@Nullable
private static JsonElement request(
@NotNull String host,
@Nullable String login,
@Nullable String password,
@NotNull String path,
@Nullable String requestBody,
boolean post) {
HttpMethod method = null;
try {
method = doREST(host, login, password, path, requestBody, post);
String resp = method.getResponseBodyAsString();
if (method.getStatusCode() != 200) {
String message =
String.format(
"Request not successful. Status-Code: %s, Message: %s.",
method.getStatusCode(), method.getStatusText());
LOG.warn(message);
throw new HttpStatusException(method.getStatusCode(), method.getStatusText(), message);
}
if (resp == null) {
String message = String.format("Unexpectedly empty response: %s.", resp);
LOG.warn(message);
throw new RuntimeException(message);
}
return parseResponse(resp);
} catch (IOException e) {
LOG.warn(String.format("Request failed: %s", e.getMessage()), e);
throw Throwables.propagate(e);
} finally {
if (method != null) {
method.releaseConnection();
}
}
}
private HttpResponse getHttpResult(HttpMethod method, int retry)
throws ConnectException, HttpHelperException {
HttpResponse httpResponse = new HttpResponse();
this.initMethod(method, retry);
InputStream is = null;
BufferedReader reader = null;
HttpClient client = createHttpClient();
try {
client.executeMethod(method);
} catch (HttpException e1) {
throw new ConnectException(e1);
} catch (IOException e1) {
throw new HttpHelperException(e1);
}
try {
is = method.getResponseBodyAsStream();
reader = new BufferedReader(new InputStreamReader(is, "utf-8"));
StringBuilder sb = new StringBuilder();
char[] ch = new char[3096];
while (reader.read(ch) != -1) {
sb.append(ch);
}
httpResponse.setStatusCode(method.getStatusCode());
httpResponse.setStatusText(method.getStatusText());
httpResponse.setResponseText(sb.toString());
return httpResponse;
} catch (Exception e) {
throw new HttpHelperException(e);
} finally {
method.releaseConnection();
try {
if (reader != null) {
reader.close();
}
} catch (IOException e) {
throw new HttpHelperException(e);
}
try {
if (is != null) {
is.close();
}
} catch (IOException e) {
throw new HttpHelperException(e);
}
}
}
/*
* (non-Javadoc)
* @see org.jasig.portlet.weather.dao.IWeatherDao#find(java.lang.String)
*/
public Collection<Location> find(String location) {
final String url =
FIND_URL
.replace("@KEY@", key)
.replace("@QUERY@", QuietUrlCodec.encode(location, Constants.URL_ENCODING));
HttpMethod getMethod = new GetMethod(url);
InputStream inputStream = null;
try {
// Execute the method.
int statusCode = httpClient.executeMethod(getMethod);
if (statusCode != HttpStatus.SC_OK) {
final String statusText = getMethod.getStatusText();
throw new DataRetrievalFailureException(
"get of '"
+ url
+ "' failed with status '"
+ statusCode
+ "' due to '"
+ statusText
+ "'");
}
// Read the response body
inputStream = getMethod.getResponseBodyAsStream();
List<Location> locations = deserializeSearchResults(inputStream);
return locations;
} catch (HttpException e) {
throw new RuntimeException(
"http protocol exception while getting data from weather service from: " + url, e);
} catch (IOException e) {
throw new RuntimeException(
"IO exception while getting data from weather service from: " + url, e);
} catch (JAXBException e) {
throw new RuntimeException(
"Parsing exception while getting data from weather service from: " + url, e);
} finally {
// try to close the inputstream
IOUtils.closeQuietly(inputStream);
// release the connection
getMethod.releaseConnection();
}
}
protected Object getAndDeserialize(String url, TemperatureUnit unit) {
HttpMethod getMethod = new GetMethod(url);
InputStream inputStream = null;
try {
// Execute the method.
