PsiType () { final IElementType type = getLiteralElementType(); if (type == JavaTokenType.INTEGER_LITERAL) { return PsiTypes.intType(); } if (type == JavaTokenType.LONG_LITERAL) { return PsiTypes.longType(); } if (type == JavaTokenType.FLOAT_LITERAL) { return PsiTypes.floatType(); } if (type == JavaTokenType.DOUBLE_LITERAL) { return PsiTypes.doubleType(); } if (type == JavaTokenType.CHARACTER_LITERAL) { return PsiTypes.charType(); } if (ElementType.STRING_LITERALS.contains(type)) { PsiFile file = getContainingFile(); return PsiType.getJavaLangString(file.getManager(), ResolveScopeManager.getElementResolveScope(file)); } if (type == JavaTokenType.TRUE_KEYWORD || type == JavaTokenType.FALSE_KEYWORD) { return PsiTypes.booleanType(); } if (type == JavaTokenType.NULL_KEYWORD) { return PsiTypes.nullType(); } return null; }