org.openmrs.notification.web.ForEachAlertTag.java Source code

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Here is the source code for org.openmrs.notification.web.ForEachAlertTag.java

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/**
 * This Source Code Form is subject to the terms of the Mozilla Public License,
 * v. 2.0. If a copy of the MPL was not distributed with this file, You can
 * obtain one at http://mozilla.org/MPL/2.0/. OpenMRS is also distributed under
 * the terms of the Healthcare Disclaimer located at http://openmrs.org/license.
 *
 * Copyright (C) OpenMRS Inc. OpenMRS is a registered trademark and the OpenMRS
 * graphic logo is a trademark of OpenMRS Inc.
 */
package org.openmrs.notification.web;

import java.util.Iterator;
import java.util.List;

import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.jstl.core.LoopTagSupport;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.User;
import org.openmrs.api.context.Context;
import org.openmrs.notification.Alert;
import org.openmrs.notification.AlertService;

public class ForEachAlertTag extends LoopTagSupport {

    public static final long serialVersionUID = 1232300L;

    private final Log log = LogFactory.getLog(getClass());

    private User user = null;

    private Boolean includeRead = false;

    private Boolean includeExpired = false;

    private Iterator<?> alerts;

    public void prepare() throws JspTagException {

        alerts = null;

        try {
            AlertService as = Context.getAlertService();
            if (user == null) {
                List<Alert> alertList = as.getAlertsByUser(null);
                log.debug("alertList.size: " + alertList.size());
                alerts = alertList.iterator();
            } else {
                List<Alert> alertList = as.getAlerts(user, includeRead, includeExpired);
                log.debug("alertList.size: " + alertList.size());
                alerts = alertList.iterator();
            }

            setVar("alert");
            setVarStatus("varStatus");

        } catch (Exception e) {
            log.error(e);
        }
    }

    @Override
    protected boolean hasNext() throws JspTagException {
        if (alerts == null) {
            return false;
        }
        return alerts.hasNext();
    }

    @Override
    protected Object next() throws JspTagException {
        if (alerts == null) {
            throw new JspTagException("The alert iterator is null");
        }
        return alerts.next();
    }

    @Override
    public void release() {
        // Clean out the variables
        user = null;
        includeRead = false;
        includeExpired = false;
    }

    public Boolean getIncludeExpired() {
        return includeExpired;
    }

    public void setIncludeExpired(Boolean includeExpired) {
        this.includeExpired = includeExpired;
    }

    public Boolean getIncludeRead() {
        return includeRead;
    }

    public void setIncludeRead(Boolean includeRead) {
        this.includeRead = includeRead;
    }

    public User getUser() {
        return user;
    }

    public void setUser(User user) {
        this.user = user;
    }
}