com.comcast.cdn.traffic_control.traffic_monitor.wicket.components.CacheDetailsPage.java Source code

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Here is the source code for com.comcast.cdn.traffic_control.traffic_monitor.wicket.components.CacheDetailsPage.java

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/*
 * Copyright 2015 Comcast Cable Communications Management, LLC
 *
 * Licensed 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 com.comcast.cdn.traffic_control.traffic_monitor.wicket.components;

import java.util.ArrayList;
import java.util.List;

import org.apache.log4j.Logger;
import org.apache.wicket.behavior.Behavior;
import org.apache.wicket.markup.html.basic.Label;
import org.apache.wicket.markup.html.list.ListItem;
import org.apache.wicket.markup.html.list.ListView;
import org.apache.wicket.request.mapper.parameter.PageParameters;
import org.apache.wicket.util.time.Duration;

import com.comcast.cdn.traffic_control.traffic_monitor.KeyValue;
import com.comcast.cdn.traffic_control.traffic_monitor.MonitorPage;
import com.comcast.cdn.traffic_control.traffic_monitor.health.CacheState;
import com.comcast.cdn.traffic_control.traffic_monitor.wicket.behaviors.MultiUpdatingTimerBehavior;

public class CacheDetailsPage extends MonitorPage {
    private static final Logger LOGGER = Logger.getLogger(CacheDetailsPage.class);
    private static final long serialVersionUID = 1L;

    public CacheDetailsPage(final PageParameters pars) {
        this(pars.get("hostname").toString());
    }

    public CacheDetailsPage(final String hostnameStr) {
        final Behavior updater = new MultiUpdatingTimerBehavior(Duration.seconds(1));
        final Label hostname = new Label("hostname", hostnameStr);
        hostname.add(updater);
        add(hostname);

        List<KeyValue> jsonValues = null;
        try {
            final CacheState atsState = CacheState.getState(hostnameStr);
            jsonValues = atsState.getModelList();
        } catch (Exception e) {
            LOGGER.warn(e, e);
            jsonValues = new ArrayList<KeyValue>();
            jsonValues.add(new KeyValue("Error", e.toString()));
        }
        final ListView<KeyValue> servers = new ListView<KeyValue>("params", jsonValues) {
            private static final long serialVersionUID = 1L;

            @Override
            protected void populateItem(final ListItem<KeyValue> item) {
                final KeyValue keyval = (KeyValue) item.getModelObject();
                item.add(new Label("key", keyval.getKey()));
                final Label v = new Label("value", keyval);
                v.add(updater);
                item.add(v);
            }
        };
        add(servers);
    }
}