boolean isZipContent(HttpMethod httpMethod) {
if (null != httpMethod.getResponseHeader(Constants.CONTENT_ENCODING)) {
String acceptEncoding = httpMethod.getResponseHeader(Constants.CONTENT_ENCODING).getValue();
if (acceptEncoding.toLowerCase().indexOf("gzip") > -1) {
return true;
}
}
return false;
}
private String getNotModified(String dataId, CacheData cacheData, HttpMethod httpMethod) {
Header md5Header = httpMethod.getResponseHeader(Constants.CONTENT_MD5);
if (null == md5Header) {
throw new RuntimeException("RP_NO_CHANGE response not contain MD5");
}
String md5 = md5Header.getValue();
if (!cacheData.getMd5().equals(md5)) {
String lastMd5 = cacheData.getMd5();
cacheData.setMd5(Constants.NULL);
cacheData.setLastModifiedHeader(Constants.NULL);
throw new RuntimeException(
"MD5 verify error,DataID:["
+ dataId
+ "]MD5 last:["
+ lastMd5
+ "]MD5 current:["
+ md5
+ "]");
}
cacheData.setMd5(md5);
changeSpacingInterval(httpMethod);
if (log.isInfoEnabled()) {
log.info("DataId: " + dataId + ",not changed");
}
return null;
}
private String getSuccess(
String dataId, String group, CacheData cacheData, HttpMethod httpMethod) {
String configInfo = Constants.NULL;
configInfo = getContent(httpMethod);
if (null == configInfo) {
throw new RuntimeException("RP_OK configInfo is null");
}
Header md5Header = httpMethod.getResponseHeader(Constants.CONTENT_MD5);
if (null == md5Header) {
throw new RuntimeException("RP_OK not contain MD5, " + configInfo);
}
String md5 = md5Header.getValue();
if (!checkContent(configInfo, md5)) {
throw new RuntimeException(
"MD5 verify error,DataID:["
+ dataId
+ "]ConfigInfo:["
+ configInfo
+ "]MD5:["
+ md5
+ "]");
}
Header lastModifiedHeader = httpMethod.getResponseHeader(Constants.LAST_MODIFIED);
if (null == lastModifiedHeader) {
throw new RuntimeException("RP_OK result not contain lastModifiedHeader");
}
String lastModified = lastModifiedHeader.getValue();
cacheData.setMd5(md5);
cacheData.setLastModifiedHeader(lastModified);
changeSpacingInterval(httpMethod);
String key = makeCacheKey(dataId, group);
contentCache.put(key, configInfo);
StringBuilder buf = new StringBuilder();
buf.append("dataId=").append(dataId);
buf.append(" ,group=").append(group);
buf.append(" ,content=").append(configInfo);
dataLog.info(buf.toString());
return configInfo;
}
/**
* Process the redirect response.
*
* @return <code>true</code> if the redirect was successful
*/
private boolean processRedirectResponse(final HttpMethod method) throws RedirectException {
// get the location header to find out where to redirect to
Header locationHeader = method.getResponseHeader("location");
if (locationHeader == null) {
// got a redirect response, but no location header
LOG.error("Received redirect response " + method.getStatusCode() + " but no location header");
return false;
}
String location = locationHeader.getValue();
if (LOG.isDebugEnabled()) {
LOG.debug("Redirect requested to location '" + location + "'");
}
// rfc2616 demands the location value be a complete URI
// Location = "Location" ":" absoluteURI
URI redirectUri = null;
URI currentUri = null;
try {
currentUri =
new URI(
this.conn.getProtocol().getScheme(),
null,
this.conn.getHost(),
this.conn.getPort(),
method.getPath());
String charset = method.getParams().getUriCharset();
redirectUri = new URI(location, true, charset);
if (redirectUri.isRelativeURI()) {
if (this.params.isParameterTrue(HttpClientParams.REJECT_RELATIVE_REDIRECT)) {
LOG.warn("Relative redirect location '" + location + "' not allowed");
return false;
} else {
// location is incomplete, use current values for defaults
LOG.debug("Redirect URI is not absolute - parsing as relative");
redirectUri = new URI(currentUri, redirectUri);
}
} else {
// Reset the default params
method.getParams().setDefaults(this.params);
}
method.setURI(redirectUri);
hostConfiguration.setHost(redirectUri);
} catch (URIException ex) {
throw new InvalidRedirectLocationException(
"Invalid redirect location: " + location, location, ex);
}
if (this.params.isParameterFalse(HttpClientParams.ALLOW_CIRCULAR_REDIRECTS)) {
if (this.redirectLocations == null) {
this.redirectLocations = new HashSet();
}
this.redirectLocations.add(currentUri);
try {
if (redirectUri.hasQuery()) {
redirectUri.setQuery(null);
}
} catch (URIException e) {
// Should never happen
return false;
}
if (this.redirectLocations.contains(redirectUri)) {
throw new CircularRedirectException("Circular redirect to '" + redirectUri + "'");
}
}
if (LOG.isDebugEnabled()) {
LOG.debug(
"Redirecting from '"
+ currentUri.getEscapedURI()
+ "' to '"
+ redirectUri.getEscapedURI());
}
// And finally invalidate the actual authentication scheme
method.getHostAuthState().invalidate();
return true;
}
