diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractDiskHttpData.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractDiskHttpData.java
index 69a2e01518..0e018131c5 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractDiskHttpData.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractDiskHttpData.java
@@ -94,6 +94,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return tmpFile;
     }
 
+    @Override
     public void setContent(ByteBuf buffer) throws IOException {
         if (buffer == null) {
             throw new NullPointerException("buffer");
@@ -124,6 +125,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void addContent(ByteBuf buffer, boolean last)
             throws IOException {
         if (buffer != null) {
@@ -166,6 +168,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         }
     }
 
+    @Override
     public void setContent(File file) throws IOException {
         if (this.file != null) {
             delete();
@@ -176,6 +179,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void setContent(InputStream inputStream) throws IOException {
         if (inputStream == null) {
             throw new NullPointerException("inputStream");
@@ -207,6 +211,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void delete() {
         if (! isRenamed) {
             if (file != null) {
@@ -215,6 +220,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         }
     }
 
+    @Override
     public byte[] get() throws IOException {
         if (file == null) {
             return new byte[0];
@@ -222,6 +228,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return readFrom(file);
     }
 
+    @Override
     public ByteBuf getByteBuf() throws IOException {
         if (file == null) {
             return EMPTY_BUFFER;
@@ -230,6 +237,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return wrappedBuffer(array);
     }
 
+    @Override
     public ByteBuf getChunk(int length) throws IOException {
         if (file == null || length == 0) {
             return EMPTY_BUFFER;
@@ -260,10 +268,12 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return buffer;
     }
 
+    @Override
     public String getString() throws IOException {
         return getString(HttpConstants.DEFAULT_CHARSET);
     }
 
+    @Override
     public String getString(Charset encoding) throws IOException {
         if (file == null) {
             return "";
@@ -276,10 +286,12 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return new String(array, encoding.name());
     }
 
+    @Override
     public boolean isInMemory() {
         return false;
     }
 
+    @Override
     public boolean renameTo(File dest) throws IOException {
         if (dest == null) {
             throw new NullPointerException("dest");
@@ -339,6 +351,7 @@ public abstract class AbstractDiskHttpData extends AbstractHttpData {
         return array;
     }
 
+    @Override
     public File getFile() throws IOException {
         return file;
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractHttpData.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractHttpData.java
index 92dcdfb2e2..cf7d70fe6f 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractHttpData.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractHttpData.java
@@ -69,18 +69,22 @@ public abstract class AbstractHttpData implements HttpData {
         definedSize = size;
     }
 
+    @Override
     public String getName() {
         return name;
     }
 
+    @Override
     public boolean isCompleted() {
         return completed;
     }
 
+    @Override
     public Charset getCharset() {
         return charset;
     }
 
+    @Override
     public void setCharset(Charset charset) {
         if (charset == null) {
             throw new NullPointerException("charset");
@@ -88,6 +92,7 @@ public abstract class AbstractHttpData implements HttpData {
         this.charset = charset;
     }
 
+    @Override
     public long length() {
         return size;
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractMemoryHttpData.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractMemoryHttpData.java
index c02d5f5680..6ff0cb941e 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractMemoryHttpData.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/AbstractMemoryHttpData.java
@@ -43,6 +43,7 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         super(name, charset, size);
     }
 
+    @Override
     public void setContent(ByteBuf buffer) throws IOException {
         if (buffer == null) {
             throw new NullPointerException("buffer");
@@ -57,6 +58,7 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void setContent(InputStream inputStream) throws IOException {
         if (inputStream == null) {
             throw new NullPointerException("inputStream");
@@ -78,6 +80,7 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void addContent(ByteBuf buffer, boolean last)
             throws IOException {
         if (buffer != null) {
@@ -102,6 +105,7 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         }
     }
 
+    @Override
     public void setContent(File file) throws IOException {
         if (file == null) {
             throw new NullPointerException("file");
@@ -127,10 +131,12 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         completed = true;
     }
 
+    @Override
     public void delete() {
         // nothing to do
     }
 
+    @Override
     public byte[] get() {
         if (byteBuf == null) {
             return new byte[0];
@@ -140,10 +146,12 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         return array;
     }
 
+    @Override
     public String getString() {
         return getString(HttpConstants.DEFAULT_CHARSET);
     }
 
