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java.lang.Objectorg.alfresco.encoding.AbstractCharactersetFinder
org.alfresco.encoding.BomCharactersetFinder
public class BomCharactersetFinder
Byte Order Marker encoding detection.
Constructor Summary | |
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BomCharactersetFinder()
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Method Summary | |
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protected java.nio.charset.Charset |
detectCharsetImpl(byte[] buffer)
Just searches the Byte Order Marker, i.e. |
protected int |
getBufferSize()
Some implementations may only require a few bytes to do detect the stream type, whilst others may be more efficient with larger buffers. |
void |
setBufferSize(int bufferSize)
Set the maximum number of bytes to read ahead when attempting to determine the characterset. |
Methods inherited from class org.alfresco.encoding.AbstractCharactersetFinder |
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detectCharset, detectCharset |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public BomCharactersetFinder()
Method Detail |
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public void setBufferSize(int bufferSize)
AbstractCharactersetFinder
setBufferSize
in class AbstractCharactersetFinder
bufferSize
- the number of bytes - default 8K.protected int getBufferSize()
AbstractCharactersetFinder
Only override this method if there is a very compelling reason to adjust the buffer
size, and then consider handling the AbstractCharactersetFinder.setBufferSize(int)
method by issuing a
warning. This will prevent users from setting the buffer size when it has no effect.
getBufferSize
in class AbstractCharactersetFinder
AbstractCharactersetFinder.setBufferSize(int)
protected java.nio.charset.Charset detectCharsetImpl(byte[] buffer) throws java.lang.Exception
detectCharsetImpl
in class AbstractCharactersetFinder
buffer
- the buffer of data no bigger than the requested
best buffer size. This can,
very efficiently, be turned into an InputStream using a
ByteArrayInputStream.
java.lang.Exception
- Any exception, checked or not
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