Package nl.siegmann.epublib.search

Class SearchIndex

java.lang.Object

nl.siegmann.epublib.search.SearchIndex

public class SearchIndex
extends java.lang.Object

A searchindex for searching through a book.

Nested Class Summary

Nested Classes

Modifier and Type	Class	Description
private static class	SearchIndex.ResourceSearchIndex

Field Summary

Fields

Modifier and Type	Field	Description
private Book	book
private static org.slf4j.Logger	log
static int	NBSP
private static java.util.regex.Pattern	REMOVE_ACCENT_PATTERN
private java.util.List<SearchIndex.ResourceSearchIndex>	resourceSearchIndexes
private static java.util.regex.Pattern	WHITESPACE_PATTERN

Constructor Summary

Constructors

Constructor	Description
SearchIndex()
SearchIndex(Book book)

Method Summary

Modifier and Type	Method	Description
static java.lang.String	cleanText(java.lang.String text)	Turns html encoded text into plain text.
private static SearchIndex.ResourceSearchIndex	createResourceSearchIndex(Resource resource)
private static java.util.List<SearchIndex.ResourceSearchIndex>	createSearchIndex(Book book)
SearchResults	doSearch(java.lang.String searchTerm)
protected static java.util.List<SearchResult>	doSearch(java.lang.String searchTerm, java.lang.String content, Resource resource)
private static java.util.List<SearchResult>	doSearch(java.lang.String searchTerm, SearchIndex.ResourceSearchIndex resourceSearchIndex)
Book	getBook()
static java.lang.String	getSearchContent(java.io.Reader content)
static java.lang.String	getSearchContent(Resource resource)
void	initBook(Book book)
private static boolean	isHtmlWhitespace(int c)	Checks whether the given character is a java whitespace or a non-breaking-space (&nbsp;).
static java.lang.String	unicodeTrim(java.lang.String text)

Methods inherited from class java.lang.Object

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

Field Detail

log

private static final org.slf4j.Logger log

NBSP

public static int NBSP

WHITESPACE_PATTERN

private static final java.util.regex.Pattern WHITESPACE_PATTERN

REMOVE_ACCENT_PATTERN

private static final java.util.regex.Pattern REMOVE_ACCENT_PATTERN

resourceSearchIndexes

private java.util.List<SearchIndex.ResourceSearchIndex> resourceSearchIndexes

book

private Book book

Constructor Detail

SearchIndex

public SearchIndex()

SearchIndex

public SearchIndex(Book book)

Method Detail

getBook

public Book getBook()

createResourceSearchIndex

private static SearchIndex.ResourceSearchIndex createResourceSearchIndex(Resource resource)

initBook

public void initBook(Book book)

createSearchIndex

private static java.util.List<SearchIndex.ResourceSearchIndex> createSearchIndex(Book book)

doSearch

public SearchResults doSearch(java.lang.String searchTerm)

getSearchContent

public static java.lang.String getSearchContent(Resource resource)

getSearchContent

public static java.lang.String getSearchContent(java.io.Reader content)

isHtmlWhitespace

private static boolean isHtmlWhitespace(int c)

Checks whether the given character is a java whitespace or a non-breaking-space ( ).

Parameters:

c -

Returns:

whether the given character is a java whitespace or a non-breaking-space ( ).

unicodeTrim

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

cleanText

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

Turns html encoded text into plain text. Replaces ö type of expressions into ¨
Removes accents
Replaces multiple whitespaces with a single space.

Parameters:

text -

Returns:

html encoded text turned into plain text.

doSearch

private static java.util.List<SearchResult> doSearch(java.lang.String searchTerm,
                                                     SearchIndex.ResourceSearchIndex resourceSearchIndex)

doSearch

protected static java.util.List<SearchResult> doSearch(java.lang.String searchTerm,
                                                       java.lang.String content,
                                                       Resource resource)