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com.iohao.game.widget.light.protobuf.ProtoJavaAnalyse Maven / Gradle / Ivy
/*
* ioGame
* Copyright (C) 2021 - present 渔民小镇 （[email protected] 、[email protected] ） . All Rights Reserved.
* # iohao.com . 渔民小镇
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License as
* published by the Free Software Foundation, either version 3 of the
* License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU Affero General Public License for more details.
*
* You should have received a copy of the GNU Affero General Public License
* along with this program. If not, see protoJavaRegionMap = new HashMap<>();
final Map, ProtoJava> protoJavaMap = new HashMap<>();
final Map protoJavaSourceFileMap = new HashMap<>();
public Map analyse(String protoPackagePath, String protoSourcePath) {
return this.analyse(protoPackagePath, protoSourcePath, this.predicateFilter);
}
public Map analyse(String protoPackagePath, String protoSourcePath, Predicate> predicateFilter) {
javaProjectBuilder(protoSourcePath);
ClassScanner classScanner = new ClassScanner(protoPackagePath, predicateFilter);
List> classList = classScanner.listScan();
if (classList.isEmpty()) {
return protoJavaRegionMap;
}
List protoJavaList = this.convert(classList);
for (ProtoJava protoJava : protoJavaList) {
this.analyseField(protoJava);
}
return protoJavaRegionMap;
}
private void javaProjectBuilder(String protoSourcePath) {
JavaProjectBuilder javaProjectBuilder = new JavaProjectBuilder();
javaProjectBuilder.setEncoding(StandardCharsets.UTF_8.name());
javaProjectBuilder.addSourceTree(FileKit.file(protoSourcePath));
Collection javaClassCollection = javaProjectBuilder.getClasses();
for (JavaClass javaClass : javaClassCollection) {
List annotations = javaClass.getAnnotations();
if (annotations.size() < 2) {
continue;
}
long count = annotations.stream().filter(annotation -> {
String string = annotation.getType().toString();
return string.contains(ProtobufClass.class.getName())
|| string.contains(ProtoFileMerge.class.getName());
}).count();
if (count < 2) {
continue;
}
protoJavaSourceFileMap.put(javaClass.toString(), javaClass);
log.info("javaClass: {}", javaClass);
}
}
private List convert(List> classList) {
return classList.stream().map(clazz -> {
ProtoFileMerge annotation = clazz.getAnnotation(ProtoFileMerge.class);
String fileName = annotation.fileName();
String filePackage = annotation.filePackage();
JavaClass javaClass = protoJavaSourceFileMap.get(clazz.toString());
ProtoJava protoJava = new ProtoJava()
.setClassName(clazz.getSimpleName())
.setComment(javaClass.getComment())
.setClazz(clazz)
.setFileName(fileName)
.setFilePackage(filePackage)
.setJavaClass(javaClass);
protoJavaMap.put(clazz, protoJava);
ProtoJavaRegionKey regionKey = new ProtoJavaRegionKey(fileName, filePackage);
ProtoJavaRegion protoJavaRegion = this.getProtoJavaRegion(regionKey);
protoJavaRegion.addProtoJava(protoJava);
return protoJava;
}).collect(Collectors.toList());
}
private void analyseField(ProtoJava protoJava) {
Class clazz = protoJava.getClazz();
Field[] fields;
if (clazz.isEnum()) {
// 如果是枚举类型，需要单独处理，因为FieldAccess.get(clazz)方法中的Modifier.isStatic(modifiers)判断会过滤枚举内的属性
Field[] enumFields = clazz.getDeclaredFields();
List fieldList = new ArrayList<>(enumFields.length);
for (Field enumField : enumFields) {
if (Modifier.isPrivate(enumField.getModifiers())) {
// java的Enum有一个隐藏的$VALUES(private)，需要过滤掉---枚举其他属性默认public static
continue;
}
fieldList.add(enumField);
}
fields = new Field[fieldList.size()];
for (int i = 0; i < fieldList.size(); i++) {
fields[i] = fieldList.get(i);
}
} else {
fields = FieldAccess.get(clazz).getFields();
}
JavaClass javaClass = protoJava.getJavaClass();
// 枚举 enum 的下标从 0 开始，message 的下标从 1 开始
int order = clazz.isEnum() ? 0 : 1;
for (Field field : fields) {
if (Objects.nonNull(field.getAnnotation(Ignore.class))) {
continue;
}
Class fieldTypeClass = field.getType();
boolean repeated = List.class.equals(fieldTypeClass);
String fieldName = field.getName();
JavaField javaField = javaClass.getFieldByName(fieldName);
ProtoJavaField protoJavaField = new ProtoJavaField()
.setRepeated(repeated)
.setFieldName(fieldName)
.setComment(javaField.getComment())
.setOrder(order++)
.setFieldTypeClass(fieldTypeClass)
.setField(field)
.setProtoJavaParent(protoJava);
protoJava.addProtoJavaFiled(protoJavaField);
String fieldProtoType = ProtoFieldTypeHolder.me().getProtoType(fieldTypeClass);
if (Objects.nonNull(fieldProtoType)) {
protoJavaField.setFieldProtoType(fieldProtoType);
continue;
}
if (protoJavaField.isMap()) {
