Package org.apache.camel.jsonpath

Class JsonStream

java.lang.Object

java.io.InputStream

java.io.FilterInputStream

org.apache.camel.jsonpath.JsonStream

All Implemented Interfaces:

Closeable, AutoCloseable

public class JsonStream
extends FilterInputStream

Special stream for JSON streams. Determines from the first 4 bytes the JSON encoding according to JSON specification RFC-4627 or newer. In addition BOMs are taken into account.

This class is not thread safe.

Field Summary

Fields inherited from class java.io.FilterInputStream

in

Constructor Summary

Constructors

Constructor	Description
JsonStream(InputStream in)	Constructor.

Method Summary

Modifier and Type	Method	Description
Charset	getEncoding()
boolean	markSupported()
int	read()
int	read(byte[] b)
int	read(byte[] b, int off, int len)
void	reset()
long	skip(long n)

Methods inherited from class java.io.FilterInputStream

available, close, mark

Methods inherited from class java.io.InputStream

nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo

Methods inherited from class java.lang.Object

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

Constructor Details

JsonStream

public JsonStream(InputStream in)
           throws IOException

Constructor. Determines the encoding during the instantiation according to JSON specification RFC-4627 or newer. In addition BOMs are taken into account.

Parameters:

in - input stream must contain a JSON content

Throws:

IOException - if an error occurs during the determination of the encoding

CharConversionException - if the UCS4 endianess 2143 or 3412 is used

IllegalArgumentException - if the input stream is null

Method Details

getEncoding

public Charset getEncoding()

read

public int read()
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

read

public int read(byte[] b,
 int off,
 int len)
         throws IOException

Overrides:

read in class FilterInputStream

Throws:

IOException

skip

public long skip(long n)
          throws IOException

Overrides:

skip in class FilterInputStream

Throws:

IOException

reset

public void reset()
           throws IOException

Overrides:

reset in class FilterInputStream

Throws:

IOException

markSupported

public boolean markSupported()

Overrides:

markSupported in class FilterInputStream