Package org.oscim.tiling.source

Class PbfDecoder

java.lang.Object

org.oscim.tiling.source.PbfDecoder

All Implemented Interfaces:

ITileDecoder

Direct Known Subclasses:

TileDecoder, TileDecoder

public abstract class PbfDecoder
extends Object
implements ITileDecoder

Field Summary

Fields

Modifier and Type	Field	Description
protected byte[]	buffer
protected int	bufferFill
protected int	bufferPos
protected static final boolean	debug
protected static final org.oscim.tiling.source.PbfDecoder.ProtobufException	INVALID_PACKED_SIZE
protected static final org.oscim.tiling.source.PbfDecoder.ProtobufException	INVALID_VARINT

Constructor Summary

Constructors

Constructor	Description
PbfDecoder()

Method Summary

Modifier and Type	Method	Description
protected boolean	decodeBool()
protected double	decodeDouble()
protected float	decodeFloat()
protected int	decodeInterleavedPoints(GeometryBuffer geom, float scale)
protected int	decodeInterleavedPoints3D(float[] coords, float scale)
protected String	decodeString()
protected short[]	decodeUnsignedVarintArray(short[] array)	fill short array from packed uint32.
protected int	decodeVarint32()
protected int	decodeVarint32Filled()
protected long	decodeVarint64()
void	decodeVarintArray(int num, int[] array)
protected static int	deZigZag(int val)
protected void	error(String msg)
int	fillBuffer(int size)
boolean	hasData()
int	position()
protected static int	readUnsignedInt(InputStream is, byte[] buf)
void	setInputStream(InputStream is)

Methods inherited from class java.lang.Object

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

Methods inherited from interface org.oscim.tiling.source.ITileDecoder

decode

Field Details

debug

protected static final boolean debug

See Also:

• Constant Field Values

INVALID_VARINT

protected static final org.oscim.tiling.source.PbfDecoder.ProtobufException INVALID_VARINT

INVALID_PACKED_SIZE

protected static final org.oscim.tiling.source.PbfDecoder.ProtobufException INVALID_PACKED_SIZE

buffer

protected byte[] buffer

bufferPos

protected int bufferPos

bufferFill

protected int bufferFill

Constructor Details

PbfDecoder

public PbfDecoder()

Method Details

error

protected void error(String msg)
              throws IOException

Throws:

IOException

setInputStream

public void setInputStream(InputStream is)

decodeVarint32

protected int decodeVarint32()
                      throws IOException

Throws:

IOException

decodeVarint64

protected long decodeVarint64()
                       throws IOException

Throws:

IOException

decodeString

protected String decodeString()
                       throws IOException

Throws:

IOException

decodeFloat

protected float decodeFloat()
                     throws IOException

Throws:

IOException

decodeDouble

protected double decodeDouble()
                       throws IOException

Throws:

IOException

decodeBool

protected boolean decodeBool()
                      throws IOException

Throws:

IOException

decodeInterleavedPoints

protected int decodeInterleavedPoints(GeometryBuffer geom,
 float scale)
                               throws IOException

Throws:

IOException

decodeInterleavedPoints3D

protected int decodeInterleavedPoints3D(float[] coords,
 float scale)
                                 throws IOException

Throws:

IOException

deZigZag

protected static int deZigZag(int val)

decodeVarintArray

public void decodeVarintArray(int num,
 int[] array)
                       throws IOException

Throws:

IOException

decodeUnsignedVarintArray

protected short[] decodeUnsignedVarintArray(short[] array)
                                     throws IOException

fill short array from packed uint32. Array values must be positive as the end will be marked by -1 if the resulting array is larger than the input!

Throws:

IOException

decodeVarint32Filled

protected int decodeVarint32Filled()
                            throws IOException

Throws:

IOException

hasData

public boolean hasData()
                throws IOException

Throws:

IOException

position

public int position()

fillBuffer

public int fillBuffer(int size)
               throws IOException

Throws:

IOException

readUnsignedInt

protected static int readUnsignedInt(InputStream is,
 byte[] buf)
                              throws IOException

Throws:

IOException