CkStringBuilder Java Reference Documentation

CkStringBuilder

Current Version: 10.1.0

A simple class for building strings. (Represents a mutable string of characters.)

Note: This class was introduced in Chilkat v9.5.0.58.

Object Creation

CkStringBuilder obj = new CkStringBuilder();

Properties

IntValue
int get_IntValue();
void put_IntValue(int newVal);
Introduced in version 9.5.0.58

Returns the content of the string converted to an integer.

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IsBase64
boolean get_IsBase64();
Introduced in version 9.5.0.76

Returns true if the content contains only those characters allowed in the base64 encoding. A base64 string is composed of characters 'A'..'Z', 'a'..'z', '0'..'9', '+', '/' and it is often padded at the end with up to two '=', to make the length a multiple of 4. Whitespace is ignored.

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LastMethodSuccess
boolean get_LastMethodSuccess();
void put_LastMethodSuccess(boolean newVal);

Indicate whether the last method call succeeded or failed. A value of true indicates success, a value of false indicates failure. This property is automatically set for method calls. It is not modified by property accesses. The property is automatically set to indicate success for the following types of method calls:

  • Any method that returns a string.
  • Any method returning a Chilkat object, binary bytes, or a date/time.
  • Any method returning a standard boolean status value where success = true and failure = false.
  • Any method returning an integer where failure is defined by a return value less than zero.

Note: Methods that do not fit the above requirements will always set this property equal to true. For example, a method that returns no value (such as a "void" in C++) will technically always succeed.

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Length
int get_Length();
Introduced in version 9.5.0.58

The number of characters of the string contained within this instance.

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Methods

Append
boolean Append(String value);
Introduced in version 9.5.0.58

Appends a copy of the specified string to this instance.

Returns true for success, false for failure.

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AppendBd
boolean AppendBd(CkBinData binData, String charset, int offset, int numBytes);
Introduced in version 9.5.0.64

Appends the contents of binData. The charset specifies the character encoding of the bytes contained in binData. The charset can be any of the supported encodings listed at Chilkat Supported Character Encodings. To append the entire contents of binData, set offset and numBytes equal to zero. To append a range of binData, set the offset and numBytes to specify the range.

Returns true for success, false for failure.

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AppendEncoded
boolean AppendEncoded(CkByteData binaryData, String encoding);
Introduced in version 9.5.0.58

Appends binary data using the encoding specified by encoding, such as "base64", "hex", etc.

Returns true for success, false for failure.

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AppendInt
boolean AppendInt(int value);
Introduced in version 9.5.0.58

Appends the string representation of a specified 32-bit signed integer to this instance.

Returns true for success, false for failure.

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AppendInt64
boolean AppendInt64(long long value);
Introduced in version 9.5.0.58

Appends the string representation of a specified 64-bit signed integer to this instance.

Returns true for success, false for failure.

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AppendLine
boolean AppendLine(String value, boolean crlf);
Introduced in version 9.5.0.65

Appends the value followed by a CRLF or LF to the end of the curent StringBuilder object. If crlf is true, then a CRLF line ending is used. Otherwise a LF line ending is used.

Returns true for success, false for failure.

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AppendRandom
boolean AppendRandom(int numBytes, String encoding);
Introduced in version 9.5.0.96

Append numBytes random bytes encoded according to encoding. encoding can be "hex", "hex_lower", "base64", "base64url", or any other encoding supported by Chilkat.

Returns true for success, false for failure.

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AppendSb
boolean AppendSb(CkStringBuilder sb);
Introduced in version 9.5.0.62

Appends the contents of another StringBuilder to this instance.

Returns true for success, false for failure.

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AppendUuid
boolean AppendUuid(boolean lowerCase);
Introduced in version 9.5.0.93

Generates and appends a random GUID/UUID such as 63c35f38-2b5f-4600-b3da-3ddee86d62b3. If lowerCase is true, then the hex values use lowercase ("a" - "f"). If lowerCase is false then uppercase is used ("A" - "F").

Note: This generates a version 4 UUID.

Returns true for success, false for failure.

More Information and Examples
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AppendUuid7
boolean AppendUuid7(boolean lowerCase);
Introduced in version 10.1.0

Generates and appends a random version 7 UUID. If lowerCase is true, then the hex values use lowercase ("a" - "f"). If lowerCase is false then uppercase is used ("A" - "F").

