private static HttpResponse getHttpResponse(HttpURLConnection connection, HttpRequest httpRequest)
throws IOException {
BufferedReader in = null; // 站在机器的角度，从远端读入内存
// OutputStream out = null;//站在机器的角度，从内存写入远端
try {
httpRequest.responseBody(connection); // 写入请求参数值（对于GET不需要，）
String charset = getCharset(connection); // 获取content type
StringBuilder sb = new StringBuilder();
// 读取http返回的结果
in =
new BufferedReader(
new InputStreamReader(
connection.getInputStream(),
charset == null ? Constant.DEFAULT_CHARSET : charset));
String line = null;
while ((line = in.readLine()) != null) {
sb.append(CTRL).append(line);
}
return HttpResponse.createInstance()
.setReturnCode(connection.getResponseCode())
.setResponseBody(sb.toString())
.setHeaders(connection.getHeaderFields())
.build();
} finally {
IOUtil.closeQuietly(in); // 关闭流 IOUtil.closeQuietly(out);
}
}
public static HttpResponse execute(HttpRequest httpRequest) throws IOException {
HttpConfig httpConfig =
httpRequest.getHttpConfig() == null ? HttpConfig.DEFAULT : httpRequest.getHttpConfig();
HttpURLConnection connection = null;
try {
connection = getHttpURLConnection(httpRequest.getUrl(), httpConfig); // 获取连接
setTimeOut(httpConfig, connection); // 设置超时
connection.setInstanceFollowRedirects(httpConfig.isRedirectEnable()); // 设置重定向
connection.setUseCaches(false); // 不使用缓存
connection.setDoInput(true); // 可输入输出
if (httpRequest instanceof HttpRequest) { // 设置METHOD
connection.setRequestMethod(httpRequest.getMethodName());
connection.setDoOutput(true);
}
if (null != httpRequest.getHeaders()) { // 设置headers
for (Map.Entry<String, String> entryTmp : httpRequest.getHeaders().entrySet()) {
connection.setRequestProperty(entryTmp.getKey(), entryTmp.getValue());
}
}
return getHttpResponse(connection, httpRequest);
} finally {
if (connection != null) {
connection.disconnect();
}
}
}