org.yelong.http.response.HttpResponseBuilder Maven / Gradle / Ivy

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简单封装java对http的请求，实现便捷的发送http请求（可以发送携带文件的请求）

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/**
 * 
 */
package org.yelong.http.response;

import java.io.IOException;
import java.net.HttpURLConnection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.stream.Collectors;

import org.yelong.http.request.HttpRequest;
import org.yelong.http.utils.WebUtils;

/**
 * @since 1.0
 */
public final class HttpResponseBuilder {

	private HttpResponseBuilder() {
	}

	public static HttpResponse build(HttpURLConnection conn) throws IOException {
		return build(conn, null);
	}

	public static HttpResponse build(HttpURLConnection conn, HttpRequest request) throws IOException {
		// 响应消息体头
		Map headers = new HashMap<>();
		Map> headerFields = conn.getHeaderFields();
		for (Entry> entry : headerFields.entrySet()) {
			String value = entry.getValue().stream().collect(Collectors.joining(","));
			headers.put(entry.getKey(), value);
		}
		byte[] content = WebUtils.getResponseContent(conn);
		String charset = WebUtils.getCharset(conn);
		int responseCode = conn.getResponseCode();
		return new DefaultHttpResponse(request, headers, content, charset, responseCode);
	}

}