/* 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.camunda.bpm.engine.impl.cmd;
import java.util.Collection;
import java.util.Map;
import org.camunda.bpm.engine.ProcessEngineException;
import org.camunda.bpm.engine.form.FormField;
import org.camunda.bpm.engine.impl.context.Context;
import org.camunda.bpm.engine.impl.interceptor.Command;
import org.camunda.bpm.engine.impl.persistence.entity.VariableInstanceEntity;
import org.camunda.bpm.engine.impl.variable.VariableType;
import org.camunda.bpm.engine.impl.variable.VariableTypes;
import org.camunda.bpm.engine.runtime.VariableInstance;
/**
* @author Daniel Meyer
*/
public abstract class AbstractGetFormVariablesCmd implements Command<Map<String, VariableInstance>> {
public String resourceId;
public Collection<String> formVariableNames;
public AbstractGetFormVariablesCmd(String resourceId, Collection<String> formVariableNames) {
this.resourceId = resourceId;
this.formVariableNames = formVariableNames;
}
/**
* Converts a FormField into a VariableInstance. Reads name, type information and default value.
*
*/
protected VariableInstance createVariable(FormField formField) {
VariableInstanceEntity variableInstance = new VariableInstanceEntity();
// name
variableInstance.setName(formField.getId());
// type
VariableTypes variableTypes = Context.getProcessEngineConfiguration()
.getVariableTypes();
VariableType variableType = variableTypes.getVariableType(formField.getTypeName());
if(variableType == null) {
throw new ProcessEngineException("Unsupported variable type '"+formField.getTypeName()+ "'.");
}
variableInstance.setType(variableType);
// value
Object defaultValue = formField.getDefaultValue();
if(defaultValue != null) {
variableInstance.setValue(defaultValue);
}
return variableInstance;
}
}