org.springframework.web.client.RestClientUtils Maven / Gradle / Ivy
/*
* Copyright 2002-2023 the original author or authors.
*
* 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
*
* https://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.springframework.web.client;
import java.io.IOException;
import java.nio.charset.Charset;
import org.springframework.http.HttpHeaders;
import org.springframework.http.HttpInputMessage;
import org.springframework.http.HttpMessage;
import org.springframework.http.MediaType;
import org.springframework.lang.Nullable;
import org.springframework.util.FileCopyUtils;
/**
* Internal methods shared between types in this package.
*
* @author Arjen Poutsma
* @since 6.1
*/
abstract class RestClientUtils {
public static byte[] getBody(HttpInputMessage message) {
try {
return FileCopyUtils.copyToByteArray(message.getBody());
}
catch (IOException ignore) {
}
return new byte[0];
}
@Nullable
public static Charset getCharset(HttpMessage response) {
HttpHeaders headers = response.getHeaders();
MediaType contentType = headers.getContentType();
return (contentType != null ? contentType.getCharset() : null);
}
}