    /*
     * 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 cal;

    import java.util.Map;
    import java.util.concurrent.ConcurrentHashMap;

    import javax.servlet.http.HttpServletRequest;

    public class Entries {

        private final Map<String, Entry> entries;
        private static final String[] time = { "8am", "9am", "10am", "11am",
                "12pm", "1pm", "2pm", "3pm", "4pm", "5pm", "6pm", "7pm", "8pm" };
        public static final int rows = 12;

        public Entries() {
            entries = new ConcurrentHashMap<>(rows);
            for (int i = 0; i < rows; i++) {
                entries.put(time[i], new Entry(time[i]));
            }
        }

        public int getRows() {
            return rows;
        }

        public Entry getEntry(int index) {
            return this.entries.get(time[index]);
        }

        public int getIndex(String tm) {
            for (int i = 0; i < rows; i++) {
                if (tm.equals(time[i])) {
                    return i;
                }
            }
            return -1;
        }

        public void processRequest(HttpServletRequest request, String tm) {
            int index = getIndex(tm);
            if (index >= 0) {
                String descr = request.getParameter("description");
                entries.get(time[index]).setDescription(descr);
            }
        }

    }