+    @Override
     public String getString(Charset encoding) {
         if (byteBuf == null) {
             return "";
@@ -159,10 +167,12 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
      * to a Disk (or another implementation) FileUpload
      * @return the attached ByteBuf containing the actual bytes
      */
+    @Override
     public ByteBuf getByteBuf() {
         return byteBuf;
     }
 
+    @Override
     public ByteBuf getChunk(int length) throws IOException {
         if (byteBuf == null || length == 0 || byteBuf.readableBytes() == 0) {
             chunkPosition = 0;
@@ -182,10 +192,12 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         return chunk;
     }
 
+    @Override
     public boolean isInMemory() {
         return true;
     }
 
+    @Override
     public boolean renameTo(File dest) throws IOException {
         if (dest == null) {
             throw new NullPointerException("dest");
@@ -211,6 +223,7 @@ public abstract class AbstractMemoryHttpData extends AbstractHttpData {
         return written == length;
     }
 
+    @Override
     public File getFile() throws IOException {
         throw new IOException("Not represented by a file");
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/CaseIgnoringComparator.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/CaseIgnoringComparator.java
index 830627e004..ef86ef0de1 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/CaseIgnoringComparator.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/CaseIgnoringComparator.java
@@ -28,6 +28,7 @@ public final class CaseIgnoringComparator implements Comparator<String>, Seriali
         super();
     }
 
+    @Override
     public int compare(String o1, String o2) {
         return o1.compareToIgnoreCase(o2);
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DefaultHttpDataFactory.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DefaultHttpDataFactory.java
index 40dd566a8f..b25ecac29b 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DefaultHttpDataFactory.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DefaultHttpDataFactory.java
@@ -92,6 +92,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
         return list;
     }
 
+    @Override
     public Attribute createAttribute(HttpRequest request, String name) {
         if (useDisk) {
             Attribute attribute = new DiskAttribute(name);
@@ -107,6 +108,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
         return new MemoryAttribute(name);
     }
 
+    @Override
     public Attribute createAttribute(HttpRequest request, String name, String value) {
         if (useDisk) {
             Attribute attribute;
@@ -132,6 +134,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
         }
     }
 
+    @Override
     public FileUpload createFileUpload(HttpRequest request, String name, String filename,
             String contentType, String contentTransferEncoding, Charset charset,
             long size) {
@@ -152,6 +155,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
                 contentTransferEncoding, charset, size);
     }
 
+    @Override
     public void removeHttpDataFromClean(HttpRequest request, InterfaceHttpData data) {
         if (data instanceof HttpData) {
             List<HttpData> fileToDelete = getList(request);
@@ -159,6 +163,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
         }
     }
 
+    @Override
     public void cleanRequestHttpDatas(HttpRequest request) {
         List<HttpData> fileToDelete = requestFileDeleteMap.remove(request);
         if (fileToDelete != null) {
@@ -169,6 +174,7 @@ public class DefaultHttpDataFactory implements HttpDataFactory {
         }
     }
 
+    @Override
     public void cleanAllHttpDatas() {
         for (HttpRequest request : requestFileDeleteMap.keySet()) {
             List<HttpData> fileToDelete = requestFileDeleteMap.get(request);
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskAttribute.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskAttribute.java
index 2c3aff2db7..76d313ee5e 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskAttribute.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskAttribute.java
@@ -53,15 +53,18 @@ public class DiskAttribute extends AbstractDiskHttpData implements Attribute {
         setValue(value);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return HttpDataType.Attribute;
     }
 
+    @Override
     public String getValue() throws IOException {
         byte [] bytes = get();
         return new String(bytes, charset.name());
     }
 
+    @Override
     public void setValue(String value) throws IOException {
         if (value == null) {
             throw new NullPointerException("value");
@@ -96,6 +99,7 @@ public class DiskAttribute extends AbstractDiskHttpData implements Attribute {
         return getName().equalsIgnoreCase(attribute.getName());
     }
 
+    @Override
     public int compareTo(InterfaceHttpData arg0) {
         if (!(arg0 instanceof Attribute)) {
             throw new ClassCastException("Cannot compare " + getHttpDataType() +
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskFileUpload.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskFileUpload.java
index ebca0acf3c..26c67295b0 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskFileUpload.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/DiskFileUpload.java
@@ -46,14 +46,17 @@ public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
         setContentTransferEncoding(contentTransferEncoding);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return HttpDataType.FileUpload;
     }
 
+    @Override
     public String getFilename() {
         return filename;
     }
 
