com.liferay.stocks.portlet.StocksPortlet.java Source code

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Here is the source code for com.liferay.stocks.portlet.StocksPortlet.java

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/**
 * Copyright (c) 2000-present Liferay, Inc. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or modify it under
 * the terms of the GNU Lesser General Public License as published by the Free
 * Software Foundation; either version 2.1 of the License, or (at your option)
 * any later version.
 *
 * This library is distributed in the hope that it will be useful, but WITHOUT
 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
 * details.
 */

package com.liferay.stocks.portlet;

import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.StringPool;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.util.PortalUtil;
import com.liferay.portlet.PortletPreferencesFactoryUtil;
import com.liferay.stocks.util.PortletKeys;
import com.liferay.portal.kernel.portlet.bridges.mvc.MVCPortlet;

import java.io.IOException;

import java.util.Arrays;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletException;
import javax.portlet.PortletPreferences;
import javax.portlet.ValidatorException;

/**
 * @author Brian Wing Shun Chan
 */
public class StocksPortlet extends MVCPortlet {

    @Override
    public void processAction(ActionRequest actionRequest, ActionResponse actionResponse)
            throws IOException, PortletException {

        updatePreferences(actionRequest, actionResponse);
    }

    protected void updatePreferences(ActionRequest actionRequest, ActionResponse actionResponse)
            throws IOException, PortletException {

        String cmd = ParamUtil.getString(actionRequest, Constants.CMD);

        if (!cmd.equals(Constants.UPDATE)) {
            return;
        }

        PortletPreferences portletPreferences = null;

        try {
            portletPreferences = PortletPreferencesFactoryUtil
                    .getPortletPreferences(PortalUtil.getHttpServletRequest(actionRequest), PortletKeys.STOCKS);
        } catch (Exception e) {
            throw new PortletException(e);
        }

        String[] symbols = StringUtil.split(StringUtil.toUpperCase(ParamUtil.getString(actionRequest, "symbols")),
                StringPool.SPACE);

        Arrays.sort(symbols);

        portletPreferences.setValues("symbols", symbols);

        try {
            portletPreferences.store();
        } catch (ValidatorException ve) {
            SessionErrors.add(actionRequest, ValidatorException.class.getName(), ve);

            return;
        }

        SessionMessages.add(actionRequest,
                PortalUtil.getPortletId(actionRequest) + SessionMessages.KEY_SUFFIX_UPDATED_PREFERENCES);
    }

}