defaultopenmapcomposition.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.mapcomp;

import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.UUID;

import org.apache.log4j.LogManager;
import org.apache.log4j.Logger;

import com.esri.adf.web.ags.data.AGSLocalMapResource;
import com.esri.adf.web.ags.data.AGSMapFunctionality;
import com.esri.adf.web.ags.data.AGSMapResource;
import com.esri.adf.web.data.GISResource;
import com.esri.adf.web.data.MapFunctionality;
import com.esri.adf.web.data.geometry.WebExtent;
import com.esri.adf.web.data.geometry.WebSpatialReference;
import com.esri.arcgisws.LayerDescription;
import com.esri.arcgisws.MapLayerInfo;
import com.esri.solutions.jitk.common.personalization.ADFPersonalizationContext;
import com.esri.solutions.jitk.common.personalization.IPersonalizable;
import com.esri.solutions.jitk.common.personalization.IPersonalizationContext;
import com.esri.solutions.jitk.personalization.PersonalizationException;
import com.esri.solutions.jitk.personalization.data.IMapComposition;
import com.esri.solutions.jitk.personalization.data.beans.v1.AgsInternetServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.AgsLocalServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.ArcImsInternetServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.ArcImsTcpServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.AttributeCollectionType;
import com.esri.solutions.jitk.personalization.data.beans.v1.AttributeType;
import com.esri.solutions.jitk.personalization.data.beans.v1.EnvelopeNType;
import com.esri.solutions.jitk.personalization.data.beans.v1.LayerListType;
import com.esri.solutions.jitk.personalization.data.beans.v1.LayerType;
import com.esri.solutions.jitk.personalization.data.beans.v1.MapCompositionType;
import com.esri.solutions.jitk.personalization.data.beans.v1.ServiceListType;
import com.esri.solutions.jitk.personalization.data.beans.v1.WcsServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.WfsServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.WmsServiceType;
import com.esri.solutions.jitk.personalization.data.beans.v1.LayerListType.LayerItemType;
import com.esri.solutions.jitk.personalization.data.beans.v1.ServiceListType.ServiceItemType;
import com.esri.solutions.jitk.web.data.WebContext;
import com.esri.solutions.jitk.web.tasks.resources.ResourceAdder;


/**
 * Default implementation of {@link IOpenMapComposition} in order to
 * provide a default implementation of opening a Map Composition within
 * the viewer.
 */
public class DefaultOpenMapComposition implements IPersonalizable,
    IOpenMapComposition {
	
    private static final String WARN_UNABLE_TO_FIND_LAYER_AGS = "Unable to find AGS Layer {0}, {1} in AGS Service {2}.";

    /**
     * Logger to use to log messages from this class.
     */
    private static final Logger LOG = LogManager.getLogger(DefaultOpenMapComposition.class);

    /**
     * List of messages that are generated by an operation.
     */
    private final List<String> m_messages;

    /**
     * Reference to Personalization Context for Personalization data and functions.
     */
    private IPersonalizationContext m_persCtx;
    
    /**
     * Reference to object to convert between Map Composition Beans
     * and ADF objects.
     */
	private IBeanToADFConverter m_converter;

    /**
     * Constructs a new <code>DefaultOpenMapComposition</code>
     * object.
     */
    public DefaultOpenMapComposition() {
        m_messages = new ArrayList<String>();
        m_converter = new DefaultBeanToADFConverter();
    }

    /*
     * (non-Javadoc)
     * @see com.esri.solutions.jitk.web.tasks.mapcomp.IOpenMapComposition#open(com.esri.solutions.jitk.personalization.data.IMapComposition)
     */
    public void open(IMapComposition mc) throws PersonalizationException {
        if (mc == null) {
            throw new NullPointerException();
        }

        MapCompositionType mcData = mc.getMapComposition();

        applyBackgroundColor(mcData);
        applyServices(mcData);
        m_persCtx.getWebContext().setInit(true);
        
        applySpatialReference(mcData);
        applyFullExtent(mcData);
        applyExtent(mcData);

        //m_persCtx.getWebContext().refresh();
        
        m_persCtx.setAttribute(ADFPersonalizationContext.CURRENT_MAP_COMPOSITION_KEY,
            mc);
    }

    /**
     * Applies the extent information contained within the Map Composition
     * to the WebContext.
     * 
     * @param mcData	Map Composition data.
     */
    protected void applyExtent(MapCompositionType mcData) {
        