+    @Override
     public void setFilename(String filename) {
         if (filename == null) {
             throw new NullPointerException("filename");
@@ -75,6 +78,7 @@ public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
         return getName().equalsIgnoreCase(attribute.getName());
     }
 
+    @Override
     public int compareTo(InterfaceHttpData arg0) {
         if (!(arg0 instanceof FileUpload)) {
             throw new ClassCastException("Cannot compare " + getHttpDataType() +
@@ -93,6 +97,7 @@ public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
         return v;
     }
 
+    @Override
     public void setContentType(String contentType) {
         if (contentType == null) {
             throw new NullPointerException("contentType");
@@ -100,14 +105,17 @@ public class DiskFileUpload extends AbstractDiskHttpData implements FileUpload {
         this.contentType = contentType;
     }
 
+    @Override
     public String getContentType() {
         return contentType;
     }
 
+    @Override
     public String getContentTransferEncoding() {
         return contentTransferEncoding;
     }
 
+    @Override
     public void setContentTransferEncoding(String contentTransferEncoding) {
         this.contentTransferEncoding = contentTransferEncoding;
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestEncoder.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestEncoder.java
index 8bb4d43cc3..427a242419 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestEncoder.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/HttpPostRequestEncoder.java
@@ -885,6 +885,7 @@ public class HttpPostRequestEncoder implements ChunkedMessageInput<HttpChunk> {
         return new DefaultHttpChunk(buffer);
     }
 
+    @Override
     public void close() throws Exception {
         // NO since the user can want to reuse (broadcast for instance)
         // cleanFiles();
@@ -898,6 +899,7 @@ public class HttpPostRequestEncoder implements ChunkedMessageInput<HttpChunk> {
      * @throws ErrorDataEncoderException
      *             if the encoding is in error
      */
+    @Override
     public boolean readChunk(MessageBuf<HttpChunk> buffer) throws ErrorDataEncoderException {
         if (isLastChunkSent) {
             return false;
@@ -984,6 +986,7 @@ public class HttpPostRequestEncoder implements ChunkedMessageInput<HttpChunk> {
         return new DefaultHttpChunk(buffer);
     }
 
+    @Override
     public boolean isEndOfInput() throws Exception {
         return isLastChunkSent;
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/InternalAttribute.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/InternalAttribute.java
index eb35ec884d..4256152038 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/InternalAttribute.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/InternalAttribute.java
@@ -25,6 +25,7 @@ import java.util.List;
 public class InternalAttribute implements InterfaceHttpData {
     protected List<String> value = new ArrayList<String>();
 
+    @Override
     public HttpDataType getHttpDataType() {
         return HttpDataType.InternalAttribute;
     }
@@ -68,6 +69,7 @@ public class InternalAttribute implements InterfaceHttpData {
         return getName().equalsIgnoreCase(attribute.getName());
     }
 
+    @Override
     public int compareTo(InterfaceHttpData arg0) {
         if (!(arg0 instanceof InternalAttribute)) {
             throw new ClassCastException("Cannot compare " + getHttpDataType() +
@@ -96,6 +98,7 @@ public class InternalAttribute implements InterfaceHttpData {
         return result.toString();
     }
 
+    @Override
     public String getName() {
         return "InternalAttribute";
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryAttribute.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryAttribute.java
index ba26cb64dd..045acbab9e 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryAttribute.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryAttribute.java
@@ -42,14 +42,17 @@ public class MemoryAttribute extends AbstractMemoryHttpData implements Attribute
         setValue(value);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return HttpDataType.Attribute;
     }
 
+    @Override
     public String getValue() {
         return getByteBuf().toString(charset);
     }
 
+    @Override
     public void setValue(String value) throws IOException {
         if (value == null) {
             throw new NullPointerException("value");
@@ -85,6 +88,7 @@ public class MemoryAttribute extends AbstractMemoryHttpData implements Attribute
         return getName().equalsIgnoreCase(attribute.getName());
     }
 
+    @Override
     public int compareTo(InterfaceHttpData arg0) {
         if (!(arg0 instanceof Attribute)) {
             throw new ClassCastException("Cannot compare " + getHttpDataType() +
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryFileUpload.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryFileUpload.java
index a7e3b4c342..0dc3074304 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryFileUpload.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MemoryFileUpload.java
@@ -40,14 +40,17 @@ public class MemoryFileUpload extends AbstractMemoryHttpData implements FileUplo
         setContentTransferEncoding(contentTransferEncoding);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return HttpDataType.FileUpload;
     }
 
