pollution_info.java

 /* Click nbfs://nbhost/SystemFileSystem/Templates/Licenses/license-default.txt to change this license
 * Click nbfs://nbhost/SystemFileSystem/Templates/GUIForms/JFrame.java to edit this template
 */
//package com.mycompany.dbms;
import java.util.Calendar;
import java.sql.Connection;
import java.sql.DriverManager;
import java.sql.PreparedStatement;
import java.text.SimpleDateFormat;
import javax.swing.*;

/**
 *
 * @author AJAY KUMAR
 */
public class pollution_info extends javax.swing.JFrame {

    /**
     * Creates new form pollution_info
     */
    public pollution_info() {
        initComponents();
        setVisible(false);
    }

    /**
     * This method is called from within the constructor to initialize the form.
     * WARNING: Do NOT modify this code. The content of this method is always
     * regenerated by the Form Editor.
     */
    @SuppressWarnings("unchecked")
    // <editor-fold defaultstate="collapsed" desc="Generated Code"> 
    String message = "";
    private void initComponents() {

        jLabel1 = new javax.swing.JLabel();
        jLabel2 = new javax.swing.JLabel();
        jTextField1 = new javax.swing.JTextField();
        jLabel3 = new javax.swing.JLabel();
        jTextField2 = new javax.swing.JTextField();
        jDateChooser1 = new com.toedter.calendar.JDateChooser();
        jLabel4 = new javax.swing.JLabel();
        jLabel5 = new javax.swing.JLabel();
        jTextField3 = new javax.swing.JTextField();
        jButton1 = new javax.swing.JButton();

        setDefaultCloseOperation(javax.swing.WindowConstants.EXIT_ON_CLOSE);

        jLabel1.setFont(new java.awt.Font("Segoe UI", 1, 25)); // NOI18N
        jLabel1.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel1.setText("Pollution Information");

        jLabel2.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jLabel2.setText("Area id");

        jTextField1.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jTextField1.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        jTextField1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField1ActionPerformed(evt);
            }
        });

        jLabel3.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jLabel3.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel3.setText("City Id");

        jTextField2.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jTextField2.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        jTextField2.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField2ActionPerformed(evt);
            }
        });

        jLabel4.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jLabel4.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel4.setText("Date");

        jLabel5.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jLabel5.setHorizontalAlignment(javax.swing.SwingConstants.CENTER);
        jLabel5.setText("Pollution (%)");

        jTextField3.setFont(new java.awt.Font("Segoe UI", 0, 20)); // NOI18N
        jTextField3.setHorizontalAlignment(javax.swing.JTextField.CENTER);
        jTextField3.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jTextField3ActionPerformed(evt);
            }
        });

        jButton1.setFont(new java.awt.Font("Segoe UI", 0, 22)); // NOI18N
        jButton1.setText("Submit");
        jButton1.addActionListener(new java.awt.event.ActionListener() {
            public void actionPerformed(java.awt.event.ActionEvent evt) {
                jButton1ActionPerformed(evt);
            }
        });

