org.apache.tika.language
Class LanguageProfile

java.lang.Object
  org.apache.tika.language.LanguageProfile

public class LanguageProfile
extends java.lang.Object

Language profile based on ngram counts.

Since:

Apache Tika 0.5

Field Summary

static int

DEFAULT_NGRAM_LENGTH

Constructor Summary

LanguageProfile()

LanguageProfile(int length)

LanguageProfile(java.lang.String content)

LanguageProfile(java.lang.String content, int length)

Method Summary

void	add(java.lang.String ngram) Adds a single occurrence of the given ngram to this profile.
void	add(java.lang.String ngram, long count) Adds multiple occurrences of the given ngram to this profile.
double	distance(LanguageProfile that) Calculates the geometric distance between this and the given other language profile.
long	getCount()
long	getCount(java.lang.String ngram)
java.lang.String	toString()

Methods inherited from class java.lang.Object

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

Field Detail

DEFAULT_NGRAM_LENGTH

public static final int DEFAULT_NGRAM_LENGTH

See Also:

Constant Field Values

Constructor Detail

LanguageProfile

public LanguageProfile(int length)

LanguageProfile

public LanguageProfile()

LanguageProfile

public LanguageProfile(java.lang.String content,
                       int length)

LanguageProfile

public LanguageProfile(java.lang.String content)

Method Detail

getCount

public long getCount()

getCount

public long getCount(java.lang.String ngram)

add

public void add(java.lang.String ngram)

Adds a single occurrence of the given ngram to this profile.

Parameters:

ngram - the ngram

add

public void add(java.lang.String ngram,
                long count)

Adds multiple occurrences of the given ngram to this profile.

Parameters:

ngram - the ngram

count - number of occurrences to add

distance

public double distance(LanguageProfile that)

Calculates the geometric distance between this and the given other language profile.

Parameters:

that - the other language profile

Returns:

distance between the profiles

toString

public java.lang.String toString()

Overrides:

toString in class java.lang.Object