//index.jsp <%@ taglib uri="/tags/struts-html" prefix="html" %> <%@ taglib uri="/tags/struts-logic" prefix="logic" %>
<html:html locale="true"> <head> <title>A Welcome Page</title> <html:base/> </head> <body bgcolor="white">
<logic:notPresent name="org.apache.struts.action.MESSAGE" scope="application"> <font color="red"> ERROR: Application resources not loaded -- check servlet container logs for error messages. </font> </logic:notPresent> <h1>Reading User Input</h1>
<html:form action="Data"> Please type your name: <html:text property="text" /> <html:submit /> </html:form>
</body> </html:html>
//ch03_01.jsp <%@ taglib uri="/tags/struts-bean" prefix="bean" %> <%@ taglib uri="/tags/struts-html" prefix="html" %> <%@ taglib uri="/tags/struts-logic" prefix="logic" %> <%@ taglib uri="/ch03" prefix="ch03" %>
<HTML> <HEAD> <TITLE>The Struts Cafe</TITLE> </HEAD> <BODY> <H1>The Struts Cafe</H1> <html:errors/> <ch03:items/> <ch03:toppings/> <html:form action="ch03_04.do"> <TABLE> <TR> <TD ALIGN="LEFT" VALIGN="TOP"> <bean:message key="toppings"/> <BR> <logic:iterate id="toppings1" name="toppings"> <html:multibox property="toppings"> <%= toppings1 %> </html:multibox> <%= toppings1 %> <BR> </logic:iterate> </TD> <TD ALIGN="LEFT" VALIGN="TOP"> <bean:message key="items"/> <BR> <html:select property="items"> <html:options name="items"/> </html:select> </TD> </TR> <TR> <TD ALIGN="LEFT"> <BR> <bean:message key="email"/> <html:text property="email"/> </TD> <TR> </TABLE> <BR> <html:submit value="Place Your Order!"/> </html:form> </BODY> </html>
package ch03;
import ch03.DataForm; import java.io.IOException; import javax.servlet.*; import javax.servlet.http.*; import org.apache.struts.action.*;
public class DataAction extends Action {
public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
String text = null;
String target = new String("success");
if ( form != null ) {
DataForm dataForm = (DataForm)form;
text = dataForm.getText();
}
return (mapping.findForward(target)); } }
package ch03;
import javax.servlet.http.HttpServletRequest; import org.apache.struts.action.ActionForm; import org.apache.struts.action.ActionMapping; import org.apache.struts.action.ActionError; import org.apache.struts.action.ActionErrors;
public class DataForm extends ActionForm {
private String text = null;
public String getText() {
return (text); }
public void setText(String text) {
this.text = text; }
public void reset(ActionMapping mapping, HttpServletRequest request) {
this.text = null; }
// public ActionErrors validate(ActionMapping mapping, // HttpServletRequest request) {
// ActionErrors errors = new ActionErrors();
// if ( (symbol == null ) || (symbol.length() == 0) ) {
// errors.add("symbol", // new ActionError("errors.data.symbol.required")); // } // return errors; // } }
package ch03;
import java.util.*; import javax.servlet.jsp.tagext.TagSupport;
public class ch03_02 extends TagSupport { public int doStartTag() { String[] itemsArray = {"", "Pizza", "Calzone", "Sandwich"}; pageContext.setAttribute("items", itemsArray); return SKIP_BODY; } } package ch03;
import java.util.*; import javax.servlet.jsp.tagext.TagSupport;
public class ch03_03 extends TagSupport { public int doStartTag() { String[] toppingsArray = {"Pepperoni", "Hamburger", "Sausage", "Ham", "Cheese"}; pageContext.setAttribute("toppings", toppingsArray); return SKIP_BODY; } }
package ch03;
import java.io.*; import java.util.*; import ch03.ch03_06; import javax.servlet.http.HttpServletRequest; import javax.servlet.http.HttpServletResponse; import javax.servlet.ServletException; import org.apache.struts.action.*;
public class ch03_04 extends Action { public ActionForward execute(ActionMapping mapping, ActionForm form, HttpServletRequest request, HttpServletResponse response) throws IOException, ServletException {
ActionErrors actionerrors = new ActionErrors(); ch03_06 orderForm = (ch03_06)form; String email = orderForm.getEmail(); if(email.trim().equals("")) { actionerrors.add(ActionErrors.GLOBAL_ERROR, new ActionError("error.noemail")); } String items = orderForm.getItems(); if(items.trim().equals("")) { actionerrors.add("ActionErrors.GLOBAL_ERROR", new ActionError("error.noitems")); } String[] toppings = orderForm.getToppings(); if(toppings == null) { actionerrors.add("ActionErrors.GLOBAL_ERROR", new ActionError("error.notoppings")); } if(actionerrors.size() != 0) { saveErrors(request, actionerrors); return new ActionForward(mapping.getInput()); } return mapping.findForward("OK"); } }
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