Class LineJavaCoreInputBuffer

java.lang.Object

com.ibm.dtfj.javacore.parser.framework.input.OffsetBasedJavaCoreInputBuffer

com.ibm.dtfj.javacore.parser.framework.input.LineJavaCoreInputBuffer

All Implemented Interfaces:

IInputBuffer

public class LineJavaCoreInputBuffer
extends OffsetBasedJavaCoreInputBuffer

Input buffer for javacore scanner. Consumes a subsection of characters from the buffer

Field Summary

Fields declared in class OffsetBasedJavaCoreInputBuffer

DEFAULT_LENGTH, fBuffer, fOffset, START_OFFSET

Modifier and Type	Field	Description
protected static final int	DEFAULT_LENGTH
protected StringBuffer	fBuffer
protected int	fOffset
protected static final int	START_OFFSET

Constructor Summary

Constructors

Constructor	Description
LineJavaCoreInputBuffer(Reader reader)

Method Summary

Modifier and Type	Method	Description
void	close()	Closes the java.io.Reader or input stream associated with this buffered reader.
int	consume(int length)	Consumes elements from the current line.
boolean	nextLine()	Reads the next line if the current buffer is empty.

Methods declared in class OffsetBasedJavaCoreInputBuffer

charAt, endReached, isStreamEnd, length, markStreamEnd, updateOffset

Modifier and Type	Method	Description
char	charAt(int i)	Retrieves a character at a given position.
boolean	endReached()
protected boolean	isStreamEnd()
int	length()	NOTE That the length of the buffer may vary during character consumption, so it cannot be assumed to be fixed all the time.
protected void	markStreamEnd(boolean mark)
protected void	updateOffset(int length)

Methods declared in class Object

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

Constructor Details

LineJavaCoreInputBuffer

public LineJavaCoreInputBuffer(Reader reader)
                        throws IOException

Throws:

IOException

Method Details

close

public void close()
           throws IOException

Description copied from class: OffsetBasedJavaCoreInputBuffer

Closes the java.io.Reader or input stream associated with this buffered reader.

Specified by:

close in interface IInputBuffer

Specified by:

close in class OffsetBasedJavaCoreInputBuffer

Throws:

IOException - if error encountered while closing.

See Also:

• IInputBuffer.close()

consume

public int consume(int length)
            throws IOException

Consumes elements from the current line.

Parameters:

amount - of characters to consume.

Returns:

return the offset value of the consumed portion. Note that this does not return the new offset after consumption but the offset of the section being consumed.

Throws:

IOException - if error occurs while refilling the buffer.

IndexOutOfBoundsException - if length is outside buffer range

See Also:

• IInputBuffer.consume(int)

nextLine

public boolean nextLine()
                 throws IOException

Description copied from interface: IInputBuffer

Reads the next line if the current buffer is empty. Returns true if a new line read, false otherwise.

Throws:

IOException