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• DynamicBpmnServiceImpl.java

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org.activiti.engine.impl.DynamicBpmnServiceImpl Maven / Gradle / Ivy

/* Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *      http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.activiti.engine.impl;

import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import org.activiti.engine.DynamicBpmnConstants;
import org.activiti.engine.DynamicBpmnService;
import org.activiti.engine.impl.cfg.ProcessEngineConfigurationImpl;
import org.activiti.engine.impl.cmd.GetProcessDefinitionInfoCmd;
import org.activiti.engine.impl.cmd.SaveProcessDefinitionInfoCmd;


/**

 */
public class DynamicBpmnServiceImpl extends ServiceImpl implements DynamicBpmnService, DynamicBpmnConstants {

  public DynamicBpmnServiceImpl(ProcessEngineConfigurationImpl processEngineConfiguration) {
    super(processEngineConfiguration);
  }
  
  public ObjectNode getProcessDefinitionInfo(String processDefinitionId) {
    return commandExecutor.execute(new GetProcessDefinitionInfoCmd(processDefinitionId));
  }
  
  public void saveProcessDefinitionInfo(String processDefinitionId, ObjectNode infoNode) {
    commandExecutor.execute(new SaveProcessDefinitionInfoCmd(processDefinitionId, infoNode));
  }
  
  public ObjectNode changeServiceTaskClassName(String id, String className) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskClassName(id, className, infoNode);
    return infoNode;
  }
  
  public void changeServiceTaskClassName(String id, String className, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_CLASS_NAME, className, infoNode);
  }
  
  public ObjectNode changeServiceTaskExpression(String id, String expression) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskExpression(id, expression, infoNode);
    return infoNode;
  }
  
  public void changeServiceTaskExpression(String id, String expression, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_EXPRESSION, expression, infoNode);
  }
  
  public ObjectNode changeServiceTaskDelegateExpression(String id, String expression) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeServiceTaskDelegateExpression(id, expression, infoNode);
    return infoNode;
  }
  
  public void changeServiceTaskDelegateExpression(String id, String expression, ObjectNode infoNode) {
    setElementProperty(id, SERVICE_TASK_DELEGATE_EXPRESSION, expression, infoNode);
  }
  
  public ObjectNode changeScriptTaskScript(String id, String script) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeScriptTaskScript(id, script, infoNode);
    return infoNode;
  }
  
  public void changeScriptTaskScript(String id, String script, ObjectNode infoNode) {
    setElementProperty(id, SCRIPT_TASK_SCRIPT, script, infoNode);
  }
  
  public ObjectNode changeUserTaskName(String id, String name) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskName(id, name, infoNode);
    return infoNode;
  }

  public void changeUserTaskName(String id, String name, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_NAME, name, infoNode);
  }

  public ObjectNode changeUserTaskDescription(String id, String description) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskDescription(id, description, infoNode);
    return infoNode;
  }

  public void changeUserTaskDescription(String id, String description, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_DESCRIPTION, description, infoNode);
  }

  public ObjectNode changeUserTaskDueDate(String id, String dueDate) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskDueDate(id, dueDate, infoNode);
    return infoNode;
  }

  public void changeUserTaskDueDate(String id, String dueDate, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_DUEDATE, dueDate, infoNode);
  }

  public ObjectNode changeUserTaskPriority(String id, String priority) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskPriority(id, priority, infoNode);
    return infoNode;
  }

  public void changeUserTaskPriority(String id, String priority, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_PRIORITY, priority, infoNode);
  }

  public ObjectNode changeUserTaskCategory(String id, String category) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskCategory(id, category, infoNode);
    return infoNode;
  }

  public void changeUserTaskCategory(String id, String category, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_CATEGORY, category, infoNode);
  }

  public ObjectNode changeUserTaskFormKey(String id, String formKey) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskFormKey(id, formKey, infoNode);
    return infoNode;
  }
  
  public void changeUserTaskFormKey(String id, String formKey, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_FORM_KEY, formKey, infoNode);
  }
  
