該HTTP伺服器正在以GZIP形式發送内容(Content-Encoding:gzip;如果您不知道這意味着什麼,請參閱
http://en.wikipedia.org/wiki/HTTP_compression),是以您需要将aUrl.openStream()包裝在GZIPInputStream中,它将為您解壓縮它.例如:
builder.build(new GZIPInputStream(aUrl.openStream()));
根據後續評論編輯添加:如果您事先不知道URL是否為GZIPped,您可以這樣寫:
private InputStream openStream(final URL url) throws IOException
{
final URLConnection cxn = url.openConnection();
final String contentEncoding = cxn.getContentEncoding();
if(contentEncoding == null)
return cxn.getInputStream();
else if(contentEncoding.equalsIgnoreCase("gzip")
|| contentEncoding.equalsIgnoreCase("x-gzip"))
return new GZIPInputStream(cxn.getInputStream());
else
throw new IOException("Unexpected content-encoding: " + contentEncoding);
}
(警告:未經測試)然後使用:
builder.build(openStream(aUrl.openStream()));
.這基本上等同于上面的内容 – aUrl.openStream()被明确記錄為aUrl.openConnection().getInputStream()的簡寫 – 除了它在決定是否在GZIPInputStream中包裝流之前檢查Content-Encoding頭. .