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Oracle® Fusion Middleware Java API Reference for Oracle Coherence 12c (12.1.3.0.0) E47890-01 |
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java.lang.Object
java.io.InputStream
com.tangosol.io.WrapperInputStream
com.tangosol.io.PackedDataInputStream
public class PackedDataInputStream
This is an imitation DataInputStream class that reads from streams that were produced by a corresponding PackedDataOutputStream
.
Constructor Summary | |
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PackedDataInputStream(java.io.InputStream in) Construct a WrapperDataInputStream that will read from the specified InputStream object. |
Method Summary | |
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boolean |
readBoolean() Read a boolean value. |
byte |
readByte() Read a byte value. |
char |
readChar() Read a char value. |
double |
readDouble() Read a double value. |
float |
readFloat() Read a float value. |
void |
readFully(byte[] ab) Read ab.length bytes and store them in ab . |
void |
readFully(byte[] ab, int of, int cb) Read cb bytes and store them in ab starting at offset of . |
int |
readInt() Read an int value. |
java.lang.String |
readLine() Reads the next "line" of text. |
long |
readLong() Read a long value. |
short |
readShort() Read a short value. |
int |
readUnsignedByte() Read an unsigned byte value. |
int |
readUnsignedShort() Read an unsigned short value. |
java.lang.String |
readUTF() Reads a String value. |
int |
skipBytes(int cb) Skips over up to the specified number of bytes of data. |
Methods inherited from class com.tangosol.io.WrapperInputStream |
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available, close, ensureInputStream, getInputStream, mark, markSupported, read, read, read, reset, setInputStream, skip |
Constructor Detail |
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public PackedDataInputStream(java.io.InputStream in)
in
- an InputStream to read fromMethod Detail |
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public void readFully(byte[] ab) throws java.io.IOException
ab.length
bytes and store them in ab
.
This method blocks until input data is available, the end of the stream is detected, or an exception is thrown.
readFully
in interface java.io.DataInput
ab
- the array to store the bytes which are read from the streamjava.lang.NullPointerException
- if the passed array is nulljava.io.EOFException
- if the stream is exhausted before the number of bytes indicated by the array length could be readjava.io.IOException
- if an I/O error occurspublic void readFully(byte[] ab, int of, int cb) throws java.io.IOException
cb
bytes and store them in ab
starting at offset of
.
This method blocks until input data is available, the end of the stream is detected, or an exception is thrown.
readFully
in interface java.io.DataInput
ab
- the array to store the bytes which are read from the streamof
- the offset into the array that the read bytes will be storedcb
- the maximum number of bytes to readjava.lang.NullPointerException
- if the passed array is nulljava.lang.IndexOutOfBoundsException
- if of
or cb
is negative, or of+cb
is greater than the length of the ab
java.io.EOFException
- if the stream is exhausted before the number of bytes indicated by the array length could be readjava.io.IOException
- if an I/O error occurspublic int skipBytes(int cb) throws java.io.IOException
skipBytes
in interface java.io.DataInput
cb
- the maximum number of bytes to skip overjava.io.IOException
- if an I/O error occurspublic boolean readBoolean() throws java.io.IOException
This method is the counterpart for the DataOutput.writeBoolean(boolean)
method.
readBoolean
in interface java.io.DataInput
true
or false
java.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic byte readByte() throws java.io.IOException
This method is the counterpart for the DataOutput.writeByte(int)
method.
readByte
in interface java.io.DataInput
byte
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic int readUnsignedByte() throws java.io.IOException
This method is the counterpart for the DataOutput.writeByte(int)
method when it is used with unsigned 8-bit values.
readUnsignedByte
in interface java.io.DataInput
int
value in the range 0x00 to 0xFFjava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic short readShort() throws java.io.IOException
This method is the counterpart for the DataOutput.writeShort(int)
method.
readShort
in interface java.io.DataInput
short
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic int readUnsignedShort() throws java.io.IOException
This method is the counterpart for the DataOutput.writeShort(int)
method when it is used with unsigned 16-bit values.
readUnsignedShort
in interface java.io.DataInput
int
value in the range of 0x0000 to 0xFFFFjava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic char readChar() throws java.io.IOException
This method is the counterpart for the DataOutput.writeChar(int)
method.
readChar
in interface java.io.DataInput
char
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic int readInt() throws java.io.IOException
This method is the counterpart for the DataOutput.writeInt(int)
method.
readInt
in interface java.io.DataInput
int
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic long readLong() throws java.io.IOException
This method is the counterpart for the DataOutput.writeLong(long)
method.
readLong
in interface java.io.DataInput
long
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic float readFloat() throws java.io.IOException
This method is the counterpart for the DataOutput.writeFloat(float)
method.
readFloat
in interface java.io.DataInput
float
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic double readDouble() throws java.io.IOException
This method is the counterpart for the DataOutput.writeDouble(double)
method.
readDouble
in interface java.io.DataInput
double
valuejava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurspublic java.lang.String readLine() throws java.io.IOException
This method does not have a counterpart in the DataOutput
interface. Furthermore, this method is defined as operating on bytes and not on characters, and thus it should be selected for use only after careful consideration, as if it were deprecated.
readLine
in interface java.io.DataInput
java.io.IOException
- if an I/O error occurs.public java.lang.String readUTF() throws java.io.IOException
This method is the counterpart for the DataOutput.writeUTF(java.lang.String)
method.
readUTF
in interface java.io.DataInput
java.io.UTFDataFormatException
- if the bytes that were read were not a valid UTF-8 encoded stringjava.io.EOFException
- if the value could not be read because no more data remains to be readjava.io.IOException
- if an I/O error occurs
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Oracle® Fusion Middleware Java API Reference for Oracle Coherence 12c (12.1.3.0.0) E47890-01 |
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