Formatted Intercepting Filter source code.

intercepting-filter/src/main/java/com/iluwatar/AddressFilter.java

@@ -1,14 +1,16 @@
 package com.iluwatar;
+
 /**
  * Concrete implementation of filter
  * This filter is responsible for checking/filtering the input in the address field, returns null if field is empty
  * @author joshzambales
  *
  */
-public class AddressFilter implements Filter{
-	public String execute(String[] request){
-		if(request[2].equals("")){
+public class AddressFilter implements Filter {
+	public String execute(String[] request) {
+		if (request[2].equals("")) {
 			return null;
-		}else return request[2];
+		} else
+			return request[2];
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/App.java

@@ -1,9 +1,5 @@
 package com.iluwatar;
-import java.util.*;
-import javax.swing.*;
-import javax.swing.table.*;
-import java.awt.*;
-import java.awt.event.*;
+
 /**
  *
  * This is an app that checks whether the order request is valid through pre-processing done via Filters
@@ -12,7 +8,7 @@ import java.awt.event.*;
  *
  */
 public class App{
-	public static void main(String[] args){
+	public static void main(String[] args) {
 		FilterManager filterManager = new FilterManager(new Target());
 		filterManager.setFilter(new NameFilter());
 		filterManager.setFilter(new ContactFilter());
@@ -24,12 +20,3 @@ public class App{
 		client.setFilterManager(filterManager);
 	}
 }
-
-
-
-
-
-
-
-
-

intercepting-filter/src/main/java/com/iluwatar/Client.java

@@ -1,9 +1,18 @@
 package com.iluwatar;
- import java.util.*;
-import javax.swing.*;
-import javax.swing.table.*;
-import java.awt.*;
-import java.awt.event.*;
+
+import java.awt.BorderLayout;
+import java.awt.GridLayout;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JLabel;
+import javax.swing.JPanel;
+import javax.swing.JRootPane;
+import javax.swing.JTextArea;
+import javax.swing.JTextField;
+import javax.swing.SwingUtilities;
 
 /**
  * The Client class is responsible for handling the input and running them through filters inside the filterManager
@@ -13,36 +22,41 @@ import java.awt.event.*;
  * @author joshzambales
  *
  */
-public class Client extends JFrame{
+public class Client extends JFrame {
+
+	private static final long serialVersionUID = 1L;
+
 	private FilterManager filterManager;
 	private JLabel jl;
 	private JTextField[] jtFields;
 	private JTextArea[] jtAreas;
 	private JButton clearButton, processButton;
-	public Client(){
+
+	public Client() {
 		super("Client System");
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
-		setSize(300,300);
+		setSize(300, 300);
 		jl = new JLabel("RUNNING...");
 		jtFields = new JTextField[3];
-		for(int i = 0; i < 3; i++){
+		for (int i = 0; i < 3; i++) {
 			jtFields[i] = new JTextField();
 		}
 		jtAreas = new JTextArea[2];
-		for(int i = 0; i < 2; i++){
+		for (int i = 0; i < 2; i++) {
 			jtAreas[i] = new JTextArea();
 		}
-		 clearButton = new JButton("Clear");
-		 processButton = new JButton("Process");
+		clearButton = new JButton("Clear");
+		processButton = new JButton("Process");
 
 		setup();
 	}
-	private void setup(){
+
+	private void setup() {
 		setLayout(new BorderLayout());
 		JPanel panel = new JPanel();
-		add(jl,BorderLayout.SOUTH);
+		add(jl, BorderLayout.SOUTH);
 		add(panel, BorderLayout.CENTER);
-		panel.setLayout(new GridLayout(6,2));
+		panel.setLayout(new GridLayout(6, 2));
 		panel.add(new JLabel("Name"));
 		panel.add(jtFields[0]);
 		panel.add(new JLabel("Contact Number"));
@@ -56,22 +70,25 @@ public class Client extends JFrame{
 		panel.add(clearButton);
 		panel.add(processButton);
 
-		clearButton.addActionListener(new ActionListener(){
+		clearButton.addActionListener(new ActionListener() {
 			@Override
-			public void actionPerformed(ActionEvent e){
-				for(JTextArea i : jtAreas){
+			public void actionPerformed(ActionEvent e) {
+				for (JTextArea i : jtAreas) {
 					i.setText("");
 				}
-				for(JTextField i : jtFields){
+				for (JTextField i : jtFields) {
 					i.setText("");
 				}
 			}
 		});
 