        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
        getContentPane().setLayout(layout);
        layout.setHorizontalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(151, 151, 151)
                        .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 292, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.TRAILING)
                            .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 152, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(87, 87, 87)
                                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 120, javax.swing.GroupLayout.PREFERRED_SIZE))
                                .addGroup(layout.createSequentialGroup()
                                    .addGap(64, 64, 64)
                                    .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                                        .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 105, javax.swing.GroupLayout.PREFERRED_SIZE)
                                        .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 104, javax.swing.GroupLayout.PREFERRED_SIZE)))))
                        .addGap(82, 82, 82)
                        .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                            .addComponent(jDateChooser1, javax.swing.GroupLayout.DEFAULT_SIZE, 212, Short.MAX_VALUE)
                            .addComponent(jTextField3)
                            .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 204, javax.swing.GroupLayout.PREFERRED_SIZE)
                            .addComponent(jTextField1, javax.swing.GroupLayout.PREFERRED_SIZE, 204, javax.swing.GroupLayout.PREFERRED_SIZE)))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(220, 220, 220)
                        .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 116, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addContainerGap(132, Short.MAX_VALUE))
        );
        layout.setVerticalGroup(
            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
            .addGroup(layout.createSequentialGroup()
                .addGap(26, 26, 26)
                .addComponent(jLabel1, javax.swing.GroupLayout.PREFERRED_SIZE, 77, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(31, 31, 31)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING, false)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(1, 1, 1)
                        .addComponent(jTextField1))
                    .addComponent(jLabel2, javax.swing.GroupLayout.PREFERRED_SIZE, 46, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGap(30, 30, 30)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
                    .addComponent(jLabel3, javax.swing.GroupLayout.PREFERRED_SIZE, 51, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextField2, javax.swing.GroupLayout.PREFERRED_SIZE, 49, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addGroup(layout.createSequentialGroup()
                        .addGap(41, 41, 41)
                        .addComponent(jLabel4, javax.swing.GroupLayout.PREFERRED_SIZE, 61, javax.swing.GroupLayout.PREFERRED_SIZE))
                    .addGroup(layout.createSequentialGroup()
                        .addGap(51, 51, 51)
                        .addComponent(jDateChooser1, javax.swing.GroupLayout.PREFERRED_SIZE, 42, javax.swing.GroupLayout.PREFERRED_SIZE)))
                .addGap(29, 29, 29)
                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
                    .addComponent(jLabel5, javax.swing.GroupLayout.PREFERRED_SIZE, 59, javax.swing.GroupLayout.PREFERRED_SIZE)
                    .addComponent(jTextField3, javax.swing.GroupLayout.PREFERRED_SIZE, 47, javax.swing.GroupLayout.PREFERRED_SIZE))
                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED, 35, Short.MAX_VALUE)
                .addComponent(jButton1, javax.swing.GroupLayout.PREFERRED_SIZE, 63, javax.swing.GroupLayout.PREFERRED_SIZE)
                .addGap(18, 18, 18))
        );

        pack();
    }// </editor-fold>                        

    private void jTextField1ActionPerformed(java.awt.event.ActionEvent evt) {                                            
        // TODO add your handling code here:
    }                                           

    private void jTextField2ActionPerformed(java.awt.event.ActionEvent evt) {                                            
        // TODO add your handling code here:
    }                                           

    private void jButton1ActionPerformed(java.awt.event.ActionEvent evt) {                                         
        // TODO add your handling code here:
        validate_();
        if(message.length()==0) {
        try{  
        	//step1 load the driver class  
        	Class.forName("oracle.jdbc.driver.OracleDriver");  
        	  
        	//step2 create  the connection object  
        	Connection con=DriverManager.getConnection("jdbc:oracle:thin:@218.248.0.7:1521:RDBMS","it20737122","vasavi");  
        	String areastr = this.jTextField1.getText();
                String citystr;
                citystr = this.jTextField2.getText();
                SimpleDateFormat sdf=new SimpleDateFormat("dd-MM-yyyy");
                String date=sdf.format(jDateChooser1.getDate());
                String poll=this.jTextField3.getText();
        	////step3 create the statement object  
        	//Statement stmt=con.createStatement();  
        	//step4 execute query 
                String message1="";
                String sql = "SELECT * FROM place WHERE area_id=? AND city_id=?";
                PreparedStatement statement = con.prepareStatement(sql);
                statement.setInt(1,Integer.parseInt(areastr));
                statement.setInt(2,Integer.parseInt(citystr));
                int rowsfound = statement.executeUpdate();
                if(rowsfound==0) 
               	 {
                        //write logic for data insertion into the database
                		message1= "Enter valid area and city ids!";
                        JOptionPane.showMessageDialog(new JFrame(),message1, "error", JOptionPane.ERROR_MESSAGE);
                 }
                if(message1.length()==0) {
        	 String query = " insert into pollution_info(area_id,city_id,day,per_pollution)"
        		        + " values (?, ?, ?, ?)";
                 PreparedStatement preparedStmt = con.prepareStatement(query);
                 preparedStmt.setInt (1,Integer.parseInt(areastr));
                 preparedStmt.setInt (2,Integer.parseInt(citystr));
                 preparedStmt.setString(3,date);
                 preparedStmt.setFloat(4,Float.parseFloat(poll));
            System.out.println(query);
            preparedStmt.execute();
            //write logic for data insertion into the database
            JOptionPane.showMessageDialog(new JFrame(), "submitted successfully!");
            dispose();}
        	//stmt.executeQuery(query);  
        	System.out.println("Done");
        	  
