... creating a simple Java interface We will call this interface the Greeter interface and place it in the package com.integrallis.j2se, and extend the java. io Serializable interface We can create a ... Internet dedicated to managing open source projects and providing news concerning open source • apache.org: • jakarta.apache.org: The Jakarta project (jakarta.apache.org) is a collection of Java projects ... Today we can build Java applications with a similar level of agility as that showcased by the scripting language camps POJOs are not a new technology or technique but are a “going back to the basis”...
... and directives Chapter 3: JavaBeans and JSP Concepts Overview Before we can start learning about how you can use JavaBeans in JavaServer Pages, we must take a look at what a bean is A JavaBean ... properties Listing 3.1 contains a simple JavaBean Listing 3.1: SimpleJavaBean .java import java. io.Serializable; - 25 - public class SimpleJavaBean implements java. io.Serializable{ private String simpleProperty ... bean is A JavaBean is a 100% Java component that works on any Java Virtual Machine The minimum requirements that make a component a JavaBean are as follows: It must support the JDK 1.1 and later...
... of the javax.servlet.jsp.tagext package Chapter 20, "The javax.servlet Package" Chapter 20 covers the classes, interfaces, and exceptions of the javax.servlet package Chapter 21, "The javax.servlet.http ... leveraging the MVC design pattern Chapter 17, "JSP and JavaMail" Chapter 17 discusses what JavaMail is and how you use it with JSPs and other applications Chapter 18, "The javax.servlet.jsp Package" ... straight into building a shopping cart, sending JavaMail, and much more The final third of the book is a syntax reference for the javax.servlet.jsp, javax.servlet.jsp.tagext, javax.servlet.package,...
... are going to cover Java servlets Then in Chapter 3, "JavaBeans and JSP Concepts," we'll look at JavaBeans and how they can be used in JSPs Chapter 2: Java Servlets Overview JavaServer Pages are ... , and the actions The syntax of the action is as follows: Table 1.5 contains the attributes ... where the code attribute can be found codebase The attributes indicate the optional parameters that can be passed to the applet or JavaBeans component Implicit Objects As a JSP author,...
... and directives Chapter 3: JavaBeans and JSP Concepts Overview Before we can start learning about how you can use JavaBeans in JavaServer Pages, we must take a look at what a bean is A JavaBean ... properties Listing 3.1 contains a simple JavaBean Listing 3.1: SimpleJavaBean .java import java. io.Serializable; - 25 - public class SimpleJavaBean implements java. io.Serializable{ private String simpleProperty ... bean is A JavaBean is a 100% Java component that works on any Java Virtual Machine The minimum requirements that make a component a JavaBean are as follows: It must support the JDK 1.1 and later...
... reference JavaBeans and an example that uses these actions JavaBean Standard Actions There are three standard actions defined to help integrate JavaBeans into JSPs: , , and ... The first standard action is It associates an instance of a JavaBean defined with a given scope and id via a newly declared scripting variable of the same id The ... typeSpec ::=class="className" | class="className" type="typeName" | type="typeName" class="className" | - 32 - beanName="beanName" type="typeName" | type="typeName" beanName="beanName"...
... Catalog database Inserting Data into a Table Now that we have all our tables in place, you can put some data into them Listing 4.2 shows the application used to populate our Movie Catalog database ... System.err.println(sqle.getMessage()); } } } public static void main(String[] args) { InsertDataApp insertDataApp = new InsertDataApp(); insertDataApp.insertData(); } } The InsertDataApp application uses the same executeUpdate() ... following code snippet shows how to create a Statement: Statement statement = con.createStatement(); Creating a Table The first thing we are going to is create a database table that represents a list...
... void main(String[] args) { UpdateDataApp updateDataApp = new UpdateDataApp(); updateDataApp.updateData(); } } If you examine Listing 4.4's executeUpdate() method, you will see the appropriate SQL ... UpdateDataApp .java import java. sql.*; public class UpdateDataApp { public UpdateDataApp() { } public void updateData() { Connection = null; try { // Load the Driver class file Class.forName("sun.jdbc.odbc.JdbcOdbcDriver"); ... main(String[] args) { SelectDataApp selectDataApp = new SelectDataApp(); selectDataApp.selectData(); } } To execute a query, use the same Statement object as in previous examples You just call...
