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Posted to dev@tomcat.apache.org by kk...@apache.org on 2011/11/10 07:13:21 UTC

svn commit: r1200175 - in /tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector: InputBuffer.java MapperListener.java OutputBuffer.java

Author: kkolinko
Date: Thu Nov 10 06:13:21 2011
New Revision: 1200175

URL: http://svn.apache.org/viewvc?rev=1200175&view=rev
Log:
Merged revision 1187753 from tomcat/trunk:
Clean-up. No functional change.
Part 3.

Modified:
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/InputBuffer.java
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/MapperListener.java
    tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/OutputBuffer.java

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/InputBuffer.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/InputBuffer.java?rev=1200175&r1=1200174&r2=1200175&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/InputBuffer.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/InputBuffer.java Thu Nov 10 06:13:21 2011
@@ -5,16 +5,15 @@
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- */ 
-
+ */
 package org.apache.catalina.connector;
 
 import java.io.IOException;
@@ -35,7 +34,7 @@ import org.apache.tomcat.util.res.String
 
 /**
  * The buffer used by Tomcat request. This is a derivative of the Tomcat 3.3
- * OutputBuffer, adapted to handle input instead of output. This allows 
+ * OutputBuffer, adapted to handle input instead of output. This allows
  * complete recycling of the facade objects (the ServletInputStream and the
  * BufferedReader).
  *
@@ -55,7 +54,7 @@ public class InputBuffer extends Reader
     // -------------------------------------------------------------- Constants
 
 
-    public static final String DEFAULT_ENCODING = 
+    public static final String DEFAULT_ENCODING =
         org.apache.coyote.Constants.DEFAULT_CHARACTER_ENCODING;
     public static final int DEFAULT_BUFFER_SIZE = 8*1024;
 
@@ -71,7 +70,7 @@ public class InputBuffer extends Reader
     /**
      * The byte buffer.
      */
-    private ByteChunk bb;
+    private final ByteChunk bb;
 
 
     /**
@@ -150,7 +149,7 @@ public class InputBuffer extends Reader
 
     /**
      * Alternate constructor which allows specifying the initial buffer size.
-     * 
+     *
      * @param size Buffer size to use
      */
     public InputBuffer(int size) {
@@ -173,7 +172,7 @@ public class InputBuffer extends Reader
 
     /**
      * Associated Coyote request.
-     * 
+     *
      * @param coyoteRequest Associated Coyote request
      */
     public void setRequest(Request coyoteRequest) {
@@ -183,7 +182,7 @@ public class InputBuffer extends Reader
 
     /**
      * Get associated Coyote request.
-     * 
+     *
      * @return the associated Coyote request
      */
     @Deprecated
@@ -199,9 +198,9 @@ public class InputBuffer extends Reader
      * Recycle the output buffer.
      */
     public void recycle() {
-        
+
         state = INITIAL_STATE;
-        
+
         // If usage of mark made the buffer too big, reallocate it
         if (cb.getChars().length > size) {
             cb = new CharChunk(size);
@@ -213,16 +212,16 @@ public class InputBuffer extends Reader
             cb.recycle();
         }
         markPos = -1;
-        bb.recycle(); 
+        bb.recycle();
         closed = false;
-        
+
         if (conv != null) {
             conv.recycle();
         }
-        
+
         gotEnc = false;
         enc = null;
-        
+
     }
 
 
@@ -232,11 +231,11 @@ public class InputBuffer extends Reader
     public void clearEncoders() {
         encoders.clear();
     }
-    
-    
+
+
     /**
      * Close the input buffer.
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     @Override
@@ -264,26 +263,29 @@ public class InputBuffer extends Reader
     // ------------------------------------------------- Bytes Handling Methods
 
 
-    /** 
+    /**
      * Reads new bytes in the byte chunk.
-     * 
+     *
      * @param cbuf Byte buffer to be written to the response
      * @param off Offset
      * @param len Length
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     @Override
     public int realReadBytes(byte cbuf[], int off, int len)
             throws IOException {
 
-        if (closed)
+        if (closed) {
             return -1;
-        if (coyoteRequest == null)
+        }
+        if (coyoteRequest == null) {
             return -1;
+        }
 
-        if(state == INITIAL_STATE)
+        if(state == INITIAL_STATE) {
             state = BYTE_STATE;
+        }
 
         int result = coyoteRequest.doRead(bb);
 
