[pull request #29] revert change, let's check it first.

Author: greengerong

src/main/java/com/github/greengerong/PreRenderSEOFilter.java

@@ -14,7 +14,7 @@
 public class PreRenderSEOFilter implements Filter {
     public static final List<String> PARAMETER_NAMES = Lists.newArrayList("preRenderEventHandler", "proxy", "proxyPort",
             "prerenderToken", "forwardedURLHeader", "crawlerUserAgents", "extensionsToIgnore", "whitelist",
-            "blacklist", "prerenderServiceUrl", "interceptByDefault");
+            "blacklist", "prerenderServiceUrl");
     private PrerenderSeoService prerenderSeoService;
 
     @Override

src/main/java/com/github/greengerong/PrerenderConfig.java

@@ -79,14 +79,6 @@ public String getPrerenderToken() {
     public String getForwardedURLHeader() {
         return config.get("forwardedURLHeader");
     }
-  
-    public boolean isInterceptByDefault() {
-      String interceptByDefault = config.get("interceptByDefault");
-      if(interceptByDefault != null) {
-        return Boolean.parseBoolean(interceptByDefault);
-      }
-      return true;
-    }
 
     public List<String> getCrawlerUserAgents() {
         List<String> crawlerUserAgents = Lists.newArrayList("googlebot", "yahoo", "bingbot", "baiduspider",

src/main/java/com/github/greengerong/PrerenderSeoService.java

@@ -124,21 +124,18 @@ private boolean shouldShowPrerenderedPage(HttpServletRequest request) throws URI
             return true;
         }
 
-        boolean interceptByDefault = prerenderConfig.isInterceptByDefault();
-        if(interceptByDefault) {
-            if (StringUtils.isBlank(userAgent)) {
-                log.trace("Request has blank userAgent; intercept: no");
-                return false;
-            }
+        if (StringUtils.isBlank(userAgent)) {
+            log.trace("Request has blank userAgent; intercept: no");
+            return false;
+        }
 
-            if (!isInSearchUserAgent(userAgent)) {
-               log.trace("Request User-Agent is not a search bot; intercept: no");
-               return false;
-            }
+        if (!isInSearchUserAgent(userAgent)) {
+            log.trace("Request User-Agent is not a search bot; intercept: no");
+            return false;
         }
 
-        log.trace(String.format("Defaulting to request intercept(user-agent=%s): %s", userAgent, interceptByDefault ? "yes" : "no"));
-        return interceptByDefault;
+        log.trace(String.format("Defaulting to request intercept(user-agent=%s): yes", userAgent));
+        return true;
     }
 
     protected HttpGet getHttpGet(String apiUrl) {