Class AbstractDiskHttpData
- java.lang.Object
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- io.netty.util.AbstractReferenceCounted
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- io.netty.handler.codec.http.multipart.AbstractHttpData
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- io.netty.handler.codec.http.multipart.AbstractDiskHttpData
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- All Implemented Interfaces:
ByteBufHolder
,HttpData
,InterfaceHttpData
,ReferenceCounted
,java.lang.Comparable<InterfaceHttpData>
- Direct Known Subclasses:
DiskAttribute
,DiskFileUpload
public abstract class AbstractDiskHttpData extends AbstractHttpData
Abstract Disk HttpData implementation
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Nested Class Summary
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Nested classes/interfaces inherited from interface io.netty.handler.codec.http.multipart.InterfaceHttpData
InterfaceHttpData.HttpDataType
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Field Summary
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Fields inherited from class io.netty.handler.codec.http.multipart.AbstractHttpData
definedSize, size
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Constructor Summary
Constructors Modifier Constructor Description protected
AbstractDiskHttpData(java.lang.String name, java.nio.charset.Charset charset, long size)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description void
addContent(ByteBuf buffer, boolean last)
Add the content from the ChannelBuffervoid
delete()
Deletes the underlying storage for a file item, including deleting any associated temporary disk file.protected abstract boolean
deleteOnExit()
byte[]
get()
Returns the contents of the file item as an array of bytes.
Note: this method will allocate a lot of memory, if the data is currently stored on the file system.protected abstract java.lang.String
getBaseDirectory()
ByteBuf
getByteBuf()
Returns the content of the file item as a ByteBuf.
Note: this method will allocate a lot of memory, if the data is currently stored on the file system.ByteBuf
getChunk(int length)
Returns a ChannelBuffer for the content from the current position with at most length read bytes, increasing the current position of the Bytes read.protected abstract java.lang.String
getDiskFilename()
java.io.File
getFile()
protected abstract java.lang.String
getPostfix()
protected abstract java.lang.String
getPrefix()
java.lang.String
getString()
Returns the contents of the file item as a String, using the default character encoding.java.lang.String
getString(java.nio.charset.Charset encoding)
Returns the contents of the file item as a String, using the specified charset.boolean
isInMemory()
Provides a hint as to whether or not the file contents will be read from memory.boolean
renameTo(java.io.File dest)
A convenience getMethod to write an uploaded item to disk.void
setContent(ByteBuf buffer)
Set the content from the ChannelBuffer (erase any previous data)void
setContent(java.io.File file)
Set the content from the file (erase any previous data)void
setContent(java.io.InputStream inputStream)
Set the content from the inputStream (erase any previous data)HttpData
touch()
Records the current access location of this object for debugging purposes.HttpData
touch(java.lang.Object hint)
Records the current access location of this object with an additional arbitrary information for debugging purposes.-
Methods inherited from class io.netty.handler.codec.http.multipart.AbstractHttpData
checkSize, content, deallocate, definedLength, getCharset, getMaxSize, getName, isCompleted, length, retain, retain, setCharset, setCompleted, setCompleted, setMaxSize
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Methods inherited from class io.netty.util.AbstractReferenceCounted
refCnt, release, release, setRefCnt
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Methods inherited from class java.lang.Object
clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait
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Methods inherited from interface io.netty.handler.codec.http.multipart.HttpData
copy, duplicate, replace, retainedDuplicate
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Methods inherited from interface io.netty.handler.codec.http.multipart.InterfaceHttpData
getHttpDataType
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Methods inherited from interface io.netty.util.ReferenceCounted
refCnt, release, release
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Method Detail
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getDiskFilename
protected abstract java.lang.String getDiskFilename()
- Returns:
- the real DiskFilename (basename)
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getPrefix
protected abstract java.lang.String getPrefix()
- Returns:
- the default prefix
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getBaseDirectory
protected abstract java.lang.String getBaseDirectory()
- Returns:
- the default base Directory
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getPostfix
protected abstract java.lang.String getPostfix()
- Returns:
- the default postfix
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deleteOnExit
protected abstract boolean deleteOnExit()
- Returns:
- True if the file should be deleted on Exit by default
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setContent
public void setContent(ByteBuf buffer) throws java.io.IOException
Description copied from interface:HttpData
Set the content from the ChannelBuffer (erase any previous data)ReferenceCounted.release()
ownership ofbuffer
is transferred to thisHttpData
.- Parameters:
buffer
- must be not null- Throws:
java.io.IOException
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addContent
public void addContent(ByteBuf buffer, boolean last) throws java.io.IOException
Description copied from interface:HttpData
Add the content from the ChannelBufferReferenceCounted.release()
ownership ofbuffer
is transferred to thisHttpData
.- Parameters:
buffer
- must be not null except if last is set to Falselast
- True of the buffer is the last one- Throws:
java.io.IOException
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setContent
public void setContent(java.io.File file) throws java.io.IOException
Description copied from interface:HttpData
Set the content from the file (erase any previous data)- Parameters:
file
- must be not null- Throws:
java.io.IOException
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setContent
public void setContent(java.io.InputStream inputStream) throws java.io.IOException
Description copied from interface:HttpData
Set the content from the inputStream (erase any previous data)- Parameters:
inputStream
- must be not null- Throws:
java.io.IOException
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delete
public void delete()
Description copied from interface:HttpData
Deletes the underlying storage for a file item, including deleting any associated temporary disk file.
