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java.lang.Objectjava.io.InputStream
java.io.FilterInputStream
java.io.DataInputStream
org.apache.nutch.io.DataInputBuffer
A reusable DataInput
implementation that reads from an in-memory
buffer.
This saves memory over creating a new DataInputStream and ByteArrayInputStream each time data is read.
Typical usage is something like the following:
DataInputBuffer buffer = new DataInputBuffer(); while (... loop condition ...) { byte[] data = ... get data ...; int dataLength = ... get data length ...; buffer.reset(data, dataLength); ... read buffer using DataInput methods ... }
Field Summary |
Fields inherited from class java.io.FilterInputStream |
in |
Constructor Summary | |
DataInputBuffer()
Constructs a new empty buffer. |
Method Summary | |
int |
getPosition()
Returns the current position in the input. |
void |
reset(byte[] input,
int length)
Resets the data that the buffer reads. |
void |
reset(byte[] input,
int start,
int length)
Resets the data that the buffer reads. |
Methods inherited from class java.io.DataInputStream |
read, read, readBoolean, readByte, readChar, readDouble, readFloat, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedShort, readUTF, readUTF, skipBytes |
Methods inherited from class java.io.FilterInputStream |
available, close, mark, markSupported, read, reset, skip |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
public DataInputBuffer()
Method Detail |
public void reset(byte[] input, int length)
public void reset(byte[] input, int start, int length)
public int getPosition()
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