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Java Model.getNsPrefixURI方法代码示例

本文整理汇总了Java中com.hp.hpl.jena.rdf.model.Model.getNsPrefixURI方法的典型用法代码示例。如果您正苦于以下问题:Java Model.getNsPrefixURI方法的具体用法?Java Model.getNsPrefixURI怎么用?Java Model.getNsPrefixURI使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在com.hp.hpl.jena.rdf.model.Model的用法示例。


在下文中一共展示了Model.getNsPrefixURI方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。

示例1: doGet

import com.hp.hpl.jena.rdf.model.Model; //导入方法依赖的package包/类
protected void doGet(HttpServletRequest request,
		HttpServletResponse response) throws IOException, ServletException {
	D2RServer server = D2RServer.fromServletContext(getServletContext());
	server.checkMappingFileChanged();
	String relativeResourceURI = request.getRequestURI().substring(
			request.getContextPath().length()
					+ request.getServletPath().length());
	// Some servlet containers keep the leading slash, some don't
	if (!"".equals(relativeResourceURI)
			&& "/".equals(relativeResourceURI.substring(0, 1))) {
		relativeResourceURI = relativeResourceURI.substring(1);
	}
	if (request.getQueryString() != null) {
		relativeResourceURI = relativeResourceURI + "?"
				+ request.getQueryString();
	}

	/* Determine service stem, i.e. vocab/ in /[vocab/]data */
	int servicePos;
	if (-1 == (servicePos = request.getServletPath().indexOf(
			"/" + D2RServer.getDataServiceName())))
		throw new ServletException("Expected to find service path /"
				+ D2RServer.getDataServiceName());
	String serviceStem = request.getServletPath().substring(1,
			servicePos + 1);

	String resourceURI = RequestParamHandler
			.removeOutputRequestParam(server.resourceBaseURI(serviceStem)
					+ relativeResourceURI);
	String documentURL = server.dataURL(serviceStem, relativeResourceURI);

	String pageURL = server.pageURL(serviceStem, relativeResourceURI);

	String sparqlQuery = "DESCRIBE <" + resourceURI + ">";
	QueryExecution qe = QueryExecutionFactory.create(sparqlQuery,
			server.dataset());
	if (server.getConfig().getPageTimeout() > 0) {
		qe.setTimeout(Math.round(server.getConfig().getPageTimeout() * 1000));
	}
	Model description = qe.execDescribe();
	qe.close();
	
	if (description.size() == 0) {
		response.sendError(404);
	}
	if (description.qnameFor(FOAF.primaryTopic.getURI()) == null
			&& description.getNsPrefixURI("foaf") == null) {
		description.setNsPrefix("foaf", FOAF.NS);
	}
	Resource resource = description.getResource(resourceURI);

	Resource document = description.getResource(documentURL);
	document.addProperty(FOAF.primaryTopic, resource);

	Statement label = resource.getProperty(RDFS.label);
	if (label != null) {
		document.addProperty(RDFS.label,
				"RDF Description of " + label.getString());
	}
	server.addDocumentMetadata(description, document);
	if (server.getConfig().serveMetadata()) {
		// add document metadata from template
		Model resourceMetadataTemplate = server.getConfig().getResourceMetadataTemplate(
				server, getServletContext());
		MetadataCreator resourceMetadataCreator = new MetadataCreator(
				server, resourceMetadataTemplate);
		description.add(resourceMetadataCreator.addMetadataFromTemplate(
				resourceURI, documentURL, pageURL));
		
		Map<String, String> descPrefixes = description.getNsPrefixMap();
		descPrefixes.putAll(resourceMetadataTemplate.getNsPrefixMap());
		description.setNsPrefixes(descPrefixes);
	}
	// TODO: Add a Content-Location header
	new ModelResponse(description, request, response).serve();
}
 
开发者ID:aitoralmeida,项目名称:c4a_data_repository,代码行数:77,代码来源:ResourceDescriptionServlet.java


注:本文中的com.hp.hpl.jena.rdf.model.Model.getNsPrefixURI方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。