+    @Override
     public String getFilename() {
         return filename;
     }
 
+    @Override
     public void setFilename(String filename) {
         if (filename == null) {
             throw new NullPointerException("filename");
@@ -69,6 +72,7 @@ public class MemoryFileUpload extends AbstractMemoryHttpData implements FileUplo
         return getName().equalsIgnoreCase(attribute.getName());
     }
 
+    @Override
     public int compareTo(InterfaceHttpData arg0) {
         if (!(arg0 instanceof FileUpload)) {
             throw new ClassCastException("Cannot compare " + getHttpDataType() +
@@ -87,6 +91,7 @@ public class MemoryFileUpload extends AbstractMemoryHttpData implements FileUplo
         return v;
     }
 
+    @Override
     public void setContentType(String contentType) {
         if (contentType == null) {
             throw new NullPointerException("contentType");
@@ -94,14 +99,17 @@ public class MemoryFileUpload extends AbstractMemoryHttpData implements FileUplo
         this.contentType = contentType;
     }
 
+    @Override
     public String getContentType() {
         return contentType;
     }
 
+    @Override
     public String getContentTransferEncoding() {
         return contentTransferEncoding;
     }
 
+    @Override
     public void setContentTransferEncoding(String contentTransferEncoding) {
         this.contentTransferEncoding = contentTransferEncoding;
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedAttribute.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedAttribute.java
index dd5fd27abe..404053fe2c 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedAttribute.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedAttribute.java
@@ -57,6 +57,7 @@ public class MixedAttribute implements Attribute {
         }
     }
 
+    @Override
     public void addContent(ByteBuf buffer, boolean last) throws IOException {
         if (attribute instanceof MemoryAttribute) {
             if (attribute.length() + buffer.readableBytes() > limitSize) {
@@ -72,50 +73,62 @@ public class MixedAttribute implements Attribute {
         attribute.addContent(buffer, last);
     }
 
+    @Override
     public void delete() {
         attribute.delete();
     }
 
+    @Override
     public byte[] get() throws IOException {
         return attribute.get();
     }
 
+    @Override
     public ByteBuf getByteBuf() throws IOException {
         return attribute.getByteBuf();
     }
 
+    @Override
     public Charset getCharset() {
         return attribute.getCharset();
     }
 
+    @Override
     public String getString() throws IOException {
         return attribute.getString();
     }
 
+    @Override
     public String getString(Charset encoding) throws IOException {
         return attribute.getString(encoding);
     }
 
+    @Override
     public boolean isCompleted() {
         return attribute.isCompleted();
     }
 
+    @Override
     public boolean isInMemory() {
         return attribute.isInMemory();
     }
 
+    @Override
     public long length() {
         return attribute.length();
     }
 
+    @Override
     public boolean renameTo(File dest) throws IOException {
         return attribute.renameTo(dest);
     }
 
+    @Override
     public void setCharset(Charset charset) {
         attribute.setCharset(charset);
     }
 
+    @Override
     public void setContent(ByteBuf buffer) throws IOException {
         if (buffer.readableBytes() > limitSize) {
             if (attribute instanceof MemoryAttribute) {
@@ -126,6 +139,7 @@ public class MixedAttribute implements Attribute {
         attribute.setContent(buffer);
     }
 
+    @Override
     public void setContent(File file) throws IOException {
         if (file.length() > limitSize) {
             if (attribute instanceof MemoryAttribute) {
@@ -136,6 +150,7 @@ public class MixedAttribute implements Attribute {
         attribute.setContent(file);
     }
 
+    @Override
     public void setContent(InputStream inputStream) throws IOException {
         if (attribute instanceof MemoryAttribute) {
             // change to Disk even if we don't know the size
@@ -144,14 +159,17 @@ public class MixedAttribute implements Attribute {
         attribute.setContent(inputStream);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return attribute.getHttpDataType();
     }
 
+    @Override
     public String getName() {
         return attribute.getName();
     }
 
+    @Override
     public int compareTo(InterfaceHttpData o) {
         return attribute.compareTo(o);
     }
@@ -161,18 +179,22 @@ public class MixedAttribute implements Attribute {
         return "Mixed: " + attribute.toString();
     }
 
+    @Override
     public String getValue() throws IOException {
         return attribute.getValue();
     }
 
