HBASE-20782 Fix duplication of TestServletFilter.access

Signed-off-by: Jan Hentschel <jan.hentschel@ultratendency.com>

hbase-http/src/test/java/org/apache/hadoop/hbase/http/HttpServerFunctionalTest.java

@@ -18,25 +18,31 @@
 
 package org.apache.hadoop.hbase.http;
 
+import java.io.BufferedReader;
 import java.io.File;
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.InputStreamReader;
 import java.net.MalformedURLException;
 import java.net.ServerSocket;
 import java.net.URI;
 import java.net.URL;
-
+import java.net.URLConnection;
+import java.nio.charset.StandardCharsets;
 import org.apache.hadoop.conf.Configuration;
 import org.apache.hadoop.hbase.http.HttpServer.Builder;
 import org.apache.hadoop.net.NetUtils;
 import org.apache.hadoop.security.authorize.AccessControlList;
 import org.junit.Assert;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
 
 /**
  * This is a base class for functional tests of the {@link HttpServer}.
  * The methods are static for other classes to import statically.
  */
 public class HttpServerFunctionalTest extends Assert {
+  private static final Logger LOG = LoggerFactory.getLogger(HttpServerFunctionalTest.class);
   /** JVM property for the webapp test dir : {@value} */
   public static final String TEST_BUILD_WEBAPPS = "test.build.webapps";
   /** expected location of the test.build.webapps dir: {@value} */
@@ -270,4 +276,25 @@ public class HttpServerFunctionalTest extends Assert {
       }
     }
   }
+
+  /**
+   * access a url, ignoring some IOException such as the page does not exist
+   */
+  public static void access(String urlstring) throws IOException {
+    URL url = new URL(urlstring);
+
+    URLConnection connection = url.openConnection();
+    connection.connect();
+
+    try (BufferedReader in = new BufferedReader(new InputStreamReader(
+        connection.getInputStream(), StandardCharsets.UTF_8))){
+      for(; in.readLine() != null;) {
+        continue;
+      }
+    } catch(IOException ioe) {
+      LOG.info("Got exception: ", ioe);
+    }
+  }
+
+
 }

hbase-http/src/test/java/org/apache/hadoop/hbase/http/TestGlobalFilter.java

@@ -17,11 +17,7 @@
  */
 package org.apache.hadoop.hbase.http;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
 import java.util.Set;
 import java.util.TreeSet;
 import javax.servlet.Filter;
@@ -89,27 +85,6 @@ public class TestGlobalFilter extends HttpServerFunctionalTest {
     }
   }
 
-  /**
-   * access a url, ignoring some IOException such as the page does not exist
-   */
-  private static void access(String urlstring) throws IOException {
-    LOG.warn("access " + urlstring);
-    URL url = new URL(urlstring);
-    URLConnection connection = url.openConnection();
-    connection.connect();
-
-    try {
-      try (BufferedReader in = new BufferedReader(
-              new InputStreamReader(connection.getInputStream(), "UTF-8"))) {
-        for (; in.readLine() != null; ) {
-          // Ignoring the content of the URLs. Only checking if something is there.
-        }
-      }
-    } catch(IOException ioe) {
-      LOG.warn("urlstring=" + urlstring, ioe);
-    }
-  }
-
   @Test
   public void testServletFilter() throws Exception {
     Configuration conf = new Configuration();

hbase-http/src/test/java/org/apache/hadoop/hbase/http/TestPathFilter.java

@@ -17,11 +17,7 @@
  */
 package org.apache.hadoop.hbase.http;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
 import java.util.Set;
 import java.util.TreeSet;
 import javax.servlet.Filter;
@@ -89,28 +85,6 @@ public class TestPathFilter extends HttpServerFunctionalTest {
     }
   }
 
-  /**
-   * access a url, ignoring some IOException such as the page does not exist
-   */
-  private static void access(String urlstring) throws IOException {
-    LOG.warn("access " + urlstring);
-    URL url = new URL(urlstring);
-
-    URLConnection connection = url.openConnection();
-    connection.connect();
-
-    try {
-      try (BufferedReader in = new BufferedReader(
-              new InputStreamReader(connection.getInputStream(), "UTF-8"))) {
-        for (; in.readLine() != null; ) {
-          // Ignoring the content of the URLs. Only checking if something is there.
-        }
-      }
-    } catch(IOException ioe) {
-      LOG.warn("urlstring=" + urlstring, ioe);
-    }
-  }
-
   @Test
   public void testPathSpecFilters() throws Exception {
     Configuration conf = new Configuration();

hbase-http/src/test/java/org/apache/hadoop/hbase/http/TestServletFilter.java

@@ -17,11 +17,7 @@
  */
 package org.apache.hadoop.hbase.http;
 
-import java.io.BufferedReader;
 import java.io.IOException;
-import java.io.InputStreamReader;
-import java.net.URL;
-import java.net.URLConnection;
 import java.util.Random;
 import javax.servlet.Filter;
 import javax.servlet.FilterChain;
@@ -97,27 +93,6 @@ public class TestServletFilter extends HttpServerFunctionalTest {
         + StringUtils.stringifyException(t), msg.contains(string));
   }
 
-  /**
-   * access a url, ignoring some IOException such as the page does not exist
-   */
-  private static void access(String urlstring) throws IOException {
-    LOG.warn("access " + urlstring);
-    URL url = new URL(urlstring);
-    URLConnection connection = url.openConnection();
-    connection.connect();
-
-    try {
-      try (BufferedReader in = new BufferedReader(new InputStreamReader(
-              connection.getInputStream(), "UTF-8"))) {
-        for (; in.readLine() != null; ) {
-          // Ignoring the content of the URLs. Only checking if something is there.
-        }
-      }
-    } catch(IOException ioe) {
-      LOG.warn("urlstring=" + urlstring, ioe);
-    }
-  }
-
   @Test
   @Ignore
   //From stack