Class ByteSource
- java.lang.Object
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- org.apache.commons.imaging.common.bytesource.ByteSource
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- Direct Known Subclasses:
ByteSourceArray
,ByteSourceFile
,ByteSourceInputStream
public abstract class ByteSource extends Object
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Constructor Summary
Constructors Constructor Description ByteSource(String fileName)
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Method Summary
All Methods Instance Methods Abstract Methods Concrete Methods Modifier and Type Method Description abstract byte[]
getAll()
byte[]
getBlock(int start, int length)
abstract byte[]
getBlock(long start, int length)
abstract String
getDescription()
String
getFileName()
abstract InputStream
getInputStream()
InputStream
getInputStream(long start)
abstract long
getLength()
This operation can be VERY expensive; for inputstream byte sources, the entire stream must be drained to determine its length.
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Constructor Detail
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ByteSource
public ByteSource(String fileName)
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Method Detail
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getInputStream
public final InputStream getInputStream(long start) throws IOException
- Throws:
IOException
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getInputStream
public abstract InputStream getInputStream() throws IOException
- Throws:
IOException
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getBlock
public byte[] getBlock(int start, int length) throws IOException
- Throws:
IOException
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getBlock
public abstract byte[] getBlock(long start, int length) throws IOException
- Throws:
IOException
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getAll
public abstract byte[] getAll() throws IOException
- Throws:
IOException
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getLength
public abstract long getLength() throws IOException
This operation can be VERY expensive; for inputstream byte sources, the entire stream must be drained to determine its length.- Returns:
- the byte source length
- Throws:
IOException
- if it fails to read the byte source data
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getDescription
public abstract String getDescription()
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getFileName
public final String getFileName()
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