Grosse MàJ

P51/apache-tomcat-6.0.14/webapps/examples/WEB-INF/classes/sessions/DummyCart.java

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+/*
+* Licensed to the Apache Software Foundation (ASF) under one or more
+* contributor license agreements.  See the NOTICE file distributed with
+* this work for additional information regarding copyright ownership.
+* The ASF licenses this file to You under the Apache License, Version 2.0
+* (the "License"); you may not use this file except in compliance with
+* the License.  You may obtain a copy of the License at
+*
+*     http://www.apache.org/licenses/LICENSE-2.0
+*
+* Unless required by applicable law or agreed to in writing, software
+* distributed under the License is distributed on an "AS IS" BASIS,
+* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+* See the License for the specific language governing permissions and
+* limitations under the License.
+*/
+package sessions;
+
+import javax.servlet.http.*;
+import java.util.Vector;
+
+public class DummyCart {
+    Vector<String> v = new Vector<String>();
+    String submit = null;
+    String item = null;
+    
+    private void addItem(String name) {
+        v.addElement(name);
+    }
+
+    private void removeItem(String name) {
+        v.removeElement(name);
+    }
+
+    public void setItem(String name) {
+        item = name;
+    }
+    
+    public void setSubmit(String s) {
+        submit = s;
+    }
+
+    public String[] getItems() {
+        String[] s = new String[v.size()];
+        v.copyInto(s);
+        return s;
+    }
+    
+    public void processRequest(HttpServletRequest request) {
+        // null value for submit - user hit enter instead of clicking on 
+        // "add" or "remove"
+        if (submit == null) 
+            addItem(item);
+
+        if (submit.equals("add"))
+            addItem(item);
+        else if (submit.equals("remove")) 
+            removeItem(item);
+        
+        // reset at the end of the request
+        reset();
+    }
+
+    // reset
+    private void reset() {
+        submit = null;
+        item = null;
+    }
+}