@@ -295,8 +297,9 @@ public class InputBuffer extends Reader
     public int readByte()
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return bb.substract();
     }
@@ -305,8 +308,9 @@ public class InputBuffer extends Reader
     public int read(byte[] b, int off, int len)
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return bb.substract(b, off, len);
     }
@@ -322,7 +326,7 @@ public class InputBuffer extends Reader
      * mark is lost.
      */
     @Override
-    public void realWriteChars(char c[], int off, int len) 
+    public void realWriteChars(char c[], int off, int len)
         throws IOException {
         markPos = -1;
         cb.setOffset(0);
@@ -339,8 +343,9 @@ public class InputBuffer extends Reader
     public int realReadChars(char cbuf[], int off, int len)
         throws IOException {
 
-        if (!gotEnc)
+        if (!gotEnc) {
             setConverter();
+        }
 
         if (bb.getLength() <= 0) {
             int nRead = realReadBytes(bb.getBytes(), 0, bb.getBytes().length);
@@ -354,8 +359,9 @@ public class InputBuffer extends Reader
             cb.setEnd(0);
         }
         int limit = bb.getLength()+cb.getStart();
-        if ( cb.getLimit() < limit )
+        if ( cb.getLimit() < limit ) {
             cb.setLimit(limit);
+        }
         state = CHAR_STATE;
         conv.convert(bb, cb, bb.getLength());
         bb.setOffset(bb.getEnd());
@@ -369,8 +375,9 @@ public class InputBuffer extends Reader
     public int read()
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return cb.substract();
     }
@@ -380,8 +387,9 @@ public class InputBuffer extends Reader
     public int read(char[] cbuf)
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return read(cbuf, 0, cbuf.length);
     }
@@ -391,8 +399,9 @@ public class InputBuffer extends Reader
     public int read(char[] cbuf, int off, int len)
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return cb.substract(cbuf, off, len);
     }
@@ -403,8 +412,9 @@ public class InputBuffer extends Reader
         throws IOException {
 
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         if (n < 0) {
             throw new IllegalArgumentException();
@@ -425,8 +435,9 @@ public class InputBuffer extends Reader
                     toRead = (int) (n - nRead);
                 }
                 int nb = realReadChars(cb.getChars(), 0, toRead);
-                if (nb < 0)
+                if (nb < 0) {
                     break;
+                }
             }
         }
 
@@ -439,8 +450,9 @@ public class InputBuffer extends Reader
     public boolean ready()
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         return (available() > 0);
     }
@@ -456,16 +468,17 @@ public class InputBuffer extends Reader
     public void mark(int readAheadLimit)
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         if (cb.getLength() <= 0) {
             cb.setOffset(0);
             cb.setEnd(0);
         } else {
-            if ((cb.getBuffer().length > (2 * size)) 
+            if ((cb.getBuffer().length > (2 * size))
                 && (cb.getLength()) < (cb.getStart())) {
-                System.arraycopy(cb.getBuffer(), cb.getStart(), 
+                System.arraycopy(cb.getBuffer(), cb.getStart(),
                                  cb.getBuffer(), 0, cb.getLength());
                 cb.setEnd(cb.getLength());
                 cb.setOffset(0);
@@ -480,8 +493,9 @@ public class InputBuffer extends Reader
     public void reset()
         throws IOException {
 
-        if (closed)
+        if (closed) {
             throw new IOException(sm.getString("inputBuffer.streamClosed"));
+        }
 
         if (state == CHAR_STATE) {
             if (markPos < 0) {
@@ -497,11 +511,12 @@ public class InputBuffer extends Reader
     }
 
 
-    public void checkConverter() 
+    public void checkConverter()
         throws IOException {
 
-        if (!gotEnc)
+        if (!gotEnc) {
             setConverter();
+        }
 
     }
 
@@ -509,12 +524,14 @@ public class InputBuffer extends Reader
     protected void setConverter()
         throws IOException {
 
-        if (coyoteRequest != null)
+        if (coyoteRequest != null) {
             enc = coyoteRequest.getCharacterEncoding();
+        }
 
         gotEnc = true;
-        if (enc == null)
+        if (enc == null) {
             enc = DEFAULT_ENCODING;
+        }
         conv = encoders.get(enc);
         if (conv == null) {
             if (SecurityUtil.isPackageProtectionEnabled()){
@@ -528,11 +545,12 @@ public class InputBuffer extends Reader
                                 }
 
