org.gephi.project.io

Class Xml10FilterReader

java.lang.Object

java.io.Reader

java.io.FilterReader

org.gephi.project.io.Xml10FilterReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

public class Xml10FilterReader
extends FilterReader

FilterReader to skip invalid xml version 1.0 characters. Valid Unicode chars for xml version 1.0 according to http://www.w3.org/TR/xml are #x9 | #xA | #xD | [#x20-#xD7FF] | [#xE000-#xFFFD], [#x10000-#x10FFFF] . In other words - any Unicode character, excluding the surrogate blocks, FFFE, and FFFF.

More details on the blog

Field Summary

Fields inherited from class java.io.FilterReader

in

Fields inherited from class java.io.Reader

lock

Constructor Summary

Constructors

Constructor and Description
Xml10FilterReader(Reader in) Creates filter reader which skips invalid xml characters.

Method Summary

Modifier and Type	Method and Description
int	read(char[] cbuf, int off, int len) Every overload of Reader.read() method delegates to this one so it is enough to override only this one.

Methods inherited from class java.io.FilterReader

close, mark, markSupported, read, ready, reset, skip

Methods inherited from class java.io.Reader

read, read

Methods inherited from class java.lang.Object

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

Constructor Detail

Xml10FilterReader

public Xml10FilterReader(Reader in)

Creates filter reader which skips invalid xml characters.

Parameters:

in - original reader

Method Detail

read

public int read(char[] cbuf,
                int off,
                int len)
         throws IOException

Every overload of Reader.read() method delegates to this one so it is enough to override only this one.

To skip invalid characters this method shifts only valid chars to left and returns decreased value of the original read method. So after last valid character there will be some unused chars in the buffer.

Overrides:

read in class FilterReader

Returns:

Number of read valid characters or -1 if end of the underling reader was reached.

Throws:

IOException