Package com.fasterxml.aalto.in

Class ByteSourceBootstrapper

java.lang.Object

com.fasterxml.aalto.in.InputBootstrapper

com.fasterxml.aalto.in.ByteSourceBootstrapper

All Implemented Interfaces:

XmlConsts

public final class ByteSourceBootstrapper
extends InputBootstrapper

Class that takes care of bootstrapping main document input from a byte-oriented input source: usually either an InputStream, or a block source like byte array.

Field Summary

Fields

Modifier and Type	Field	Description
protected final InputStream	_in	Underlying InputStream to use for reading content.
protected final byte[]	_inputBuffer
private int	_inputLen
private int	_inputPtr
private static final byte	BYTE_CR
private static final byte	BYTE_LF
private static final byte	BYTE_NULL
protected boolean	mBigEndian
protected boolean	mByteSizeFound
protected int	mBytesPerChar
protected boolean	mHadBOM

Fields inherited from class com.fasterxml.aalto.in.InputBootstrapper

_config, _inputProcessed, _inputRow, _inputRowStart, ERR_XMLDECL_END_MARKER, ERR_XMLDECL_EXP_ATTRVAL, ERR_XMLDECL_EXP_EQ, ERR_XMLDECL_EXP_SPACE, ERR_XMLDECL_KW_ENCODING, ERR_XMLDECL_KW_STANDALONE, ERR_XMLDECL_KW_VERSION, mDeclaredXmlVersion, mFoundEncoding, mKeyword, mStandalone

Fields inherited from interface com.fasterxml.aalto.util.XmlConsts

CHAR_CR, CHAR_LF, CHAR_NULL, CHAR_SPACE, MAX_UNICODE_CHAR, STAX_DEFAULT_OUTPUT_ENCODING, STAX_DEFAULT_OUTPUT_VERSION, XML_DECL_KW_ENCODING, XML_DECL_KW_STANDALONE, XML_DECL_KW_VERSION, XML_SA_NO, XML_SA_YES, XML_V_10, XML_V_10_STR, XML_V_11, XML_V_11_STR, XML_V_UNKNOWN

Constructor Summary

Constructors

Modifier	Constructor	Description
private	ByteSourceBootstrapper(ReaderConfig cfg, byte[] inputBuffer, int inputStart, int inputLen)
private	ByteSourceBootstrapper(ReaderConfig cfg, InputStream in)

Method Summary

Modifier and Type	Method	Description
final XmlScanner	bootstrap()	Main bootstrapping method, which will try to open the underlying input source, check its encoding, read xml declaration if there is one, and finally create a scanner for actual parsing.
protected int	checkKeyword(String exp)
protected int	checkMbKeyword(String expected)
protected int	checkSbKeyword(String expected)
static ByteSourceBootstrapper	construct(ReaderConfig cfg, byte[] inputBuffer, int inputStart, int inputLen)
static ByteSourceBootstrapper	construct(ReaderConfig cfg, InputStream in)
private void	determineStreamEncoding()	Method called to figure out what the physical encoding of the file appears to be (in case it can be determined from BOM, or xml declaration, either of which may be present)
XmlScanner	doBootstrap()
protected boolean	ensureLoaded(int minimum)
protected Location	getLocation()
protected int	getNext()
protected int	getNextAfterWs(boolean reqWs)
protected boolean	hasXmlDeclaration()
protected void	loadMore()
protected byte	nextByte()
protected int	nextMultiByte()
protected void	pushback()
protected int	readQuotedValue(char[] kw, int quoteChar)
private void	reportEBCDIC()
private void	reportWeirdUCS4(String type)
protected void	skipMbLF(int lf)
protected int	skipMbWs()
protected void	skipSbLF(byte lfByte)
protected int	skipSbWs()
private void	verifyEncoding(String id, int bpc)
private void	verifyEncoding(String id, int bpc, boolean bigEndian)
protected String	verifyXmlEncoding(String enc)

Methods inherited from class com.fasterxml.aalto.in.InputBootstrapper

readXmlDeclaration, reportEof, reportNull, reportPseudoAttrProblem, reportUnexpectedChar, reportXmlProblem

Methods inherited from class java.lang.Object

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

Field Details

BYTE_NULL

private static final byte BYTE_NULL

See Also:

• Constant Field Values

BYTE_CR

private static final byte BYTE_CR

See Also:

• Constant Field Values

BYTE_LF

private static final byte BYTE_LF

See Also:

• Constant Field Values

_in

protected final InputStream _in

Underlying InputStream to use for reading content.

