/*
 * Copyright 2023 Red Hat, Inc. and/or its affiliates
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.keycloak.adapters.undertow;

import javax.servlet.ServletInputStream;
import javax.servlet.ServletRequest;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletRequestWrapper;
import java.io.IOException;
import java.io.InputStream;

public class UndertowHttpServletRequest {

    public static HttpServletRequestWrapper setupServletInputStream(ServletRequest servletRequest, final InputStream inputStream) {
        return new HttpServletRequestWrapper((HttpServletRequest) servletRequest) {
            @Override
            public ServletInputStream getInputStream() {
                inputStream.mark(0);
                return new ServletInputStream() {
                    @Override
                    public int read() throws IOException {
                        return inputStream.read();
                    }
                };
            }
        };
    }
}
