formbookmarkpersister.java

esri的ArcGIS Server超级学习模板程序（for java）

package com.esri.solutions.jitk.web.tasks.navigation.bookmark;

import java.util.UUID;
import com.esri.adf.web.data.WebContext;
import com.esri.adf.web.data.WebContextInitialize;
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.IBookmark;
import com.esri.solutions.jitk.personalization.data.beans.v1.BookmarkType;
import com.esri.solutions.jitk.web.tasks.mapcomp.IADFToBeanConverter;

public class FormBookmarkPersister implements IBookmarkPersister, WebContextInitialize, IPersonalizable {
	protected WebContext _webContext;
	protected IPersonalizationContext _personalizationContext;
	protected IADFToBeanConverter _adfToBeanConverter;
	
	public IBookmark save(IFormBookmarkData formData) throws PersonalizationException {	
		validateRequiredObjects(formData);
		IBookmark  bookmark = null;
		
		if (formData.isNew()) {
			bookmark = _personalizationContext.getData().createBookmark();
			_personalizationContext.setAttribute("CURRENT_BOOKMARK_KEY", bookmark); 
		}
		else {
			UUID id = UUID.fromString(formData.getId());
			bookmark = _personalizationContext.getData().getBookmark(id);
		}
								
	    BookmarkType bean = bookmark.getBookmark();
		bean.setName(formData.getName());
		bean.setDescription(formData.getDescription());		  		  		  		
		bean.setEnvelope(_adfToBeanConverter.createEnvelope(_webContext.getWebMap().getCurrentExtent()));
		 		  			
 		bookmark.save();
			
		return  bookmark;
	}
	
	protected void validateRequiredObjects(IFormBookmarkData formData) {
		if (_personalizationContext == null) {
			throw new NullPointerException("Personalization Context is null");
		}
		
		if (formData == null) {
			throw new NullPointerException("FormBookmarkData is null");
		}
	}

	public IBookmark update(IBookmark boomark) throws PersonalizationException {
		return boomark;
	}

	public void destroy() {
	}

	public void init(WebContext ctx) {
		_webContext = ctx;
	}

	public void setPersonalizationContext(IPersonalizationContext ctx) {
		_personalizationContext = ctx;		
	}
	
	public void setConverter (IADFToBeanConverter converter) {
		if (converter == null) {
			throw new NullPointerException();
		}
		
		_adfToBeanConverter = converter;
	}
}