Returns true for success, false for failure.

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Clear
void Clear();
Introduced in version 9.5.0.58

Removes all characters from the current StringBuilder instance.

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Contains
boolean Contains(String str, boolean caseSensitive);
Introduced in version 9.5.0.58

Returns true if the str is contained within this object. For case sensitive matching, set caseSensitive equal to true. For case-insensitive, set caseSensitive equal to false.

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ContainsWord
boolean ContainsWord(String word, boolean caseSensitive);
Introduced in version 9.5.0.69

Returns true if the word is contained within this object, but only if it is a whole word. This method is limited to finding whole words in strings that only contains characters in the Latin1 charset (i.e. iso-8859-1 or Windows-1252). A whole word can only contain alphanumeric chars where the alpha chars are restricted to those of the Latin1 alpha chars. (The underscore character is also considered part of a word.)

For case sensitive matching, set caseSensitive equal to true. For case-insensitive, set caseSensitive equal to false.

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ContentsEqual
boolean ContentsEqual(String str, boolean caseSensitive);
Introduced in version 9.5.0.62

Returns true if the contents of this object equals the str. Returns false if unequal. For case insensitive equality, set caseSensitive equal to false.

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ContentsEqualSb
boolean ContentsEqualSb(CkStringBuilder sb, boolean caseSensitive);
Introduced in version 9.5.0.62

Returns true if the contents of this object equals the sb. Returns false if unequal. For case insensitive equality, set caseSensitive equal to false.

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Decode
boolean Decode(String encoding, String charset);
Introduced in version 9.5.0.62

Decodes and replaces the contents with the decoded string. The encoding can be set to any of the following strings: "base64", "hex", "quoted-printable" (or "qp"), "url", "base32", "Q", "B", "url_rc1738", "url_rfc2396", "url_rfc3986", "url_oauth", "uu", "modBase64", or "html" (for HTML entity encoding). The full up-to-date list of supported binary encodings is available at the link entitled "Supported Binary Encodings" below.

Note: This method can only be called if the encoded content decodes to a string. The charset indicates the charset to be used in intepreting the decoded bytes. For example, the charset can be "utf-8", "utf-16", "iso-8859-1", "shift_JIS", etc.

Returns true for success, false for failure.

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DecodeAndAppend
boolean DecodeAndAppend(String value, String encoding, String charset);
Introduced in version 9.5.0.87

Decodes a binary encoded string, where the binary encoding (such as "url", "hex", "base64", etc.) is specified by encoding, and the underlying charset encoding (such as "utf-8", "windows-1252", etc.) is specified by charset. The decoded string is appended to this object.

Returns true for success, false for failure.

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Encode
boolean Encode(String encoding, String charset);
Introduced in version 9.5.0.62

Encodes to base64, hex, quoted-printable, URL encoding, etc. The encoding can be set to any of the following strings: "base64", "hex", "quoted-printable" (or "qp"), "url", "base32", "Q", "B", "url_rc1738", "url_rfc2396", "url_rfc3986", "url_oauth", "uu", "modBase64", or "html" (for HTML entity encoding). The full up-to-date list of supported binary encodings is available at the link entitled "Supported Binary Encodings" below.

Returns true for success, false for failure.

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EndsWith
boolean EndsWith(String substr, boolean caseSensitive);
Introduced in version 9.5.0.62

Returns true if the string ends with substr. Otherwise returns false. The comparison is case sensitive if caseSensitive is true, and case insensitive if caseSensitive is false.

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EntityDecode
boolean EntityDecode();
Introduced in version 9.5.0.62

Decodes HTML entities. See HTML entities for more information about HTML entities.

Returns true for success, false for failure.

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GetAfterBetween
boolean GetAfterBetween(String searchAfter, String beginMark, String endMark, CkString outStr);
String getAfterBetween(String searchAfter, String beginMark, String endMark);
Introduced in version 9.5.0.62

Begin searching after the 1st occurrence of searchAfter is found, and then return the substring found between the next occurrence of beginMark and the next occurrence of endMark.

Returns true for success, false for failure.

