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JSP Homework
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| <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" | |
| "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> | |
| <html xmlns="http://www.w3.org/1999/xhtml"> | |
| <head> | |
| <%@ page buffer="none" autoFlush="true" import="java.util.*, java.io.*" %> | |
| <title>SuperGeileForm</title> | |
| <style type="text/css"> | |
| body { background-color:#222; font-family:Helvetica,Verdana,Tahoma; } | |
| #box { background-color:white; border:2px solid #444; margin:20px auto; width:500px; padding:12px; border-radius:16px; } | |
| h1 { font-family:Tahoma,Helvetica,Verdana; margin:4px 0px; padding:0px; color:#343; text-shadow:0px 0px 20px #efe, 0px 0px 10px black; } | |
| input { background-color:#ccc; color:#111; font-size:110%; border:1px solid #bbb; border-radius:8px; width:416px; } | |
| input[type=submit] { background-color:#aaa; width:420px; } | |
| input.w10 { width:60px; } | |
| input.w20 { width:117px; margin-right:5px; float:left; } | |
| input.w80 { width:290px; } | |
| input.w90 { width:347px; margin-right:5px; float:left; } | |
| #error { border:1px solid #274818; background-color:#fee; border-radius:10px; color:black; padding:6px 8px; text-shadow:none; margin-bottom:5px; } | |
| #info { border:1px solid #274818; background-color:#efe; border-radius:10px; color:black; padding:6px 8px; text-shadow:none; margin-bottom:5px; } | |
| table.list { background-color:#eee; border:2px solid #444; border-radius:12px; padding:6px; margin:0px auto; } | |
| .red { background-color:#fee; } | |
| </style> | |
| <% | |
| String oldcontent = ""; | |
| boolean error = false; | |
| boolean info = false; | |
| String msg = ""; | |
| // Initialisiere das immer, wegen schlechter planung... | |
| Properties form = new Properties(); | |
| form.setProperty("name",""); | |
| form.setProperty("vorname",""); | |
| form.setProperty("strasse",""); | |
| form.setProperty("plz",""); | |
| form.setProperty("ort",""); | |
| form.setProperty("land",""); | |
| form.setProperty("hausnummer",""); | |
| if(request.getParameter("sent") != null){ | |
| /* | |
| ** Error Handling | |
| */ | |
| if (request.getParameter("error") != null) { | |
| error = true; | |
| msg = request.getParameter("error"); | |
| } | |
| if (request.getParameter("info") != null) { | |
| info = true; | |
| msg = request.getParameter("info"); | |
| } | |
| /* | |
| ** Form Parsing | |
| */ | |
| if (request.getParameter("name") == "") { | |
| error = true; | |
| msg = msg + "Kein Name angegeben!<br>"; | |
| form.setProperty("name","error"); | |
| } else { | |
| form.setProperty("name",request.getParameter("name")); | |
| } | |
| if (request.getParameter("vorname") == "") { | |
| error = true; | |
| msg = msg + "Kein Vorname angegeben!<br>"; | |
| form.setProperty("vorname","error"); | |
| } else { | |
| form.setProperty("vorname",request.getParameter("name")); | |
| } | |
| if (request.getParameter("strasse") == "") { | |
| error = true; | |
| msg = msg + "Keine Strasse angegeben!<br>"; | |
| form.setProperty("strasse","error"); | |
| } else { | |
| form.setProperty("strasse",request.getParameter("strasse")); | |
| } | |
| if (request.getParameter("hausnummer") == "") { | |
| error = true; | |
| msg = msg + "Keine Hausnummer angegeben!<br>"; | |
| form.setProperty("hausnummer","error"); | |
| } else { | |
| String num = request.getParameter("hausnummer"); | |
| // Prüfe ob nummer | |
| try { | |
| Integer.parseInt( num ); | |
| form.setProperty("hausnummer",num); | |
| } catch( Exception e){ | |
| error = true; | |
| msg = msg + "Hausnummer ist keine Zahl!<br>"; | |
| form.setProperty("hausnummer","error"); | |
| } | |
| } | |
| if (request.getParameter("land") == "") { | |
| error = true; | |
| msg = msg + "Kein Land angegeben!<br>"; | |
| form.setProperty("land","error"); | |
| } else { | |
| form.setProperty("land",request.getParameter("land")); | |
| } | |
| if (request.getParameter("plz") == "") { | |
| error = true; | |
| msg = msg + "Keine PLZ angegeben!<br>"; | |
| form.setProperty("plz","error"); | |
| } else { | |
