net.sf.mmapps.commons.util
Class KeywordUtil

java.lang.Object
  net.sf.mmapps.commons.util.KeywordUtil

public class KeywordUtil
extends java.lang.Object

Constructor Summary

KeywordUtil()

Method Summary

static java.lang.String	detectLanguage(java.lang.String text)
static java.lang.String[]	getCommonWords(java.lang.String text)
static java.util.List<java.lang.String>	getKeywords(java.util.List<java.lang.String> textStrings) Get keywords from the strings.
static java.util.List<java.lang.String>	getKeywords(java.util.List<java.lang.String> textStrings, int max) Get keywords from the strings.
static java.util.List<java.lang.String>	getKeywords(java.util.List<java.lang.String> textStrings, java.lang.String language) Get keywords from the strings
static java.util.List<java.lang.String>	getKeywords(java.util.List<java.lang.String> textStrings, java.lang.String[] ignoreWords, int max) Get keywords from the strings
static java.util.List<java.lang.String>	getKeywords(java.util.List<java.lang.String> textStrings, java.lang.String language, int max) Get keywords from the strings
static java.util.List<java.lang.String>	getKeywords(java.lang.String text) Get keywords from a text.
static java.util.List<java.lang.String>	getKeywords(java.lang.String text, int max) Get keywords from a text.
static java.util.List<java.lang.String>	getKeywords(java.lang.String text, java.lang.String language) Get keywords from a text
static java.util.List<java.lang.String>	getKeywords(java.lang.String text, java.lang.String[] ignoreWords, int max) Get keywords from a text
static java.util.List<java.lang.String>	getKeywords(java.lang.String text, java.lang.String language, int max) Get keywords from a text
static java.lang.String	keywordsToString(java.util.List<java.lang.String> keywords) Convert list of keywords to comma-separated string

Methods inherited from class java.lang.Object

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

Constructor Detail

KeywordUtil

public KeywordUtil()

Method Detail

keywordsToString

public static java.lang.String keywordsToString(java.util.List<java.lang.String> keywords)

Convert list of keywords to comma-separated string

Parameters:

keywords - - list of keywords

Returns:

string of keywords

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.lang.String text)

Get keywords from a text. This methods tries to detect which language it is in. When the language is not detected then all words are eligable to be a keyword.

Parameters:

text - - full text from which the keywords should be extracted

Returns:

keywords found in text

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.lang.String text,
                                                           java.lang.String language)

Get keywords from a text

Parameters:

text - - full text from which the keywords should be extracted

language - - When the language is not recognized then all words are eligable to be a keyword.

Returns:

keywords found in text

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.lang.String text,
                                                           java.lang.String language,
                                                           int max)

Get keywords from a text

Parameters:

text - - full text from which the keywords should be extracted

language - - When the language is not recognized then all words are eligable to be a keyword.

max - - maximum number of keywords returned

Returns:

keywords found in text

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.lang.String text,
                                                           int max)

Get keywords from a text. This methods tries to detect which language it is in. When the language is not detected then all words are eligable to be a keyword.

Parameters:

text - - full text from which the keywords should be extracted

max - - maximum number of keywords returned

Returns:

keywords found in text

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.lang.String text,
                                                           java.lang.String[] ignoreWords,
                                                           int max)

Get keywords from a text

Parameters:

text - - full text from which the keywords should be extracted

ignoreWords - - ignore the words in this array

max - - maximum number of keywords returned

Returns:

keywords found in text

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.util.List<java.lang.String> textStrings)

Get keywords from the strings. This methods tries to detect which language it is in. When the language is not detected then all words are eligable to be a keyword.

Parameters:

textStrings - - strings from which the keywords should be extracted

Returns:

keywords found in strings

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.util.List<java.lang.String> textStrings,
                                                           java.lang.String language)

Get keywords from the strings

Parameters:

textStrings - - strings from which the keywords should be extracted

language - - When the language is not recognized then all words are eligable to be a keyword.

Returns:

keywords found in strings

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.util.List<java.lang.String> textStrings,
                                                           java.lang.String language,
                                                           int max)

Get keywords from the strings

Parameters:

textStrings - - strings from which the keywords should be extracted

language - - When the language is not recognized then all words are eligable to be a keyword.

max - - maximum number of keywords returned

Returns:

keywords found in strings

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.util.List<java.lang.String> textStrings,
                                                           int max)

Get keywords from the strings. This methods tries to detect which language it is in. When the language is not detected then all words are eligable to be a keyword.

Parameters:

textStrings - - strings from which the keywords should be extracted

max - - maximum number of keywords returned

Returns:

keywords found in strings

getKeywords

public static java.util.List<java.lang.String> getKeywords(java.util.List<java.lang.String> textStrings,
                                                           java.lang.String[] ignoreWords,
                                                           int max)

Get keywords from the strings

Parameters:

textStrings - - strings from which the keywords should be extracted

ignoreWords - - ignore the words in this array

max - - maximum number of keywords returned

Returns:

keywords found in strings

getCommonWords

public static java.lang.String[] getCommonWords(java.lang.String text)

detectLanguage

public static java.lang.String detectLanguage(java.lang.String text)