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GetAfterFinal
boolean GetAfterFinal(String marker, boolean removeFlag, CkString outStr);
String getAfterFinal(String marker, boolean removeFlag);
Introduced in version 9.5.0.77

Returns the substring found after the final occurrence of marker. If removeFlag is true, the marker and the content that follows is removed from this content.

If the marker is not present, then the entire string is returned. In this case, if removeFlag is true, this object is also cleared.

Returns true for success, false for failure.

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GetAsString
boolean GetAsString(CkString outStr);
String getAsString();
Introduced in version 9.5.0.58

Returns the contents as a string.

Returns true for success, false for failure.

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GetBefore
boolean GetBefore(String marker, boolean removeFlag, CkString outStr);
String getBefore(String marker, boolean removeFlag);
Introduced in version 9.5.0.77

Returns the substring found before the 1st occurrence of marker. If removeFlag is true, the content up to and including the marker is removed from this object's contents.

If the marker is not present, then the entire string is returned. In this case, if removeFlag is true, this object is also cleared.

Returns true for success, false for failure.

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GetBetween
boolean GetBetween(String beginMark, String endMark, CkString outStr);
String getBetween(String beginMark, String endMark);
Introduced in version 9.5.0.62

Returns the substring found between the 1st occurrence of beginMark and the next occurrence of endMark.

Returns true for success, false for failure.

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GetDecoded
boolean GetDecoded(String encoding, CkByteData outData);
Introduced in version 9.5.0.62

Decodes and returns the decoded bytes. The encoding can be set to any of the following strings: "base64", "hex", "quoted-printable" (or "qp"), "url", "base32", "Q", "B", "url_rc1738", "url_rfc2396", "url_rfc3986", "url_oauth", "uu", "modBase64", or "html" (for HTML entity encoding). The full up-to-date list of supported binary encodings is available at the link entitled "Supported Binary Encodings" below.

Returns true for success, false for failure.

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GetEncoded
boolean GetEncoded(String encoding, String charset, CkString outStr);
String getEncoded(String encoding, String charset);
Introduced in version 9.5.0.62

Returns the string contents encoded in an encoding such as base64, hex, quoted-printable, or URL-encoding. The encoding can be set to any of the following strings: "base64", "hex", "quoted-printable" (or "qp"), "url", "base32", "Q", "B", "url_rc1738", "url_rfc2396", "url_rfc3986", "url_oauth", "uu", "modBase64", or "html" (for HTML entity encoding). The full up-to-date list of supported binary encodings is available at the link entitled "Supported Binary Encodings" below.

Note: The Encode method modifies the content of this object. The GetEncoded method leaves this object's content unmodified.

Returns true for success, false for failure.

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GetHash
boolean GetHash(String algorithm, String encoding, String charset, CkString outStr);
String getHash(String algorithm, String encoding, String charset);
Introduced in version 9.5.0.91

Returns the hash of the contents of this object. The algorithm is the hash algorithm, and can be "sha1", "sha256", "sha384", "sha512", "sha3-224", "sha3-256", "sha3-384", "sha3-512", "md2", "md5", "ripemd128", "ripemd160","ripemd256", or "ripemd320". The encoding can be "base64", "modBase64", "base64Url", "base32", "base58", "qp" (for quoted-printable), "url" (for url-encoding), "hex", "hexLower", or any of the encodings found at Chilkat Binary Encodings List.

The charset is the character encoding byte representation to hash. It is typically "utf-8". It can be any of the chacter encodings listed at Chilkat Character Encodings List.

Returns true for success, false for failure.

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GetNth
boolean GetNth(int index, String delimiterChar, boolean exceptDoubleQuoted, boolean exceptEscaped, CkString outStr);
String getNth(int index, String delimiterChar, boolean exceptDoubleQuoted, boolean exceptEscaped);
Introduced in version 9.5.0.62

Returns the Nth substring in string that is a list delimted by delimiterChar. The first substring is at index 0. If exceptDoubleQuoted is true, then the delimiter char found between double quotes is not treated as a delimiter. If exceptEscaped is true, then an escaped (with a backslash) delimiter char is not treated as a delimiter.

Returns true for success, false for failure.

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GetRange
boolean GetRange(int startIndex, int numChars, boolean removeFlag, CkString outStr);
String getRange(int startIndex, int numChars, boolean removeFlag);
Introduced in version 9.5.0.87

Returns a string containing the specified range of characters from this instance. If removeFlag is true, then the range of chars is removed from this instance.

