Class YAMLParser.ReadConstrainedReader

java.lang.Object

java.io.Reader

com.fasterxml.jackson.dataformat.yaml.YAMLParser.ReadConstrainedReader

All Implemented Interfaces:

Closeable, AutoCloseable, Readable

Enclosing class:

YAMLParser

private static class YAMLParser.ReadConstrainedReader
extends Reader

Reader decorator that enforces StreamReadConstraints.getMaxDocumentLength() by counting characters read through it. Needed since actual YAML decoding is done by SnakeYAML, reading content directly from a Reader, so the parser itself does not see input as it is consumed.

Only installed when constraints define a maximum document length (see StreamReadConstraints.hasMaxDocumentLength()).

Since:

2.18.11

Field Summary

Fields

Modifier and Type	Field	Description
private long	_charsRead	Total number of characters read (or skipped) so far.
private final com.fasterxml.jackson.core.StreamReadConstraints	_constraints
private final Reader	_delegate

Fields inherited from class Reader

lock

Constructor Summary

Constructors

Constructor	Description
ReadConstrainedReader(Reader delegate, com.fasterxml.jackson.core.StreamReadConstraints constraints)

Method Summary

Modifier and Type	Method	Description
private void	_count(long n)
void	close()
int	read()
int	read(char[] cbuf, int off, int len)
boolean	ready()
long	skip(long n)

Methods inherited from class Reader

mark, markSupported, nullReader, of, read, read, readAllAsString, readAllLines, reset, transferTo

Methods inherited from class Object

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

Field Details

_delegate

private final Reader _delegate

_constraints

private final com.fasterxml.jackson.core.StreamReadConstraints _constraints

_charsRead

private long _charsRead

Total number of characters read (or skipped) so far.

Constructor Details

ReadConstrainedReader

public ReadConstrainedReader(Reader delegate,
 com.fasterxml.jackson.core.StreamReadConstraints constraints)

Method Details

_count

private void _count(long n)
             throws com.fasterxml.jackson.core.exc.StreamConstraintsException

Throws:

com.fasterxml.jackson.core.exc.StreamConstraintsException

read

public int read()
         throws IOException

Overrides:

read in class Reader

Throws:

IOException

read

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

Specified by:

read in class Reader

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class Reader

Throws:

IOException

ready

public boolean ready()
              throws IOException

Overrides:

ready in class Reader

Throws:

IOException

close

public void close()
           throws IOException

Specified by:

close in interface AutoCloseable

Specified by:

close in interface Closeable

Specified by:

close in class Reader

Throws:

IOException