        	//close the connection object  
        	con.close();  
        	  
        	}catch(Exception e){ 
        		System.out.println(e);
        		} 
    }                                        
    }
    private void jTextField3ActionPerformed(java.awt.event.ActionEvent evt) {                                            
        // TODO add your handling code here:
    }                                           
    public void validate_() 
    {
		
		String areastr = this.jTextField1.getText();
                String citystr;
                citystr = this.jTextField2.getText();
                String poll=this.jTextField3.getText();
                //System.out.println(company);
                //System.out.println(phone);
                if (areastr.length() < 4) {
			message = message + "areaid must be greater than 4 characters!\n";
		}
		else {
			for(char c : areastr.replaceAll(" ", "").toCharArray()) {
				if (!Character.isDigit(c)) {
					message = message + "areastrid cannot have special characters and alphabets!\n";
					break;
				}
			}
		}
		if (citystr.length() < 4) {
			message = message + "city id cannot be less than 4 charcaters!\n";
		}
                
                //pst.setString(7,date);
		if(poll.length()==0 || Float.parseFloat(poll)<0){
                    message=message+"Enter pollution value greater than 0 \n";
                }
                if (message.length() != 0) {
			JOptionPane.showMessageDialog(new JFrame(), message, "error", JOptionPane.ERROR_MESSAGE);
                
		}
}
    /**
     * @param args the command line arguments
     */
    public static void main(String args[]) {
        /* Set the Nimbus look and feel */
        //<editor-fold defaultstate="collapsed" desc=" Look and feel setting code (optional) ">
        /* If Nimbus (introduced in Java SE 6) is not available, stay with the default look and feel.
         * For details see http://download.oracle.com/javase/tutorial/uiswing/lookandfeel/plaf.html 
         */
        try {
            for (javax.swing.UIManager.LookAndFeelInfo info : javax.swing.UIManager.getInstalledLookAndFeels()) {
                if ("Nimbus".equals(info.getName())) {
                    javax.swing.UIManager.setLookAndFeel(info.getClassName());
                    break;
                }
            }
        } catch (ClassNotFoundException ex) {
            java.util.logging.Logger.getLogger(pollution_info.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (InstantiationException ex) {
            java.util.logging.Logger.getLogger(pollution_info.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (IllegalAccessException ex) {
            java.util.logging.Logger.getLogger(pollution_info.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        } catch (javax.swing.UnsupportedLookAndFeelException ex) {
            java.util.logging.Logger.getLogger(pollution_info.class.getName()).log(java.util.logging.Level.SEVERE, null, ex);
        }
        //</editor-fold>

        /* Create and display the form */
        java.awt.EventQueue.invokeLater(new Runnable() {
            public void run() {
                new pollution_info().setVisible(true);
            }
        });
    }

    // Variables declaration - do not modify                     
    private javax.swing.JButton jButton1;
    private com.toedter.calendar.JDateChooser jDateChooser1;
    private javax.swing.JLabel jLabel1;
    private javax.swing.JLabel jLabel2;
    private javax.swing.JLabel jLabel3;
    private javax.swing.JLabel jLabel4;
    private javax.swing.JLabel jLabel5;
    private javax.swing.JTextField jTextField1;
    private javax.swing.JTextField jTextField2;
    private javax.swing.JTextField jTextField3;
    // End of variables declaration                   
}