-		processButton.addActionListener(new ActionListener(){
+		processButton.addActionListener(new ActionListener() {
 			@Override
-			public void actionPerformed(ActionEvent e){
-				String request = String.format("%s&%s&%s&%s&%s",jtFields[0].getText(),jtFields[1].getText(),jtAreas[0].getText(),jtFields[2].getText(),jtAreas[1].getText());
+			public void actionPerformed(ActionEvent e) {
+				String request = String.format("%s&%s&%s&%s&%s",
+						jtFields[0].getText(), jtFields[1].getText(),
+						jtAreas[0].getText(), jtFields[2].getText(),
+						jtAreas[1].getText());
 
 				jl.setText(sendRequest(request));
 			}
@@ -81,10 +98,12 @@ public class Client extends JFrame{
 		rootPane.setDefaultButton(processButton);
 		setVisible(true);
 	}
-	public void setFilterManager(FilterManager filterManager){
+
+	public void setFilterManager(FilterManager filterManager) {
 		this.filterManager = filterManager;
 	}
-	public String sendRequest(String request){
+
+	public String sendRequest(String request) {
 		return filterManager.filterRequest(request);
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/ContactFilter.java

@@ -1,14 +1,17 @@
 package com.iluwatar;
+
 /**
  * Concrete implementation of filter
  * This filter checks for the contact field in which it checks if the input consist of numbers and it also checks if the input follows the length constraint (11 digits)
  * @author joshzambales
  *
  */
-public class ContactFilter implements Filter{
-	public String execute(String[] request){
-		if(request[1].equals("") || request[1].matches(".*[^\\d]+.*") || request[1].length() != 11){
+public class ContactFilter implements Filter {
+	public String execute(String[] request) {
+		if (request[1].equals("") || request[1].matches(".*[^\\d]+.*")
+				|| request[1].length() != 11) {
 			return null;
-		}else return request[1];
+		} else
+			return request[1];
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/DepositFilter.java

@@ -1,4 +1,5 @@
 package com.iluwatar;
+
 /**
  * Concrete implementation of filter
 *
@@ -6,10 +7,11 @@ package com.iluwatar;
  * @author joshzambales
  *
  */
-public class DepositFilter implements Filter{
-	public String execute(String[] request){
-		if(request[3].equals("")){
+public class DepositFilter implements Filter {
+	public String execute(String[] request) {
+		if (request[3].equals("")) {
 			return null;
-		}else return request[3];
+		} else
+			return request[3];
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/Filter.java

@@ -1,4 +1,5 @@
 package com.iluwatar;
+
 /**
 * Filter interface 
  * Filters perform certain tasks prior or after execution of request by request handler.
@@ -6,6 +7,6 @@ package com.iluwatar;
  * @author joshzambales
  *
  */
-public interface Filter{
+public interface Filter {
 	public String execute(String[] request);
 }

intercepting-filter/src/main/java/com/iluwatar/FilterChain.java

@@ -1,46 +1,49 @@
  package com.iluwatar;
+ 
  import java.util.*;
+ 
 /**
  * Filter Chain carries multiple filters and help to execute them in defined order on target.
  * 
  * @author joshzambales
  */
-public class FilterChain{
+public class FilterChain {
 	private ArrayList<Filter> filters = new ArrayList<Filter>();
 	private final Target target;
 
-	public FilterChain(Target target){
+	public FilterChain(Target target) {
 		this.target = target;
 	}
-	public void addFilter(Filter filter){
+
+	public void addFilter(Filter filter) {
 		filters.add(filter);
 	}
 
-	public String execute(String request){
+	public String execute(String request) {
 		String tempout[] = new String[filters.size()];
 
 		String tempin[] = request.split("&");
 		int i = 0;
-		try{
-			for(Filter filter:filters){
+		try {
+			for (Filter filter : filters) {
 				tempout[i] = null;
 				tempout[i++] = filter.execute(tempin);
 			}
-		}catch(Exception e){
+		} catch (Exception e) {
 			return "NOT ENOUGHT INPUT";
 		}
 
-		if(tempout[4] == null){
+		if (tempout[4] == null) {
 			return "INVALID ORDER!";
-		}else if(tempout[3] == null){
+		} else if (tempout[3] == null) {
 			return "INVALID DEPOSIT NUMBER!";
-		}else if(tempout[2] == null){
+		} else if (tempout[2] == null) {
 			return "INVALID ADRDESS!";
-		}else if(tempout[1] == null){
+		} else if (tempout[1] == null) {
 			return "INVALID Contact Number!";
-		}else if(tempout[0] == null){
+		} else if (tempout[0] == null) {
 			return "INVALID Name!";
-		}else{
+		} else {
 			target.execute(tempout);
 			return "RUNNING...";
 		}

intercepting-filter/src/main/java/com/iluwatar/FilterManager.java

@@ -1,24 +1,23 @@
- package com.iluwatar;
- import java.util.*;
-import javax.swing.*;
-import javax.swing.table.*;
-import java.awt.*;
-import java.awt.event.*;
+package com.iluwatar;
+
 /**
- *  Filter Manager manages the filters and Filter Chain. 
+ * Filter Manager manages the filters and Filter Chain.
+ * 
  * @author joshzambales
  *
  */
-public class FilterManager{
+public class FilterManager {
 	private FilterChain filterChain;
 