int statusCode = httpClient.executeMethod(getMethod);
if (statusCode != HttpStatus.SC_OK) {
final String statusText = getMethod.getStatusText();
throw new DataRetrievalFailureException(
"get of '"
+ url
+ "' failed with status '"
+ statusCode
+ "' due to '"
+ statusText
+ "'");
}
// Read the response body
inputStream = getMethod.getResponseBodyAsStream();
Weather weather = deserializeWeatherResult(inputStream, unit);
return weather;
} catch (HttpException e) {
throw new RuntimeException(
"http protocol exception while getting data from weather service from: " + url, e);
} catch (IOException e) {
throw new RuntimeException(
"IO exception while getting data from weather service from: " + url, e);
} catch (JAXBException e) {
throw new RuntimeException(
"Parsing exception while getting data from weather service from: " + url, e);
} catch (ParseException e) {
throw new RuntimeException(
"Parsing exception while getting data from weather service from: " + url, e);
} finally {
// try to close the inputstream
IOUtils.closeQuietly(inputStream);
// release the connection
getMethod.releaseConnection();
}
}
public NamedList<Object> request(final SolrRequest request, ResponseParser processor)
throws SolrServerException, IOException {
HttpMethod method = null;
InputStream is = null;
SolrParams params = request.getParams();
Collection<ContentStream> streams = requestWriter.getContentStreams(request);
String path = requestWriter.getPath(request);
if (path == null || !path.startsWith("/")) {
path = "/select";
}
ResponseParser parser = request.getResponseParser();
if (parser == null) {
parser = _parser;
}
// The parser 'wt=' and 'version=' params are used instead of the original params
ModifiableSolrParams wparams = new ModifiableSolrParams();
wparams.set(CommonParams.WT, parser.getWriterType());
wparams.set(CommonParams.VERSION, parser.getVersion());
if (params == null) {
params = wparams;
} else {
params = new DefaultSolrParams(wparams, params);
}
if (_invariantParams != null) {
params = new DefaultSolrParams(_invariantParams, params);
}
int tries = _maxRetries + 1;
try {
while (tries-- > 0) {
// Note: since we aren't do intermittent time keeping
// ourselves, the potential non-timeout latency could be as
// much as tries-times (plus scheduling effects) the given
// timeAllowed.
try {
if (SolrRequest.METHOD.GET == request.getMethod()) {
if (streams != null) {
throw new SolrException(
SolrException.ErrorCode.BAD_REQUEST, "GET can't send streams!");
}
method = new GetMethod(_baseURL + path + ClientUtils.toQueryString(params, false));
} else if (SolrRequest.METHOD.POST == request.getMethod()) {
String url = _baseURL + path;
boolean isMultipart = (streams != null && streams.size() > 1);
if (streams == null || isMultipart) {
PostMethod post = new PostMethod(url);
post.getParams().setContentCharset("UTF-8");
if (!this.useMultiPartPost && !isMultipart) {
post.addRequestHeader(
"Content-Type", "application/x-www-form-urlencoded; charset=UTF-8");
}
List<Part> parts = new LinkedList<Part>();
Iterator<String> iter = params.getParameterNamesIterator();
while (iter.hasNext()) {
String p = iter.next();
String[] vals = params.getParams(p);
if (vals != null) {
for (String v : vals) {
if (this.useMultiPartPost || isMultipart) {
parts.add(new StringPart(p, v, "UTF-8"));
} else {
post.addParameter(p, v);
}
}
}
}
if (isMultipart) {
int i = 0;
for (ContentStream content : streams) {
final ContentStream c = content;
String charSet = null;
String transferEncoding = null;
parts.add(
new PartBase(c.getName(), c.getContentType(), charSet, transferEncoding) {
@Override
protected long lengthOfData() throws IOException {
return c.getSize();
}
@Override
protected void sendData(OutputStream out) throws IOException {
InputStream in = c.getStream();
try {
IOUtils.copy(in, out);
} finally {
in.close();
}
}
});
}
}
if (parts.size() > 0) {
