cswsearchtaskbean.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.search.csw;

import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.geometry.WebExtent;
import com.esri.adf.web.data.geometry.WebPoint;
import com.esri.adf.web.data.geometry.WebPolygon;
import com.esri.adf.web.data.geometry.WebRing;
import com.esri.adf.web.data.results.ResultNode;
import com.esri.adf.web.data.results.WebResults;
import com.esri.adf.web.faces.event.TaskEvent;

import com.esri.solutions.jitk.common.csw.CswPersistenceObject;
import com.esri.solutions.jitk.common.csw.CswPersistenceService;
import com.esri.solutions.jitk.common.csw.ViewMetadataHelper;
import com.esri.solutions.jitk.common.metadata.BasicMetadataExporter;
import com.esri.solutions.jitk.common.metadata.IMetadataAware;
import com.esri.solutions.jitk.common.metadata.IMetadataCatalog;
import com.esri.solutions.jitk.common.metadata.IMetadataContext;
import com.esri.solutions.jitk.common.metadata.IMetadataDocument;
import com.esri.solutions.jitk.common.resources.TextResources;
import com.esri.solutions.jitk.datasources.ogc.csw.CswSearchCriteria;
import com.esri.solutions.jitk.personalization.PersonalizationException;
import com.esri.solutions.jitk.web.tasks.RenderControlledTask;
import com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler;

import org.apache.log4j.Logger;

import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.TreeMap;
import java.util.UUID;

import javax.faces.context.FacesContext;


public class CswSearchTaskBean extends RenderControlledTask
    implements IMetadataAware {
    /**
     * Static serial version ID.
     */
    private static final long serialVersionUID = 4845415221983877360L;

    /**
     * {@link Logger} used to log message for this class.
     */
    private static final Logger _logger = Logger.getLogger(CswSearchTaskBean.class);

    /**
     * Constant key for the Live data and/or maps result column.
     */
    private static final String RESULTS_DISPLAY_LIVE = "csw.display.live";

    /**
     * Constant key for the Title result column.
     */
    private static final String RESULTS_DISPLAY_TITLE = "csw.display.title";

    /**
     * Constant key for the ID result column.
     */
    private static final String RESULTS_DISPLAY_ID = "csw.display.id";

    /**
     * Constant key for the Abstract result column.
     */
    private static final String RESULTS_DISPLAY_ABSTRACT = "csw.display.abstract";

    /**
     * Constant key for the Brief result column.
     */
    private static final String RESULTS_DISPLAY_BRIEF = "csw.display.brief";

    /**
     * Constant key for the Summary result column.
     */
    private static final String RESULTS_DISPLAY_SUMMARY = "csw.display.summary";

    /**
     * Constant key for the Metadata result column.
     */
    private static final String RESULTS_DISPLAY_METADATA = "csw.display.metadata";

    /**
     * Constant key for the MetaUrl result column.
     */
    private static final String RESULTS_DISPLAY_METAURL = "csw.display.metaUrl";

    /**
     * Constant key for the Date Modified result column.
     */
    private static final String RESULTS_DISPLAY_DATEMODIFIED = "csw.display.date";
    private String _tab1 = null;
    private String _tab2 = null;
    private String _tab3 = null;
    private String _footerNoteTab1 = null;
    private String _footerNoteTab2 = null;
    private String _footerNoteTab3 = null;
    private String _legendDataCategories = null;
    private String _legendGeographicalExtent = null;
    private String _linkSelectAll = null;
    private String _linkUnselectAll = null;

    /**
     * Option to do an overlapping OGC geography extent CS/W search.
     */
    private boolean m_geogOverlapView = false;

    /**
     * Keyword CS/W search field.
     */
    private String m_searchTerm = null;

    /**
     * Selected CS/W catalog to search against.
     */
    private String m_selectCatalog = null;

    /**
     * {@link Map} of configured CS/W catalogs.
     *
     * <p>
     * The key will be the ID of the configured catalog and the
     * value will be the name of the catalog.
     * </p>
     */
    private Map<String, String> m_availableCatalogs = null;

    /**
     * {@link List} of stored CS/W queries that are represented as
     * {@link CswPersistenceObject}.
     */
    private List<CswPersistenceObject> m_availableQueries = null;

    /**
     * Flag to indicate that the GUI needs to refresh the list of
     * stored CS/W queries.
     */
    private boolean m_refreshAvailableQueries = true;