    	WebExtent extent = null;
        EnvelopeNType initial = mcData.getInitialEnvelope();

        if (initial != null) {
            extent = new WebExtent();
            extent.setMinX(initial.getXMin());
            extent.setMinY(initial.getYMin());
            extent.setMaxX(initial.getXMax());
            extent.setMaxY(initial.getYMax());

            if (initial.getSpatialReference() != null) {
                WebSpatialReference wsr = WebSpatialReference.getWebSpatialReference(initial.getSpatialReference()
                                                                                            .getWKT());
                extent.setSpatialReference(wsr);
            }

            m_persCtx.getWebContext().getWebMap().setCurrentExtent(extent);
        }
    }

    /**
     * Applies the Full Extent that was saved within the Map Composition
     * and sets it within the {@link WebContext}.  This keeps the Map
     * constrained to a Full Extent that is within the Spatial
     * Reference's horizon.
     * 
     * @param mcData	Map Composition data.
     */
    protected void applyFullExtent (MapCompositionType mcData) {
    	if (!(m_persCtx.getWebContext() instanceof WebContext)) {
    		LOG.warn("Cannot apply Full Extent correctly, because WebContext is not instance of " + WebContext.class.getName());
    		return;
    	}
    	
    	AttributeCollectionType attrs = mcData.getAttributes();
    	
    	if (attrs == null) {
    		return;
    	}
    	
    	AttributeType fullExtentAttr = null;
    	for (Object o : attrs.getAttribute()) {
    		if (!(o instanceof AttributeType)) {
    			continue;
    		}
    		AttributeType attr = (AttributeType) o;
    		if (attr.getName() == null) {
    			continue;
    		}
    		if (attr.getName().equals("FullExtent")) {
    			fullExtentAttr = attr;
    			break;
    		}
    	}
    	
    	if (fullExtentAttr == null) {
    		return;
    	}
    	
    	String fullExtentStr = fullExtentAttr.getValue();
    	
    	if (fullExtentStr == null) {
    		return;
    	}
    	
    	String[] fullExtentArr = fullExtentStr.split(",", 5);
    	WebExtent fullExtent = new WebExtent();
    	fullExtent.setMinX(Double.valueOf(fullExtentArr[0]));
    	fullExtent.setMinY(Double.valueOf(fullExtentArr[1]));
    	fullExtent.setMaxX(Double.valueOf(fullExtentArr[2]));
    	fullExtent.setMaxY(Double.valueOf(fullExtentArr[3]));
    	
    	WebSpatialReference sr = WebSpatialReference.getWebSpatialReference(fullExtentArr[4]);
    	fullExtent.setSpatialReference(sr);
    	
    	((WebContext)m_persCtx.getWebContext()).setMapFullExtent(fullExtent);
    }
    
    /**
     * Applies the Spatial Reference information contained within
     * the Map Composition to the WebContext.
     * 
     * @param mcData	Map Composition Data.
     */
    protected void applySpatialReference(MapCompositionType mcData) {
        WebSpatialReference wsr = null;

        if (mcData.getSpatialReference() != null) {
            wsr = WebSpatialReference.getWebSpatialReference(mcData.getSpatialReference()
                                                                   .getWKT());
            m_persCtx.getWebContext().setSpatialReference(wsr);
        }
    }

    /**
     * Uses the Map Composition Data to apply the Map Services within the
     * Map Composition to the Map Viewer.
     *
     * @param mcData        Map Composition Data, cannot be <code>null</code>.
     *
     * @throws NullPointerException                Thrown if the <code>mcData</code>
     *                                                                         argument is <code>null</code>.
     */
    @SuppressWarnings("unchecked")
    protected void applyServices(MapCompositionType mcData) {
        ResourceAdder resourceAdder = null;
        GISResource resource = null;

        if (mcData == null) {
            throw new NullPointerException();
        }

        resourceAdder = new ResourceAdder();
        resourceAdder.setWebContext(m_persCtx.getWebContext());

        Map<String, GISResource> newResources = new LinkedHashMap<String, GISResource>();
        

        ServiceListType servicesList = mcData.getServices();
        List services = new ArrayList(servicesList.getServiceItem());

        for (Iterator i = services.iterator(); i.hasNext();) {
            ServiceItemType service = (ServiceItemType) i.next();
            String id = UUID.randomUUID().toString();
            
            if (service.getAgsInternetService() != null) {
                AgsInternetServiceType agsInet = service.getAgsInternetService();

                resource = m_converter.createAGSMapResource(agsInet);
                newResources.put(id, resource);
            } else if (service.getAgsLocalService() != null) {
                AgsLocalServiceType agsLocal = service.getAgsLocalService();

                resource = m_converter.createAGSLocalMapResource(agsLocal);
                newResources.put(id, resource);
            } else if (service.getArcImsInternetService() != null) {
                ArcImsInternetServiceType aimsInet = service.getArcImsInternetService();

                resource = m_converter.createAIMSMapResource(aimsInet);
                newResources.put(id, resource);
            } else if (service.getArcImsTcpService() != null) {
                ArcImsTcpServiceType aimsTcp = service.getArcImsTcpService();

                resource = m_converter.createAIMSMapResource(aimsTcp);
                newResources.put(id, resource);
            } else if (service.getWmsService() != null) {