  public ObjectNode changeUserTaskAssignee(String id, String assignee) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskAssignee(id, assignee, infoNode);
    return infoNode;
  }

  public void changeUserTaskAssignee(String id, String assignee, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_ASSIGNEE, assignee, infoNode);
  }

  public ObjectNode changeUserTaskOwner(String id, String owner) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskOwner(id, owner, infoNode);
    return infoNode;
  }

  public void changeUserTaskOwner(String id, String owner, ObjectNode infoNode) {
    setElementProperty(id, USER_TASK_OWNER, owner, infoNode);
  }

  public ObjectNode changeUserTaskCandidateUser(String id, String candidateUser, boolean overwriteOtherChangedEntries) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskCandidateUser(id, candidateUser, overwriteOtherChangedEntries, infoNode);
    return infoNode;
  }

  public void changeUserTaskCandidateUser(String id, String candidateUser, boolean overwriteOtherChangedEntries, ObjectNode infoNode) {
    ArrayNode valuesNode = null;
    if (overwriteOtherChangedEntries) {
      valuesNode = processEngineConfiguration.getObjectMapper().createArrayNode();
    } else {
      if (doesElementPropertyExist(id, USER_TASK_CANDIDATE_USERS, infoNode)) {
        valuesNode = (ArrayNode) infoNode.get(BPMN_NODE).get(id).get(USER_TASK_CANDIDATE_USERS);
      }
      
      if (valuesNode == null || valuesNode.isNull()) {
        valuesNode = processEngineConfiguration.getObjectMapper().createArrayNode();
      }
    }
    
    valuesNode.add(candidateUser);
    setElementProperty(id, USER_TASK_CANDIDATE_USERS, valuesNode, infoNode);
  }

  public ObjectNode changeUserTaskCandidateGroup(String id, String candidateGroup, boolean overwriteOtherChangedEntries) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeUserTaskCandidateGroup(id, candidateGroup, overwriteOtherChangedEntries, infoNode);
    return infoNode;
  }
  
  public void changeUserTaskCandidateGroup(String id, String candidateGroup, boolean overwriteOtherChangedEntries, ObjectNode infoNode) {
    ArrayNode valuesNode = null;
    if (overwriteOtherChangedEntries) {
      valuesNode = processEngineConfiguration.getObjectMapper().createArrayNode();
    } else {
      if (doesElementPropertyExist(id, USER_TASK_CANDIDATE_GROUPS, infoNode)) {
        valuesNode = (ArrayNode) infoNode.get(BPMN_NODE).get(id).get(USER_TASK_CANDIDATE_GROUPS);
      }
      
      if (valuesNode == null || valuesNode.isNull()) {
        valuesNode = processEngineConfiguration.getObjectMapper().createArrayNode();
      }
    }
    
    valuesNode.add(candidateGroup);
    setElementProperty(id, USER_TASK_CANDIDATE_GROUPS, valuesNode, infoNode);
  }
  
  public ObjectNode changeDmnTaskDecisionTableKey(String id, String decisionTableKey) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeDmnTaskDecisionTableKey(id, decisionTableKey, infoNode);
    return infoNode;
  }

  public void changeDmnTaskDecisionTableKey(String id, String decisionTableKey, ObjectNode infoNode) {
    setElementProperty(id, DMN_TASK_DECISION_TABLE_KEY, decisionTableKey, infoNode);
  }
  
  public ObjectNode changeSequenceFlowCondition(String id, String condition) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeSequenceFlowCondition(id, condition, infoNode);
    return infoNode;
  }
  
  public void changeSequenceFlowCondition(String id, String condition, ObjectNode infoNode) {
    setElementProperty(id, SEQUENCE_FLOW_CONDITION, condition, infoNode);
  }
  
  public ObjectNode getBpmnElementProperties(String id, ObjectNode infoNode) {
    ObjectNode propertiesNode = null;
    ObjectNode bpmnNode = getBpmnNode(infoNode);
    if (bpmnNode != null) {
      propertiesNode = (ObjectNode) bpmnNode.get(id);
    }
    return propertiesNode;
  }
  
