org.everrest.core.impl.header

Class Ranges.Range

java.lang.Object

org.everrest.core.impl.header.Ranges.Range

Enclosing class:

Ranges

public static class Ranges.Range
extends Object

Represents one range from provided by client in HTTP header 'Range'.

Method Summary

Modifier and Type	Method and Description
long	getEnd() Get end of range.
long	getStart() Get start of range.
boolean	validate(long length) Normalize and validate range.

Methods inherited from class java.lang.Object

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

Method Detail

getStart

public long getStart()

Get start of range. This method may return -1 if start of range was not provided in HTTP header, e.g. range was specified as '-100' (100 bytes from the end of content). Range may be normalized by using method validate(long).

Returns:

end of range

getEnd

public long getEnd()

Get end of range. This method may return -1 if end of range was not provided in HTTP header, e.g. range was specified as '100-' (from byte 100 end to the end of content). Range may be normalized by using method validate(long).

Returns:

end of range

validate

public boolean validate(long length)

Normalize and validate range. The calling this method should have the next effect:

• If start of range is -1 (range without start position) start position should be set to length - (-1 * start), end will be set to length - 1
• If end of range is -1 (range without end position) end will be set to length - 1
• If end of range is greater then length will be set to length - 1

Parameters:

length - total length of content

Returns:

true if range is valid and false otherwise