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String s1 = …;
StringBufferInputStream in = new StringBufferInputStream(s1);
Based on 34 examples
public class StringBufferInputStream extends InputStream
This class allows an application to create an input stream in
which the bytes read are supplied by the contents of a string.
Applications can also read bytes from a byte array by using a
ByteArrayInputStream
.
Only the low eight bits of each character in the string are used by this class.
Field Summary | |
---|---|
protected String |
buffer
The string from which bytes are read. |
protected int |
count
The number of valid characters in the input stream buffer. |
protected int |
pos
The index of the next character to read from the input stream buffer. |
Constructor Summary | |
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Creates a string input stream to read data from the specified string. |
Method Summary | |
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int |
Returns the number of bytes that can be read from the input stream without blocking. |
int |
read() Reads the next byte of data from this input stream. |
int |
read(byte[] b, int off, int len) Reads up to len bytes of data from this input stream
into an array of bytes.
|
void |
reset() Resets the input stream to begin reading from the first character of this input stream's underlying buffer. |
long |
skip(long n) Skips n bytes of input from this input stream.
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Methods inherited from class java.io.InputStream |
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available, close, mark, markSupported, read, read, read, reset, skip |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Field Detail |
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protected String buffer
protected int count
protected int pos
Constructor Detail |
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public StringBufferInputStream(String s)
s
- the underlying input buffer.Method Detail |
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public synchronized int available()
available
in class InputStream
count - pos
, which is the
number of bytes remaining to be read from the input buffer.public synchronized int read()
int
in the range
0
to 255
. If no byte is available
because the end of the stream has been reached, the value
-1
is returned.
The read
method of
StringBufferInputStream
cannot block. It returns the
low eight bits of the next character in this input stream's buffer.
read
in class InputStream
-1
if the end of the
stream is reached.public synchronized int read(byte[] b, int off, int len)
len
bytes of data from this input stream
into an array of bytes.
The read
method of
StringBufferInputStream
cannot block. It copies the
low eight bits from the characters in this input stream's buffer into
the byte array argument.
read
in class InputStream
b
- the buffer into which the data is read.off
- the start offset of the data.len
- the maximum number of bytes read.-1
if there is no more data because the end of
the stream has been reached.public synchronized void reset()
reset
in class InputStream
public synchronized long skip(long n)
n
bytes of input from this input stream. Fewer
bytes might be skipped if the end of the input stream is reached.
skip
in class InputStream
n
- the number of bytes to be skipped.
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