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io.joynr.generator.util.JoynrJavaGeneratorExtensions.xtend Maven / Gradle / Ivy
package io.joynr.generator.util
/*
* !!!
*
* Copyright (C) 2011 - 2014 BMW Car IT GmbH
*
* 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.
*/
import java.util.Collections
import java.util.HashMap
import java.util.Iterator
import java.util.Map
import java.util.TreeSet
import org.franca.core.franca.FArgument
import org.franca.core.franca.FAttribute
import org.franca.core.franca.FBasicTypeId
import org.franca.core.franca.FCompoundType
import org.franca.core.franca.FInterface
import org.franca.core.franca.FMethod
import org.franca.core.franca.FType
import org.franca.core.franca.FTypedElement
class JoynrJavaGeneratorExtensions extends JoynrGeneratorExtensions {
// @Inject private extension FrancaGeneratorExtensions
private Map primitiveDataTypeDefaultMap;
// private Map primitiveDataTypeNameMap;
def String getNamespaceStarter(FInterface interfaceType) {
getNamespaceStarter(getPackageNames(interfaceType));
}
def String getNamespaceStarter(FType datatype) {
getNamespaceStarter(getPackageNames(datatype));
}
def String getNamespaceEnder(FInterface interfaceType) {
getNamespaceEnder(getPackageNames(interfaceType));
}
def String getNamespaceEnder(FType datatype) {
getNamespaceEnder(getPackageNames(datatype));
}
def private String getNamespaceStarter(Iterator packageList){
return getNamespaceStarterFromPackageList(packageList);
}
def String getNamespaceStarterFromPackageList(Iterator packageList){
var sb = new StringBuilder();
while(packageList.hasNext){
sb.append("namespace " + packageList.next + "{ " );
}
return sb.toString();
}
def private String getNamespaceEnder(Iterator packageList){
return getNameSpaceEnderFromPackageList(packageList);
}
def String getNameSpaceEnderFromPackageList(Iterator packageList){
var sb = new StringBuilder();
while(packageList.hasNext){
sb.insert(0, "} /* namespace " + packageList.next + " */ " );
}
return sb.toString();
}
new () {
/*
val Map aMap = new HashMap();
aMap.put(FBasicTypeId::BOOLEAN, "bool");
aMap.put(FBasicTypeId::STRING, "QString");
aMap.put(FBasicTypeId::DOUBLE,"double");
aMap.put(FBasicTypeId::INT16,"int");
aMap.put(FBasicTypeId::INT32,"int");
aMap.put(FBasicTypeId::INT64,"qint64");
aMap.put(FBasicTypeId::INT8,"qint8");
aMap.put(FBasicTypeId::UNDEFINED,"void");
primitiveDataTypeNameMap = Collections::unmodifiableMap(aMap);
*/
val Map bMap = new HashMap();
bMap.put(FBasicTypeId::BOOLEAN, "false");
bMap.put(FBasicTypeId::INT8, "0");
bMap.put(FBasicTypeId::UINT8, "0");
bMap.put(FBasicTypeId::INT16, "0");
bMap.put(FBasicTypeId::UINT16, "0");
bMap.put(FBasicTypeId::INT32, "0");
bMap.put(FBasicTypeId::UINT32, "0");
bMap.put(FBasicTypeId::INT64, "0L");
bMap.put(FBasicTypeId::UINT64, "0l");
//see bug JOYN-1521: floats are interpreted as double
bMap.put(FBasicTypeId::FLOAT, "0d");
bMap.put(FBasicTypeId::DOUBLE, "0d");
bMap.put(FBasicTypeId::STRING, "\"\"");
bMap.put(FBasicTypeId::BYTE_BUFFER, "new byte[0]");
bMap.put(FBasicTypeId::UNDEFINED,"");
primitiveDataTypeDefaultMap = Collections::unmodifiableMap(bMap);
}
def getCommaSeperatedTypedOutputParameterList(FMethod method) {
val returnStringBuilder = new StringBuilder();
for(FArgument argument : getOutputParameters(method)){
returnStringBuilder.append(getMappedDatatypeOrList(argument));
returnStringBuilder.append("& ");
returnStringBuilder.append(argument.joynrName);
returnStringBuilder.append(", ");
}
val returnString = returnStringBuilder.toString();
if (returnString.length() == 0) {
return "";
}
else{
return returnString.substring(0, returnString.length() - 2); //remove the last ,
}
}
def getCommaSeperatedUntypedOutputParameterList(FMethod method) {
val returnStringBuilder = new StringBuilder();
for(FArgument argument : getOutputParameters(method)){
returnStringBuilder.append(argument.joynrName);
returnStringBuilder.append(", ");
}
val returnString = returnStringBuilder.toString();
if (returnString.length() == 0) {
return "";
}
else{
return returnString.substring(0, returnString.length() - 2); //remove the last ,
}
}
def getCommaSeperatedTypedParameterList(FMethod method) {
val returnStringBuilder = new StringBuilder();
for (param : getInputParameters(method)) {
