org.smyld.text

Class EncodedStringNavigator

java.lang.Object

org.smyld.text.StringNavigator

org.smyld.text.EncodedStringNavigator

All Implemented Interfaces:

EncodedStringReader, StringReader

public class EncodedStringNavigator
extends StringNavigator
implements EncodedStringReader

This class will navigate through the given text, this text is supposed to be encoded in more than one codec format, the supported formats can be tested, and the text read can be converted according to the supplied code.

Field Summary

Fields

Modifier and Type	Field and Description
protected TextDecoder	textDecoder Will hold all the processing needed to decode the read string

Fields inherited from class org.smyld.text.StringNavigator

DEFAULT_DATA_BLOCK_DELIM_SIZE, DEFAULT_DATA_BLOCK_SIZE

Constructor Summary

Constructors

Constructor and Description
EncodedStringNavigator(File textFile) Constructs the class with the given
EncodedStringNavigator(File textFile, int DataBlockSizeInKelloByte) Constructs the class with the given
EncodedStringNavigator(InputStream dataStream, int DataBlockSizeInKelloByte) Constructs the class with the given
EncodedStringNavigator(String Text) Constructs the class with the given text

Method Summary

Modifier and Type	Method and Description
String	getText(int charNo, int code) Reads the text and fetchs the characters according to the given charachters no also the pointer is advanced accordingly, the returned text is decoded according to the given code
boolean	supportsCode(int codeSupported) This methode will check if the given code is supported or not.

Methods inherited from class org.smyld.text.StringNavigator

availableCharacters, close, EndOfValue, getDataBlockDelimiterSize, getDataBlockSize, getLastReadText, getPosition, getText, getText, isWithDelimiter, jump, reset, setDataBlockDelimiterSize, setDataBlockSize, setText, setWithDelimiter

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.smyld.text.StringReader

getText, getText, jump

Field Detail

textDecoder

protected TextDecoder textDecoder

Will hold all the processing needed to decode the read string

Constructor Detail

EncodedStringNavigator

public EncodedStringNavigator(String Text)

Constructs the class with the given text

Parameters:

Text - the text for navigation

EncodedStringNavigator

public EncodedStringNavigator(File textFile)
                       throws IOException

Constructs the class with the given

Parameters:

textFile - the file that contains the text for navigation

Throws:

IOException - if the file does not exist or any error occured while reading it

EncodedStringNavigator

public EncodedStringNavigator(File textFile,
                              int DataBlockSizeInKelloByte)
                       throws IOException

Constructs the class with the given

Parameters:

textFile - the file that contains the text for navigation

Throws:

IOException - if the file does not exist or any error occured while reading it

EncodedStringNavigator

public EncodedStringNavigator(InputStream dataStream,
                              int DataBlockSizeInKelloByte)
                       throws IOException

Constructs the class with the given

Parameters:

textFile - the file that contains the text for navigation

Throws:

IOException - if the file does not exist or any error occured while reading it

Method Detail

supportsCode

public boolean supportsCode(int codeSupported)

This methode will check if the given code is supported or not.

Parameters:

codeSupported - the code to test

Returns:

the test result

getText

public String getText(int charNo,
                      int code)

Reads the text and fetchs the characters according to the given charachters no also the pointer is advanced accordingly, the returned text is decoded according to the given code

Specified by:

getText in interface EncodedStringReader

Specified by:

getText in interface StringReader

Overrides:

getText in class StringNavigator

Parameters:

charNo - Number of characters to be read

code - the code of the text

Returns:

The resulted string and null if the passed code is not supported, end of file reached or any error occured