    /**
     * Number of CS/W records that will be returned from a
     * get records request.
     */
    private int m_maxFeaturesPerSearch = 10;

    /**
     * Reference to the {@link CswSearchTaskInfo} object.
     */
    private CswSearchTaskInfo m_taskInfo = null;

    /**
     * Value indicating if the advanced CS/W search options will be
     * used.
     */
    private boolean m_dataCategorySelectAll = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_agricultureDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_biologyDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_adminDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_atmosphericDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_businessDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_elevationDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_geologicalDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_humanDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_imageryDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_militaryDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_inlandWaterDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_locationsDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_oceansDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_cadastralDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_culturalDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_facilitiesDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_transportationDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_utilitiesDC = Boolean.TRUE;

    /**
     * CS/W Data Category option.
     */
    private boolean m_environmentDC = Boolean.TRUE;

    /**
     * {@link Map} of stored CS/W queries.
     *
     * <p>
     * The key will be the ID of the stored query and the
     * value will be the name of the stored query.
     * </p>
     */
    private Map<String, String> m_queries = null;

    /**
     * ID of the selected query used when loading a stored
     * CS/W query.
     */
    private String m_selectedQuery = null;

    /**
     * Name of the CS/W query.
     */
    private String m_saveQueryName = "Query";

    /**
     * Advanced CS/W search option that will tell the CS/W
     * service that only live data and/or maps are to be returned.
     */
    private boolean m_liveDataOrMaps = Boolean.TRUE;

    /**
     * Name of the uploaded file that is used when
     * importing a locally saved CS/W query.
     */
    private String m_uploadFilename = null;

    /**
     * ID of the uploaded CS/W query that is stored in session.
     */
    private String m_uploadId = null;

    /**
     * Value indicating if the saved query has been modified from
     * it's original state.
     */
    private boolean m_isQueryDirty = Boolean.FALSE;

    /**
     * Value indicating whether or not to use the advanced
     * CS/W query options.
     */
    private boolean m_useAdvancedQuery = Boolean.FALSE;

    /**
     * Description of the saved query.
     */
    private String m_saveQueryDescription = "";

    /**
     * Flag indicating if the client has opted to export
     * the CS/W query.
     */
    private boolean m_exportingSavedQuery = false;

    /**
     * Reference to a {@link ViewMetadataHelper} object that will be used
     * to view the actual metadata document.
     */
    private ViewMetadataHelper m_helper = null;

    /**
     * Reference to the {@link IMetadataContext} which is used to access
     * the CS/W metadata registry.
     */
    private IMetadataContext m_metadataContext = null;

    /**
     * Reference to the {@link CswPersistenceService} that is used to store
     * and retrieve CS/W queries to and from the data store.
     */
    private CswPersistenceService m_persistenceService = null;

    /**
     * {@link List} of configured columns that will be displayed in
     * the {@link WebResults}.
     */
    private List<String> m_resultColumns = null;

    /**
     * {@link List} of {@link IActionHandler}.
     */
    private List<IActionHandler> m_actionHandlers = null;

    /**
     * Fully qualified class name of the CS/W search class.
     */
    private String m_searchResultClass = null;

    /**
     * Value indicating if there are any saved queries in the database.
     */
    private boolean m_savedQueriesAvailable = false;

    /**
     * Value indicating if the data categories should be used in the search
     * query.
     */
    private boolean m_useDataCategories = false;

    /**
     * Default no-args constructor.
     */
    public CswSearchTaskBean() {
        super();

        m_availableCatalogs = new HashMap<String, String>();
        m_queries = new TreeMap<String, String>();
        m_taskInfo = new CswSearchTaskInfo();
        m_helper = new ViewMetadataHelper();

        setTaskInfo(m_taskInfo);
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.common.metadata.IMetadataAware#setMetadataContext(com.esri.solutions.jitk.common.metadata.IMetadataContext)
     */
    public void setMetadataContext(IMetadataContext context) {
        if (context == null) {
            throw new NullPointerException("context cannot be null");
        }

        m_metadataContext = context;

        init();
    }

    /**
     * Sets the {@link List} of {@link IActionHandler} object that will be
     * available for CS/W search results.
     *
     * @param actionHandlers
     */
    public void setActionHandlers(List<IActionHandler> actionHandlers) {