📄 bookdetail_jsp.java
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String primaryKeyParams = "";
String sQueryString = "";
String sPage = "";
String sParams = "";
String sActionFileName = "ShoppingCart.jsp";
String sWhere = " ";
boolean bErr = false;
long iCount = 0;
sParams = "?";
sParams += "item_id=" + toURL(getParam( request, "Trn_item_id"));
String pPKitem_id = "";
final int iinsertAction = 1;
final int iupdateAction = 2;
final int ideleteAction = 3;
int iAction = 0;
if ( sAction.equalsIgnoreCase("insert") ) { iAction = iinsertAction; }
if ( sAction.equalsIgnoreCase("update") ) { iAction = iupdateAction; }
if ( sAction.equalsIgnoreCase("delete") ) { iAction = ideleteAction; }
// Create WHERE statement
String flditem_id="";
String fldcategory_id="";
String fldprice="";
// Load all form fields into variables
sSQL = "";
// Create SQL statement
if ( sDetailErr.length() > 0 ) return sDetailErr;
try {
// Execute SQL statement
stat.executeUpdate(sSQL);
}
catch(java.sql.SQLException e) {
sDetailErr = e.toString(); return (sDetailErr);
}
try {
if ( stat != null ) stat.close();
if ( conn != null ) conn.close();
}
catch ( java.sql.SQLException ignore ) {}
response.sendRedirect (sActionFileName + sParams);
return "sendRedirect";
}
catch (Exception e) {out.println(e.toString()); }
return (sDetailErr);
}
void Detail_Show(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sDetailErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
try {
String sSQL="";
String sQueryString = "";
String sPage = "";
String sWhere = "";
String transitParams = "";
String transitParamsHidden = "";
String requiredParams = "";
String primaryKeyParams ="";
java.util.Hashtable rsHash = new java.util.Hashtable();
String pitem_id = "";
String fldcategory_id="";
String flditem_id="";
String fldname="";
String fldauthor="";
String fldprice="";
String fldimage_url="";
String fldnotes="";
String fldproduct_url="";
boolean bPK = true;
if ( "".equals(sDetailErr)) {
// Load primary key and form parameters
flditem_id = getParam( request, "item_id");
transitParamsHidden += "<input type=\"hidden\" name=\"Trn_item_id\" value=\""+getParam( request, "item_id")+"\">";
transitParams += "Trn_item_id="+getParam( request, "item_id")+"&";
pitem_id = getParam( request, "item_id");
}
else {
// Load primary key, form parameters and form fields
flditem_id = getParam( request, "item_id");
transitParamsHidden += "<input type=\"hidden\" name=\"Trn_item_id\" value=\""+getParam( request, "Trn_item_id")+"\">";
transitParams += "Trn_item_id="+getParam( request, "Trn_item_id")+"&";
pitem_id = getParam( request, "PK_item_id");
}
if ( isEmpty(pitem_id)) { bPK = false; }
sWhere += "item_id=" + toSQL(pitem_id, adNumber);
primaryKeyParams += "<input type=\"hidden\" name=\"PK_item_id\" value=\""+pitem_id+"\"/>";
sSQL = "select * from items where " + sWhere;
out.println(" <table style=\"\">");
out.println(" <tr>\n <td style=\"background-color: #336699; text-align: Center; border-style: outset; border-width: 1\" colspan=\"2\"><font style=\"font-size: 12pt; color: #FFFFFF; font-weight: bold\">Book Detail</font></td>\n </tr>");
if ( ! sDetailErr.equals("")) {
out.println(" <tr>\n <td style=\"background-color: #FFFFFF; border-width: 1\" colspan=\"2\"><font style=\"font-size: 10pt; color: #000000\">"+sDetailErr+"</font></td>\n </tr>");
}
sDetailErr="";
out.println(" <form method=\"get\" action=\""+sFileName+"\" name=\"Detail\">");
java.sql.ResultSet rs = null;
if ( bPK && ! (sAction.equals("insert") && "Detail".equals(sForm))) {
// Open recordset
rs = openrs( stat, sSQL);
rs.next();
String[] aFields = getFieldsName( rs );
getRecordToHash( rs, rsHash, aFields );
rs.close();
flditem_id = (String) rsHash.get("item_id");
fldname = (String) rsHash.get("name");
fldauthor = (String) rsHash.get("author");
fldcategory_id = (String) rsHash.get("category_id");
fldprice = (String) rsHash.get("price");
fldimage_url = (String) rsHash.get("image_url");
fldnotes = (String) rsHash.get("notes");
fldproduct_url = (String) rsHash.get("product_url");
