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);
}
@Override
protected void initialize() {
final PsiMethod method = (PsiMethod) getElement();
LOG.assertTrue(method != null);
setConstructor(method.isConstructor());
final PsiType returnType = method.getReturnType();
setFlag(
returnType == null
|| PsiType.VOID.equals(returnType)
|| returnType.equalsToText(CommonClassNames.JAVA_LANG_VOID),
IS_RETURN_VALUE_USED_MASK);
if (!isReturnValueUsed()) {
myReturnValueTemplate = RETURN_VALUE_UNDEFINED;
}
if (isConstructor()) {
addReference(getOwnerClass(), getOwnerClass().getElement(), method, false, true, null);
}
if (getOwnerClass().isInterface()) {
setAbstract(false);
} else {
setAbstract(method.hasModifierProperty(PsiModifier.ABSTRACT));
}
setAppMain(isAppMain(method, this));
setLibraryOverride(method.hasModifierProperty(PsiModifier.NATIVE));
initializeSuperMethods(method);
if (isExternalOverride()) {
((RefClassImpl) getOwnerClass()).addLibraryOverrideMethod(this);
}
@NonNls final String name = method.getName();
if (getOwnerClass().isTestCase() && name.startsWith("test")) {
setTestMethod(true);
}
PsiParameter[] paramList = method.getParameterList().getParameters();
if (paramList.length > 0) {
myParameters = new RefParameterImpl[paramList.length];
for (int i = 0; i < paramList.length; i++) {
PsiParameter parameter = paramList[i];
myParameters[i] = getRefJavaManager().getParameterReference(parameter, i);
}
}
if (method.hasModifierProperty(PsiModifier.NATIVE)) {
updateReturnValueTemplate(null);
updateThrowsList(null);
}
collectUncaughtExceptions(method);
}
private static boolean isAppMain(PsiMethod psiMethod, RefMethod refMethod) {
if (!refMethod.isStatic()) return false;
if (!PsiType.VOID.equals(psiMethod.getReturnType())) return false;
PsiMethod appMainPattern = ((RefMethodImpl) refMethod).getRefJavaManager().getAppMainPattern();
if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appMainPattern)) return true;
PsiMethod appPremainPattern =
((RefMethodImpl) refMethod).getRefJavaManager().getAppPremainPattern();
if (MethodSignatureUtil.areSignaturesEqual(psiMethod, appPremainPattern)) return true;
PsiMethod appAgentmainPattern =
((RefMethodImpl) refMethod).getRefJavaManager().getAppAgentmainPattern();
return MethodSignatureUtil.areSignaturesEqual(psiMethod, appAgentmainPattern);
}
public static boolean isMainOrPremainMethod(@NotNull PsiMethod method) {
if (!PsiType.VOID.equals(method.getReturnType())) return false;
String name = method.getName();
if (!("main".equals(name) || "premain".equals(name))) return false;
PsiElementFactory factory = JavaPsiFacade.getInstance(method.getProject()).getElementFactory();
MethodSignature signature = method.getSignature(PsiSubstitutor.EMPTY);
try {
MethodSignature main = createSignatureFromText(factory, "void main(String[] args);");
if (MethodSignatureUtil.areSignaturesEqual(signature, main)) return true;
MethodSignature premain =
createSignatureFromText(
factory, "void premain(String args, java.lang.instrument.Instrumentation i);");
if (MethodSignatureUtil.areSignaturesEqual(signature, premain)) return true;
} catch (IncorrectOperationException e) {
LOG.error(e);
}
return false;
}