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Java example source code file (UnsafeQualifiedStaticCharacterFieldAccessorImpl.java)

This example Java source code file (UnsafeQualifiedStaticCharacterFieldAccessorImpl.java) is included in the alvinalexander.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Java by Example" TM.

Learn more about this Java project at its project page.

Java - Java tags/keywords

character, illegalaccessexception, illegalargumentexception, object, reflection, unsafequalifiedstaticcharacterfieldaccessorimpl, unsafequalifiedstaticfieldaccessorimpl

The UnsafeQualifiedStaticCharacterFieldAccessorImpl.java Java example source code

/*
 * Copyright (c) 2004, 2005, 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 sun.reflect;

import java.lang.reflect.Field;

class UnsafeQualifiedStaticCharacterFieldAccessorImpl
    extends UnsafeQualifiedStaticFieldAccessorImpl
{
    UnsafeQualifiedStaticCharacterFieldAccessorImpl(Field field, boolean isReadOnly) {
        super(field, isReadOnly);
    }

    public Object get(Object obj) throws IllegalArgumentException {
        return new Character(getChar(obj));
    }

    public boolean getBoolean(Object obj) throws IllegalArgumentException {
        throw newGetBooleanIllegalArgumentException();
    }

    public byte getByte(Object obj) throws IllegalArgumentException {
        throw newGetByteIllegalArgumentException();
    }

    public char getChar(Object obj) throws IllegalArgumentException {
        return unsafe.getCharVolatile(base, fieldOffset);
    }

    public short getShort(Object obj) throws IllegalArgumentException {
        throw newGetShortIllegalArgumentException();
    }

    public int getInt(Object obj) throws IllegalArgumentException {
        return getChar(obj);
    }

    public long getLong(Object obj) throws IllegalArgumentException {
        return getChar(obj);
    }

    public float getFloat(Object obj) throws IllegalArgumentException {
        return getChar(obj);
    }

    public double getDouble(Object obj) throws IllegalArgumentException {
        return getChar(obj);
    }

    public void set(Object obj, Object value)
        throws IllegalArgumentException, IllegalAccessException
    {
        if (isReadOnly) {
            throwFinalFieldIllegalAccessException(value);
        }
        if (value == null) {
            throwSetIllegalArgumentException(value);
        }
        if (value instanceof Character) {
            unsafe.putCharVolatile(base, fieldOffset, ((Character) value).charValue());
            return;
        }
        throwSetIllegalArgumentException(value);
    }

    public void setBoolean(Object obj, boolean z)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(z);
    }

    public void setByte(Object obj, byte b)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(b);
    }

    public void setChar(Object obj, char c)
        throws IllegalArgumentException, IllegalAccessException
    {
        if (isReadOnly) {
            throwFinalFieldIllegalAccessException(c);
        }
        unsafe.putCharVolatile(base, fieldOffset, c);
    }

    public void setShort(Object obj, short s)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(s);
    }

    public void setInt(Object obj, int i)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(i);
    }

    public void setLong(Object obj, long l)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(l);
    }

    public void setFloat(Object obj, float f)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(f);
    }

    public void setDouble(Object obj, double d)
        throws IllegalArgumentException, IllegalAccessException
    {
        throwSetIllegalArgumentException(d);
    }
}

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