                             }
-                    );              
+                    );
                 }catch(PrivilegedActionException ex){
                     Exception e = ex.getException();
-                    if (e instanceof IOException)
-                        throw (IOException)e; 
+                    if (e instanceof IOException) {
+                        throw (IOException)e;
+                    }
                 }
             } else {
                 conv = new B2CConverter(enc);

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/MapperListener.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/MapperListener.java?rev=1200175&r1=1200174&r2=1200175&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/MapperListener.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/MapperListener.java Thu Nov 10 06:13:21 2011
@@ -5,15 +5,15 @@
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- */ 
+ */
 package org.apache.catalina.connector;
 
 import org.apache.catalina.Container;
@@ -53,7 +53,7 @@ public class MapperListener extends Life
      * Associated mapper.
      */
     private Mapper mapper = null;
-    
+
     /**
      * Associated connector
      */
@@ -69,7 +69,7 @@ public class MapperListener extends Life
     /**
      * The domain (effectively the engine) this mapper is associated with
      */
-    private String domain = null;
+    private final String domain = null;
 
     // ----------------------------------------------------------- Constructors
 
@@ -90,7 +90,7 @@ public class MapperListener extends Life
         return this.connector.toString();
     }
 
-    
+
     // ------------------------------------------------------- Lifecycle Methods
 
     @Override
@@ -102,10 +102,10 @@ public class MapperListener extends Life
         // MBean listener won't be notified as those components will have
         // already registered their MBeans
         findDefaultHost();
-        
+
         Engine engine = (Engine) connector.getService().getContainer();
         addListeners(engine);
-        
+
         Container[] conHosts = engine.findChildren();
         for (Container conHost : conHosts) {
             Host host = (Host) conHost;
@@ -115,7 +115,7 @@ public class MapperListener extends Life
             }
         }
     }
-        
+
 
     @Override
     public void stopInternal() throws LifecycleException {
@@ -195,55 +195,55 @@ public class MapperListener extends Life
             String hostName = wrapper.getParent().getParent().getName();
 
             String mapping = (String) event.getData();
-            
+
             mapper.removeWrapper(hostName, contextPath, version, mapping);
         } else if (Context.ADD_WELCOME_FILE_EVENT.equals(event.getType())) {
             // Handle dynamically adding welcome files
             Context context = (Context) event.getSource();
-            
+
             String hostName = context.getParent().getName();
 
             String contextPath = context.getPath();
             if ("/".equals(contextPath)) {
                 contextPath = "";
             }
-            
+
             String welcomeFile = (String) event.getData();
-            
+
             mapper.addWelcomeFile(hostName, contextPath,
                     context.getWebappVersion(), welcomeFile);
         } else if (Context.REMOVE_WELCOME_FILE_EVENT.equals(event.getType())) {
             // Handle dynamically removing welcome files
             Context context = (Context) event.getSource();
-            
+
             String hostName = context.getParent().getName();
 
             String contextPath = context.getPath();
             if ("/".equals(contextPath)) {
                 contextPath = "";
             }
-            
+
             String welcomeFile = (String) event.getData();
-            
+
             mapper.removeWelcomeFile(hostName, contextPath,
                     context.getWebappVersion(), welcomeFile);
         } else if (Context.CLEAR_WELCOME_FILES_EVENT.equals(event.getType())) {
             // Handle dynamically clearing welcome files
             Context context = (Context) event.getSource();
-            
+
             String hostName = context.getParent().getName();
 
             String contextPath = context.getPath();
             if ("/".equals(contextPath)) {
                 contextPath = "";
             }
-            
+
             mapper.clearWelcomeFiles(hostName, contextPath,
                     context.getWebappVersion());
         }
     }
 
-    
+
     // ------------------------------------------------------ Protected Methods
 
     private void findDefaultHost() {
@@ -255,14 +255,14 @@ public class MapperListener extends Life
 
         if (defaultHost != null && defaultHost.length() >0) {
             Container[] containers = engine.findChildren();
-            
+
             for (Container container : containers) {
                 Host host = (Host) container;
                 if (defaultHost.equalsIgnoreCase(host.getName())) {
                     found = true;
                     break;
                 }
-                
+
                 String[] aliases = host.findAliases();
                 for (String alias : aliases) {
                     if (defaultHost.equalsIgnoreCase(alias)) {
@@ -281,15 +281,15 @@ public class MapperListener extends Life
         }
     }
 
