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PyMultibyteCodec.java

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 py3k

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PyMultibyteCodec.java

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package org.python.modules.cjkcodecs;

import org.python.core.BufferProtocol;

import org.python.core.Py;

import org.python.core.PyBUF;

import org.python.core.PyBuffer;

import org.python.core.PyBytes;

import org.python.core.PyLong;

import org.python.core.PyObject;

import org.python.core.PyTuple;

import org.python.core.PyType;

import org.python.core.PyUnicode;

import org.python.expose.ExposedMethod;

import org.python.expose.ExposedType;

import java.nio.ByteBuffer;

import java.nio.charset.Charset;

@ExposedType(name = "MultibyteCodec")

public class PyMultibyteCodec extends PyObject {

public static final PyType TYPE = PyType.fromClass(PyMultibyteCodec.class);

private Charset charset;

public PyMultibyteCodec(Charset charset) {

super(TYPE);

this.charset = charset;

}

@ExposedMethod

public PyObject MultibyteCodec_encode(PyObject o) {

if (o instanceof PyUnicode) {

String s = o.toString();

ByteBuffer buf = charset.encode(s);

return new PyTuple(new PyBytes(buf), new PyLong(s.length()));

}

throw Py.TypeError("expected a str object");

}

@ExposedMethod

public PyObject MultibyteCodec_decode(PyObject o) {

if (o instanceof BufferProtocol) {

PyBuffer buf = ((BufferProtocol) o).getBuffer(PyBUF.FULL_RO);

return new PyTuple(new PyUnicode(charset.decode(buf.getNIOByteBuffer())), new PyLong(o.__len__()));

}

throw Py.TypeError("expected a bytes object");

}

}