cswsearchresult.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.WebGeometry;

import com.esri.solutions.jitk.common.metadata.IMetadataCatalog;
import com.esri.solutions.jitk.common.metadata.IMetadataDocument;
import com.esri.solutions.jitk.web.tasks.search.csw.actions.IActionHandler;
import com.esri.solutions.jitk.web.tasks.search.csw.actions.IMetadataAwareActionHandler;

import org.apache.log4j.Logger;

import java.util.List;
import java.util.Map;


public class CswSearchResult implements ICswSearchResult {
    /**
     * {@link Logger} used to log messages for this class.
     */
    private static final Logger _logger = Logger.getLogger(CswSearchResult.class);

    /**
     * Reference to the {@link IMetadataCatalog}.
     */
    private IMetadataCatalog m_catalog = null;

    /**
     * Reference to the {@link IMetadataDocument}.
     */
    private IMetadataDocument m_document = null;

    /**
     * Name of the CS/W search result.
     */
    private String m_displayName = null;

    /**
     * {@link Map} containing the search result's information.
     */
    private Map<String, String> m_details = null;

    /**
     * {@link Boolean} value indicating whether or not the result
     * is live data or map.
     */
    private boolean m_isLiveDataOrMap = Boolean.FALSE;

    /**
     * Reference to the ADF's {@link WebContext}.
     */
    private WebContext m_context = null;

    /**
     * Reference to the search result's ADF {@link WebGeometry}.
     */
    private WebGeometry m_geometry = null;

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

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setWebContext(com.esri.adf.web.data.WebContext)
     */
    public void setWebContext(WebContext webContext) {
        if (webContext == null) {
            throw new NullPointerException("WebContext cannot be null");
        }

        m_context = webContext;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setMetadataCatalog(com.esri.solutions.jitk.common.metadata.IMetadataCatalog)
     */
    public void setMetadataCatalog(IMetadataCatalog catalog) {
        if (catalog == null) {
            throw new NullPointerException("catalog cannot be null");
        }

        m_catalog = catalog;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setMetadataDocument(com.esri.solutions.jitk.common.metadata.IMetadataDocument)
     */
    public void setMetadataDocument(IMetadataDocument document) {
        if (document == null) {
            throw new NullPointerException("document cannot be null");
        }

        m_document = document;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setActionHandlers(java.util.List)
     */
    public void setActionHandlers(List<IActionHandler> actionHandlers) {
        m_actionHandlers = actionHandlers;

        initActionHandlers();
    }

    /**
     * Name of the CS/W search result.
     *
     * @return {@link String} name.
     */
    public String getDisplayName() {
        return m_displayName;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#isLiveDataOrMap()
     */
    public boolean isLiveDataOrMap() {
        return m_isLiveDataOrMap;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setLiveDataOrMap(boolean)
     */
    public void setLiveDataOrMap(boolean live) {
        m_isLiveDataOrMap = live;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setDisplayName(java.lang.String)
     */
    public void setDisplayName(String name) {
        m_displayName = name;
    }

    /**
     * Gets the {@link Map} of information for the search result.
     * Key/Value pair.
     *
     * @return {@link Map} of details for the search result.
     */
    public Map<String, String> getDetails() {
        return m_details;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setDetails(java.util.Map)
     */
    public void setDetails(Map<String, String> details) {
        m_details = details;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#setWebGeometry(com.esri.adf.web.data.geometry.WebGeometry)
     */
    public void setWebGeometry(WebGeometry geom) {
        m_geometry = geom;
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#executeAction()
     */
    public void executeAction() {
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.search.csw.ICswSearchResult#executeAction(java.lang.String)
     */
    public void executeAction(String actionName) {
        IActionHandler action = null;

        for (IActionHandler ah : m_actionHandlers) {
            if (ah.getName().equalsIgnoreCase(actionName)) {
                action = ah;

                break;
            }
        }

        if (action == null) {
            _logger.warn("No action handler found for action: [" + actionName +
                "]");

            return;
        }

        action.setWebContext(m_context);
        action.setWebGeometry(m_geometry);

        if (action instanceof IMetadataAwareActionHandler) {
            IMetadataAwareActionHandler mdAwareAction = (IMetadataAwareActionHandler) action;

            mdAwareAction.setMetadataCatalog(m_catalog);
            mdAwareAction.setMetadataDocument(m_document);
        }

        action.execute();
    }

    protected void initActionHandlers() {
        for (IActionHandler action : m_actionHandlers) {
            action.setWebContext(m_context);
            action.setWebGeometry(m_geometry);

            if (action instanceof IMetadataAwareActionHandler) {
                IMetadataAwareActionHandler mdAwareAction = (IMetadataAwareActionHandler) action;

                mdAwareAction.setMetadataCatalog(m_catalog);
                mdAwareAction.setMetadataDocument(m_document);
            }
        }
    }
}