post.setRequestEntity(
new MultipartRequestEntity(
parts.toArray(new Part[parts.size()]), post.getParams()));
}
method = post;
}
// It is has one stream, it is the post body, put the params in the URL
else {
String pstr = ClientUtils.toQueryString(params, false);
PostMethod post = new PostMethod(url + pstr);
// Single stream as body
// Using a loop just to get the first one
final ContentStream[] contentStream = new ContentStream[1];
for (ContentStream content : streams) {
contentStream[0] = content;
break;
}
if (contentStream[0] instanceof RequestWriter.LazyContentStream) {
post.setRequestEntity(
new RequestEntity() {
public long getContentLength() {
return -1;
}
public String getContentType() {
return contentStream[0].getContentType();
}
public boolean isRepeatable() {
return false;
}
public void writeRequest(OutputStream outputStream) throws IOException {
((RequestWriter.LazyContentStream) contentStream[0]).writeTo(outputStream);
}
});
} else {
is = contentStream[0].getStream();
post.setRequestEntity(
new InputStreamRequestEntity(is, contentStream[0].getContentType()));
}
method = post;
}
} else {
throw new SolrServerException("Unsupported method: " + request.getMethod());
}
} catch (NoHttpResponseException r) {
// This is generally safe to retry on
method.releaseConnection();
method = null;
if (is != null) {
is.close();
}
// If out of tries then just rethrow (as normal error).
if ((tries < 1)) {
throw r;
}
// log.warn( "Caught: " + r + ". Retrying..." );
}
}
} catch (IOException ex) {
throw new SolrServerException("error reading streams", ex);
}
method.setFollowRedirects(_followRedirects);
method.addRequestHeader("User-Agent", AGENT);
if (_allowCompression) {
method.setRequestHeader(new Header("Accept-Encoding", "gzip,deflate"));
}
try {
// Execute the method.
// System.out.println( "EXECUTE:"+method.getURI() );
int statusCode = _httpClient.executeMethod(method);
if (statusCode != HttpStatus.SC_OK) {
StringBuilder msg = new StringBuilder();
msg.append(method.getStatusLine().getReasonPhrase());
msg.append("\n\n");
msg.append(method.getStatusText());
msg.append("\n\n");
msg.append("request: " + method.getURI());
throw new SolrException(statusCode, java.net.URLDecoder.decode(msg.toString(), "UTF-8"));
}
// Read the contents
String charset = "UTF-8";
if (method instanceof HttpMethodBase) {
charset = ((HttpMethodBase) method).getResponseCharSet();
}
InputStream respBody = method.getResponseBodyAsStream();
// Jakarta Commons HTTPClient doesn't handle any
// compression natively. Handle gzip or deflate
// here if applicable.
if (_allowCompression) {
Header contentEncodingHeader = method.getResponseHeader("Content-Encoding");
if (contentEncodingHeader != null) {
String contentEncoding = contentEncodingHeader.getValue();
if (contentEncoding.contains("gzip")) {
// log.debug( "wrapping response in GZIPInputStream" );
respBody = new GZIPInputStream(respBody);
} else if (contentEncoding.contains("deflate")) {
// log.debug( "wrapping response in InflaterInputStream" );
respBody = new InflaterInputStream(respBody);
}
} else {
Header contentTypeHeader = method.getResponseHeader("Content-Type");
if (contentTypeHeader != null) {
String contentType = contentTypeHeader.getValue();
if (contentType != null) {
if (contentType.startsWith("application/x-gzip-compressed")) {
// log.debug( "wrapping response in GZIPInputStream" );
respBody = new GZIPInputStream(respBody);
} else if (contentType.startsWith("application/x-deflate")) {
// log.debug( "wrapping response in InflaterInputStream" );
respBody = new InflaterInputStream(respBody);
}
}
}
}
}
return processor.processResponse(respBody, charset);
} catch (HttpException e) {
throw new SolrServerException(e);
} catch (IOException e) {
throw new SolrServerException(e);
} finally {
method.releaseConnection();
if (is != null) {
is.close();
}
}
}