Package com.twelvemonkeys.imageio.stream
Class SubImageInputStream
- java.lang.Object
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- javax.imageio.stream.ImageInputStreamImpl
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- com.twelvemonkeys.imageio.stream.SubImageInputStream
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- All Implemented Interfaces:
java.io.Closeable
,java.io.DataInput
,java.lang.AutoCloseable
,javax.imageio.stream.ImageInputStream
public final class SubImageInputStream extends javax.imageio.stream.ImageInputStreamImpl
A wrapper forImageInputStream
to limit the number of bytes that can be read.- Version:
- $Id: SubImageInputStream.java,v 1.0 Nov 8, 2009 2:50:58 PM haraldk Exp$
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Constructor Summary
Constructors Constructor Description SubImageInputStream(javax.imageio.stream.ImageInputStream stream, long length)
Creates aImageInputStream
, reading up to a maximum number of bytes from the underlying stream.
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Method Summary
All Methods Instance Methods Concrete Methods Modifier and Type Method Description protected void
finalize()
long
length()
int
read()
int
read(byte[] bytes, int off, int len)
void
seek(long position)
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Methods inherited from class javax.imageio.stream.ImageInputStreamImpl
checkClosed, close, flush, flushBefore, getBitOffset, getByteOrder, getFlushedPosition, getStreamPosition, isCached, isCachedFile, isCachedMemory, mark, read, readBit, readBits, readBoolean, readByte, readBytes, readChar, readDouble, readFloat, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readFully, readInt, readLine, readLong, readShort, readUnsignedByte, readUnsignedInt, readUnsignedShort, readUTF, reset, setBitOffset, setByteOrder, skipBytes, skipBytes
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Constructor Detail
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SubImageInputStream
public SubImageInputStream(javax.imageio.stream.ImageInputStream stream, long length) throws java.io.IOException
Creates aImageInputStream
, reading up to a maximum number of bytes from the underlying stream.- Parameters:
stream
- the underlying streamlength
- the maximum length to read from the stream. Note thatstream
may contain less than this maximum number of bytes.- Throws:
java.io.IOException
- ifstream
's position can't be determined.java.lang.IllegalArgumentException
- ifstream == null
orlength < 0
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Method Detail
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read
public int read() throws java.io.IOException
- Specified by:
read
in interfacejavax.imageio.stream.ImageInputStream
- Specified by:
read
in classjavax.imageio.stream.ImageInputStreamImpl
- Throws:
java.io.IOException
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read
public int read(byte[] bytes, int off, int len) throws java.io.IOException
- Specified by:
read
in interfacejavax.imageio.stream.ImageInputStream
- Specified by:
read
in classjavax.imageio.stream.ImageInputStreamImpl
- Throws:
java.io.IOException
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length
public long length()
- Specified by:
length
in interfacejavax.imageio.stream.ImageInputStream
- Overrides:
length
in classjavax.imageio.stream.ImageInputStreamImpl
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seek
public void seek(long position) throws java.io.IOException
- Specified by:
seek
in interfacejavax.imageio.stream.ImageInputStream
- Overrides:
seek
in classjavax.imageio.stream.ImageInputStreamImpl
- Throws:
java.io.IOException
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finalize
protected void finalize()
- Overrides:
finalize
in classjavax.imageio.stream.ImageInputStreamImpl
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