Note: It was discovered that the range of chars was always removed regardless of the value of removeFlag. This is fixed in v9.5.0.89.

Returns true for success, false for failure.

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LastNLines
boolean LastNLines(int numLines, boolean bCrlf, CkString outStr);
String lastNLines(int numLines, boolean bCrlf);
Introduced in version 9.5.0.62

Returns the last N lines of the text. If fewer than numLines lines exists, then all of the text is returned. If bCrlf is true, then the line endings of the returned string are converted to CRLF, otherwise the line endings are converted to LF-only.

Returns true for success, false for failure.

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LoadFile
boolean LoadFile(String path, String charset);
Introduced in version 9.5.0.62

Loads the contents of a file.

Returns true for success, false for failure.

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Obfuscate
void Obfuscate();
Introduced in version 9.5.0.80

Obfuscates the string. (The Unobfuscate method can be called to reverse the obfuscation to restore the original string.)

The Chilkat string obfuscation algorithm works by taking the utf-8 bytes of the string, base64 encoding it, and then scrambling the letters of the base64 encoded string. It is deterministic in that the same string will always obfuscate to the same result. It is NOT a secure way of encrypting a string. It is only meant to be a simple means of transforming a string into something unintelligible.

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Prepend
boolean Prepend(String value);
Introduced in version 9.5.0.61

Prepends a copy of the specified string to this instance.

Returns true for success, false for failure.

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PunyDecode
boolean PunyDecode();
Introduced in version 9.5.0.71

In-place decodes the string from punycode.

Returns true for success, false for failure.

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PunyEncode
boolean PunyEncode();
Introduced in version 9.5.0.71

In-place encodes the string to punycode.

Returns true for success, false for failure.

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RemoveAccents
boolean RemoveAccents();
Introduced in version 9.5.0.91

Removes the accents (diacritics) from European accented characters. This applies only to the accented characters found in the Windows-1252 (Latin alphabet) and Windows-1250 (Central European) charsets. Accent marks for characters in other languages will not be removed.

Returns true for success, false for failure.

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RemoveAfterFinal
boolean RemoveAfterFinal(String marker);
Introduced in version 9.5.0.77

Removes the substring found after the final occurrence of the marker. Also removes the marker. Returns true if the marker was found and content was removed. Otherwise returns false.

Returns true for success, false for failure.

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RemoveBefore
boolean RemoveBefore(String marker);
Introduced in version 9.5.0.77

Removes the substring found before the 1st occurrence of the marker. Also removes the marker. Returns true if the marker was found and content was removed. Otherwise returns false.

Returns true for success, false for failure.

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RemoveCharsAt
boolean RemoveCharsAt(int startIndex, int numChars);
Introduced in version 9.5.0.87

Removes the specified range of characters from this instance.

Returns true for success, false for failure.

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Replace
int Replace(String value, String replacement);
Introduced in version 9.5.0.58

Replaces all occurrences of a specified string in this instance with another specified string. Returns the number of replacements.

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ReplaceAfterFinal
boolean ReplaceAfterFinal(String marker, String replacement);
Introduced in version 9.5.0.73

Replaces the content found after the final occurrence of marker with replacement.

Returns true for success, false for failure.

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ReplaceAllBetween
boolean ReplaceAllBetween(String beginMark, String endMark, String replacement, boolean replaceMarks);
Introduced in version 9.5.0.64

Replaces the first occurrence of ALL the content found between beginMark and endMark with replacement. The beginMark and endMark are included in what is replaced if replaceMarks is true.

Returns true for success, false for failure.

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ReplaceBetween
int ReplaceBetween(String beginMark, String endMark, String value, String replacement);
Introduced in version 9.5.0.62

Replaces all occurrences of value with replacement, but only where value is found between beginMark and endMark. Returns the number of replacements made.

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ReplaceFirst
boolean ReplaceFirst(String value, String replacement);
Introduced in version 9.5.0.77

Replaces the first occurrence of a specified string in this instance with another string. Returns true if the value was found and replaced. Otherwise returns false.

Returns true for success, false for failure.