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get
public byte[] get() throws java.io.IOException
Description copied from interface:HttpData
Returns the contents of the file item as an array of bytes.
Note: this method will allocate a lot of memory, if the data is currently stored on the file system.- Returns:
- the contents of the file item as an array of bytes.
- Throws:
java.io.IOException
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getByteBuf
public ByteBuf getByteBuf() throws java.io.IOException
Description copied from interface:HttpData
Returns the content of the file item as a ByteBuf.
Note: this method will allocate a lot of memory, if the data is currently stored on the file system.- Returns:
- the content of the file item as a ByteBuf
- Throws:
java.io.IOException
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getChunk
public ByteBuf getChunk(int length) throws java.io.IOException
Description copied from interface:HttpData
Returns a ChannelBuffer for the content from the current position with at most length read bytes, increasing the current position of the Bytes read. Once it arrives at the end, it returns an EMPTY_BUFFER and it resets the current position to 0.- Returns:
- a ChannelBuffer for the content from the current position or an EMPTY_BUFFER if there is no more data to return
- Throws:
java.io.IOException
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getString
public java.lang.String getString() throws java.io.IOException
Description copied from interface:HttpData
Returns the contents of the file item as a String, using the default character encoding.- Returns:
- the contents of the file item as a String, using the default character encoding.
- Throws:
java.io.IOException
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getString
public java.lang.String getString(java.nio.charset.Charset encoding) throws java.io.IOException
Description copied from interface:HttpData
Returns the contents of the file item as a String, using the specified charset.- Parameters:
encoding
- the charset to use- Returns:
- the contents of the file item as a String, using the specified charset.
- Throws:
java.io.IOException
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isInMemory
public boolean isInMemory()
Description copied from interface:HttpData
Provides a hint as to whether or not the file contents will be read from memory.- Returns:
- True if the file contents is in memory.
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renameTo
public boolean renameTo(java.io.File dest) throws java.io.IOException
Description copied from interface:HttpData
A convenience getMethod to write an uploaded item to disk. If a previous one exists, it will be deleted. Once this getMethod is called, if successful, the new file will be out of the cleaner of the factory that creates the original InterfaceHttpData object.- Parameters:
dest
- destination file - must be not null- Returns:
- True if the write is successful
- Throws:
java.io.IOException
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getFile
public java.io.File getFile() throws java.io.IOException
- Returns:
- the associated File if this data is represented in a file
- Throws:
java.io.IOException
- if this data is not represented by a file
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touch
public HttpData touch()
Description copied from interface:ReferenceCounted
Records the current access location of this object for debugging purposes. If this object is determined to be leaked, the information recorded by this operation will be provided to you viaResourceLeakDetector
. This method is a shortcut totouch(null)
.- Specified by:
touch
in interfaceByteBufHolder
- Specified by:
touch
in interfaceHttpData
- Specified by:
touch
in interfaceInterfaceHttpData
- Specified by:
touch
in interfaceReferenceCounted
- Specified by:
touch
in classAbstractHttpData
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touch
public HttpData touch(java.lang.Object hint)
Description copied from interface:ReferenceCounted
Records the current access location of this object with an additional arbitrary information for debugging purposes. If this object is determined to be leaked, the information recorded by this operation will be provided to you viaResourceLeakDetector
.- Specified by:
touch
in interfaceByteBufHolder
- Specified by:
touch
in interfaceHttpData
- Specified by:
touch
in interfaceInterfaceHttpData
- Specified by:
touch
in interfaceReferenceCounted
- Specified by:
touch
in classAbstractHttpData
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