Package org.jasig.portal.events.tincan.converters

Source Code of org.jasig.portal.events.tincan.converters.PortletExecutionEventConverter

/**
* Licensed to Jasig under one or more contributor license
* agreements. See the NOTICE file distributed with this work
* for additional information regarding copyright ownership.
* Jasig licenses this file to you 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 org.jasig.portal.events.tincan.converters;

import java.util.List;
import java.util.Locale;

import com.google.common.collect.ImmutableMap;
import com.google.common.collect.ImmutableMap.Builder;
import org.jasig.portal.events.PortalEvent;
import org.jasig.portal.events.PortletExecutionEvent;
import org.jasig.portal.events.aggr.portlets.AggregatedPortletLookupDao;
import org.jasig.portal.events.aggr.portlets.AggregatedPortletMapping;
import org.jasig.portal.events.tincan.om.LocalizedString;
import org.jasig.portal.events.tincan.om.LrsObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Required;


/**
* Generic xApi converter for PortletExecutionEvents.
*
* @author Josh Helmer, jhelmer@unicon.net
*/
public class PortletExecutionEventConverter extends AbstractPortalEventToLrsStatementConverter {
    private AggregatedPortletLookupDao aggregatedPortletLookupDao;
    private List<Class<? extends PortletExecutionEvent>> supportedEventTypes;
    private List<String> filterFNames;
    private FNameFilterType fnameFilterType = FNameFilterType.Blacklist;


    @Required
    public void setSupportedEventTypes(List<Class<? extends PortletExecutionEvent>> supportedEventTypes) {
        this.supportedEventTypes = supportedEventTypes;
    }


    public void setFilterFNames(List<String> filterFNames) {
        this.filterFNames = filterFNames;
    }


    public void setFnameFilterType(FNameFilterType fnameFilterType) {
        this.fnameFilterType = fnameFilterType;
    }


    @Autowired
    public void setAggregatedPortletLookupDao(final AggregatedPortletLookupDao aggregatedPortletLookupDao) {
        this.aggregatedPortletLookupDao = aggregatedPortletLookupDao;
    }


    @Override
    public boolean supports(PortalEvent event) {
        boolean postEvent = false;
        for (Class<?> cls : supportedEventTypes) {
            if (cls.isAssignableFrom(event.getClass())) {
                postEvent = true;
                break;
            }
        }

        if (postEvent && filterFNames != null) {

            PortletExecutionEvent execEvent = (PortletExecutionEvent)event;
            boolean foundFName = false;
            for (String fname : filterFNames) {
                if (fname != null && fname.equalsIgnoreCase(execEvent.getFname())) {
                    foundFName = true;
                    break;
                }
            }

            postEvent = fnameFilterType == FNameFilterType.Whitelist ?
                    foundFName : !foundFName;
        }

        return postEvent;
    }


    @Override
    protected LrsObject getLrsObject(PortalEvent event) {
        final String fname = ((PortletExecutionEvent)event).getFname();
        final AggregatedPortletMapping mappedPortletForFname = this.aggregatedPortletLookupDao.getMappedPortletForFname(fname);

        final Builder<String, LocalizedString> definitionBuilder = ImmutableMap.builder();
        definitionBuilder.put("name", new LocalizedString(Locale.US, mappedPortletForFname.getName()));

        return new LrsObject(
                buildUrn("portlet", fname),
                getDefaultObjectType(),
                definitionBuilder.build());
    }


    public static enum FNameFilterType {
        Whitelist,
        Blacklist
    }
}
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