private static boolean generateDelegate(GrChangeInfoImpl grInfo) {
final GrMethod method = grInfo.getMethod();
final PsiClass psiClass = method.getContainingClass();
GrMethod newMethod = (GrMethod) method.copy();
newMethod = (GrMethod) psiClass.addAfter(newMethod, method);
StringBuilder buffer = new StringBuilder();
buffer.append("\n");
if (method.isConstructor()) {
buffer.append("this");
} else {
if (!PsiType.VOID.equals(method.getReturnType())) {
buffer.append("return ");
}
buffer.append(
GrChangeSignatureUtil.getNameWithQuotesIfNeeded(
grInfo.getNewName(), method.getProject()));
}
generateParametersForDelegateCall(grInfo, method, buffer);
final GrCodeBlock codeBlock =
GroovyPsiElementFactory.getInstance(method.getProject())
.createMethodBodyFromText(buffer.toString());
newMethod.setBlock(codeBlock);
newMethod.getModifierList().setModifierProperty(PsiModifier.ABSTRACT, false);
CodeStyleManager.getInstance(method.getProject()).reformat(newMethod);
return processPrimaryMethodInner(grInfo, method, null);
}
public boolean processPrimaryMethod(ChangeInfo changeInfo) {
if (!(changeInfo instanceof GrChangeInfoImpl)) return false;
GrChangeInfoImpl grInfo = (GrChangeInfoImpl) changeInfo;
GrMethod method = grInfo.getMethod();
if (grInfo.isGenerateDelegate()) {
return generateDelegate(grInfo);
}
return processPrimaryMethodInner(grInfo, method, null);
}
private static void generateParametersForDelegateCall(
GrChangeInfoImpl grInfo, GrMethod method, StringBuilder buffer) {
buffer.append("(");
final GrParameter[] oldParameters = method.getParameterList().getParameters();
final JavaParameterInfo[] parameters = grInfo.getNewParameters();
String[] params = new String[parameters.length];
for (int i = 0; i < parameters.length; i++) {
JavaParameterInfo parameter = parameters[i];
final int oldIndex = parameter.getOldIndex();
if (oldIndex >= 0) {
params[i] = oldParameters[oldIndex].getName();
} else {
params[i] = parameter.getDefaultValue();
}
}
buffer.append(StringUtil.join(params, ","));
buffer.append(");");
}