存储提交的数据
[AEM Forms 6.5]{class="badge informative"}
下一步是将提交的数据存储在AEM作者的存储库中。 装载在/bin/startworkflow上的servlet保存提交的数据。
AEM工作流启动器配置为每次在<node_to_store_submitted_data>节点下创建nt:file类型的新资源时都会触发。 此工作流将通过将提交的数据与xdp模板合并来创建非交互式或静态PDF。 然后将生成的PDF分配给用户进行审阅和批准。
为了将提交的数据存储在<node_to_store_submitted_data>节点下,我们使用了GetResolver OSGi服务,该服务允许我们使用在每个AEM Forms安装中都可用的fd-service系统用户来保存提交的数据。
可以使用ConfigMgr配置存储提交数据的节点,如部署示例资产中所述
package com.aemforms.mobileforms.core.servlets;
import java.io.ByteArrayInputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.util.UUID;
import javax.jcr.Binary;
import javax.jcr.Node;
import javax.jcr.RepositoryException;
import javax.jcr.Session;
import javax.servlet.Servlet;
import javax.servlet.ServletOutputStream;
import com.aemforms.mobileforms.core.configuration.service.AemServerCredentialsConfigurationService;
import org.apache.sling.api.SlingHttpServletRequest;
import org.apache.sling.api.SlingHttpServletResponse;
import org.apache.sling.api.resource.Resource;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
import org.apache.sling.servlets.annotations.SlingServletResourceTypes;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import com.mergeandfuse.getserviceuserresolver.GetResolver;
import org.apache.sling.api.servlets.SlingAllMethodsServlet;
@Component(service={Servlet.class}, property={"sling.servlet.methods=post", "sling.servlet.paths=/bin/startworkflow"})
public class StartWorkflow extends SlingAllMethodsServlet {
private static Logger logger = LoggerFactory.getLogger(StartWorkflow.class);
@Reference
private GetResolver getResolver;
@Reference
private AemServerCredentialsConfigurationService aemServerCredentialsConfigurationService;
@Override
protected void doPost(SlingHttpServletRequest request, SlingHttpServletResponse response)
{
String xmlData = null;
logger.debug("in start workflow");
response.setContentType("text/html;charset=UTF-8");
if (request.getParameter("xmlData") != null)
{
logger.debug("The form was submitted from Acrobat/Reader");
xmlData = request.getParameter("xmlData");
logger.debug("In start workflow" + xmlData);
}
logger.debug("Trying to get resource "+aemServerCredentialsConfigurationService.getFolderPath());
Resource r = getResolver.getFormsServiceResolver().getResource(aemServerCredentialsConfigurationService.getFolderPath());
String responseMessage =null;
if(r!= null)
{
Session session = r.getResourceResolver().adaptTo(Session.class);
logger.debug("Got reosurce pdfsubmissions" + r.getPath());
UUID uidName = UUID.randomUUID();
Node xmlDataFilesNode = r.adaptTo(Node.class);
InputStream is = new ByteArrayInputStream(xmlData.getBytes());
Binary binary;
try {
Node xmlFileNode = xmlDataFilesNode.addNode(uidName.toString(), "nt:file");
logger.debug("Added nt file node");
Node jcrContent = xmlFileNode.addNode("jcr:content", "nt:resource");
logger.debug("Added jcr content");
binary = session.getValueFactory().createBinary(is);
jcrContent.setProperty("jcr:data", binary);
session.save();
} catch (RepositoryException e)
{
throw new RuntimeException(e);
}
responseMessage = "Your form was successfully submitted";
}else
{
logger.debug("The resource IS NULL");
responseMessage = "Error is processing your submission!!! Please contact the administrator";
}
try {
response.setContentType("text/plain");
response.getWriter().write(responseMessage);
} catch (IOException e) {
throw new RuntimeException(e);
}
}
}
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