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| 1 | +/* |
| 2 | + * Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license |
| 3 | + * Click nbfs://nbhost/SystemFileSystem/Templates/Classes/Class.java to edit this template |
| 4 | + */ |
| 5 | +package com.mycompany.mavenproject2; |
| 6 | + |
| 7 | +import jakarta.ws.rs.GET; |
| 8 | +import jakarta.ws.rs.Path; |
| 9 | +import jakarta.ws.rs.Produces; |
| 10 | +import jakarta.ws.rs.core.Context; |
| 11 | +import jakarta.ws.rs.core.UriInfo; |
| 12 | +import java.sql.Connection; |
| 13 | +import java.sql.DriverManager; |
| 14 | +import java.sql.ResultSet; |
| 15 | +import java.sql.SQLException; |
| 16 | +import java.sql.Statement; |
| 17 | + |
| 18 | +@Path("helloworld") |
| 19 | +public class HelloWorld { |
| 20 | + |
| 21 | + private static final String JDBC_URL = "jdbc:mysql://localhost:3306/prenotazioni"; |
| 22 | + private static final String USERNAME = "root"; |
| 23 | + private static final String PASSWORD = ""; |
| 24 | + |
| 25 | + Connection connection; |
| 26 | + |
| 27 | + @Context |
| 28 | + private UriInfo context; |
| 29 | + |
| 30 | + /** |
| 31 | + * Retrieves representation of an instance of helloWorld.HelloWorld |
| 32 | + * |
| 33 | + * @return an instance of java.lang.String |
| 34 | + */ |
| 35 | + |
| 36 | + @GET |
| 37 | + @Produces("application/json") |
| 38 | + public String getJSON() { |
| 39 | + return ""; |
| 40 | + } |
| 41 | + |
| 42 | + @GET |
| 43 | + @Produces("text/html") |
| 44 | + public String getSQLdata() { |
| 45 | + try { |
| 46 | + // Establish connection to MySQL database |
| 47 | + connection = DriverManager.getConnection(JDBC_URL, USERNAME, PASSWORD); |
| 48 | + |
| 49 | + // Create a statement |
| 50 | + Statement statement = connection.createStatement(); |
| 51 | + |
| 52 | + String sqlQuery = "SELECT * FROM prenotazioni"; |
| 53 | + ResultSet resultSet = statement.executeQuery(sqlQuery); |
| 54 | + StringBuilder result = new StringBuilder(); |
| 55 | + while (resultSet.next()) { |
| 56 | + // Retrieve data from each row |
| 57 | + int id = resultSet.getInt("id_prenotazione"); |
| 58 | + String data = resultSet.getString("data"); |
| 59 | + String note = resultSet.getString("note"); |
| 60 | + // Process the data as needed |
| 61 | + result.append("ID: ").append(id).append(" ,Data: ").append(data).append(" ,Note: ").append(note); |
| 62 | + } |
| 63 | + // Close the result set and statement |
| 64 | + resultSet.close(); |
| 65 | + statement.close(); |
| 66 | + connection.close(); |
| 67 | + |
| 68 | + return "<h1>" + result.toString() + "</h1>"; |
| 69 | + } catch (SQLException e) { |
| 70 | + e.printStackTrace(); |
| 71 | + } |
| 72 | + return "<h1>errore</h1>"; |
| 73 | + } |
| 74 | +} |
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