if (sAction.equals("") || ! "Detail".equals(sForm)) {
flditem_id = (String) rsHash.get("item_id");
fldname = (String) rsHash.get("name");
fldauthor = (String) rsHash.get("author");
fldcategory_id = (String) rsHash.get("category_id");
fldprice = (String) rsHash.get("price");
fldimage_url = (String) rsHash.get("image_url");
fldnotes = (String) rsHash.get("notes");
fldproduct_url = (String) rsHash.get("product_url");
}
else {
flditem_id = (String) rsHash.get("item_id");
fldname = (String) rsHash.get("name");
fldauthor = (String) rsHash.get("author");
fldcategory_id = (String) rsHash.get("category_id");
fldprice = (String) rsHash.get("price");
fldimage_url = (String) rsHash.get("image_url");
fldnotes = (String) rsHash.get("notes");
fldproduct_url = (String) rsHash.get("product_url");
}
}
else {
if ( "".equals(sDetailErr)) {
flditem_id = toHTML(getParam(request,"item_id"));
}
}
// Set lookup fields
fldcategory_id = dLookUp( stat, "categories", "name", "category_id=" + toSQL(fldcategory_id, adNumber));
if ( "".equals(sDetailErr)) {
fldimage_url="<img border=0 src=" + fldimage_url + ">";
fldproduct_url="Review this book on Amazon.com";
}
// Show form field
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Title</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldname)+" </font>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Author</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldauthor)+" </font>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Category</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldcategory_id)+" </font>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Price</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldprice)+" </font>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Picture</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<a href=\""+(String) rsHash.get("product_url")+"\"><font style=\"font-size: 10pt; color: #000000\">"+fldimage_url+"</font></a>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Notes</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<font style=\"font-size: 10pt; color: #000000\">"+fldnotes+" </font>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\"></font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<a href=\""+(String) rsHash.get("product_url")+"\"><font style=\"font-size: 10pt; color: #000000\">"+toHTML(fldproduct_url)+"</font></a>");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td colspan=\"2\" align=\"right\">");
if ( bPK && ! (sAction.equals("insert") && "Detail".equals(sForm))) {
out.print("<input type=\"hidden\" name=\"FormName\" value=\"Detail\"><input type=\"hidden\" value=\"\" name=\"FormAction\">");
}
out.print("<input type=\"hidden\" name=\"item_id\" value=\""+toHTML(flditem_id)+"\">");
out.print(transitParamsHidden+requiredParams+primaryKeyParams);
out.println("</td>\n </tr>\n </form>\n </table>");
}
catch (Exception e) { out.println(e.toString()); }
}
String OrderAction(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sAction, String sForm, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
String sOrderErr ="";
try {
if (sAction.equals("")) return "";
String sSQL="";
String transitParams = "";
String primaryKeyParams = "";
String sQueryString = "";
String sPage = "";
String sParams = "";
String sActionFileName = "ShoppingCart.jsp";
String sWhere = " ";
boolean bErr = false;
long iCount = 0;
String pPKorder_id = "";
final int iinsertAction = 1;
final int iupdateAction = 2;
final int ideleteAction = 3;
int iAction = 0;
if ( sAction.equalsIgnoreCase("insert") ) { iAction = iinsertAction; }
if ( sAction.equalsIgnoreCase("update") ) { iAction = iupdateAction; }
if ( sAction.equalsIgnoreCase("delete") ) { iAction = ideleteAction; }
// Create WHERE statement
String fldUserID="";
String fldquantity="";
String flditem_id="";
String fldorder_id="";
// Load all form fields into variables
fldUserID = (String) session.getAttribute("UserID");
fldquantity = getParam(request, "quantity");
flditem_id = getParam(request, "item_id");
// Validate fields
if ( iAction == iinsertAction || iAction == iupdateAction ) {
