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java.lang.Objectorg.apache.commons.codec.language.ColognePhonetic
public class ColognePhonetic
Encodes a string into a Cologne Phonetic value.
Implements the Kölner Phonetik (Cologne Phonetic) algorithm issued by Hans Joachim Postel in 1969.
The Kölner Phonetik is a phonetic algorithm which is optimized for the German language. It is related to the well-known soundex algorithm.
| Letter | Context | Code |
|---|---|---|
| A, E, I, J, O, U, Y | 0 | |
| H | - | |
| B | 1 | |
| P | not before H | |
| D, T | not before C, S, Z | 2 |
| F, V, W | 3 | |
| P | before H | |
| G, K, Q | 4 | |
| C | at onset before A, H, K, L, O, Q, R, U, X | |
| before A, H, K, O, Q, U, X except after S, Z | ||
| X | not after C, K, Q | 48 |
| L | 5 | |
| M, N | 6 | |
| R | 7 | |
| S, Z | 8 | |
| C | after S, Z | |
| at onset except before A, H, K, L, O, Q, R, U, X | ||
| not before A, H, K, O, Q, U, X | ||
| D, T | before C, S, Z | |
| X | after C, K, Q |
(Source: Wikipedia (de): Kölner Phonetik -- Buchstabencodes)
"Müller-Lüdenscheidt" => "MULLERLUDENSCHEIDT" => "6005507500206880022"
"6005507500206880022" => "6050750206802""6050750206802" => "65752682"
| Constructor Summary | |
|---|---|
ColognePhonetic()
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| Method Summary | |
|---|---|
String |
colognePhonetic(String text)
Implements the Kölner Phonetik algorithm. |
Object |
encode(Object object)
Encodes an "Object" and returns the encoded content as an Object. |
String |
encode(String text)
Encodes a String and returns a String. |
boolean |
isEncodeEqual(String text1,
String text2)
|
| Methods inherited from class java.lang.Object |
|---|
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
| Constructor Detail |
|---|
public ColognePhonetic()
| Method Detail |
|---|
public String colognePhonetic(String text)
Implements the Kölner Phonetik algorithm.
In contrast to the initial description of the algorithm, this implementation does the encoding in one pass.
text -
public Object encode(Object object)
throws EncoderException
Encoderbyte[]
or Strings depending on the implementation used.
encode in interface Encoderobject - An object to encode
EncoderException - an encoder exception is
thrown if the encoder experiences a failure
condition during the encoding process.public String encode(String text)
StringEncoder
encode in interface StringEncodertext - the String to encode
public boolean isEncodeEqual(String text1,
String text2)
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