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java.lang.Objectjava.io.Reader
com.caucho.vfs.i18n.EncodingReader
public abstract class EncodingReader
Abstract class for a byte-to-character encoding reader and its associated factory.
Implementations need to implementcreate
and read()
at minimum. Efficient implementations will
also implement the read
into a buffer.
Implementations should not buffer the bytes.
Field Summary |
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Fields inherited from class java.io.Reader |
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lock |
Constructor Summary | |
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EncodingReader()
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Method Summary | |
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void |
close()
Closes the reader, possibly returning it to a pool. |
java.io.Reader |
create(java.io.InputStream is)
Returns a new encoding reader for the given stream and javaEncoding. |
abstract java.io.Reader |
create(java.io.InputStream is,
java.lang.String javaEncoding)
Returns a new encoding reader for the given stream and javaEncoding. |
java.lang.String |
getJavaEncoding()
|
abstract int |
read()
Returns the next character using the correct encoding. |
int |
read(char[] cbuf,
int off,
int len)
Reads into a character buffer using the correct encoding. |
void |
setJavaEncoding(java.lang.String encoding)
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Methods inherited from class java.io.Reader |
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mark, markSupported, read, read, ready, reset, skip |
Methods inherited from class java.lang.Object |
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clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait |
Constructor Detail |
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public EncodingReader()
Method Detail |
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public java.lang.String getJavaEncoding()
public void setJavaEncoding(java.lang.String encoding)
public abstract java.io.Reader create(java.io.InputStream is, java.lang.String javaEncoding) throws java.io.UnsupportedEncodingException
is
- the input stream providing the bytes.javaEncoding
- the JDK name for the encoding.
java.io.UnsupportedEncodingException
public java.io.Reader create(java.io.InputStream is) throws java.io.UnsupportedEncodingException
is
- the input stream providing the bytes.javaEncoding
- the JDK name for the encoding.
java.io.UnsupportedEncodingException
public abstract int read() throws java.io.IOException
read
in class java.io.Reader
java.io.IOException
public int read(char[] cbuf, int off, int len) throws java.io.IOException
read
in class java.io.Reader
cbuf
- character buffer receiving the data.off
- starting offset into the buffer.len
- number of characters to read.
java.io.IOException
public void close()
close
in interface java.io.Closeable
close
in class java.io.Reader
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