Formatted Intercepting Filter source code.

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

@@ -1,4 +1,5 @@
 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
@@ -9,6 +10,7 @@ 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
@@ -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
@@ -14,11 +23,15 @@ import java.awt.event.*;
  *
  */
 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() {
 		super("Client System");
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
@@ -37,6 +50,7 @@ public class Client extends JFrame{
 
 		setup();
 	}
+
 	private void setup() {
 		setLayout(new BorderLayout());
 		JPanel panel = new JPanel();
@@ -71,7 +85,10 @@ public class Client extends JFrame{
 		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());
+				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));
 			}
@@ -81,9 +98,11 @@ public class Client extends JFrame{
 		rootPane.setDefaultButton(processButton);
 		setVisible(true);
 	}
+
 	public void setFilterManager(FilterManager filterManager) {
 		this.filterManager = filterManager;
 	}
+
 	public String sendRequest(String request) {
 		return filterManager.filterRequest(request);
 	}

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

@@ -1,4 +1,5 @@
 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)
@@ -7,8 +8,10 @@ package com.iluwatar;
  */
 public class ContactFilter implements Filter {
 	public String execute(String[] request) {
-		if(request[1].equals("") || request[1].matches(".*[^\\d]+.*") || request[1].length() != 11){
+		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
 *
@@ -10,6 +11,7 @@ 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.

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

@@ -1,5 +1,7 @@
  package com.iluwatar;
+ 
  import java.util.*;
+ 
 /**
  * Filter Chain carries multiple filters and help to execute them in defined order on target.
  * 
@@ -12,6 +14,7 @@ public class FilterChain{
 	public FilterChain(Target target) {
 		this.target = target;
 	}
+
 	public void addFilter(Filter filter) {
 		filters.add(filter);
 	}

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

@@ -1,11 +1,8 @@
 package com.iluwatar;
- import java.util.*;
-import javax.swing.*;
-import javax.swing.table.*;
-import java.awt.*;
-import java.awt.event.*;
+
 /**
  * Filter Manager manages the filters and Filter Chain.
+ * 
  * @author joshzambales
  *
  */
@@ -15,9 +12,11 @@ public class FilterManager{
 	public FilterManager(Target target) {
 		filterChain = new FilterChain(target);
 	}
+
 	public void setFilter(Filter filter) {
 		filterChain.addFilter(filter);
 	}
+
 	public String filterRequest(String request) {
 		return filterChain.execute(request);
 	}

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

@@ -1,7 +1,9 @@
 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
  *
  */
@@ -9,6 +11,7 @@ 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

@@ -1,7 +1,8 @@
 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
  *
@@ -10,6 +11,7 @@ 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

@@ -1,9 +1,19 @@
 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.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.
  * 
@@ -11,19 +21,25 @@ import java.awt.event.*;
  *
  */
 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() {
 		super("Order System");
 		setDefaultCloseOperation(EXIT_ON_CLOSE);
 		setSize(640, 480);
-		dtm = new DefaultTableModel(new Object[]{"Name", "Contact Number", "Address", "Deposit Number", "Order"},0);
+		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() {
 		setLayout(new BorderLayout());
 		JPanel bot = new JPanel();
@@ -41,15 +57,18 @@ 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]});
+		dtm.addRow(new Object[] { request[0], request[1], request[2],
+				request[3], request[4] });
 	}
 
 	class DListener implements ActionListener {
 		@Override
 		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++) {
 				dtm.removeRow(temp);