-    
+
     /**
      * Register host.
      */
     private void registerHost(Host host) {
-        
+
         String[] aliases = host.findAliases();
         mapper.addHost(host.getName(), aliases, host);
-        
+
         for (Container container : host.findChildren()) {
             if (container.getState().isAvailable()) {
                 registerContext((Context) container);
@@ -308,15 +308,16 @@ public class MapperListener extends Life
     private void unregisterHost(Host host) {
 
         String hostname = host.getName();
-        
+
         mapper.removeHost(hostname);
 
-        if(log.isDebugEnabled())
+        if(log.isDebugEnabled()) {
             log.debug(sm.getString("mapperListener.unregisterHost", hostname,
                     domain, connector));
+        }
     }
 
-    
+
     /**
      * Unregister wrapper.
      */
@@ -332,18 +333,18 @@ public class MapperListener extends Life
         String hostName = wrapper.getParent().getParent().getName();
 
         String[] mappings = wrapper.findMappings();
-        
+
         for (String mapping : mappings) {
             mapper.removeWrapper(hostName, contextPath, version,  mapping);
         }
-        
+
         if(log.isDebugEnabled()) {
             log.debug(sm.getString("mapperListener.unregisterWrapper",
                     wrapperName, contextPath, connector));
         }
     }
 
-    
+
     /**
      * Register context.
      */
@@ -354,7 +355,7 @@ public class MapperListener extends Life
             contextPath = "";
         }
         Container host = context.getParent();
-        
+
         javax.naming.Context resources = context.getResources();
         String[] welcomeFiles = context.findWelcomeFiles();
 
@@ -388,9 +389,10 @@ public class MapperListener extends Life
         }
         String hostName = context.getParent().getName();
 
-        if(log.isDebugEnabled())
+        if(log.isDebugEnabled()) {
             log.debug(sm.getString("mapperListener.unregisterContext",
                     contextPath, connector));
+        }
 
         mapper.removeContextVersion(hostName, contextPath,
                 context.getWebappVersion());
@@ -410,7 +412,7 @@ public class MapperListener extends Life
         }
         String version = ((Context) wrapper.getParent()).getWebappVersion();
         String hostName = context.getParent().getName();
-        
+
         String[] mappings = wrapper.findMappings();
 
         for (String mapping : mappings) {
@@ -453,7 +455,7 @@ public class MapperListener extends Life
 
     /**
      * Add this mapper to the container and all child containers
-     * 
+     *
      * @param container
      */
     private void addListeners(Container container) {
@@ -467,7 +469,7 @@ public class MapperListener extends Life
 
     /**
      * Remove this mapper from the container and all child containers
-     * 
+     *
      * @param container
      */
     private void removeListeners(Container container) {

Modified: tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/OutputBuffer.java
URL: http://svn.apache.org/viewvc/tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/OutputBuffer.java?rev=1200175&r1=1200174&r2=1200175&view=diff
==============================================================================
--- tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/OutputBuffer.java (original)
+++ tomcat/tc7.0.x/trunk/java/org/apache/catalina/connector/OutputBuffer.java Thu Nov 10 06:13:21 2011
@@ -5,16 +5,15 @@
  * The ASF licenses this file to You under the Apache License, Version 2.0
  * (the "License"); you may not use this file except in compliance with
  * the License.  You may obtain a copy of the License at
- * 
+ *
  *      http://www.apache.org/licenses/LICENSE-2.0
- * 
+ *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
- */ 
-
+ */
 package org.apache.catalina.connector;
 
 
@@ -34,7 +33,7 @@ import org.apache.tomcat.util.buf.C2BCon
 
 /**
  * The buffer used by Tomcat response. This is a derivative of the Tomcat 3.3
- * OutputBuffer, with the removal of some of the state handling (which in 
+ * OutputBuffer, with the removal of some of the state handling (which in
  * Coyote is mostly the Processor's responsibility).
  *
  * @author Costin Manolache
@@ -47,7 +46,7 @@ public class OutputBuffer extends Writer
     // -------------------------------------------------------------- Constants
 