_inputBuffer

protected final byte[] _inputBuffer

_inputPtr

private int _inputPtr

_inputLen

private int _inputLen

mBigEndian

protected boolean mBigEndian

mBytesPerChar

protected int mBytesPerChar

mHadBOM

protected boolean mHadBOM

mByteSizeFound

protected boolean mByteSizeFound

Constructor Details

ByteSourceBootstrapper

private ByteSourceBootstrapper(ReaderConfig cfg,
 InputStream in)

ByteSourceBootstrapper

private ByteSourceBootstrapper(ReaderConfig cfg,
 byte[] inputBuffer,
 int inputStart,
 int inputLen)

Method Details

construct

public static ByteSourceBootstrapper construct(ReaderConfig cfg,
 InputStream in)
                                        throws XMLStreamException

Throws:

XMLStreamException

construct

public static ByteSourceBootstrapper construct(ReaderConfig cfg,
 byte[] inputBuffer,
 int inputStart,
 int inputLen)
                                        throws XMLStreamException

Throws:

XMLStreamException

bootstrap

public final XmlScanner bootstrap()
                           throws XMLStreamException

Description copied from class: InputBootstrapper

Main bootstrapping method, which will try to open the underlying input source, check its encoding, read xml declaration if there is one, and finally create a scanner for actual parsing.

Specified by:

bootstrap in class InputBootstrapper

Throws:

XMLStreamException

doBootstrap

public XmlScanner doBootstrap()
                       throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

determineStreamEncoding

private void determineStreamEncoding()
                              throws IOException

Method called to figure out what the physical encoding of the file appears to be (in case it can be determined from BOM, or xml declaration, either of which may be present)

Throws:

IOException

hasXmlDeclaration

protected boolean hasXmlDeclaration()
                             throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

verifyXmlEncoding

protected String verifyXmlEncoding(String enc)
                            throws XMLStreamException

Returns:

Normalized encoding name

Throws:

XMLStreamException

ensureLoaded

protected boolean ensureLoaded(int minimum)
                        throws IOException

Throws:

IOException

loadMore

protected void loadMore()
                 throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

pushback

protected void pushback()

Specified by:

pushback in class InputBootstrapper

getNext

protected int getNext()
               throws IOException,
XMLStreamException

Specified by:

getNext in class InputBootstrapper

Throws:

IOException

XMLStreamException

getNextAfterWs

protected int getNextAfterWs(boolean reqWs)
                      throws IOException,
XMLStreamException

Specified by:

getNextAfterWs in class InputBootstrapper

Throws:

IOException

XMLStreamException

checkKeyword

protected int checkKeyword(String exp)
                    throws IOException,
XMLStreamException

Specified by:

checkKeyword in class InputBootstrapper

Returns:

First character that does not match expected, if any; CHAR_NULL if match succeeded

Throws:

IOException

XMLStreamException

readQuotedValue

protected int readQuotedValue(char[] kw,
 int quoteChar)
                       throws IOException,
XMLStreamException

Specified by:

readQuotedValue in class InputBootstrapper

Throws:

IOException

XMLStreamException

getLocation

protected Location getLocation()

Specified by:

getLocation in class InputBootstrapper

nextByte

protected byte nextByte()
                 throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

skipSbWs

protected int skipSbWs()
                throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

skipSbLF

protected void skipSbLF(byte lfByte)
                 throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

checkSbKeyword

protected int checkSbKeyword(String expected)
                      throws IOException,
XMLStreamException

Returns:

First character that does not match expected, if any; CHAR_NULL if match succeeded

Throws:

IOException

XMLStreamException

nextMultiByte

protected int nextMultiByte()
                     throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

skipMbWs

protected int skipMbWs()
                throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

skipMbLF

protected void skipMbLF(int lf)
                 throws IOException,
XMLStreamException

Throws:

IOException

XMLStreamException

checkMbKeyword

protected int checkMbKeyword(String expected)
                      throws IOException,
XMLStreamException

Returns:

First character that does not match expected, if any; CHAR_NULL if match succeeded

Throws:

IOException

XMLStreamException

verifyEncoding

private void verifyEncoding(String id,
 int bpc)
                     throws XMLStreamException

Throws:

XMLStreamException

verifyEncoding

private void verifyEncoding(String id,
 int bpc,
 boolean bigEndian)
                     throws XMLStreamException

Throws:

XMLStreamException

reportWeirdUCS4

private void reportWeirdUCS4(String type)
                      throws IOException

Throws:

IOException

reportEBCDIC

private void reportEBCDIC()
                   throws IOException

Throws:

IOException