From 4b1282d8c58f0cbe783b97589191b6331edbc276 Mon Sep 17 00:00:00 2001
From: Alfredo Chissotti <20033498@studenti.uniupo.it>
Date: Sat, 17 Sep 2022 10:01:03 +0200
Subject: [PATCH] idem al precedente, per DBC che mi ero dimenticato
---
domainManager/Domain/src/db/DBC.java | 201 ++++++++++++++++-----------
1 file changed, 122 insertions(+), 79 deletions(-)
diff --git a/domainManager/Domain/src/db/DBC.java b/domainManager/Domain/src/db/DBC.java
index 6795879..fdeb308 100644
--- a/domainManager/Domain/src/db/DBC.java
+++ b/domainManager/Domain/src/db/DBC.java
@@ -18,16 +18,30 @@ import org.json.JSONException;
*/
public class DBC {
+ private static Connection connect() {
+ // SQLite connection string
+ String url = "jdbc:sqlite:../DBPissirDomain.db";
+ Connection conn = null;
+ try {
+ conn = DriverManager.getConnection(url);
+ } catch (SQLException e) {
+ e.printStackTrace();
+ }
+ return conn;
+ }
+
public static Dominio getDom(String dm) throws SQLException {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT * FROM Domini WHERE Domain = ?");
prepared.setString(1, dm);
@@ -76,12 +90,14 @@ public class DBC {
public static void delDom(String dm) throws SQLException {
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
// db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("DELETE FROM Domini WHERE Domain = ?");
prepared.setString(1, dm);
@@ -114,12 +130,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("INSERT INTO Domini (Domain, State) VALUES (?1,?2)");
prepared.setString(1, j);
@@ -143,12 +161,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT * FROM Amministra WHERE User = ?");
prepared.setString(1, user);
@@ -188,12 +208,14 @@ public class DBC {
public static ArrayList<String> getDomainsUser(String user) throws SQLException, JSONException {
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT * FROM Usa WHERE User = ?");
prepared.setString(1, user);
@@ -227,12 +249,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT * FROM Domini WHERE Domain = ?");
prepared.setString(1, domain);
@@ -273,12 +297,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
// db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn
.prepareStatement("INSERT INTO Moduli (Module, Requirements, Path) VALUES (?,?,?);");
@@ -309,12 +335,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT * FROM Moduli");
// prepared.setString(1, user);
@@ -356,12 +384,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("INSERT INTO Amministra (User, Domain) VALUES (?1,?2)");
prepared.setString(1, user);
prepared.setString(2, dom);
@@ -384,12 +414,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("INSERT INTO Usa (User, Domain) VALUES (?1,?2)");
prepared.setString(1, user);
prepared.setString(2, dom);
@@ -412,12 +444,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn
.prepareStatement("INSERT INTO Servizi (Domain, Resource, Module) VALUES (?1,?2,?3)");
@@ -448,12 +482,14 @@ public class DBC {
*/
public static ArrayList<String> insertService(String domain, String module) throws JSONException {
// find the host from the database
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
// db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement first = conn.prepareStatement("SELECT Requirements FROM Moduli WHERE Module = ?1");
first.setString(1, module);
@@ -509,12 +545,14 @@ public class DBC {
// connect();
// Statement statement =conn.createStatement();
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
// db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT Module FROM Servizi WHERE Domain = ?");
prepared.setString(1, domain);
@@ -563,12 +601,14 @@ public class DBC {
public static JSONArray getAllServices() {
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
Statement statement = conn.createStatement();
ResultSet result = statement.executeQuery("SELECT Module FROM Moduli");
@@ -614,19 +654,21 @@ public class DBC {
return null;
}
- public static int setStatoDomain(String domain, int stato) {
- Connection conn = null;
+ public static void setStatoDomain(String domain, int stato) {
+ Connection conn = connect();
+ if(conn == null)
+ return;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("UPDATE Domini SET State = ? WHERE Domain = ?");
prepared.setInt(1, stato);
prepared.setString(2, domain);
- return prepared.executeUpdate();
+ prepared.executeUpdate();
} catch (SQLException e) {
e.printStackTrace();
@@ -639,16 +681,17 @@ public class DBC {
ex.printStackTrace();
}
}
- return 0;
}
public static String getURI(String module) {
- Connection conn = null;
+ Connection conn = connect();
+ if(conn == null)
+ return null;
try {
- // db parameters
- String url = "jdbc:sqlite:../DBPissirDomain.db";
- // create a connection to the database
- conn = DriverManager.getConnection(url);
+ // // db parameters
+ // String url = "jdbc:sqlite:../DBPissirDomain.db";
+ // // create a connection to the database
+ // conn = DriverManager.getConnection(url);
PreparedStatement prepared = conn.prepareStatement("SELECT Path FROM Moduli WHERE Module = ?");
prepared.setString(1, module);
--
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