Package org.apache.commons.io.input
Class SwappedDataInputStream
java.lang.Object
java.io.InputStream
java.io.FilterInputStream
org.apache.commons.io.input.ProxyInputStream
org.apache.commons.io.input.SwappedDataInputStream
- All Implemented Interfaces:
Closeable
,DataInput
,AutoCloseable
DataInput for systems relying on little endian data formats. When read, values will be changed from little endian to
big endian formats for internal usage.
Origin of code: Avalon Excalibur (IO)
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Field Summary
Fields inherited from class java.io.FilterInputStream
in
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Constructor Summary
ConstructorsConstructorDescriptionConstructs a SwappedDataInputStream. -
Method Summary
Modifier and TypeMethodDescriptionboolean
ReturnreadByte()
!= 0byte
readByte()
Invokes the delegate'sread()
method.char
readChar()
Reads a character delegating toreadShort()
.double
Delegates toEndianUtils.readSwappedDouble(InputStream)
.float
Delegates toEndianUtils.readSwappedFloat(InputStream)
.void
readFully
(byte[] data) Invokes the delegate'sread(byte[] data, int, int)
method.void
readFully
(byte[] data, int offset, int length) Invokes the delegate'sread(byte[] data, int, int)
method.int
readInt()
Delegates toEndianUtils.readSwappedInteger(InputStream)
.readLine()
Not currently supported - throwsUnsupportedOperationException
.long
readLong()
Delegates toEndianUtils.readSwappedLong(InputStream)
.short
Delegates toEndianUtils.readSwappedShort(InputStream)
.int
Invokes the delegate'sread()
method.int
Delegates toEndianUtils.readSwappedUnsignedShort(InputStream)
.readUTF()
Not currently supported - throwsUnsupportedOperationException
.int
skipBytes
(int count) Invokes the delegate'sskip(int)
method.Methods inherited from class org.apache.commons.io.input.ProxyInputStream
afterRead, available, beforeRead, close, handleIOException, mark, markSupported, read, read, read, reset, skip
Methods inherited from class java.io.InputStream
nullInputStream, readAllBytes, readNBytes, readNBytes, skipNBytes, transferTo
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Constructor Details
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SwappedDataInputStream
Constructs a SwappedDataInputStream.- Parameters:
input
- InputStream to read from
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Method Details
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readBoolean
ReturnreadByte()
!= 0- Specified by:
readBoolean
in interfaceDataInput
- Returns:
- false if the byte read is zero, otherwise true
- Throws:
IOException
- if an I/O error occurs.EOFException
- if an end of file is reached unexpectedly
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readByte
Invokes the delegate'sread()
method.- Specified by:
readByte
in interfaceDataInput
- Returns:
- the byte read or -1 if the end of stream
- Throws:
IOException
- if an I/O error occurs.EOFException
- if an end of file is reached unexpectedly
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readChar
Reads a character delegating toreadShort()
.- Specified by:
readChar
in interfaceDataInput
- Returns:
- the byte read or -1 if the end of stream
- Throws:
IOException
- if an I/O error occurs.EOFException
- if an end of file is reached unexpectedly
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readDouble
Delegates toEndianUtils.readSwappedDouble(InputStream)
.- Specified by:
readDouble
in interfaceDataInput
- Returns:
- the read long
- Throws:
IOException
- if an I/O error occurs.EOFException
- if an end of file is reached unexpectedly
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readFloat
Delegates toEndianUtils.readSwappedFloat(InputStream)
.- Specified by:
readFloat
in interfaceDataInput
- Returns:
- the read long
- Throws:
IOException
- if an I/O error occurs.EOFException
- if an end of file is reached unexpectedly
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readFully
Invokes the delegate'sread(byte[] data, int, int)
method.- Specified by:
readFully
in interfaceDataInput
- Parameters:
data
- the buffer to read the bytes into- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readFully
Invokes the delegate'sread(byte[] data, int, int)
method.- Specified by:
readFully
in interfaceDataInput
- Parameters:
data
- the buffer to read the bytes intooffset
- The start offsetlength
- The number of bytes to read- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readInt
Delegates toEndianUtils.readSwappedInteger(InputStream)
.- Specified by:
readInt
in interfaceDataInput
- Returns:
- the read long
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readLine
Not currently supported - throwsUnsupportedOperationException
.- Specified by:
readLine
in interfaceDataInput
- Returns:
- the line read
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readLong
Delegates toEndianUtils.readSwappedLong(InputStream)
.- Specified by:
readLong
in interfaceDataInput
- Returns:
- the read long
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readShort
Delegates toEndianUtils.readSwappedShort(InputStream)
.- Specified by:
readShort
in interfaceDataInput
- Returns:
- the read long
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readUnsignedByte
Invokes the delegate'sread()
method.- Specified by:
readUnsignedByte
in interfaceDataInput
- Returns:
- the byte read or -1 if the end of stream
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readUnsignedShort
Delegates toEndianUtils.readSwappedUnsignedShort(InputStream)
.- Specified by:
readUnsignedShort
in interfaceDataInput
- Returns:
- the read long
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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readUTF
Not currently supported - throwsUnsupportedOperationException
.- Specified by:
readUTF
in interfaceDataInput
- Returns:
- UTF String read
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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skipBytes
Invokes the delegate'sskip(int)
method.- Specified by:
skipBytes
in interfaceDataInput
- Parameters:
count
- the number of bytes to skip- Returns:
- the number of bytes to skipped or -1 if the end of stream
- Throws:
EOFException
- if an end of file is reached unexpectedlyIOException
- if an I/O error occurs.
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