/* 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.form;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.activiti.engine.delegate.Expression;
import org.activiti.engine.form.AbstractFormType;
import org.activiti.engine.form.FormProperty;
import org.activiti.engine.impl.context.Context;
import org.activiti.engine.impl.el.ExpressionManager;
import org.activiti.engine.impl.persistence.entity.DeploymentEntity;
import org.activiti.engine.impl.persistence.entity.ExecutionEntity;
import org.activiti.engine.impl.persistence.entity.ProcessDefinitionEntity;
import org.apache.commons.lang3.StringUtils;
/**
* @author Tom Baeyens
*/
public class DefaultFormHandler implements FormHandler {
protected Expression formKey;
protected String deploymentId;
protected List<FormPropertyHandler> formPropertyHandlers = new ArrayList<FormPropertyHandler>();
public void parseConfiguration(List<org.activiti.bpmn.model.FormProperty> formProperties, String formKey, DeploymentEntity deployment, ProcessDefinitionEntity processDefinition) {
this.deploymentId = deployment.getId();
ExpressionManager expressionManager = Context
.getProcessEngineConfiguration()
.getExpressionManager();
if (StringUtils.isNotEmpty(formKey)) {
this.formKey = expressionManager.createExpression(formKey);
}
FormTypes formTypes = Context
.getProcessEngineConfiguration()
.getFormTypes();
for (org.activiti.bpmn.model.FormProperty formProperty : formProperties) {
FormPropertyHandler formPropertyHandler = new FormPropertyHandler();
formPropertyHandler.setId(formProperty.getId());
formPropertyHandler.setName(formProperty.getName());
AbstractFormType type = formTypes.parseFormPropertyType(formProperty);
formPropertyHandler.setType(type);
formPropertyHandler.setRequired(formProperty.isRequired());
formPropertyHandler.setReadable(formProperty.isReadable());
formPropertyHandler.setWritable(formProperty.isWriteable());
formPropertyHandler.setVariableName(formProperty.getVariable());
if (StringUtils.isNotEmpty(formProperty.getExpression())) {
Expression expression = expressionManager.createExpression(formProperty.getExpression());
formPropertyHandler.setVariableExpression(expression);
}
if (StringUtils.isNotEmpty(formProperty.getDefaultExpression())) {
Expression defaultExpression = expressionManager.createExpression(formProperty.getDefaultExpression());
formPropertyHandler.setDefaultExpression(defaultExpression);
}
formPropertyHandlers.add(formPropertyHandler);
}
}
protected void initializeFormProperties(FormDataImpl formData, ExecutionEntity execution) {
List<FormProperty> formProperties = new ArrayList<FormProperty>();
for (FormPropertyHandler formPropertyHandler: formPropertyHandlers) {
if (formPropertyHandler.isReadable()) {
FormProperty formProperty = formPropertyHandler.createFormProperty(execution);
formProperties.add(formProperty);
}
}
formData.setFormProperties(formProperties);
}
public void submitFormProperties(Map<String, String> properties, ExecutionEntity execution) {
Map<String, String> propertiesCopy = new HashMap<String, String>(properties);
for (FormPropertyHandler formPropertyHandler: formPropertyHandlers) {
// submitFormProperty will remove all the keys which it takes care of
formPropertyHandler.submitFormProperty(execution, propertiesCopy);
}
for (String propertyId: propertiesCopy.keySet()) {
execution.setVariable(propertyId, propertiesCopy.get(propertyId));
}
}
// getters and setters //////////////////////////////////////////////////////
public Expression getFormKey() {
return formKey;
}
public void setFormKey(Expression formKey) {
this.formKey = formKey;
}
public String getDeploymentId() {
return deploymentId;
}
public void setDeploymentId(String deploymentId) {
this.deploymentId = deploymentId;
}
public List<FormPropertyHandler> getFormPropertyHandlers() {
return formPropertyHandlers;
}
public void setFormPropertyHandlers(List<FormPropertyHandler> formPropertyHandlers) {
this.formPropertyHandlers = formPropertyHandlers;
}
}