|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |
java.lang.Object | +--com.lowagie.text.pdf.ByteBuffer
Acts like a StringBuffer
but works with byte
arrays.
Floating point is converted to a format suitable to the PDF.
Field Summary | |
protected byte[] |
buf
The buffer where the bytes are stored. |
private static byte[][] |
byteCache
|
private static int |
byteCacheSize
|
private static byte[] |
bytes
|
private static char[] |
chars
|
protected int |
count
The count of bytes in the buffer. |
static byte |
ZERO
|
Constructor Summary | |
ByteBuffer()
Creates new ByteBuffer with capacity 128 |
|
ByteBuffer(int size)
Creates a byte buffer with a certain capacity. |
Method Summary | |
ByteBuffer |
append_i(int b)
Appends an int . |
ByteBuffer |
append(byte b)
|
ByteBuffer |
append(byte[] b)
Appends an array of bytes. |
ByteBuffer |
append(byte[] b,
int off,
int len)
Appends the subarray of the byte array. |
ByteBuffer |
append(ByteBuffer buf)
Appends another ByteBuffer to this buffer. |
ByteBuffer |
append(char c)
Appends a char to the buffer. |
ByteBuffer |
append(double d)
Appends a string representation of a double according
to the Pdf conventions. |
ByteBuffer |
append(float i)
Appends a string representation of a float according
to the Pdf conventions. |
ByteBuffer |
append(int i)
Appends the string representation of an int . |
ByteBuffer |
append(String str)
Appends a String to the buffer. |
ByteBuffer |
appendHex(byte b)
|
private static byte[] |
convertToBytes(int i)
Converts an double (multiplied by 100 and cast to an int) into an array of bytes. |
static void |
fillCache(int decimals)
You can fill the cache in advance if you want to. |
static String |
formatDouble(double d)
Outputs a double into a format suitable for the PDF. |
static String |
formatDouble(double d,
ByteBuffer buf)
Outputs a double into a format suitable for the PDF. |
void |
reset()
Sets the size to zero. |
static void |
setCacheSize(int size)
Sets the cache size. |
int |
size()
Returns the current size of the buffer. |
byte[] |
toByteArray()
Creates a newly allocated byte array. |
String |
toString()
Converts the buffer's contents into a string, translating bytes into characters according to the platform's default character encoding. |
String |
toString(String enc)
Converts the buffer's contents into a string, translating bytes into characters according to the specified character encoding. |
void |
writeTo(OutputStream out)
Writes the complete contents of this byte buffer output to the specified output stream argument, as if by calling the output stream's write method using out.write(buf, 0, count) . |
Methods inherited from class java.lang.Object |
clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait |
Field Detail |
protected int count
protected byte[] buf
private static int byteCacheSize
private static byte[][] byteCache
public static byte ZERO
private static final char[] chars
private static final byte[] bytes
Constructor Detail |
public ByteBuffer()
public ByteBuffer(int size)
size
- the initial capacityMethod Detail |
public static void setCacheSize(int size)
This can only be used to increment the size. If the size that is passed through is smaller than the current size, nothing happens.
size
- the size of the cachepublic static void fillCache(int decimals)
decimals
- private static byte[] convertToBytes(int i)
i
- the int
public ByteBuffer append_i(int b)
int
. The size of the array will grow by one.
b
- the int to be appended
ByteBuffer
objectpublic ByteBuffer append(byte[] b, int off, int len)
byte
array. The buffer will grow by
len
bytes.
b
- the array to be appendedoff
- the offset to the start of the arraylen
- the length of bytes to append
ByteBuffer
objectpublic ByteBuffer append(byte[] b)
b
- the array to be appended
ByteBuffer
objectpublic ByteBuffer append(String str)
String
to the buffer. The String
is
converted according to the encoding ISO-8859-1.
str
- the String
to be appended
ByteBuffer
objectpublic ByteBuffer append(char c)
char
to the buffer. The char
is
converted according to the encoding ISO-8859-1.
c
- the char
to be appended
ByteBuffer
objectpublic ByteBuffer append(ByteBuffer buf)
ByteBuffer
to this buffer.
buf
- the ByteBuffer
to be appended
ByteBuffer
objectpublic ByteBuffer append(int i)
int
.
i
- the int
to be appended
ByteBuffer
objectpublic ByteBuffer append(byte b)
public ByteBuffer appendHex(byte b)
public ByteBuffer append(float i)
float
according
to the Pdf conventions.
i
- the float
to be appended
ByteBuffer
objectpublic ByteBuffer append(double d)
double
according
to the Pdf conventions.
d
- the double
to be appended
ByteBuffer
objectpublic static String formatDouble(double d)
double
into a format suitable for the PDF.
d
- a double
String
representation of the double
public static String formatDouble(double d, ByteBuffer buf)
double
into a format suitable for the PDF.
d
- a double
String
representation of the double
if
d
is null
. If d
is not null
,
then the double is appended directly to the buffer and this methods returns null
.public void reset()
public byte[] toByteArray()
public int size()
count
field, which is the number of valid bytes in this byte buffer.public String toString()
toString
in class Object
public String toString(String enc) throws UnsupportedEncodingException
enc
- a character-encoding name.
UnsupportedEncodingException
- If the named encoding is not supported.public void writeTo(OutputStream out) throws IOException
out.write(buf, 0, count)
.
out
- the output stream to which to write the data.
IOException
- if an I/O error occurs.
|
||||||||||
PREV CLASS NEXT CLASS | FRAMES NO FRAMES | |||||||||
SUMMARY: NESTED | FIELD | CONSTR | METHOD | DETAIL: FIELD | CONSTR | METHOD |