jdk.io.DataOutputStream — clojure-interop/java.io 1.0.5

A data output stream lets an application write primitive Java data types to an output stream in a portable way. An application can then use a data input stream to read the data back in.

->data-output-stream clj

(->data-output-stream out)

Constructor.

Creates a new data output stream to write data to the specified underlying output stream. The counter written is set to zero.

out - the underlying output stream, to be saved for later use. - java.io.OutputStream

flush clj

(flush this)

Flushes this data output stream. This forces any buffered output bytes to be written out to the stream.

The flush method of DataOutputStream calls the flush method of its underlying output stream.

throws: java.io.IOException - if an I/O error occurs.

size clj

(size this)

Returns the current value of the counter written, the number of bytes written to this data output stream so far. If the counter overflows, it will be wrapped to Integer.MAX_VALUE.

returns: the value of the written field. - int

write clj

(write this b)

(write this b off len)

Writes len bytes from the specified byte array starting at offset off to the underlying output stream. If no exception is thrown, the counter written is incremented by len.

b - the data. - byte[] off - the start offset in the data. - int len - the number of bytes to write. - int

throws: java.io.IOException - if an I/O error occurs.

write-boolean clj

(write-boolean this v)

Writes a boolean to the underlying output stream as a 1-byte value. The value true is written out as the value (byte)1; the value false is written out as the value (byte)0. If no exception is thrown, the counter written is incremented by 1.

v - a boolean value to be written. - boolean

throws: java.io.IOException - if an I/O error occurs.

write-byte clj

(write-byte this v)

Writes out a byte to the underlying output stream as a 1-byte value. If no exception is thrown, the counter written is incremented by 1.

v - a byte value to be written. - int

throws: java.io.IOException - if an I/O error occurs.

write-bytes clj

(write-bytes this s)

Writes out the string to the underlying output stream as a sequence of bytes. Each character in the string is written out, in sequence, by discarding its high eight bits. If no exception is thrown, the counter written is incremented by the length of s.

s - a string of bytes to be written. - java.lang.String

throws: java.io.IOException - if an I/O error occurs.

write-char clj

(write-char this v)

Writes a char to the underlying output stream as a 2-byte value, high byte first. If no exception is thrown, the counter written is incremented by 2.

v - a char value to be written. - int

throws: java.io.IOException - if an I/O error occurs.

write-chars clj

(write-chars this s)

Writes a string to the underlying output stream as a sequence of characters. Each character is written to the data output stream as if by the writeChar method. If no exception is thrown, the counter written is incremented by twice the length of s.

s - a String value to be written. - java.lang.String

throws: java.io.IOException - if an I/O error occurs.

write-double clj

(write-double this v)

Converts the double argument to a long using the doubleToLongBits method in class Double, and then writes that long value to the underlying output stream as an 8-byte quantity, high byte first. If no exception is thrown, the counter written is incremented by 8.

v - a double value to be written. - double

throws: java.io.IOException - if an I/O error occurs.

write-float clj

(write-float this v)

Converts the float argument to an int using the floatToIntBits method in class Float, and then writes that int value to the underlying output stream as a 4-byte quantity, high byte first. If no exception is thrown, the counter written is incremented by 4.

v - a float value to be written. - float

throws: java.io.IOException - if an I/O error occurs.

write-int clj

(write-int this v)

Writes an int to the underlying output stream as four bytes, high byte first. If no exception is thrown, the counter written is incremented by 4.

v - an int to be written. - int

throws: java.io.IOException - if an I/O error occurs.

write-long clj

(write-long this v)

Writes a long to the underlying output stream as eight bytes, high byte first. In no exception is thrown, the counter written is incremented by 8.

v - a long to be written. - long

throws: java.io.IOException - if an I/O error occurs.

write-short clj

(write-short this v)

Writes a short to the underlying output stream as two bytes, high byte first. If no exception is thrown, the counter written is incremented by 2.

v - a short to be written. - int

throws: java.io.IOException - if an I/O error occurs.

write-utf clj

(write-utf this str)

Writes a string to the underlying output stream using modified UTF-8 encoding in a machine-independent manner.

First, two bytes are written to the output stream as if by the writeShort method giving the number of bytes to follow. This value is the number of bytes actually written out, not the length of the string. Following the length, each character of the string is output, in sequence, using the modified UTF-8 encoding for the character. If no exception is thrown, the counter written is incremented by the total number of bytes written to the output stream. This will be at least two plus the length of str, and at most two plus thrice the length of str.

str - a string to be written. - java.lang.String

throws: java.io.IOException - if an I/O error occurs.