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ReplaceI
int ReplaceI(String value, int replacement);
Introduced in version 9.5.0.67

Replaces all occurrences of value with the decimal integer replacement. Returns the number of replacements.

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ReplaceNoCase
int ReplaceNoCase(String value, String replacement);
Introduced in version 9.5.0.82

Replaces all occurrences of value with replacement (case insensitive). Returns the number of replacements.

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ReplaceWord
int ReplaceWord(String value, String replacement);
Introduced in version 9.5.0.62

Replaces all word occurrences of a specified string in this instance with another specified string. Returns the number of replacements made.

Important: This method is limited to replacing whole words in strings that only contains characters in the Latin1 charset (i.e. iso-8859-1 or Windows-1252). A whole word can only contain alphanumeric chars where the alpha chars are restricted to those of the Latin1 alpha chars. (The underscore character is also considered part of a word.)

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SecureClear
void SecureClear();
Introduced in version 9.5.0.67

Removes all characters from the current StringBuilder instance, and write zero bytes to the allocated memory before deallocating.

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SetNth
boolean SetNth(int index, String value, String delimiterChar, boolean exceptDoubleQuoted, boolean exceptEscaped);
Introduced in version 9.5.0.62

Sets the Nth substring in string in a list delimted by delimiterChar. The first substring is at index 0. If exceptDoubleQuoted is true, then the delimiter char found between double quotes is not treated as a delimiter. If exceptEscaped is true, then an escaped (with a backslash) delimiter char is not treated as a delimiter.

Returns true for success, false for failure.

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SetString
boolean SetString(String value);
Introduced in version 9.5.0.61

Sets this instance to a copy of the specified string.

Returns true for success, false for failure.

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Shorten
boolean Shorten(int numChars);
Introduced in version 9.5.0.87

Shortens the string by removing the last numChars chars.

Returns true for success, false for failure.

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StartsWith
boolean StartsWith(String substr, boolean caseSensitive);
Introduced in version 9.5.0.62

Returns true if the string starts with substr. Otherwise returns false. The comparison is case sensitive if caseSensitive is true, and case insensitive if caseSensitive is false.

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ToCRLF
boolean ToCRLF();
Introduced in version 9.5.0.62

Converts line endings to CRLF (Windows) format.

Returns true for success, false for failure.

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ToLF
boolean ToLF();
Introduced in version 9.5.0.62

Converts line endings to LF-only (UNIX) format.

Returns true for success, false for failure.

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ToLowercase
boolean ToLowercase();
Introduced in version 9.5.0.62

Converts the contents to lowercase.

Returns true for success, false for failure.

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ToUppercase
boolean ToUppercase();
Introduced in version 9.5.0.62

Converts the contents to uppercase.

Returns true for success, false for failure.

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Trim
boolean Trim();
Introduced in version 9.5.0.62

Trims whitespace from both ends of the string.

Returns true for success, false for failure.

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TrimInsideSpaces
boolean TrimInsideSpaces();
Introduced in version 9.5.0.62

Replaces all tabs, CR's, and LF's, with SPACE chars, and removes extra SPACE's so there are no occurances of more than one SPACE char in a row.

Returns true for success, false for failure.

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Unobfuscate
void Unobfuscate();
Introduced in version 9.5.0.80

Unobfuscates the string.

The Chilkat string obfuscation algorithm works by taking the utf-8 bytes of the string, base64 encoding it, and then scrambling the letters of the base64 encoded string. It is deterministic in that the same string will always obfuscate to the same result. It is not a secure way of encrypting a string. It is only meant to be a simple means of transforming a string into something unintelligible.

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WriteFile
boolean WriteFile(String path, String charset, boolean emitBom);
Introduced in version 9.5.0.62

Writes the contents to a file. If emitBom is true, then the BOM (also known as a preamble), is emitted for charsets that define a BOM (such as utf-8, utf-16, utf-32, etc.)

Returns true for success, false for failure.

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WriteFileIfModified
boolean WriteFileIfModified(String path, String charset, boolean emitBom);
Introduced in version 9.5.0.73

Writes the contents to a file, but only if it is a new file or if the contents are different than the existing file. If emitBom is true, then the BOM (also known as a preamble), is emitted for charsets that define a BOM (such as utf-8, utf-16, utf-32, etc.)

Returns true for success, false for failure.

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