Search Engine

🔍The implementation of a search engine that is able to quickly find the specified word among pdf-files, and rank the results by the number of occurrences.

Description of classes and interfaces:

Class	Description
Main	It contains a template for using the search engine.
PageEntry	Class, describes one element of the result of one search. It consists of the name of the pdf file, the page number and the number of times this word was found on it.
SearchEngine	An interface describing the search engine. All that a search engine should be able to do is respond to a query from a word with a list of elements of the search result.
Engine	Search engine implementation

Performing a search:

To specify a search, you need to replace the values in the application.properties file:

DIR=src/main/resources/docs
SEARCH-WORD=searchWord

DIR - directory with files
SEARCH-WORD - the word we want to find

Dependencies:

To work with PDF, the com.itextpdf:itext7-core:7.1.7 library was used, connected via pom.xml:

<dependency>
    <groupId>com.itextpdf</groupId>
    <artifactId>itext7-core</artifactId>
    <version>7.1.7</version>
    <type>pom</type>
</dependency>