Parametrize search field

This commit is contained in:
coolneng 2021-01-11 22:55:27 +01:00
parent 3b21bd113e
commit f1519b55c2
Signed by: coolneng
GPG Key ID: 9893DA236405AF57
1 changed files with 33 additions and 8 deletions

View File

@ -3,6 +3,8 @@ package org.RI.P2;
import java.io.IOException;
import java.nio.file.Paths;
import java.text.ParseException;
import java.util.ArrayList;
import java.util.List;
import javax.swing.table.DefaultTableModel;
@ -22,10 +24,12 @@ public class Searcher extends javax.swing.JFrame {
IndexSearcher searcher;
String dataPath;
String indexPath;
String field;
Searcher(String dataPath, String indexPath) throws IOException {
Searcher(String dataPath, String indexPath, String field) throws IOException {
this.dataPath = dataPath;
this.indexPath = indexPath;
this.field = field;
searcher = createIndexSearcher();
initComponents();
}
@ -86,7 +90,7 @@ public class Searcher extends javax.swing.JFrame {
private void jButton1ActionPerformed(java.awt.event.ActionEvent evt)
throws IOException, org.apache.lucene.queryparser.classic.ParseException {
searchFiles(jTextField1.getText());
searchFiles(jTextField1.getText(), field);
}
IndexSearcher createIndexSearcher() throws IOException {
@ -96,9 +100,9 @@ public class Searcher extends javax.swing.JFrame {
return searcher;
}
TopDocs queryIndex(String queryString, int resultNumber)
TopDocs queryIndex(String queryString, String field, int resultNumber)
throws IOException, org.apache.lucene.queryparser.classic.ParseException {
Query query = new QueryParser("abstract", new StandardAnalyzer()).parse(queryString);
Query query = new QueryParser(field, new StandardAnalyzer()).parse(queryString);
TopDocs topDocs = searcher.search(query, resultNumber);
return topDocs;
}
@ -112,12 +116,31 @@ public class Searcher extends javax.swing.JFrame {
}
}
void searchFiles(String query) throws IOException, org.apache.lucene.queryparser.classic.ParseException {
void searchFiles(String query, String field)
throws IOException, org.apache.lucene.queryparser.classic.ParseException {
int resultNumber = 20;
TopDocs results = queryIndex(query, resultNumber);
TopDocs results = queryIndex(query, field, resultNumber);
showResults(results);
}
private static void validateField(String fieldContent) {
List<String> availableOptions = new ArrayList<>();
availableOptions.add("title");
availableOptions.add("authors");
availableOptions.add("institutions");
availableOptions.add("abstract");
availableOptions.add("emails");
if (!availableOptions.contains(fieldContent)) {
System.out.println("Wrong field name. Available options:");
System.out.println("authors");
System.out.println("title");
System.out.println("abstract");
System.out.println("institutions");
System.out.println("emails");
System.exit(1);
}
}
private static void usage() {
System.out.println("Usage: Searcher <directory>");
System.exit(1);
@ -125,11 +148,13 @@ public class Searcher extends javax.swing.JFrame {
public static void main(String[] args)
throws IOException, ParseException, org.apache.lucene.queryparser.classic.ParseException {
if (args.length != 1) {
if (args.length != 2) {
usage();
}
String dataDirectory = args[0];
String indexDirectory = ".index";
String searchField = args[1];
validateField(searchField);
Indexer indexer = new Indexer(dataDirectory, indexDirectory);
indexer.populateIndex();
@ -154,7 +179,7 @@ public class Searcher extends javax.swing.JFrame {
java.awt.EventQueue.invokeLater(new Runnable() {
public void run() {
try {
new Searcher(args[0], indexDirectory).setVisible(true);
new Searcher(dataDirectory, indexDirectory, searchField).setVisible(true);
} catch (IOException exp) {
System.err.println(exp);
}