com.ctc.wstx.io
Class EBCDICReader

java.lang.Object
  java.io.Reader
      com.ctc.wstx.io.BaseReader
          com.ctc.wstx.io.EBCDICReader

public final class EBCDICReader

extends com.ctc.wstx.io.BaseReader

Simple baseline Reader for reading EBCDIC encoded content to be able to boostrap xml document. It is based on codepage 037 (one used in US), but will hopefully be applicable for bootstrapping other codepages as well (but not beyond).

Field Summary

protected static char	CONVERT_LSEP_TO In xml 1.1, LSEP bit like \n, or \r.
protected static char	CONVERT_NEL_TO In xml 1.1, NEL (0x85) behaves much the way \n does (can be follow \r as part of the linefeed
protected byte[]	mBuffer
protected ReaderConfig	mConfig
protected java.io.InputStream	mIn
protected int	mLength
protected int	mPtr
protected static char	NULL_BYTE
protected static char	NULL_CHAR

Fields inherited from class java.io.Reader

lock

Constructor Summary

EBCDICReader(ReaderConfig cfg, java.io.InputStream in, byte[] buf, int ptr, int len)

Method Summary

void	close()
void	freeBuffers() This method should be called along with (or instead of) normal close.
int	read() Although this method is implemented by the base class, AND it should never be called by Woodstox code, let's still implement it bit more efficiently just in case
int	read(char[] cbuf, int start, int len)
protected void	reportBounds(char[] cbuf, int start, int len)
protected void	reportInvalidXml11(int value, int bytePos, int charPos)
protected void	reportStrangeStream()
void	setXmlCompliancy(int xmlVersion) Method that can be called to indicate the xml conformance used when reading content using this reader.
java.io.Reader	switchIfNecessary(java.lang.String realEncoding, char[] charBuffer, int ptr, int len)

Methods inherited from class java.io.Reader

mark, markSupported, read, ready, reset, skip

Methods inherited from class java.lang.Object

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

Field Detail

NULL_CHAR

protected static final char NULL_CHAR

See Also:

Constant Field Values

NULL_BYTE

protected static final char NULL_BYTE

See Also:

Constant Field Values

CONVERT_NEL_TO

protected static final char CONVERT_NEL_TO

In xml 1.1, NEL (0x85) behaves much the way \n does (can be follow \r as part of the linefeed

See Also:

Constant Field Values

CONVERT_LSEP_TO

protected static final char CONVERT_LSEP_TO

In xml 1.1, LSEP bit like \n, or \r. Need to choose one as the result. Let's use \n, for simplicity

See Also:

Constant Field Values

mConfig

protected final ReaderConfig mConfig

mIn

protected java.io.InputStream mIn

mBuffer

protected byte[] mBuffer

mPtr

protected int mPtr

mLength

protected int mLength

Constructor Detail

EBCDICReader

public EBCDICReader(ReaderConfig cfg,
                    java.io.InputStream in,
                    byte[] buf,
                    int ptr,
                    int len)

Method Detail

setXmlCompliancy

public void setXmlCompliancy(int xmlVersion)

Description copied from class: com.ctc.wstx.io.BaseReader

Method that can be called to indicate the xml conformance used when reading content using this reader. Some of the character validity checks need to be done at reader level, and sometimes they depend on xml level (for example, xml 1.1 has new linefeeds and both more and less restricted characters).

switchIfNecessary

public java.io.Reader switchIfNecessary(java.lang.String realEncoding,
                                        char[] charBuffer,
                                        int ptr,
                                        int len)
                                 throws java.io.IOException

Throws:

java.io.IOException

read

public int read(char[] cbuf,
                int start,
                int len)
         throws java.io.IOException

Throws:

java.io.IOException

close

public void close()
           throws java.io.IOException

Throws:

java.io.IOException

read

public int read()
         throws java.io.IOException

Although this method is implemented by the base class, AND it should never be called by Woodstox code, let's still implement it bit more efficiently just in case

Throws:

java.io.IOException

freeBuffers

public final void freeBuffers()

This method should be called along with (or instead of) normal close. After calling this method, no further reads should be tried. Method will try to recycle read buffers (if any).

reportBounds

protected void reportBounds(char[] cbuf,
                            int start,
                            int len)
                     throws java.io.IOException

Throws:

java.io.IOException

reportStrangeStream

protected void reportStrangeStream()
                            throws java.io.IOException

Throws:

java.io.IOException

reportInvalidXml11

protected void reportInvalidXml11(int value,
                                  int bytePos,
                                  int charPos)
                           throws java.io.IOException

Throws:

java.io.IOException