public abstract class TTFDataStream
extends java.lang.Object
Constructor and Description |
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TTFDataStream() |
Modifier and Type | Method and Description |
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abstract void |
close()
Close the underlying resources.
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abstract long |
getCurrentPosition()
Get the current position in the stream.
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abstract java.io.InputStream |
getOriginalData()
This will get the original data file that was used for this
stream.
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abstract int |
read()
Read an unsigned byte.
|
abstract int |
read(byte[] b,
int off,
int len) |
byte[] |
read(int numberOfBytes)
Read a specific number of bytes from the stream.
|
float |
read32Fixed()
Read a 16.16 fixed value, where the first 16 bits are the decimal and the last
16 bits are the fraction.
|
java.util.Calendar |
readInternationalDate()
Read an eight byte international date.
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abstract long |
readLong()
Read an unsigned byte.
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int |
readSignedByte()
Read a signed byte.
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abstract short |
readSignedShort()
Read an signed short.
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java.lang.String |
readString(int length)
Read a fixed length ascii string.
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java.lang.String |
readString(int length,
java.lang.String charset)
Read a fixed length ascii string.
|
int[] |
readUnsignedByteArray(int length)
Read an unsigned byte array.
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long |
readUnsignedInt()
Read an unsigned integer.
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abstract int |
readUnsignedShort()
Read an unsigned short.
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int[] |
readUnsignedShortArray(int length)
Read an unsigned short array.
|
abstract void |
seek(long pos)
Seek into the datasource.
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public float read32Fixed() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public java.lang.String readString(int length) throws java.io.IOException
length
- The length of the string to read.java.io.IOException
- If there is an error reading the data.public java.lang.String readString(int length, java.lang.String charset) throws java.io.IOException
length
- The length of the string to read in bytes.charset
- The expected character set of the string.java.io.IOException
- If there is an error reading the data.public abstract int read() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public abstract long readLong() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public int readSignedByte() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public long readUnsignedInt() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public abstract int readUnsignedShort() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public int[] readUnsignedByteArray(int length) throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public int[] readUnsignedShortArray(int length) throws java.io.IOException
length
- The length of the array to read.length
- The length of the array to read.java.io.IOException
- If there is an error reading the data.public abstract short readSignedShort() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public java.util.Calendar readInternationalDate() throws java.io.IOException
java.io.IOException
- If there is an error reading the data.public abstract void close() throws java.io.IOException
java.io.IOException
- If there is an error closing the resources.public abstract void seek(long pos) throws java.io.IOException
pos
- The position to seek to.java.io.IOException
- If there is an error seeking to that position.public byte[] read(int numberOfBytes) throws java.io.IOException
numberOfBytes
- The number of bytes to read.java.io.IOException
- If there is an error while reading.public abstract int read(byte[] b, int off, int len) throws java.io.IOException
b
- The buffer to write to.off
- The offset into the buffer.len
- The length into the buffer.java.io.IOException
- If there is an error reading from the stream.InputStream.read( byte[], int, int )
public abstract long getCurrentPosition() throws java.io.IOException
java.io.IOException
- If an error occurs while reading the stream.public abstract java.io.InputStream getOriginalData() throws java.io.IOException
java.io.IOException
- If there is an issue reading the data.