Java PostMethod.getResponseCharSet方法代码示例

import org.apache.commons.httpclient.methods.PostMethod; //导入方法依赖的package包/类
protected JSONObject postQuery(HttpClient httpClient, String url, JSONObject body) throws UnsupportedEncodingException,
            IOException, HttpException, URIException, JSONException
{
    PostMethod post = new PostMethod(url);
    if (body.toString().length() > DEFAULT_SAVEPOST_BUFFER)
    {
        post.getParams().setBooleanParameter(HttpMethodParams.USE_EXPECT_CONTINUE, true);
    }
    post.setRequestEntity(new ByteArrayRequestEntity(body.toString().getBytes("UTF-8"), "application/json"));

    try
    {
        httpClient.executeMethod(post);

        if(post.getStatusCode() == HttpStatus.SC_MOVED_PERMANENTLY || post.getStatusCode() == HttpStatus.SC_MOVED_TEMPORARILY)
        {
            Header locationHeader = post.getResponseHeader("location");
            if (locationHeader != null)
            {
                String redirectLocation = locationHeader.getValue();
                post.setURI(new URI(redirectLocation, true));
                httpClient.executeMethod(post);
            }
        }

        if (post.getStatusCode() != HttpServletResponse.SC_OK)
        {
            throw new LuceneQueryParserException("Request failed " + post.getStatusCode() + " " + url.toString());
        }

        Reader reader = new BufferedReader(new InputStreamReader(post.getResponseBodyAsStream(), post.getResponseCharSet()));
        // TODO - replace with streaming-based solution e.g. SimpleJSON ContentHandler
        JSONObject json = new JSONObject(new JSONTokener(reader));

        if (json.has("status"))
        {
            JSONObject status = json.getJSONObject("status");
            if (status.getInt("code") != HttpServletResponse.SC_OK)
            {
                throw new LuceneQueryParserException("SOLR side error: " + status.getString("message"));
            }
        }
        return json;
    }
    finally
    {
        post.releaseConnection();
    }
}
 

import org.apache.commons.httpclient.methods.PostMethod; //导入方法依赖的package包/类
/** retrieve the contents of given URL and assert its content type
  * @param expectedContentType use CONTENT_TYPE_DONTCARE if must not be checked
  * @throws IOException
  * @throws HttpException */
 public String getAuthenticatedPostContent(Credentials creds, String url, String expectedContentType, List<NameValuePair> postParams, int expectedStatusCode) throws IOException {
     final PostMethod post = new PostMethod(url);

     URL baseUrl = new URL(HTTP_BASE_URL);
     AuthScope authScope = new AuthScope(baseUrl.getHost(), baseUrl.getPort(), AuthScope.ANY_REALM);
     post.setDoAuthentication(true);
     Credentials oldCredentials = httpClient.getState().getCredentials(authScope);
 	try {
httpClient.getState().setCredentials(authScope, creds);

      if(postParams!=null) {
          final NameValuePair [] nvp = {};
          post.setRequestBody(postParams.toArray(nvp));
      }

      final int status = httpClient.executeMethod(post);
      final InputStream is = post.getResponseBodyAsStream();
      final StringBuffer content = new StringBuffer();
      final String charset = post.getResponseCharSet();
      final byte [] buffer = new byte[16384];
      int n = 0;
      while( (n = is.read(buffer, 0, buffer.length)) > 0) {
          content.append(new String(buffer, 0, n, charset));
      }
      assertEquals("Expected status " + expectedStatusCode + " for " + url + " (content=" + content + ")",
              expectedStatusCode,status);
      final Header h = post.getResponseHeader("Content-Type");
      if(expectedContentType == null) {
          if(h!=null) {
              fail("Expected null Content-Type, got " + h.getValue());
          }
      } else if(CONTENT_TYPE_DONTCARE.equals(expectedContentType)) {
          // no check
      } else if(h==null) {
          fail(
                  "Expected Content-Type that starts with '" + expectedContentType
                  +" but got no Content-Type header at " + url
          );
      } else {
          assertTrue(
              "Expected Content-Type that starts with '" + expectedContentType
              + "' for " + url + ", got '" + h.getValue() + "'",
              h.getValue().startsWith(expectedContentType)
          );
      }
      return content.toString();

 	} finally {
     	httpClient.getState().setCredentials(authScope, oldCredentials);
 	}
 }