processMapFieldProtoJava(protoJavaField);
} else if (protoJavaField.isList()) {
processListFieldProtoJava(protoJavaField);
} else {
processFieldProtoJava(protoJavaField);
}
}
}
private String fieldProtoTypeToString(ProtoJavaField protoJavaField, Class fieldTypeClass) {
String fieldName = protoJavaField.getFieldName();
// 这个字段是一个 proto 对象类型
ProtoJava protoJavaFieldType = this.getFieldProtoJava(fieldTypeClass, fieldName, protoJavaField);
ProtoJava protoJavaParent = protoJavaField.getProtoJavaParent();
String filePackage = protoJavaFieldType.getFilePackage();
String className = protoJavaFieldType.getClassName();
String fieldProtoType;
if (protoJavaParent.inThisFile(protoJavaFieldType)) {
// 同一个文件的 proto 对象
fieldProtoType = className;
} else {
ProtoJavaRegionKey regionKey = protoJavaParent.getProtoJavaRegionKey();
ProtoJavaRegion protoJavaRegion = this.getProtoJavaRegion(regionKey);
protoJavaRegion.addOtherProtoFile(protoJavaFieldType);
// 不在同一个文件中
fieldProtoType = StrKit.format("{}.{}", filePackage, className);
}
return fieldProtoType;
}
private void processFieldProtoJava(ProtoJavaField protoJavaField) {
// 这个字段是一个 proto 对象类型
Class fieldTypeClass = protoJavaField.getFieldTypeClass();
String fieldName = protoJavaField.getFieldName();
if (Objects.isNull(protoJavaField.getComment())) {
ProtoJava protoJavaFieldType = this.getFieldProtoJava(fieldTypeClass, fieldName, protoJavaField);
protoJavaField.setComment(protoJavaFieldType.getComment());
}
String fieldProtoType = this.fieldProtoTypeToString(protoJavaField, fieldTypeClass);
protoJavaField.setFieldProtoType(fieldProtoType);
}
private void processListFieldProtoJava(ProtoJavaField protoJavaField) {
// map 类型
Field field = protoJavaField.getField();
// 获取 map 的 类型
ParameterizedType genericType = (ParameterizedType) field.getGenericType();
Type[] actualTypeArguments = genericType.getActualTypeArguments();
Class firstClass = (Class) actualTypeArguments[0];
String fieldProtoType = ProtoFieldTypeHolder.me().getProtoType(firstClass);
if (Objects.isNull(fieldProtoType)) {
fieldProtoType = this.fieldProtoTypeToString(protoJavaField, firstClass);
}
protoJavaField
.setRepeated(true)
.setFieldProtoType(fieldProtoType)
;
}
private void processMapFieldProtoJava(ProtoJavaField protoJavaField) {
Map map = new HashMap<>();
// map 类型
Field field = protoJavaField.getField();
// 获取 map 的 类型
ParameterizedType genericType = (ParameterizedType) field.getGenericType();
Type[] actualTypeArguments = genericType.getActualTypeArguments();
Class keyClass = (Class) actualTypeArguments[0];
String keyFieldProtoType = ProtoFieldTypeHolder.me().getProtoType(keyClass);
map.put("keyStr", keyFieldProtoType);
if (Objects.isNull(keyFieldProtoType)) {
// key 是一个 proto 对象类型
String keyStr = this.fieldProtoTypeToString(protoJavaField, keyClass);
map.put("keyStr", keyStr);
}
Class valueClass = (Class) actualTypeArguments[1];
String valueFieldProtoType = ProtoFieldTypeHolder.me().getProtoType(valueClass);
map.put("valueStr", valueFieldProtoType);
if (Objects.isNull(valueFieldProtoType)) {
// value 是一个 proto 对象类型
String valueStr = this.fieldProtoTypeToString(protoJavaField, valueClass);
map.put("valueStr", valueStr);
}
String fieldProtoType = StrKit.format("map<{keyStr},{valueStr}>", map);
protoJavaField.setFieldProtoType(fieldProtoType);
}
private ProtoJava getFieldProtoJava(Class fieldTypeClass, String fieldName, ProtoJavaField protoJavaField) {
if (!predicateFilter.test(fieldTypeClass)) {
String templateErr = """
{}.{} class type not is protobuf !
class must import annotation {}
class must import annotation {}
""";
String errorMsg = StrKit.format(templateErr
, protoJavaField.getProtoJavaParent().getClassName()
, fieldName
, ProtobufClass.class
, ProtoFileMerge.class
);
throw new RuntimeException(errorMsg);
}
return this.protoJavaMap.get(fieldTypeClass);
}
private final Predicate> predicateFilter = (clazz) -> {
ProtobufClass annotation = clazz.getAnnotation(ProtobufClass.class);
ProtoFileMerge protoFileMerge = clazz.getAnnotation(ProtoFileMerge.class);
return Objects.nonNull(annotation) && Objects.nonNull(protoFileMerge);
};
private ProtoJavaRegion getProtoJavaRegion(ProtoJavaRegionKey key) {
ProtoJavaRegion protoJavaRegion = protoJavaRegionMap.get(key);
if (Objects.isNull(protoJavaRegion)) {
protoJavaRegion = new ProtoJavaRegion();
protoJavaRegion = protoJavaRegionMap.putIfAbsent(key, protoJavaRegion);
if (Objects.isNull(protoJavaRegion)) {
protoJavaRegion = protoJavaRegionMap.get(key);
}
protoJavaRegion.setFileName(key.fileName());
protoJavaRegion.setFilePackage(key.filePackage());
}
return protoJavaRegion;
}
}