 
-    public static final String DEFAULT_ENCODING = 
+    public static final String DEFAULT_ENCODING =
         org.apache.coyote.Constants.DEFAULT_CHARACTER_ENCODING;
     public static final int DEFAULT_BUFFER_SIZE = 8*1024;
 
@@ -58,7 +57,7 @@ public class OutputBuffer extends Writer
     /**
      * The byte buffer.
      */
-    private ByteChunk bb;
+    private final ByteChunk bb;
 
 
     /**
@@ -94,7 +93,7 @@ public class OutputBuffer extends Writer
     /**
      * Byte chunk used to output bytes.
      */
-    private ByteChunk outputChunk = new ByteChunk();
+    private final ByteChunk outputChunk = new ByteChunk();
 
 
     /**
@@ -149,7 +148,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Alternate constructor which allows specifying the initial buffer size.
-     * 
+     *
      * @param size Buffer size to use
      */
     public OutputBuffer(int size) {
@@ -166,7 +165,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Associated Coyote response.
-     * 
+     *
      * @param coyoteResponse Associated Coyote response
      */
     public void setResponse(Response coyoteResponse) {
@@ -176,7 +175,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Get associated Coyote response.
-     * 
+     *
      * @return the associated Coyote response
      */
     @Deprecated
@@ -187,7 +186,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Is the response output suspended ?
-     * 
+     *
      * @return suspended flag value
      */
     public boolean isSuspended() {
@@ -197,7 +196,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Set the suspended flag.
-     * 
+     *
      * @param suspended New suspended flag value
      */
     public void setSuspended(boolean suspended) {
@@ -207,7 +206,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Is the response output closed ?
-     * 
+     *
      * @return closed flag value
      */
     public boolean isClosed() {
@@ -222,23 +221,23 @@ public class OutputBuffer extends Writer
      * Recycle the output buffer.
      */
     public void recycle() {
-        
+
         initial = true;
         bytesWritten = 0;
         charsWritten = 0;
-        
-        bb.recycle(); 
+
+        bb.recycle();
         closed = false;
         doFlush = false;
         suspended = false;
-        
+
         if (conv!= null) {
             conv.recycle();
         }
-        
+
         gotEnc = false;
         enc = null;
-        
+
     }
 
 
@@ -248,24 +247,26 @@ public class OutputBuffer extends Writer
     public void clearEncoders() {
         encoders.clear();
     }
-    
-    
+
+
     /**
-     * Close the output buffer. This tries to calculate the response size if 
+     * Close the output buffer. This tries to calculate the response size if
      * the response has not been committed yet.
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     @Override
     public void close()
         throws IOException {
 
-        if (closed)
+        if (closed) {
             return;
-        if (suspended)
+        }
+        if (suspended) {
             return;
+        }
 
-        if ((!coyoteResponse.isCommitted()) 
+        if ((!coyoteResponse.isCommitted())
             && (coyoteResponse.getContentLengthLong() == -1)) {
             // If this didn't cause a commit of the response, the final content
             // length can be calculated
@@ -283,7 +284,7 @@ public class OutputBuffer extends Writer
         Request req = (Request) coyoteResponse.getRequest().getNote(
                 CoyoteAdapter.ADAPTER_NOTES);
         req.inputBuffer.close();
-        
+
         coyoteResponse.finish();
 
     }
@@ -291,7 +292,7 @@ public class OutputBuffer extends Writer
 
     /**
      * Flush bytes or chars contained in the buffer.
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     @Override
@@ -303,14 +304,15 @@ public class OutputBuffer extends Writer
 
     /**
      * Flush bytes or chars contained in the buffer.
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     protected void doFlush(boolean realFlush)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         try {
             doFlush = true;
@@ -326,7 +328,7 @@ public class OutputBuffer extends Writer
         }
 
         if (realFlush) {
-            coyoteResponse.action(ActionCode.CLIENT_FLUSH, 
+            coyoteResponse.action(ActionCode.CLIENT_FLUSH,
                                   coyoteResponse);
             // If some exception occurred earlier, or if some IOE occurred
             // here, notify the servlet with an IOE
@@ -342,24 +344,26 @@ public class OutputBuffer extends Writer
     // ------------------------------------------------- Bytes Handling Methods
 
