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@@ -5,20 +5,41 @@ import com.fasterxml.jackson.databind.node.ObjectNode;
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import com.java110.common.bmo.workflow.IQueryWorkFlowFirstStaffBMO;
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import com.java110.dto.workflow.WorkflowDto;
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import org.activiti.editor.constants.ModelDataJsonConstants;
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+import org.activiti.engine.ActivitiException;
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import org.activiti.engine.RepositoryService;
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import org.activiti.engine.repository.Model;
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+import org.apache.batik.transcoder.TranscoderInput;
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+import org.apache.batik.transcoder.TranscoderOutput;
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+import org.apache.batik.transcoder.image.PNGTranscoder;
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+import org.apache.commons.io.IOUtils;
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+import org.apache.commons.lang3.StringUtils;
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import org.slf4j.Logger;
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import org.slf4j.LoggerFactory;
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import org.springframework.beans.factory.annotation.Autowired;
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+import org.springframework.http.HttpStatus;
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import org.springframework.http.ResponseEntity;
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import org.springframework.web.bind.annotation.*;
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-import javax.servlet.http.HttpServletResponse;
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-import java.io.IOException;
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+import java.io.ByteArrayInputStream;
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+import java.io.ByteArrayOutputStream;
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+import java.io.InputStream;
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@RestController
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@RequestMapping("/workflow")
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public class WorkflowApi {
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+ private static final Logger logger = LoggerFactory.getLogger(WorkflowApi.class);
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+
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+ @Autowired
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+ private RepositoryService repositoryService;
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+
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+ @Autowired
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+ private ObjectMapper objectMapper;
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+
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+ String MODEL_ID = "modelId";
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+ String MODEL_NAME = "name";
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+ String MODEL_REVISION = "revision";
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+ String MODEL_DESCRIPTION = "description";
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+
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@Autowired
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private IQueryWorkFlowFirstStaffBMO queryWorkFlowFirstStaffBMOImpl;
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@@ -35,8 +56,98 @@ public class WorkflowApi {
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}
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+ /**
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+ * 更新流程
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+ *
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+ * @param modelId 模型ID
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+ * @param name 流程模型名称
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+ * @param description
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+ * @param json_xml 流程文件
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+ * @param svg_xml 图片
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+ */
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+ @RequestMapping(value = "/model/{modelId}/save", method = RequestMethod.PUT)
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+ @ResponseStatus(value = HttpStatus.OK)
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+ public void saveModel(@PathVariable String modelId
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+ , String name, String description
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+ , String json_xml, String svg_xml) {
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+ try {
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+ Model model = repositoryService.getModel(modelId);
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+ ObjectNode modelJson = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
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+ modelJson.put(MODEL_NAME, name);
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+ modelJson.put(MODEL_DESCRIPTION, description);
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+ modelJson.put(ModelDataJsonConstants.MODEL_REVISION, model.getVersion() + 1);
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+ model.setMetaInfo(modelJson.toString());
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+ model.setName(name);
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+ repositoryService.saveModel(model);
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+ repositoryService.addModelEditorSource(model.getId(), json_xml.getBytes("utf-8"));
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+
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+ InputStream svgStream = new ByteArrayInputStream(svg_xml.getBytes("utf-8"));
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+ TranscoderInput input = new TranscoderInput(svgStream);
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+ PNGTranscoder transcoder = new PNGTranscoder();
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+ // Setup output
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+ ByteArrayOutputStream outStream = new ByteArrayOutputStream();
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+ TranscoderOutput output = new TranscoderOutput(outStream);
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+ // Do the transformation
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+ transcoder.transcode(input, output);
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+ final byte[] result = outStream.toByteArray();
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+ repositoryService.addModelEditorSourceExtra(model.getId(), result);
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+ outStream.close();
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+ } catch (Exception e) {
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+ logger.error("Error saving model", e);
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+ throw new ActivitiException("Error saving model", e);
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+ }
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+ }
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+
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+
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+ /**
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+ * 获取model的节点信息，编辑器根据返回的json进行绘图
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+ * @ServiceCode /workflow/getEditorJson
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+ * @param modelId
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+ * @return
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+ */
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+ @SuppressWarnings("deprecation")
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+ @RequestMapping(value = "/getEditorJson", method = RequestMethod.GET)
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+ public ResponseEntity getEditorJson(@RequestParam(value = "modelId") String modelId) {
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+ ObjectNode modelNode = null;
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+ Model model = repositoryService.getModel(modelId);
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+ if (model != null) {
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+ try {
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+ if (StringUtils.isNotEmpty(model.getMetaInfo())) {
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+ modelNode = (ObjectNode) objectMapper.readTree(model.getMetaInfo());
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+ } else {
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+ modelNode = objectMapper.createObjectNode();
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+ modelNode.put(MODEL_NAME, model.getName());
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+ }
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+ modelNode.put(MODEL_ID, model.getId());
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+ ObjectNode editorJsonNode = (ObjectNode) objectMapper.readTree(
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+ new String(repositoryService.getModelEditorSource(model.getId()), "utf-8"));
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+ modelNode.put("model", editorJsonNode);
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+ } catch (Exception e) {
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+ logger.error("Error creating model JSON", e);
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+ throw new ActivitiException("Error creating model JSON", e);
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+ }
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+ }
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+ return new ResponseEntity(modelNode.toString(), HttpStatus.OK);
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+ }
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+
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+ /**
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+ * 获取编辑器组件及配置项信息
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+ * 获取流程json文件
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+ *
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+ * @return
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+ */
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+ @RequestMapping(value = "/editor/stencilset", method = RequestMethod.GET, produces = "application/json;charset=utf-8")
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+ @ResponseBody
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+ public String getStencilset() {
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+ InputStream stencilsetStream = this.getClass().getClassLoader().getResourceAsStream("stencilset.json");
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+ try {
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+ return IOUtils.toString(stencilsetStream, "utf-8");
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+ } catch (Exception e) {
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+ throw new ActivitiException("Error while loading stencil set", e);
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+ }
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+ }
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}
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java110