com.liferay.sampledrools.action.ConfigurationActionImpl.java Source code

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Here is the source code for com.liferay.sampledrools.action.ConfigurationActionImpl.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.sampledrools.action;

import com.liferay.portal.kernel.bi.rules.RulesEngineException;
import com.liferay.portal.kernel.bi.rules.RulesEngineUtil;
import com.liferay.portal.kernel.bi.rules.RulesLanguage;
import com.liferay.portal.kernel.bi.rules.RulesResourceRetriever;
import com.liferay.portal.kernel.log.Log;
import com.liferay.portal.kernel.log.LogFactoryUtil;
import com.liferay.portal.kernel.portlet.DefaultConfigurationAction;
import com.liferay.portal.kernel.resource.StringResourceRetriever;
import com.liferay.portal.kernel.servlet.SessionErrors;
import com.liferay.portal.kernel.servlet.SessionMessages;
import com.liferay.portal.kernel.util.ArrayUtil;
import com.liferay.portal.kernel.util.Constants;
import com.liferay.portal.kernel.util.ParamUtil;
import com.liferay.portal.kernel.util.PortalClassLoaderUtil;
import com.liferay.portal.kernel.util.StringUtil;
import com.liferay.portal.kernel.util.Validator;
import com.liferay.portal.util.PortalUtil;

import javax.portlet.ActionRequest;
import javax.portlet.ActionResponse;
import javax.portlet.PortletConfig;
import javax.portlet.PortletPreferences;

/**
 * @author Michael C. Han
 */
public class ConfigurationActionImpl extends DefaultConfigurationAction {

    @Override
    public void processAction(PortletConfig portletConfig, ActionRequest actionRequest,
            ActionResponse actionResponse) throws Exception {

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

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

        String portletResource = ParamUtil.getString(actionRequest, "portletResource");

        PortletPreferences preferences = actionRequest.getPreferences();

        updatePreferences(actionRequest, preferences);

        if (SessionErrors.isEmpty(actionRequest)) {
            preferences.store();

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

    protected void updatePreferences(ActionRequest actionRequest, PortletPreferences preferences) throws Exception {

        String domainName = ParamUtil.getString(actionRequest, "domainName");
        String rules = ParamUtil.getString(actionRequest, "rules");
        String userCustomAttributeNames = ParamUtil.getString(actionRequest, "userCustomAttributeNames");
        long[] classNameIds = StringUtil.split(ParamUtil.getString(actionRequest, "classNameIds"), 0L);

        if (Validator.isNull(domainName)) {
            SessionErrors.add(actionRequest, "domainName");
        } else if (Validator.isNull(rules)) {
            SessionErrors.add(actionRequest, "rules");
        } else if (classNameIds.length == 0) {
            SessionErrors.add(actionRequest, "classNameIds");
        } else {
            RulesResourceRetriever rulesResourceRetriever = new RulesResourceRetriever(
                    new StringResourceRetriever(rules), String.valueOf(RulesLanguage.DROOLS_RULE_LANGUAGE));

            try {
                RulesEngineUtil.update(domainName, rulesResourceRetriever, PortalClassLoaderUtil.getClassLoader());
            } catch (RulesEngineException ree) {
                _log.error(ree, ree);

                SessionErrors.add(actionRequest, "rulesEngineException");
            }
        }

        if (SessionErrors.isEmpty(actionRequest)) {
            preferences.setValue("rules", rules);
            preferences.setValue("domain-name", domainName);
            preferences.setValue("user-custom-attribute-names", userCustomAttributeNames);
            preferences.setValues("class-name-ids", ArrayUtil.toStringArray(classNameIds));
        }
    }

    private static Log _log = LogFactoryUtil.getLog(ConfigurationActionImpl.class);

}