@Override
public InputStream execute(CloseableHttpClient httpclient, String uri, String queryParam)
throws WxErrorException, IOException {
if (queryParam != null) {
if (uri.indexOf('?') == -1) {
uri += '?';
}
uri += uri.endsWith("?") ? queryParam : '&' + queryParam;
}
HttpGet httpGet = new HttpGet(uri);
try (CloseableHttpResponse response = httpclient.execute(httpGet)) {
Header[] contentTypeHeader = response.getHeaders("Content-Type");
if (contentTypeHeader != null && contentTypeHeader.length > 0) {
// 下载媒体文件出错
if (ContentType.TEXT_PLAIN.getMimeType().equals(contentTypeHeader[0].getValue())) {
String responseContent = Utf8ResponseHandler.INSTANCE.handleResponse(response);
throw new WxErrorException(JSON.parseObject(responseContent, WxError.class));
}
}
InputStream inputStream = InputStreamResponseHandler.INSTANCE.handleResponse(response);
// 视频文件不支持下载
String fileName = getFileName(response);
if (StringUtils.isBlank(fileName)) {
return null;
}
return inputStream;
}
}
private ContentType receiveWithCharsetParameter(ContentType contentType, Charset charset) {
if (contentType.getCharset() != null) {
return contentType;
}
final String mimeType = contentType.getMimeType();
if (mimeType.equals(ContentType.TEXT_PLAIN.getMimeType())
|| AbstractFutureCallback.ODATA_MIME_TYPE.matcher(mimeType).matches()) {
return contentType.withCharset(charset);
}
return contentType;
}