 
-    /** 
+    /**
      * Sends the buffer data to the client output, checking the
      * state of Response and calling the right interceptors.
-     * 
+     *
      * @param buf Byte buffer to be written to the response
      * @param off Offset
      * @param cnt Length
-     * 
+     *
      * @throws IOException An underlying IOException occurred
      */
     @Override
     public void realWriteBytes(byte buf[], int off, int cnt)
             throws IOException {
 
-        if (closed)
+        if (closed) {
             return;
-        if (coyoteResponse == null)
+        }
+        if (coyoteResponse == null) {
             return;
+        }
 
         // If we really have something to write
         if (cnt > 0) {
@@ -380,19 +384,21 @@ public class OutputBuffer extends Writer
 
     public void write(byte b[], int off, int len) throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         writeBytes(b, off, len);
 
     }
 
 
-    private void writeBytes(byte b[], int off, int len) 
+    private void writeBytes(byte b[], int off, int len)
         throws IOException {
 
-        if (closed)
+        if (closed) {
             return;
+        }
 
         bb.append(b, off, len);
         bytesWritten += len;
@@ -409,8 +415,9 @@ public class OutputBuffer extends Writer
     public void writeByte(int b)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         bb.append((byte) b);
         bytesWritten++;
@@ -425,13 +432,14 @@ public class OutputBuffer extends Writer
     public void write(int c)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         conv.convert((char) c);
         conv.flushBuffer();
         charsWritten++;
-        
+
     }
 
 
@@ -439,8 +447,9 @@ public class OutputBuffer extends Writer
     public void write(char c[])
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         write(c, 0, c.length);
 
@@ -451,8 +460,9 @@ public class OutputBuffer extends Writer
     public void write(char c[], int off, int len)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         conv.convert(c, off, len);
         conv.flushBuffer();
@@ -468,12 +478,14 @@ public class OutputBuffer extends Writer
     public void write(String s, int off, int len)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
         charsWritten += len;
-        if (s == null)
+        if (s == null) {
             s = "null";
+        }
         conv.convert(s, off, len);
         conv.flushBuffer();
 
@@ -484,15 +496,17 @@ public class OutputBuffer extends Writer
     public void write(String s)
         throws IOException {
 
-        if (suspended)
+        if (suspended) {
             return;
+        }
 
-        if (s == null)
+        if (s == null) {
             s = "null";
+        }
         conv.convert(s);
         conv.flushBuffer();
 
-    } 
+    }
 
 
     public void setEncoding(String s) {
@@ -500,27 +514,30 @@ public class OutputBuffer extends Writer
     }
 
 
-    public void checkConverter() 
+    public void checkConverter()
         throws IOException {
 
-        if (!gotEnc)
+        if (!gotEnc) {
             setConverter();
+        }
 
     }
 
 
-    protected void setConverter() 
+    protected void setConverter()
         throws IOException {
 
-        if (coyoteResponse != null)
+        if (coyoteResponse != null) {
             enc = coyoteResponse.getCharacterEncoding();
+        }
 
         gotEnc = true;
-        if (enc == null)
+        if (enc == null) {
             enc = DEFAULT_ENCODING;
+        }
         conv = encoders.get(enc);
         if (conv == null) {
-            
+
             if (Globals.IS_SECURITY_ENABLED){
                 try{
                     conv = AccessController.doPrivileged(
@@ -532,32 +549,33 @@ public class OutputBuffer extends Writer
                                 }
 
                             }
-                    );              
+                    );
                 }catch(PrivilegedActionException ex){
                     Exception e = ex.getException();
-                    if (e instanceof IOException)
-                        throw (IOException)e; 
+                    if (e instanceof IOException) {
+                        throw (IOException)e;
+                    }
                 }
             } else {
                 conv = new C2BConverter(bb, enc);
             }
-            
+
             encoders.put(enc, conv);
 
         }
     }
 
-    
+
     // --------------------  BufferedOutputStream compatibility
 
 
     public long getContentWritten() {
         return bytesWritten + charsWritten;
     }
-    
-    /** 
+
+    /**
      * True if this buffer hasn't been used ( since recycle() ) -
-     * i.e. no chars or bytes have been added to the buffer.  
+     * i.e. no chars or bytes have been added to the buffer.
      */
     public boolean isNew() {
         return (bytesWritten == 0) && (charsWritten == 0);
@@ -579,7 +597,7 @@ public class OutputBuffer extends Writer
         gotEnc = false;
         enc = null;
         initial = true;
-        
+
     }
 
 



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