returnStringBuilder.append(getMappedDatatypeOrList(param));
returnStringBuilder.append(" ");
returnStringBuilder.append(param.joynrName);
returnStringBuilder.append(", ");
}
val returnString = returnStringBuilder.toString();
if (returnString.length() == 0) {
return "";
}
else{
return returnString.substring(0, returnString.length() - 2); //remove the last ,
}
}
override getMappedDatatype(FType datatype) {
return datatype.typeName
}
override getMappedDatatypeOrList(FType datatype, boolean array) {
val mappedDatatype = getMappedDatatype(datatype);
if (array) {
return "List<" + getObjectDataTypeForPlainType(mappedDatatype) + ">";
} else {
return mappedDatatype;
}
}
override getMappedDatatypeOrList(FBasicTypeId datatype, boolean array) {
val mappedDatatype = getPrimitiveTypeName(datatype);
if (array) {
return "List<" + getObjectDataTypeForPlainType(mappedDatatype) + ">";
} else {
return mappedDatatype;
}
}
override getDefaultValue(FTypedElement element) {
//default values are not supported (currently) by the Franca IDL
if (1==0){
// if (member.getDEFAULTVALUE()!=null && !member.getDEFAULTVALUE().isEmpty()){
// if (isEnum(member)){
// val ENUMDATATYPETYPE enumDatatype = getDatatype(id) as ENUMDATATYPETYPE
// for (ENUMELEMENTTYPE element : getEnumElements(enumDatatype)){
// if (element.VALUE == member.DEFAULTVALUE){
// return enumDatatype.SHORTNAME.toFirstUpper + "::" + element.SYNONYM
// }
// }
// return getPackagePath(enumDatatype, "::") + "::" + enumDatatype.SHORTNAME.toFirstUpper + "::" + (enumDatatype.ENUMERATIONELEMENTS.ENUMELEMENT.get(0) as ENUMELEMENTTYPE).SYNONYM
// }
//// else if (isLong(member.getDATATYPEREF().getIDREF())){
//// return member.getDEFAULTVALUE() + "L"
//// }
//// else if (isDouble(member.getDATATYPEREF().getIDREF())){
//// return member.getDEFAULTVALUE() + "d"
//// }
// else{
// return member.getDEFAULTVALUE();
// }
} else if (isComplex(element.type)) {
if ((isArray(element))){
return "new ArrayList<" + element.type.complexType.joynrName + ">()";
}
else{
return "new " + element.type.complexType.joynrName + "()";
}
} else if (isEnum(element.type)){
if ((isArray(element))){
return "new ArrayList<" + element.type.enumType.joynrName + ">()";
}
else{
return element.type.enumType.joynrName + "." + element.type.enumType.enumerators.get(0).joynrName;
}
} else if (!primitiveDataTypeDefaultMap.containsKey(element.type.predefined)) {
return "NaN";
} else if (isPrimitive(element.type)) {
if ((isArray(element))){
return "new ArrayList<" + getPrimitiveTypeName(getPrimitive(element.type)) + ">()";
}
else{
return primitiveDataTypeDefaultMap.get(element.type.predefined);
}
}
}
def Iterable getRequiredIncludesFor(FCompoundType datatype){
getRequiredIncludesFor(datatype, true);
}
def Iterable getRequiredIncludesFor(FCompoundType datatype, boolean includingExendedType){
val members = getComplexAndEnumMembers(datatype);
val typeList = new TreeSet();
if (hasExtendsDeclaration(datatype)){
if (includingExendedType){
typeList.add(getIncludeOf(getExtendedType(datatype)))
}
typeList.addAll(getRequiredIncludesFor(getExtendedType(datatype), false))
}
for (member : members) {
val type = getDatatype(member.type);
if (type instanceof FType){
typeList.add(getIncludeOf(type as FType));
}
}
return typeList;
}
def Iterable getRequiredIncludesFor(FInterface serviceInterface){
val includeSet = new TreeSet();
for(datatype: getAllComplexAndEnumTypes(serviceInterface)){
if (datatype instanceof FType){
includeSet.add(getIncludeOf(datatype as FType));
}
// else{
// includeSet.add(getIncludeOf(datatype as FBasicTypeId));
// }
}
return includeSet;
}
def String getIncludeOf(FType dataType) {
return getPackagePathWithJoynrPrefix(dataType, ".") + "." + dataType.joynrName;
}
override String getOneLineWarning() {
//return ""
return "/* Generated Code */ "
}
def String getTypedParameterListJavaRpc(FMethod method){
var sb = new StringBuilder();
val params = getInputParameters(method)
for (param : params) {
// is it a list type?
if(! getMappedDatatypeOrList(param).contains("List")){
sb.append("@JoynrRpcParam")
sb.append("(\"" + param.joynrName + "\")")
sb.append(" "+ getMappedDatatypeOrList(param))
sb.append(" "+ param.joynrName)
sb.append(", ")
}else { //TODO clean this up, move to javaGeneratorUtil.xtend!
