jdk8-mips64-public/jaxws: comparison src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64EncoderStream.java

-:88b85470e72c
+:f50545b5e2f1
+/*
+* Copyright (c) 2011, Oracle and/or its affiliates. All rights reserved.
+* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+*
+* This code is free software; you can redistribute it and/or modify it
+* under the terms of the GNU General Public License version 2 only, as
+* published by the Free Software Foundation.  Oracle designates this
+* particular file as subject to the "Classpath" exception as provided
+* by Oracle in the LICENSE file that accompanied this code.
+*
+* This code is distributed in the hope that it will be useful, but WITHOUT
+* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+* FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+* version 2 for more details (a copy is included in the LICENSE file that
+* accompanied this code).
+*
+* You should have received a copy of the GNU General Public License version
+* 2 along with this work; if not, write to the Free Software Foundation,
+* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+*
+* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+* or visit www.oracle.com if you need additional information or have any
+* questions.
+*/
+package com.sun.xml.internal.org.jvnet.staxex;
+import java.io.*;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+// for testing method
+//import com.sun.xml.internal.stream.writers.XMLStreamWriterImpl;
+/**
+* This class implements a BASE64 Encoder. It is implemented as
+* a FilterOutputStream, so one can just wrap this class around
+* any output stream and write bytes into this filter. The Encoding
+* is done as the bytes are written out.
+*
+* @author John Mani
+* @author Bill Shannon
+* @author Martin Grebac
+*/
+public class Base64EncoderStream extends FilterOutputStream {
+private byte[] buffer;      // cache of bytes that are yet to be encoded
+private int bufsize = 0;    // size of the cache
+private XMLStreamWriter outWriter;
+public Base64EncoderStream(OutputStream out) {
+super(out);
+buffer = new byte[3];
+}
+/**
+* Create a BASE64 encoder that encodes the specified input stream
+*/
+public Base64EncoderStream(XMLStreamWriter outWriter, OutputStream out) {
+super(out);
+buffer = new byte[3];
+this.outWriter = outWriter;
+}
+/**
+* Encodes <code>len</code> bytes from the specified
+* <code>byte</code> array starting at offset <code>off</code> to
+* this output stream.
+*
+* @param      b     the data.
+* @param      off   the start offset in the data.
+* @param      len   the number of bytes to write.
+* @exception  IOException  if an I/O error occurs.
+*/
+@Override
+public void write(byte[] b, int off, int len) throws IOException {
+for (int i = 0; i < len; i++)
+write(b[off + i]);
+}
+/**
+* Encodes <code>b.length</code> bytes to this output stream.
+* @param      b   the data to be written.
+* @exception  IOException  if an I/O error occurs.
+*/
+@Override
+public void write(byte[] b) throws IOException {
+write(b, 0, b.length);
+}
+/**
+* Encodes the specified <code>byte</code> to this output stream.
+* @param      c   the <code>byte</code>.
+* @exception  IOException  if an I/O error occurs.
+*/
+@Override
+public void write(int c) throws IOException {
+buffer[bufsize++] = (byte)c;
+if (bufsize == 3) { // Encoding unit = 3 bytes
+encode();
+bufsize = 0;
+}
+}
+/**
+* Flushes this output stream and forces any buffered output bytes
+* to be encoded out to the stream.
+* @exception  IOException  if an I/O error occurs.
+*/
+@Override
+public void flush() throws IOException {
+if (bufsize > 0) { // If there's unencoded characters in the buffer ..
+encode();      // .. encode them
+bufsize = 0;
+}
+out.flush();
+try {
+outWriter.flush();
+} catch (XMLStreamException ex) {
+Logger.getLogger(Base64EncoderStream.class.getName()).log(Level.SEVERE, null, ex);
+throw new IOException(ex);
+}
+}
+/**
+* Forces any buffered output bytes to be encoded out to the stream
+* and closes this output stream
+*/
+@Override
+public void close() throws IOException {
+flush();
+out.close();
+}
+/** This array maps the characters to their 6 bit values */
+private final static char pem_array[] = {
+'A','B','C','D','E','F','G','H', // 0
+'I','J','K','L','M','N','O','P', // 1
+'Q','R','S','T','U','V','W','X', // 2
+'Y','Z','a','b','c','d','e','f', // 3
+'g','h','i','j','k','l','m','n', // 4
+'o','p','q','r','s','t','u','v', // 5
+'w','x','y','z','0','1','2','3', // 6
+'4','5','6','7','8','9','+','/'  // 7
+};
+private void encode() throws IOException {
+byte a, b, c;
+char[] buf = new char[4];
+if (bufsize == 1) {
+a = buffer[0];
+b = 0;
+c = 0;
+buf[0] = pem_array[(a >>> 2) & 0x3F];
+buf[1] = pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
+buf[2] = '='; // pad character
+buf[3] = '='; // pad character
+} else if (bufsize == 2) {
+a = buffer[0];
+b = buffer[1];
+c = 0;
+buf[0] = pem_array[(a >>> 2) & 0x3F];
+buf[1] = pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
+buf[2] = pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)];
+buf[3] = '='; // pad character
+} else {
+a = buffer[0];
+b = buffer[1];
+c = buffer[2];
+buf[0] = pem_array[(a >>> 2) & 0x3F];
+buf[1] = pem_array[((a << 4) & 0x30) + ((b >>> 4) & 0xf)];
+buf[2] = pem_array[((b << 2) & 0x3c) + ((c >>> 6) & 0x3)];
+buf[3] = pem_array[c & 0x3F];
+}
+try {
+outWriter.writeCharacters(buf, 0, 4);
+} catch (XMLStreamException ex) {
+Logger.getLogger(Base64EncoderStream.class.getName()).log(Level.SEVERE, null, ex);
+throw new IOException(ex);
+}
+}
+//    public static void main(String argv[]) throws Exception {
+//      FileInputStream infile = new FileInputStream(new File(argv[0]));
+//        StringWriter sw = new StringWriter();
+//        XMLStreamWriterImpl wi = new XMLStreamWriterImpl(sw, null);
+//        ByteArrayOutputStream baos = new ByteArrayOutputStream();
+//      Base64EncoderStream encoder = new Base64EncoderStream(wi, baos);
+//      int c;
+//
+//      while ((c = infile.read()) != -1)
+//          encoder.write(c);
+//      encoder.close();
+//
+//        System.out.println("SW: " + sw.toString());
+//        System.out.println("BAOS: " + baos.toString());
+//
+//    }
+}

Mercurial > jdk8-mips64-public > jaxws / file comparison

comparison: src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64EncoderStream.java

src/share/jaxws_classes/com/sun/xml/internal/org/jvnet/staxex/Base64EncoderStream.java