... will examine a more efficient method of database interaction by incorporating a JDBC connection pool using a JavaBean Summary In this chapter, we covered the basics of the JDBC and its characteristics, ... Chapter 7: Using the include Directive Chapter 8: JavaServer Pages and Inheritance Chapter 9: Using the JSP's Implicit Objects Chapter 10: Using JSP Standard Actions Chapter 11: JSPs and JavaBean ... Chapter 17: JSP and JavaMail Chapter 5: Configuring the JSP Server Overview Tomcat is the flagship product of the Apache Software Foundation's Jakarta Project It is intended to be a world-class...
... Inheritance," we are going to cover how you can extend the functionality of a JSP using inheritance Chapter 8: JavaServer Pages and Inheritance Overview Extending a JavaServer page from another ... import javax.servlet.jsp.HttpJspPage; import java. io.*; import java. util.*; public abstract class PureJSPBase extends HttpServlet implements HttpJspPage { private ServletConfig config; //Initialize ... PageContext object from the JspFactory, using the getPageContext() method This method obtains an instance of an implementation dependent javax.servlet.jsp.PageContext abstract class for the calling servlet...
... to access request parameters You can this by calling the request object's getParameter() method, which is inherited from its parent javax.servlet.ServletRequest, with the parameter name you are ... ServletContext and stores it in the application object The application object has application scope, which means that it is available to all JSPs until the JSP engine is shut down The application object ... application object to store and access our application's specific information We will this by creating a properties file named Chapter9Prop.txt, as follows: PROP1:VAL1 PROP2:VAL2 PROP3:VAL3 You can...
... pageContext.include("header.jsp" + _jspx_qStr); } You can see that the String _jspx qStr is created and then our parameter list, which was created using the standard action, is appended ... to a static resource, servlet, or another JSP The appearance of this action effectively terminates the execution of the current page A action can contain subattributes ... http://yourserver:8080/purejsp/UseForward.jsp?companyId=1 You will see an image similar to Figure 10.2 - 99 - Figure 10.2: The output from UseForward.jsp You should also go ahead and change the companyId request parameter to equal...
... attributes indicate the optional parameters that can be passed to the applet or JavaBeans component For our example, we are going to use an applet that contains a TextArea object into which a ... import javax.swing.*; public class Applet1 extends JApplet { boolean isStandalone = false; TextArea textArea1 = new TextArea(); GridLayout gridLayout1 = new GridLayout(1,2); //Get a parameter value ... implemented and how you can use them In Chapter 11, we cover the scope differences when using JavaBeans in a JSP Chapter 11: JSPs and JavaBean Scope Overview As we discussed in Chapter 3, "JavaBeans and...
... shopping cart Listing 13.1: ShoppingCart .java import java. lang.String; import java. lang.Integer; import java. lang.Float; import java. util.Hashtable; import java. util.Enumeration; public class ShoppingCart ... create a JavaBean that encapsulates a shopping cart, a JSP that displays the contents of the shopping cart, and a JSP that uses the created shopping cart Creating a Shopping Cart The shopping cart ... standard action We tell the standard action that we want to use the company bean and set the property attribute to an asterisk (*) character This tells the standard action...
... /purejsp/WEBINF/classes/ directory Integrating the Shopping Cart Now that we have a shopping cart bean, let's create a JSP that makes use of the cart The JSP that we have created to this is in ... you add, the quantity of the cart's content is incremented Creating a Shopping Cart JSP Now that you have added several items to the ShoppingCart, let's create a JSP that will display the cart's ... 13.2: AddToShoppingCart.jsp - 124 -
... necessary information The JavaMail API has provided a clean and easy-to-use Java interface to design and implement messaging and Internet email solutions Internet email is comprised of several standards ... design pattern In Chapter 17, we cover how to work with JavaMail and JSPs Chapter 17: JSP and JavaMail Overview Traditionally when you needed to interact with a mail server from within code, you ... ShopController .java import javax.servlet.*; import javax.servlet.http.*; import java. io.*; import java. util.*; import ShoppingCart; public class ShopController extends HttpServlet { //Initialize global variables...