sb.append("@JoynrRpcParam")
sb.append("(value=\"" + param.joynrName
+ "\", deserialisationType=List"
+ getMappedDatatypeOrList(param).substring(5, getMappedDatatypeOrList(param).length()-1)
+ "Token.class)")
sb.append(" "+ getMappedDatatypeOrList(param))
sb.append(" "+ param.joynrName)
sb.append(", ")
}
}
if (sb.length()==0){
return "";
}
else{
return sb.toString.substring(0, sb.length() - 2); //remove the last ,
}
}
def String getTypedParameterListJavaTypeReference(FMethod method){
val sb = new StringBuilder()
val params = getInputParameters(method)
for (param : params) {
sb.append("public static class "+getMappedDatatypeOrList(param)+ "Token extends TypeReference<"+getMappedDatatypeOrList(param)+" > {}\n")
}
sb.append("public static class "+ getMappedOutputParameter(method)+ "Token extends TypeReference<"+getMappedOutputParameter(method)+" > {}\n")
if (sb.length()==0){
return ""
}
return sb.toString
}
override boolean needsListImport (FInterface serviceInterface) {
//only need to Import the dependencies to Lists if either input or output parameters of one of the methods are a list.
for (method : getMethods(serviceInterface)) {
if (method!=null && getOutputParameters(method)!=null && getOutputParameters(method).iterator.hasNext && isArray(getOutputParameters(method).iterator.next) ) return true;
for (input : getInputParameters(method)){
if (input!=null && isArray(input)) return true;
}
}
for (attribute : getAttributes(serviceInterface)) {
if (attribute!=null && isArray(attribute)) {
return true;
}
}
return false;
}
override isReadonly(FAttribute fAttribute) { fAttribute.readonly }
override isObservable(FAttribute fAttribute) { !fAttribute.noSubscriptions }
override getPrimitiveTypeName(FBasicTypeId basicType) {
switch basicType {
case FBasicTypeId::BOOLEAN: "Boolean"
case FBasicTypeId::INT8: "Byte"
case FBasicTypeId::UINT8: "Byte"
case FBasicTypeId::INT16: "Integer"
case FBasicTypeId::UINT16: "Integer"
case FBasicTypeId::INT32: "Integer"
case FBasicTypeId::UINT32: "Integer"
case FBasicTypeId::INT64: "Long"
case FBasicTypeId::UINT64: "Long"
case FBasicTypeId::FLOAT: "Double"
case FBasicTypeId::DOUBLE: "Double"
case FBasicTypeId::STRING: "String"
case FBasicTypeId::BYTE_BUFFER: "byte[]"
default: throw new IllegalArgumentException("Unsupported basic type: " + basicType.joynrName)
}
// francaExtensions.getPrimitiveTypeName(basicType)
}
def String getObjectDataTypeForPlainType(String plainType) {
var type = plainType.toLowerCase
switch (plainType) {
case FBasicTypeId::BOOLEAN.name: type = "Boolean"
case FBasicTypeId::INT8.name: type = "Byte"
case FBasicTypeId::UINT8.name: type = "Byte"
case FBasicTypeId::INT16.name: type = "Integer"
case FBasicTypeId::UINT16.name: type = "Integer"
case FBasicTypeId::INT32.name: type = "Integer"
case FBasicTypeId::UINT32.name: type = "Integer"
case FBasicTypeId::INT64.name: type = "Long"
case FBasicTypeId::UINT64.name: type = "Long"
case FBasicTypeId::FLOAT.name: type = "Double"
case FBasicTypeId::DOUBLE.name: type = "Double"
case FBasicTypeId::STRING.name: type = "String"
case FBasicTypeId::BYTE_BUFFER.name: type = "byte[]"
case "void": type = "Void"
default : type = plainType
}
return type
}
def String getTokenTypeForArrayType(String plainType) {
if(plainType.contains("List<")) {
return "List" + getObjectDataTypeForPlainType(plainType.substring(5, plainType.length-1));
}
else{
return getObjectDataTypeForPlainType(plainType);
}
}
// Returns true if a class or superclass has array members
def boolean hasArrayMembers(FCompoundType datatype){
for (member : datatype.members) {
if (isArray(member)){
return true
}
}
// Check any super classes
if (hasExtendsDeclaration(datatype)) {
return hasArrayMembers(datatype.extendedType)
}
return false
}
// Returns true if a class has to create lists in its constructor
def boolean hasListsInConstructor(FCompoundType datatype){
for (member : datatype.members) {
if (isArray(member)){
return true
}
}
return false
}
def String getJoynFullyQualifiedTypeName(FTypedElement typedElement){
if (typedElement.array == '[]'){
return "List"
}
if (typedElement.type.derived != null){
getJoynFullyQualifiedTypeName(typedElement.type.derived)
}
else{
getPrimitiveTypeName(typedElement.type.predefined)
}
}
def getJoynFullyQualifiedTypeName(FType type) {
joynTypePackagePrefix + "." + type.mappedDatatype
}
def getJoynTypePackagePrefix(){
joynrGenerationPrefix
}
}
