org.jwat.common

Class Scheme

java.lang.Object

org.jwat.common.Scheme

public class Scheme
extends java.lang.Object

Simple class to validate a scheme in the beginning of a byte array.

Author:

nicl

Field Summary

Fields

Modifier and Type	Field and Description
protected static int[]	bf Bit field used to identify valid first/follow characters.

Constructor Summary

Constructors

Modifier	Constructor and Description
protected	Scheme() Disable instantiation.

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getScheme(java.lang.String uri) Returns a scheme if the given string has a valid scheme at the beginning of null if no scheme was found.
static boolean	startsWithScheme(byte[] bytes) Returns true if the start of the array is a valid scheme.

Methods inherited from class java.lang.Object

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

Field Detail

bf

protected static int[] bf

Bit field used to identify valid first/follow characters.

Constructor Detail

Scheme

protected Scheme()

Disable instantiation.

Method Detail

startsWithScheme

public static boolean startsWithScheme(byte[] bytes)

Returns true if the start of the array is a valid scheme.

Parameters:

bytes - byte array in which to look for a valid scheme at the beginning

Returns:

true if the start of the array is a valid scheme

getScheme

public static java.lang.String getScheme(java.lang.String uri)

Returns a scheme if the given string has a valid scheme at the beginning of null if no scheme was found.

Parameters:

uri - a possible URI string

Returns:

a scheme if one is found or null