| 1 | // FileDescriptor.java - Open file or device
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| 2 |
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| 3 | /* Copyright (C) 1999 Free Software Foundation
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| 4 |
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| 5 | This file is part of libgcj.
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| 6 |
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| 7 | This software is copyrighted work licensed under the terms of the
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| 8 | Libgcj License. Please consult the file "LIBGCJ_LICENSE" for
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| 9 | details. */
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| 10 |
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| 11 | package java.lang.reflect;
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| 12 |
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| 13 | /**
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| 14 | * @author Per Bothner <bothner@cygnus.com>
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| 15 | * @date january 12, 1999
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| 16 | */
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| 17 |
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| 18 | /* Written using "Java Class Libraries", 2nd edition, ISBN 0-201-31002-3.
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| 19 | * Status: Believe complete and correct.
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| 20 | */
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| 21 |
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| 22 | public final class Array
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| 23 | {
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| 24 | Array () { }
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| 25 |
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| 26 | public static native Object newInstance(Class componentType, int length);
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| 27 | public static native Object newInstance(Class elementType, int[] dimensions);
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| 28 | public static native int getLength (Object array);
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| 29 |
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| 30 | public static native Object get (Object array, int index);
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| 31 | public static native char getChar (Object array, int index);
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| 32 | public static native byte getByte (Object array, int index);
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| 33 | public static native short getShort (Object array, int index);
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| 34 | public static native int getInt (Object array, int index);
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| 35 | public static native long getLong (Object array, int index);
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| 36 | public static native float getFloat (Object array, int index);
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| 37 | public static native double getDouble (Object array, int index);
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| 38 | public static native boolean getBoolean (Object array, int index);
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| 39 |
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| 40 | private static native Class getElementType (Object array, int index);
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| 41 |
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| 42 | private static native void set (Object array, int index,
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| 43 | Object value, Class elType);
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| 44 |
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| 45 | public static void set (Object array, int index, Object value)
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| 46 | {
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| 47 | Class elType = getElementType(array, index);
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| 48 | if (! elType.isPrimitive())
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| 49 | set(array, index, value, elType);
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| 50 | else if (value instanceof Byte)
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| 51 | setByte(array, index, ((Byte) value).byteValue());
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| 52 | else if (value instanceof Short)
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| 53 | setShort (array, index, ((Short) value).shortValue());
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| 54 | else if (value instanceof Integer)
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| 55 | setInt(array, index, ((Integer) value).intValue());
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| 56 | else if (value instanceof Long)
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| 57 | setLong(array, index, ((Long) value).longValue());
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| 58 | else if (value instanceof Float)
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| 59 | setFloat(array, index, ((Float) value).floatValue());
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| 60 | else if (value instanceof Double)
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| 61 | setDouble(array, index, ((Double) value).doubleValue());
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| 62 | else if (value instanceof Character)
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| 63 | setChar(array, index, ((Character) value).charValue());
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| 64 | else if (value instanceof Boolean)
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| 65 | setBoolean(array, index, ((Boolean) value).booleanValue());
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| 66 | else
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| 67 | throw new IllegalArgumentException();
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| 68 | }
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| 69 |
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| 70 | public static native void setByte (Object array, int index, byte value);
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| 71 | public static native void setShort (Object array, int index, short value);
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| 72 | public static native void setInt (Object array, int index, int value);
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| 73 | public static native void setLong (Object array, int index, long value);
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| 74 | public static native void setFloat (Object array, int index, float value);
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| 75 | public static native void setDouble (Object array, int index, double value);
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| 76 | public static native void setChar (Object array, int index, char value);
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| 77 | public static native void setBoolean(Object array, int index, boolean value);
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| 78 | }
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