query.expr.Arr

accept, allAreValues, args, checkUp, compile, copyAll, count, exprSize, flatten, inline, inline, inlineable, mayBePositional, simplifyAll

Methods inherited from class org.basex.query.expr.ParseExpr

adoptType, atomValue, checkAllUp, checkNoEmpty, checkNoEmpty, checkNoneUp, checkNoUp, checkType, checkType, checkUp, copyType, ctxValue, ebv, item, iter, refineType, seqType, size, test, toArray, toArray, toAtomItem, toB64, toB64, toBin, toBin, toBoolean, toBoolean, toBytes, toBytes, toDouble, toDouble, toElem, toFloat, toFunc, toItem, toItem, toLong, toLong, toMap, toMap, toNode, toNode, toNodeOrNull, toNumber, toNumberOrNull, toQNm, toQNm, toToken, toToken, toTokenOrNull, toZeroToken, value

Methods inherited from class org.basex.query.expr.Expr

arg, atomItem, atomIter, ddo, funcType, hasFreeVars, indexAccessible, isSimple, markTailCalls, mergeEbv, simplifyFor, typeCheck, uses, visitAll

Methods inherited from class org.basex.query.expr.ExprInfo

toErrorString, toString

Methods inherited from class java.lang.Object

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

Constructor Details

ConvertFn

public ConvertFn()

Method Details

toBinary

public static byte[] toBinary(byte[] in,
 String enc)
                       throws CharacterCodingException

Converts the first argument from a string to a byte array.

Parameters:

in - input string

enc - encoding

Returns:

resulting value

Throws:

CharacterCodingException - character coding exception

toString

public static byte[] toString(InputStream is,
 String encoding,
 boolean validate)
                       throws IOException

Converts the specified input to a string in the specified encoding.

Parameters:

is - input stream

encoding - encoding

validate - validate string

Returns:

resulting value

Throws:

IOException - I/O exception