/** Extract the Type information from a TYPE node. */
private static String _typeName(IterableTree ast) {
if (ast == null) {
return null;
}
StringBuilder typeName = new StringBuilder();
if (ast.getType() == JavaParser.TYPE) {
IterableTree qualifiedType = ast.firstChildOfType(JavaParser.QUALIFIED_TYPE_IDENT);
if (qualifiedType != null) {
StringBuilder qualifiedTypeName = new StringBuilder();
for (int i = 0; i < qualifiedType.getChildCount(); i++) {
qualifiedTypeName.append("." + qualifiedType.getChild(i).getText());
IterableTree generics =
qualifiedType.getChild(i).firstChildOfType(JavaParser.GENERIC_TYPE_ARG_LIST);
if (generics != null) {
qualifiedTypeName.append('<');
qualifiedTypeName.append(_genericsTypeList(generics));
qualifiedTypeName.append('>');
}
}
/* to remove the leading dot */
typeName.append(qualifiedTypeName.substring(1));
} else {
typeName.append(ast.getChild(0).getText());
}
Tree arrayDecl = ast.firstChildOfType(JavaParser.ARRAY_DECLARATOR_LIST);
if (arrayDecl != null) {
for (int i = 0; i < arrayDecl.getChildCount(); i++) {
typeName.append("[]");
}
}
} else if (ast.getType() == JavaParser.QUESTION) {
typeName.append("?");
if (ast.getChildCount() > 0) {
/* ^(QUESTION ^(EXTENDS|SUPER type)) */
IterableTree extendsAst = ast.getChild(0);
typeName.append(" ");
typeName.append(extendsAst.getText());
typeName.append(" ");
typeName.append(_typeName(extendsAst.getChild(0)));
}
}
return typeName.toString();
}
