package org.jdbi.v3.core.statement;
import org.jdbi.v3.core.argument.Argument;
import java.sql.PreparedStatement;
import java.sql.SQLException;
import java.util.List;
class ArgumentBinder {
private ArgumentBinder() {
throw new UnsupportedOperationException("utility class");
}
static void bind(ParsedParameters parameters, Binding binding, PreparedStatement statement, StatementContext context) {
if (parameters.isPositional()) {
bindPositional(parameters.getParameterCount(), binding, statement, context);
} else {
bindNamed(parameters.getParameterNames(), binding, statement, context);
}
}
private static void bindPositional(int size, Binding binding, PreparedStatement statement, StatementContext context) {
for (int i = 0; i < size; i++) {
try {
Argument argument = binding.findForPosition(i).orElse(null);
if (argument != null) {
argument.apply(i + 1, statement, context);
}
} catch (SQLException e) {
throw new UnableToExecuteStatementException(
"Exception while binding positional param at (0 based) position " + i, e, context);
}
}
}
private static void bindNamed(List<String> parameterNames, Binding binding, PreparedStatement statement, StatementContext context) {
if (parameterNames.isEmpty() && !binding.isEmpty()) {
throw new UnableToExecuteStatementException(
String.format("Unable to execute. The query doesn't have named parameters, but provided binding '%s'.", binding),
context);
}
for (int i = 0; i < parameterNames.size(); i++) {
String param = parameterNames.get(i);
try {
binding.findForName(param, context)
.orElseThrow(() -> new UnableToExecuteStatementException(
String.format("Unable to execute, no named parameter matches '%s'.", param),
context))
.apply(i + 1, statement, context);
} catch (SQLException e) {
throw new UnableToCreateStatementException(
String.format("Exception while binding named parameter '%s'", param), e, context);
}
}
}
}