| /** |
| * Licensed to the Apache Software Foundation (ASF) under one or more |
| * contributor license agreements. See the NOTICE file distributed with |
| * this work for additional information regarding copyright ownership. |
| * The ASF licenses this file to You 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.apache.activemq.protobuf.compiler; |
| |
| import java.util.LinkedHashMap; |
| import java.util.List; |
| import java.util.Map; |
| |
| public class EnumDescriptor implements TypeDescriptor { |
| |
| private String name; |
| private Map<String,EnumFieldDescriptor> fields= new LinkedHashMap<String, EnumFieldDescriptor>(); |
| private final ProtoDescriptor protoDescriptor; |
| private final MessageDescriptor parent; |
| private Map<String, OptionDescriptor> options = new LinkedHashMap<String, OptionDescriptor>(); |
| |
| public EnumDescriptor(ProtoDescriptor protoDescriptor, MessageDescriptor parent) { |
| this.protoDescriptor = protoDescriptor; |
| this.parent = parent; |
| } |
| |
| public String getName() { |
| return name; |
| } |
| |
| public Map<String,EnumFieldDescriptor> getFields() { |
| return fields; |
| } |
| |
| public void setName(String name) { |
| this.name = name; |
| } |
| |
| public void setFields(Map<String,EnumFieldDescriptor> fields) { |
| this.fields = fields; |
| } |
| public ProtoDescriptor getProtoDescriptor() { |
| return protoDescriptor; |
| } |
| |
| private String getOption(Map<String, OptionDescriptor> options, String optionName, String defaultValue) { |
| OptionDescriptor optionDescriptor = options.get(optionName); |
| if (optionDescriptor == null) { |
| return defaultValue; |
| } |
| return optionDescriptor.getValue(); |
| } |
| |
| private String constantToUCamelCase(String name) { |
| boolean upNext=true; |
| StringBuilder sb = new StringBuilder(); |
| for (int i = 0; i < name.length(); i++) { |
| char c = name.charAt(i); |
| if( Character.isJavaIdentifierPart(c) && Character.isLetterOrDigit(c)) { |
| if( upNext ) { |
| c = Character.toUpperCase(c); |
| upNext=false; |
| } else { |
| c = Character.toLowerCase(c); |
| } |
| sb.append(c); |
| } else { |
| upNext=true; |
| } |
| } |
| return sb.toString(); |
| } |
| |
| public void validate(List<String> errors) { |
| String createMessage = getOption(getOptions(), "java_create_message", null); |
| if( "true".equals(createMessage) ) { |
| for (EnumFieldDescriptor field : getFields().values()) { |
| String type = constantToUCamelCase(field.getName()); |
| |
| TypeDescriptor typeDescriptor=null; |
| // Find the type def for that guy.. |
| if( parent!=null ) { |
| typeDescriptor = parent.getType(type); |
| } |
| if( typeDescriptor == null ) { |
| typeDescriptor = protoDescriptor.getType(type); |
| } |
| if( typeDescriptor == null ) { |
| errors.add("ENUM constant '"+field.getName()+"' did not find expected associated message: "+type); |
| } else { |
| field.associate(typeDescriptor); |
| typeDescriptor.associate(field); |
| } |
| } |
| } |
| } |
| |
| public MessageDescriptor getParent() { |
| return parent; |
| } |
| |
| public String getQName() { |
| if( parent==null ) { |
| return name; |
| } else { |
| return parent.getQName()+"."+name; |
| } |
| } |
| |
| public boolean isEnum() { |
| return true; |
| } |
| |
| public Map<String, OptionDescriptor> getOptions() { |
| return options; |
| } |
| |
| public void setOptions(Map<String, OptionDescriptor> options) { |
| this.options = options; |
| } |
| |
| public void associate(EnumFieldDescriptor desc) { |
| throw new RuntimeException("not supported."); |
| } |
| |
| |
| } |