com.norconex.jefmon.ws.JobSuiteProgressJsonPage Maven / Gradle / Ivy

Go to download
Show more of this group Show more artifacts with this name
Show all versions of norconex-jef-monitor Show documentation
JEF Monitor is a standalone web-based application offering a glance view of all running jobs, with possibilities to perform actions on them.
The newest version!
/* Copyright 2007-2014 Norconex Inc.
 *
 * 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.norconex.jefmon.ws;

import java.io.IOException;
import java.io.OutputStreamWriter;

import org.apache.commons.lang3.mutable.MutableInt;
import org.apache.wicket.WicketRuntimeException;
import org.apache.wicket.ajax.json.JSONException;
import org.apache.wicket.ajax.json.JSONWriter;
import org.apache.wicket.markup.MarkupType;
import org.apache.wicket.markup.html.WebPage;
import org.apache.wicket.model.IModel;
import org.apache.wicket.request.Response;
import org.apache.wicket.request.mapper.parameter.PageParameters;

import com.norconex.jef4.status.JobState;
import com.norconex.jefmon.JEFMonConfig;
import com.norconex.jefmon.JEFMonSession;
import com.norconex.jefmon.instances.InstancesManager;
import com.norconex.jefmon.instances.InstanceSummary;

@SuppressWarnings("nls")
public class JobSuiteProgressJsonPage extends WebPage {

    private static final long serialVersionUID = -1277433265344131627L;

    public JobSuiteProgressJsonPage() {
    }

    public JobSuiteProgressJsonPage(IModel model) {
        super(model);
    }

    public JobSuiteProgressJsonPage(PageParameters pageParameters) {
        super(pageParameters);
    }

    @Override
    public MarkupType getMarkupType() {
        return new MarkupType("json", "application/json");
    }

    @Override
    public void renderPage() {
        JEFMonConfig monitorConfig =
                ((JEFMonSession) getSession()).getConfig();
        if (monitorConfig == null) {
            return;
        }
        try {
            Response response = getRequestCycle().getResponse();
            OutputStreamWriter out =
                    new OutputStreamWriter(response.getOutputStream());

            InstanceSummary instance = 
                    InstancesManager.createThisJefMonInstance();
            JSONWriter writer = new JSONWriter(out)
                .object()
                    .key("name").value(instance.getName())
                    .key("total").value(instance.getTotalRoots())
                    .key("statuses").object();
            for (JobState status : instance.getStatuses().keySet()) {
                MutableInt value = instance.getStatuses().get(status);
                if (status == null) {
                    writer.key("").value(value);
                } else {
                    writer.key(status.toString()).value(value);
                }
            }
            writer.endObject();
            writer.endObject();
            out.flush();
        } catch (IOException e) {
            throw new WicketRuntimeException("Cannot flush JSON response.", e);
        } catch (JSONException e) {
            throw new WicketRuntimeException("Cannot create JSON response.", e);
        }
    }

}