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

 /*

  * Copyright (c) 2004, 2013, 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

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  * THIS FILE WAS MODIFIED BY SUN MICROSYSTEMS, INC.

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 package com.sun.xml.internal.fastinfoset.algorithm;

 import java.io.EOFException;

 import java.io.IOException;

 import java.io.InputStream;

 import java.io.OutputStream;

 import java.nio.CharBuffer;

 import java.util.ArrayList;

 import java.util.List;

 import com.sun.xml.internal.org.jvnet.fastinfoset.EncodingAlgorithmException;

 import com.sun.xml.internal.fastinfoset.CommonResourceBundle;

 public class FloatEncodingAlgorithm extends IEEE754FloatingPointEncodingAlgorithm {

     public final int getPrimtiveLengthFromOctetLength(int octetLength) throws EncodingAlgorithmException {

         if (octetLength % FLOAT_SIZE != 0) {

             throw new EncodingAlgorithmException(CommonResourceBundle.getInstance().

                     getString("message.lengthNotMultipleOfFloat", new Object[]{Integer.valueOf(FLOAT_SIZE)}));

         }

         return octetLength / FLOAT_SIZE;

     }

     public int getOctetLengthFromPrimitiveLength(int primitiveLength) {

         return primitiveLength * FLOAT_SIZE;

     }

     public final Object decodeFromBytes(byte[] b, int start, int length) throws EncodingAlgorithmException {

         float[] data = new float[getPrimtiveLengthFromOctetLength(length)];

         decodeFromBytesToFloatArray(data, 0, b, start, length);

         return data;

     }

     public final Object decodeFromInputStream(InputStream s) throws IOException {

         return decodeFromInputStreamToFloatArray(s);

     }

     public void encodeToOutputStream(Object data, OutputStream s) throws IOException {

         if (!(data instanceof float[])) {

             throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotFloat"));

         }

         final float[] fdata = (float[])data;

         encodeToOutputStreamFromFloatArray(fdata, s);

     }

     public final Object convertFromCharacters(char[] ch, int start, int length) {

         final CharBuffer cb = CharBuffer.wrap(ch, start, length);

         final List floatList = new ArrayList();

         matchWhiteSpaceDelimnatedWords(cb,

                 new WordListener() {

             public void word(int start, int end) {

                 String fStringValue = cb.subSequence(start, end).toString();

                 floatList.add(Float.valueOf(fStringValue));

             }

         }

         );

         return generateArrayFromList(floatList);

     }

     public final void convertToCharacters(Object data, StringBuffer s) {

         if (!(data instanceof float[])) {

             throw new IllegalArgumentException(CommonResourceBundle.getInstance().getString("message.dataNotFloat"));

         }

         final float[] fdata = (float[])data;

         convertToCharactersFromFloatArray(fdata, s);

     }

     public final void decodeFromBytesToFloatArray(float[] data, int fstart, byte[] b, int start, int length) {

         final int size = length / FLOAT_SIZE;

         for (int i = 0; i < size; i++) {

             final int bits = ((b[start++] & 0xFF) << 24) |

                     ((b[start++] & 0xFF) << 16) |

                     ((b[start++] & 0xFF) << 8) |

                     (b[start++] & 0xFF);

             data[fstart++] = Float.intBitsToFloat(bits);

         }

     }

     public final float[] decodeFromInputStreamToFloatArray(InputStream s) throws IOException {

         final List floatList = new ArrayList();

         final byte[] b = new byte[FLOAT_SIZE];

         while (true) {

             int n = s.read(b);

             if (n != 4) {

                 if (n == -1) {

                     break;

                 }

                 while(n != 4) {

                     final int m = s.read(b, n, FLOAT_SIZE - n);

                     if (m == -1) {

                         throw new EOFException();

                     }

                     n += m;

                 }

             }

             final int bits = ((b[0] & 0xFF) << 24) |

                     ((b[1] & 0xFF) << 16) |

                     ((b[2] & 0xFF) << 8) |

                     (b[3] & 0xFF);

             floatList.add(Float.valueOf(Float.intBitsToFloat(bits)));

         }

         return generateArrayFromList(floatList);

     }

     public final void encodeToOutputStreamFromFloatArray(float[] fdata, OutputStream s) throws IOException {

         for (int i = 0; i < fdata.length; i++) {

             final int bits = Float.floatToIntBits(fdata[i]);

             s.write((bits >>> 24) & 0xFF);

             s.write((bits >>> 16) & 0xFF);

             s.write((bits >>> 8) & 0xFF);

             s.write(bits & 0xFF);

         }

     }

     public final void encodeToBytes(Object array, int astart, int alength, byte[] b, int start) {

         encodeToBytesFromFloatArray((float[])array, astart, alength, b, start);

     }

     public final void encodeToBytesFromFloatArray(float[] fdata, int fstart, int flength, byte[] b, int start) {

         final int fend = fstart + flength;

         for (int i = fstart; i < fend; i++) {

             final int bits = Float.floatToIntBits(fdata[i]);

             b[start++] = (byte)((bits >>> 24) & 0xFF);

             b[start++] = (byte)((bits >>> 16) & 0xFF);

             b[start++] = (byte)((bits >>>  8) & 0xFF);

             b[start++] = (byte)(bits & 0xFF);

         }

     }

     public final void convertToCharactersFromFloatArray(float[] fdata, StringBuffer s) {

         final int end = fdata.length - 1;

         for (int i = 0; i <= end; i++) {

             s.append(Float.toString(fdata[i]));

             if (i != end) {

                 s.append(' ');

             }

         }

     }

     public final float[] generateArrayFromList(List array) {

         float[] fdata = new float[array.size()];

         for (int i = 0; i < fdata.length; i++) {

             fdata[i] = ((Float)array.get(i)).floatValue();

         }

         return fdata;

     }

 }