사용자 지정 프로세스 단계

배열 목록 워크플로우 변수를 채우도록 사용자 지정 프로세스 단계가 구현되었습니다. OSGi 번들 만들기에 익숙하지 않은 경우 다음 지침🔗을 따르십시오.

사용자 지정 프로세스 단계의 코드는 다음을 수행합니다

• 페이로드 폴더 아래에 있는 모든 적응형 양식 첨부 파일을 쿼리합니다. 폴더 이름이 프로세스 단계에 프로세스 인수로 전달됩니다.

• listOfDocuments 워크플로우 변수 채우기

• attachmentNames 워크플로우 변수 채우기

• 워크플로우 변수(no_of_attachments)의 값을 설정합니다.

 package com.aemforms.formattachments.core;

import java.io.InputStream;
import java.util.HashMap;
import java.util.Map;
import javax.jcr.Node;
import javax.jcr.Session;
import org.osgi.framework.Constants;
import org.osgi.service.component.annotations.Component;
import org.osgi.service.component.annotations.Reference;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.adobe.aemfd.docmanager.Document;
import com.adobe.granite.workflow.WorkflowException;
import com.adobe.granite.workflow.WorkflowSession;
import com.adobe.granite.workflow.exec.WorkItem;
import com.adobe.granite.workflow.exec.WorkflowProcess;
import com.adobe.granite.workflow.metadata.MetaDataMap;
import com.day.cq.search.PredicateGroup;
import com.day.cq.search.Query;
import com.day.cq.search.QueryBuilder;
import com.day.cq.search.result.Hit;
import com.day.cq.search.result.SearchResult;

@Component(property = {
        Constants.SERVICE_DESCRIPTION + "=PopulateListOfDocuments",
        "process.label" + "=PopulateListOfDocuments"
})

public class PopulateListOfDocuments implements WorkflowProcess {

        private static final Logger log = LoggerFactory.getLogger(PopulateListOfDocuments.class);
        @Reference
        QueryBuilder queryBuilder;

        @Override
        public void execute(WorkItem workItem, WorkflowSession workflowSession, MetaDataMap processArguments) throws WorkflowException
        {
                String payloadPath = workItem.getWorkflowData().getPayload().toString();
                log.debug("The payload path  is" + payloadPath);
                MetaDataMap metaDataMap = workItem.getWorkflow().getWorkflowData().getMetaDataMap();
                Session session = workflowSession.adaptTo(Session.class);
                Map < String, String > map = new HashMap < String, String > ();
                map.put("path", workItem.getWorkflowData().getPayload().toString() + "/" + processArguments.get("PROCESS_ARGS", "string").toString());
                map.put("type", "nt:file");
                Query query = queryBuilder.createQuery(PredicateGroup.create(map), workflowSession.adaptTo(Session.class));
                query.setStart(0);
                query.setHitsPerPage(20);
                SearchResult result = query.getResult();
                log.debug("Get result hits " + result.getHits().size());
                int no_of_attachments = result.getHits().size();
                Document[] listOfDocuments = new Document[no_of_attachments];
                String[] attachmentNames = new String[no_of_attachments];
                int i = 0;
                for (Hit hit: result.getHits()) {
                        try {
                                String attachmentPath = hit.getPath();
                                log.debug("The hit path is" + hit.getPath());
                                Node attachmentNode = session.getNode(attachmentPath + "/jcr:content");
                                InputStream attachmentStream = attachmentNode.getProperty("jcr:data").getBinary().getStream();
                                listOfDocuments[i] = new Document(attachmentStream);
                                attachmentNames[i] = new String(hit.getTitle());
                                log.debug("Added " + hit.getTitle() + "to the list");
                                i++;
                        } catch (Exception e) {
                                log.error("Unable to obtain attachment", e);
                        }
                }

                metaDataMap.put("no_of_attachments", no_of_attachments);
                metaDataMap.put("listOfDocuments", listOfDocuments);
                metaDataMap.put("attachmentNames", attachmentNames);

                log.debug("Updated workflow");
        }

}

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