_CharSequence.java :  » Development » Retrotranslator » net » sf » retrotranslator » runtime13 » v14 » java » lang » Java Open Source

Java Open Source » Development » Retrotranslator 
Retrotranslator » net » sf » retrotranslator » runtime13 » v14 » java » lang » _CharSequence.java
/***
 * Retrotranslator: a Java bytecode transformer that translates Java classes
 * compiled with JDK 5.0 into classes that can be run on JVM 1.4.
 *
 * Copyright (c) 2005 - 2008 Taras Puchko
 * All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. Neither the name of the copyright holders nor the names of its
 *    contributors may be used to endorse or promote products derived from
 *    this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF
 * THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.sf.retrotranslator.runtime13.v14.java.lang;

/**
 * @author Taras Puchko
 */
public class _CharSequence {

    public static boolean executeInstanceOfInstruction(Object object) {
        return object instanceof String ||
                object instanceof StringBuffer ||
                object instanceof CharSequence_;
    }

    public static Object executeCheckCastInstruction(Object object) {
        if (object instanceof String) {
            return object;
        }
        if (object instanceof StringBuffer) {
            return object;
        }
        return (CharSequence_) object;
    }

    public static char charAt(Object object, int index) {
        if (object instanceof String) {
            return ((String) object).charAt(index);
        }
        if (object instanceof StringBuffer) {
            return ((StringBuffer) object).charAt(index);
        }
        return ((CharSequence_) object).charAt(index);
    }

    public static int length(Object object) {
        if (object instanceof String) {
            return ((String) object).length();
        }
        if (object instanceof StringBuffer) {
            return ((StringBuffer) object).length();
        }
        return ((CharSequence_) object).length();
    }

    public static Object subSequence(Object object, int start, int end) {
        if (object instanceof String) {
            return ((String) object).substring(start, end);
        }
        if (object instanceof StringBuffer) {
            return ((StringBuffer) object).substring(start, end);
        }
        return ((CharSequence_) object).subSequence(start, end);
    }

}
java2s.com  | Contact Us | Privacy Policy
Copyright 2009 - 12 Demo Source and Support. All rights reserved.
All other trademarks are property of their respective owners.