if ( isEmpty(fldquantity) ) {
sOrderErr = sOrderErr + "The value in field Quantity is required.<br>";
}
if ( ! isNumber(fldquantity)) {
sOrderErr = sOrderErr + "The value in field Quantity is incorrect.<br>";
}
if ( ! isNumber(flditem_id)) {
sOrderErr = sOrderErr + "The value in field item_id is incorrect.<br>";
}
if (sOrderErr.length() > 0 ) {
return (sOrderErr);
}
}
sSQL = "";
// Create SQL statement
switch (iAction) {
case iinsertAction :
sSQL = "insert into orders (" +
"member_id," +
"quantity," +
"item_id)" +
" values (" +
toSQL(fldUserID, adNumber) + "," +
toSQL(fldquantity, adNumber) + "," +
toSQL(flditem_id, adNumber) + ")";
break;
}
if ( sOrderErr.length() > 0 ) return sOrderErr;
try {
// Execute SQL statement
stat.executeUpdate(sSQL);
}
catch(java.sql.SQLException e) {
sOrderErr = e.toString(); return (sOrderErr);
}
try {
if ( stat != null ) stat.close();
if ( conn != null ) conn.close();
}
catch ( java.sql.SQLException ignore ) {}
response.sendRedirect (sActionFileName);
return "sendRedirect";
}
catch (Exception e) {out.println(e.toString()); }
return (sOrderErr);
}
void Order_Show(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response, javax.servlet.http.HttpSession session, javax.servlet.jsp.JspWriter out, String sOrderErr, String sForm, String sAction, java.sql.Connection conn, java.sql.Statement stat) throws java.io.IOException {
try {
String sSQL="";
String sQueryString = "";
String sPage = "";
String sWhere = "";
String transitParams = "";
String transitParamsHidden = "";
String requiredParams = "";
String primaryKeyParams ="";
java.util.Hashtable rsHash = new java.util.Hashtable();
String porder_id = "";
String flditem_id="";
String fldUserID="";
String fldorder_id="";
String fldquantity="";
boolean bPK = true;
if ( "".equals(sOrderErr)) {
// Load primary key and form parameters
flditem_id = getParam( request, "item_id");
porder_id = getParam( request, "order_id");
}
else {
// Load primary key, form parameters and form fields
fldorder_id = getParam( request, "order_id");
fldquantity = getParam( request, "quantity");
flditem_id = getParam( request, "item_id");
porder_id = getParam( request, "PK_order_id");
}
if ( isEmpty(porder_id)) { bPK = false; }
sWhere += "order_id=" + toSQL(porder_id, adNumber);
primaryKeyParams += "<input type=\"hidden\" name=\"PK_order_id\" value=\""+porder_id+"\"/>";
sSQL = "select * from orders where " + sWhere;
out.println(" <table style=\"\">");
if ( ! sOrderErr.equals("")) {
out.println(" <tr>\n <td style=\"background-color: #FFFFFF; border-width: 1\" colspan=\"2\"><font style=\"font-size: 10pt; color: #000000\">"+sOrderErr+"</font></td>\n </tr>");
}
sOrderErr="";
out.println(" <form method=\"get\" action=\""+sFileName+"\" name=\"Order\">");
java.sql.ResultSet rs = null;
if ( bPK && ! (sAction.equals("insert") && "Order".equals(sForm))) {
// Open recordset
rs = openrs( stat, sSQL);
rs.next();
String[] aFields = getFieldsName( rs );
getRecordToHash( rs, rsHash, aFields );
rs.close();
fldorder_id = (String) rsHash.get("order_id");
flditem_id = (String) rsHash.get("item_id");
if ( "".equals(sOrderErr)) {
// Load data from recordset when form displayed first time
fldquantity = (String) rsHash.get("quantity");
}
if (sAction.equals("") || ! "Order".equals(sForm)) {
fldorder_id = (String) rsHash.get("order_id");
fldquantity = (String) rsHash.get("quantity");
flditem_id = (String) rsHash.get("item_id");
}
}
else {
if ( "".equals(sOrderErr)) {
flditem_id = toHTML(getParam(request,"item_id"));
fldquantity= "1";
}
}
// Show form field
out.print(" <tr>\n <td style=\"background-color: #FFEAC5; border-style: inset; border-width: 0\"><font style=\"font-size: 10pt; color: #000000\">Quantity</font></td><td style=\"background-color: #FFFFFF; border-width: 1\">"); out.print("<input type=\"text\" name=\"quantity\" maxlength=\"10\" value=\""+toHTML(fldquantity)+"\" size=\"10\">");
out.println("</td>\n </tr>");
out.print(" <tr>\n <td colspan=\"2\" align=\"right\">");
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