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Added TreeView and ObjectView

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joss 2025-05-20 20:35:47 +02:00
parent 50f80d3397
commit a35d259fd8
4 changed files with 82 additions and 2 deletions
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2
src/Main.java
View file

@ -29,6 +29,8 @@ public class Main {
s.createContext("/", new RootView());
s.createContext("/main", new StartView());
s.createContext("/auth", new AuthView());
s.createContext("/tree", new TreeView());
s.createContext("/object", new ObjectView());
s.setExecutor(null);
s.start();
} catch (IOException e) {

4
src/views/Defaults.java
View file

@ -5,7 +5,7 @@ package hsmw.jotto5.beleg.views;
*/
public class Defaults {
public static final String HTMLHEADER = "<!DOCTYPE html><html><title>Beleg SoSe 2025</title><link rel=stylesheet href=\"/style.css\"><head></head><body><main>";
public static final String HTMLFOOTER = "</main></body></html>";
public static final String HTMLHEADER = "<!DOCTYPE html><html><title>Beleg SoSe 2025</title><link rel=stylesheet href=\"/style.css\"><head></head><body><div id=\"content\"><main><hr>";
public static final String HTMLFOOTER = "</main><footer><i><center>Hier k&ouml;nnte ihr Text stehen!</center></i></footer></div></body></html>";
}

57
src/views/ObjectView.java Normal file
View file

@ -0,0 +1,57 @@
package hsmw.jotto5.beleg.views;
import hsmw.jotto5.beleg.data.DataObject;
import hsmw.jotto5.beleg.data.Model;
import java.io.IOException;
import java.io.OutputStream;
import com.sun.net.httpserver.*;
import java.lang.reflect.*;
public class ObjectView implements HttpHandler {
public void handle(HttpExchange t) throws IOException {
String response;
String objectPath;
OutputStream os;
Model m = Model.getModel();
DataObject obj = null;
// Das angefragte Objekt finden
objectPath = t.getRequestURI().toString();
if (objectPath.length() >= 9) {
objectPath = objectPath.substring(8);
obj = m.get(objectPath);
}
if ( obj == null ) return; // TODO: 404 oder 500 zurückgeben!
// Die Tabelle ausgeben
response = Defaults.HTMLHEADER + "<h1>Beleg - Objektansicht</h1>";
response += "<table class=\"objecttable\">";
try {
for (Field f : obj.getClass().getFields()) {
if (f.isAnnotationPresent(DataObject.WebField.class)) {
// Das Feld hat die "WebField"-Annotation, ist also anzuzeigen
response += "<tr><td>" + f.getAnnotation(DataObject.WebField.class).displayAs() + "</td>";
// Feld anzeigen
response += "<td><input type=\"text\" value=\"" + f.get(obj).toString() + "\" disabled /></td></tr>";
}
}
} catch(IllegalAccessException e) {
// hier sollten wir niemals her kommen
// TODO: 500 werfen
e.printStackTrace();
}
response += "</table><button>Speichern</button>";
response += Defaults.HTMLFOOTER;
os = t.getResponseBody();
t.sendResponseHeaders(200, response.length());
os.write(response.getBytes());
os.close();
}
}

21
src/views/TreeView.java Normal file
View file

@ -0,0 +1,21 @@
package hsmw.jotto5.beleg.views;
import java.io.IOException;
import java.io.OutputStream;
import com.sun.net.httpserver.*;
public class TreeView implements HttpHandler {
public void handle(HttpExchange t) throws IOException {
String response;
OutputStream os;
response = Defaults.HTMLHEADER + "<h1>Beleg - Objekt&uuml;bersicht</h1>" + Defaults.HTMLFOOTER;
os = t.getResponseBody();
t.sendResponseHeaders(200, response.length());
os.write(response.getBytes());
os.close();
}
}