+    @Override
     public void setValue(String value) throws IOException {
         attribute.setValue(value);
     }
 
+    @Override
     public ByteBuf getChunk(int length) throws IOException {
         return attribute.getChunk(length);
     }
 
+    @Override
     public File getFile() throws IOException {
         return attribute.getFile();
     }
diff --git a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedFileUpload.java b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedFileUpload.java
index e0d6de5dfd..73f94caa78 100644
--- a/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedFileUpload.java
+++ b/codec-http/src/main/java/io/netty/handler/codec/http/multipart/MixedFileUpload.java
@@ -46,6 +46,7 @@ public class MixedFileUpload implements FileUpload {
         definedSize = size;
     }
 
+    @Override
     public void addContent(ByteBuf buffer, boolean last)
             throws IOException {
         if (fileUpload instanceof MemoryFileUpload) {
@@ -65,62 +66,77 @@ public class MixedFileUpload implements FileUpload {
         fileUpload.addContent(buffer, last);
     }
 
+    @Override
     public void delete() {
         fileUpload.delete();
     }
 
+    @Override
     public byte[] get() throws IOException {
         return fileUpload.get();
     }
 
+    @Override
     public ByteBuf getByteBuf() throws IOException {
         return fileUpload.getByteBuf();
     }
 
+    @Override
     public Charset getCharset() {
         return fileUpload.getCharset();
     }
 
+    @Override
     public String getContentType() {
         return fileUpload.getContentType();
     }
 
+    @Override
     public String getContentTransferEncoding() {
         return fileUpload.getContentTransferEncoding();
     }
 
+    @Override
     public String getFilename() {
         return fileUpload.getFilename();
     }
 
+    @Override
     public String getString() throws IOException {
         return fileUpload.getString();
     }
 
+    @Override
     public String getString(Charset encoding) throws IOException {
         return fileUpload.getString(encoding);
     }
 
+    @Override
     public boolean isCompleted() {
         return fileUpload.isCompleted();
     }
 
+    @Override
     public boolean isInMemory() {
         return fileUpload.isInMemory();
     }
 
+    @Override
     public long length() {
         return fileUpload.length();
     }
 
+    @Override
     public boolean renameTo(File dest) throws IOException {
         return fileUpload.renameTo(dest);
     }
 
+    @Override
     public void setCharset(Charset charset) {
         fileUpload.setCharset(charset);
     }
 
+    @Override
     public void setContent(ByteBuf buffer) throws IOException {
         if (buffer.readableBytes() > limitSize) {
             if (fileUpload instanceof MemoryFileUpload) {
@@ -135,6 +151,7 @@ public class MixedFileUpload implements FileUpload {
         fileUpload.setContent(buffer);
     }
 
+    @Override
     public void setContent(File file) throws IOException {
         if (file.length() > limitSize) {
             if (fileUpload instanceof MemoryFileUpload) {
@@ -149,6 +166,7 @@ public class MixedFileUpload implements FileUpload {
         fileUpload.setContent(file);
     }
 
+    @Override
     public void setContent(InputStream inputStream) throws IOException {
         if (fileUpload instanceof MemoryFileUpload) {
             // change to Disk
@@ -161,26 +179,32 @@ public class MixedFileUpload implements FileUpload {
         fileUpload.setContent(inputStream);
     }
 
+    @Override
     public void setContentType(String contentType) {
         fileUpload.setContentType(contentType);
     }
 
+    @Override
     public void setContentTransferEncoding(String contentTransferEncoding) {
         fileUpload.setContentTransferEncoding(contentTransferEncoding);
     }
 
+    @Override
     public void setFilename(String filename) {
         fileUpload.setFilename(filename);
     }
 
+    @Override
     public HttpDataType getHttpDataType() {
         return fileUpload.getHttpDataType();
     }
 
+    @Override
     public String getName() {
         return fileUpload.getName();
     }
 
+    @Override
     public int compareTo(InterfaceHttpData o) {
         return fileUpload.compareTo(o);
     }
@@ -190,10 +214,12 @@ public class MixedFileUpload implements FileUpload {
         return "Mixed: " + fileUpload.toString();
     }
 
+    @Override
     public ByteBuf getChunk(int length) throws IOException {
         return fileUpload.getChunk(length);
     }
 
+    @Override
     public File getFile() throws IOException {
         return fileUpload.getFile();
     }