| form.setProperty("plz",request.getParameter("plz")); | |
| } | |
| if (request.getParameter("ort") == "") { | |
| error = true; | |
| msg = msg + "Kein Ort angegeben!<br>"; | |
| form.setProperty("ort","error"); | |
| } else { | |
| form.setProperty("ort",request.getParameter("ort")); | |
| } | |
| if (!error){ | |
| try { | |
| // Erstelle datei falls unexistent | |
| File file = new File("adresses.txt"); | |
| boolean success = file.createNewFile(); | |
| // Datei lesen | |
| BufferedReader in = new BufferedReader(new FileReader("adresses.txt")); | |
| String str; | |
| while ((str = in.readLine()) != null) { | |
| oldcontent = oldcontent+str; | |
| } | |
| in.close(); | |
| // Neue zeile erstellen | |
| String xout = form.getProperty("name") + "::" | |
| + form.getProperty("vorname") + "::" | |
| + form.getProperty("strasse") + "::" | |
| + form.getProperty("hausnummer") + "::" | |
| + form.getProperty("land") + "::" | |
| + form.getProperty("plz") + "::" | |
| + form.getProperty("ort"); | |
| FileWriter fstream = new FileWriter("adresses.txt"); | |
| BufferedWriter cout = new BufferedWriter(fstream); | |
| oldcontent = oldcontent+";;"+xout; | |
| cout.write(oldcontent); | |
| cout.close(); | |
| } catch (Exception e) { | |
| error = true; | |
| msg = e.getMessage(); | |
| } | |
| } | |
| } | |
| // Generell Datei nochmal lesen Lese Datei | |
| BufferedReader in = new BufferedReader(new FileReader("adresses.txt")); | |
| String str; | |
| while ((str = in.readLine()) != null) { | |
| oldcontent = oldcontent+str; | |
| } | |
| in.close(); | |
| %> | |
| <script type="text/javascript"> | |
| function color_wrong_elements(){ | |
| <% | |
| if(request.getParameter("sent") != null){ | |
| String key; | |
| String value; | |
| for (Enumeration e = form.keys();e.hasMoreElements();) { | |
| key = (String) e.nextElement(); | |
| value = (String) form.get(key); | |
| if(value.equals("error")){ | |
| // Keine Ahnung was hier falsch geht, es ist 23:43 ich gebe offiziell auf | |
| out.print("document.getElementsById('"+key+"').className += ' red'; alert(document.getElementsById('"+key+"').className)\n"); | |
| } | |
| } | |
| } | |
| %> | |
| } | |
| </script> | |
| </head> | |
| <body onload="color_wrong_elements()"> | |
| <div id="box"> | |
| <h1>Form? Form!</h1> | |
| <% if(info) { %> | |
| <div id="info"><%= msg %></div> | |
| <% } %> | |
| <% if(error) { %> | |
| <div id="error"><%= msg %></div> | |
| <% } %> | |
| <table border="0"> | |
| <form action="./form.jsp" method="GET"><!-- HIER GEG. NAME ANPASSEN --> | |
| <input type="hidden" name="sent" value="true"> | |
| <tr> | |
| <td>Name</td> | |
| <td> | |
| <input type="text" name="name" id="name"> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td>Vorname</td> | |
| <td> | |
| <input type="text" name="vorname" id="vorname"> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td>Strasse</td> | |
| <td> | |
| <input type="text" name="strasse" class="w90" id="strasse"> | |
| <input type="text" name="hausnummer" class="w10" id="hausnummer"> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td>Land</td> | |
| <td> | |
| <input type="text" name="land" id="land"> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td>Plz/Ort</td> | |
| <td> | |
| <input type="text" class="w20" name="plz" id="plz"> | |
| <input class="w80" type="text" name="ort" id="ort"> | |
| </td> | |
| </tr> | |
| <tr> | |
| <td></td> | |
| <td><input type="submit" value="Speichern"></td> | |
| </tr> | |
| </form> | |
| </table> | |
| </div> | |
| <table border="0" class="list"> | |
| <tr> | |
| <th>Name</th> | |
| <th>Vorname</th> | |
| <th>Strasse</th> | |
| <th>Nr.</th> | |
| <th>Land</th> | |
| <th>PLZ</th> | |
| <th>Ort</th> | |
| </tr> | |
| <% | |
| // List entrys | |
| String[] lines = oldcontent.split(";;"); | |
| String[] entry; | |
| for(String item: lines) { | |
| if(item != ""){ | |
| entry = item.split("::"); | |
| out.print("<tr>\n"); | |
| try { | |
| for(String col: entry){ | |
| out.print(" <td>"+col+"</td>\n"); | |
| } | |
| } catch (Exception e){ | |
| } | |
| out.print("</tr>\n"); | |
| } | |
| } | |
| %> | |
| </table> | |
| </body> | |
| </html> |
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