-	public FilterManager(Target target){		
+	public FilterManager(Target target) {
 		filterChain = new FilterChain(target);
 	}
-	public void setFilter(Filter filter){
+
+	public void setFilter(Filter filter) {
 		filterChain.addFilter(filter);
 	}
-	public String filterRequest(String request){
+
+	public String filterRequest(String request) {
 		return filterChain.execute(request);
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/NameFilter.java

@@ -1,14 +1,17 @@
 package com.iluwatar;
+
 /**
- * Concrete implementation of filter
- * This filter checks if the input in the Name field is valid. (alphanumeric) 
+ * Concrete implementation of filter This filter checks if the input in the Name
+ * field is valid. (alphanumeric)
+ * 
  * @author joshzambales
  *
  */
-public class NameFilter implements Filter{
-	public String execute(String[] request){
-		if(request[0].equals("") || request[0].matches(".*[^\\w|\\s]+.*")){
+public class NameFilter implements Filter {
+	public String execute(String[] request) {
+		if (request[0].equals("") || request[0].matches(".*[^\\w|\\s]+.*")) {
 			return null;
-		}else return request[0];
+		} else
+			return request[0];
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/OrderFilter.java

@@ -1,15 +1,17 @@
 package com.iluwatar;
+
 /**
- * Concrete implementation of filter
- * This checks for the order field, returns null when order field is empty 
+ * Concrete implementation of filter This checks for the order field, returns
+ * null when order field is empty
  * 
  * @author joshzambales
  *
  */
-public class OrderFilter implements Filter{
-	public String execute(String[] request){
-		if(request[4].equals("")){
+public class OrderFilter implements Filter {
+	public String execute(String[] request) {
+		if (request[4].equals("")) {
 			return null;
-		}else return request[4];
+		} else
+			return request[4];
 	}
 }

intercepting-filter/src/main/java/com/iluwatar/Target.java

@@ -1,30 +1,46 @@
- package com.iluwatar;
- import java.util.*;
-import javax.swing.*;
-import javax.swing.table.*;
-import java.awt.*;
-import java.awt.event.*;
+package com.iluwatar;
+
+import java.awt.BorderLayout;
+import java.awt.Dimension;
+import java.awt.event.ActionEvent;
+import java.awt.event.ActionListener;
+
+import javax.swing.JButton;
+import javax.swing.JFrame;
+import javax.swing.JPanel;
+import javax.swing.JRootPane;
+import javax.swing.JScrollPane;
+import javax.swing.JTable;
+import javax.swing.SwingUtilities;
+import javax.swing.table.DefaultTableModel;
+
 /**
  * This is where the requests are displayed after being validated by filters.
  * 
  * @author mjoshzambales
  *
  */
-public class Target extends JFrame{
+public class Target extends JFrame {
+
+	private static final long serialVersionUID = 1L;
+
 	private JTable jt;
 	private JScrollPane jsp;
 	private DefaultTableModel dtm;
 	private JButton del;
-	public Target(){
+
+	public Target() {
 		super("Order System");
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
-		setSize(640,480);
-		dtm = new DefaultTableModel(new Object[]{"Name", "Contact Number", "Address", "Deposit Number", "Order"},0);
+		setSize(640, 480);
+		dtm = new DefaultTableModel(new Object[] { "Name", "Contact Number",
+				"Address", "Deposit Number", "Order" }, 0);
 		jt = new JTable(dtm);
 		del = new JButton("Delete");
 		setup();
 	}
-	private void setup(){
+
+	private void setup() {
 		setLayout(new BorderLayout());
 		JPanel bot = new JPanel();
 		add(jt.getTableHeader(), BorderLayout.NORTH);
@@ -32,7 +48,7 @@ public class Target extends JFrame{
 		bot.add(del, BorderLayout.EAST);
 		add(bot, BorderLayout.SOUTH);
 		jsp = new JScrollPane(jt);
-		jsp.setPreferredSize(new Dimension(500,250));
+		jsp.setPreferredSize(new Dimension(500, 250));
 		add(jsp, BorderLayout.CENTER);
 
 		del.addActionListener(new DListener());
@@ -41,17 +57,20 @@ public class Target extends JFrame{
 		rootPane.setDefaultButton(del);
 		setVisible(true);
 	}
-	public void execute(String[] request){
-		dtm.addRow(new Object[]{request[0],request[1],request[2],request[3],request[4]});
+
+	public void execute(String[] request) {
+		dtm.addRow(new Object[] { request[0], request[1], request[2],
+				request[3], request[4] });
 	}
 
-	class DListener implements ActionListener{
+	class DListener implements ActionListener {
 		@Override
-		public void actionPerformed(ActionEvent e){
+		public void actionPerformed(ActionEvent e) {
 			int temp = jt.getSelectedRow();
-			if(temp == -1) return;
+			if (temp == -1)
+				return;
 			int temp2 = jt.getSelectedRowCount();
-			for(int i = 0; i < temp2; i++){
+			for (int i = 0; i < temp2; i++) {
 				dtm.removeRow(temp);
 			}
 		}