  public ObjectNode changeLocalizationName(String language, String id, String value) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeLocalizationName(language, id, value, infoNode);
    return infoNode;
  }
  
  public void changeLocalizationName(String language, String id, String value, ObjectNode infoNode) {
    setLocalizationProperty(language, id, LOCALIZATION_NAME, value, infoNode);
  }
  
  public ObjectNode changeLocalizationDescription(String language, String id, String value) {
    ObjectNode infoNode = processEngineConfiguration.getObjectMapper().createObjectNode();
    changeLocalizationDescription(language, id, value, infoNode);
    return infoNode;
  }
  
  public void changeLocalizationDescription(String language, String id, String value, ObjectNode infoNode) {
    setLocalizationProperty(language, id, LOCALIZATION_DESCRIPTION, value, infoNode);
  }
  
  public ObjectNode getLocalizationElementProperties(String language, String id, ObjectNode infoNode) {
    ObjectNode propertiesNode = null;
    ObjectNode localizationNode = getLocalizationNode(infoNode);
    if (localizationNode != null) {
      JsonNode languageNode = localizationNode.get(language);
      if (languageNode != null) {
        propertiesNode = (ObjectNode) languageNode.get(id);
      }
    }
    return propertiesNode;
  }
  
  protected boolean doesElementPropertyExist(String id, String propertyName, ObjectNode infoNode) {
    boolean exists = false;
    if (infoNode.get(BPMN_NODE) != null && infoNode.get(BPMN_NODE).get(id) != null && infoNode.get(BPMN_NODE).get(id).get(propertyName) != null) {
      JsonNode propNode = infoNode.get(BPMN_NODE).get(id).get(propertyName);
      if (!propNode.isNull()) {
        exists = true;
      }
    }
    return exists;
  }
  
  protected void setElementProperty(String id, String propertyName, String propertyValue, ObjectNode infoNode) {
    ObjectNode bpmnNode = createOrGetBpmnNode(infoNode);
    if (!bpmnNode.has(id)) {
      bpmnNode.putObject(id);
    }
    
    ((ObjectNode) bpmnNode.get(id)).put(propertyName, propertyValue);
  }
  
  protected void setElementProperty(String id, String propertyName, JsonNode propertyValue, ObjectNode infoNode) {
    ObjectNode bpmnNode = createOrGetBpmnNode(infoNode);
    if (!bpmnNode.has(id)) {
      bpmnNode.putObject(id);
    }
    
    ((ObjectNode) bpmnNode.get(id)).set(propertyName, propertyValue);
  }
  
  protected ObjectNode createOrGetBpmnNode(ObjectNode infoNode) {
    if (!infoNode.has(BPMN_NODE)) {
      infoNode.putObject(BPMN_NODE);
    }
    return (ObjectNode) infoNode.get(BPMN_NODE);
  }
  
  protected ObjectNode getBpmnNode(ObjectNode infoNode) {
    return (ObjectNode) infoNode.get(BPMN_NODE);
  }
  
  protected void setLocalizationProperty(String language, String id, String propertyName, String propertyValue, ObjectNode infoNode) {
    ObjectNode localizationNode = createOrGetLocalizationNode(infoNode);
    if (!localizationNode.has(language)) {
      localizationNode.putObject(language);
    }
    
    ObjectNode languageNode = (ObjectNode) localizationNode.get(language);
    if (!languageNode.has(id)) {
      languageNode.putObject(id);
    }
    
    ((ObjectNode) languageNode.get(id)).put(propertyName, propertyValue);
  }
  
  protected ObjectNode createOrGetLocalizationNode(ObjectNode infoNode) {
    if (!infoNode.has(LOCALIZATION_NODE)) {
      infoNode.putObject(LOCALIZATION_NODE);
    }
    return (ObjectNode) infoNode.get(LOCALIZATION_NODE);
  }
  
  protected ObjectNode getLocalizationNode(ObjectNode infoNode) {
    return (ObjectNode) infoNode.get(LOCALIZATION_NODE);
  }

}