/* * Copyright Camunda Services GmbH and/or licensed to Camunda Services GmbH * under one or more contributor license agreements. See the NOTICE file * distributed with this work for additional information regarding copyright * ownership. Camunda licenses this file to you under the Apache License, * Version 2.0; 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.form.type; import java.util.Map; import org.camunda.bpm.engine.ProcessEngineException; import org.camunda.bpm.engine.variable.Variables; import org.camunda.bpm.engine.variable.value.TypedValue; /** * @author Tom Baeyens */ public class EnumFormType extends SimpleFormFieldType { public final static String TYPE_NAME = "enum"; protected Map<String, String> values; public EnumFormType(Map<String, String> values) { this.values = values; } public String getName() { return TYPE_NAME; } @Override public Object getInformation(String key) { if (key.equals("values")) { return values; } return null; } public TypedValue convertValue(TypedValue propertyValue) { Object value = propertyValue.getValue(); if(value == null || String.class.isInstance(value)) { validateValue(value); return Variables.stringValue((String) value, propertyValue.isTransient()); } else { throw new ProcessEngineException("Value '"+value+"' is not of type String."); } } protected void validateValue(Object value) { if(value != null) { if(values != null && !values.containsKey(value)) { throw new ProcessEngineException("Invalid value for enum form property: " + value); } } } public Map<String, String> getValues() { return values; } //////////////////// deprecated //////////////////////////////////////// @Override public Object convertFormValueToModelValue(Object propertyValue) { validateValue(propertyValue); return propertyValue; } @Override public String convertModelValueToFormValue(Object modelValue) { if(modelValue != null) { if(!(modelValue instanceof String)) { throw new ProcessEngineException("Model value should be a String"); } validateValue(modelValue); } return (String) modelValue; } }