package nom.tam.util.type;

/*
 * #%L
 * nom.tam FITS library
 * %%
 * Copyright (C) 2004 - 2024 nom-tam-fits
 * %%
 * This is free and unencumbered software released into the public domain.
 *
 * Anyone is free to copy, modify, publish, use, compile, sell, or
 * distribute this software, either in source code form or as a compiled
 * binary, for any purpose, commercial or non-commercial, and by any
 * means.
 *
 * In jurisdictions that recognize copyright laws, the author or authors
 * of this software dedicate any and all copyright interest in the
 * software to the public domain. We make this dedication for the benefit
 * of the public at large and to the detriment of our heirs and
 * successors. We intend this dedication to be an overt act of
 * relinquishment in perpetuity of all present and future rights to this
 * software under copyright law.
 *
 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY CLAIM, DAMAGES OR
 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
 * OTHER DEALINGS IN THE SOFTWARE.
 * #L%
 */

import java.nio.Buffer;

/**
 * A FITS string element element, essentially an ASCII byte sequence.
 */
class StringType extends ElementType<Buffer> {

    protected StringType() {
        super(0, true, CharSequence.class, String.class, null, 'L', 0);
    }

    @Override
    public int size(Object instance) {
        if (instance == null) {
            return 0;
        }
        if (instance instanceof CharSequence) {
            return ((CharSequence) instance).length();
        }
        throw new IllegalArgumentException(
                "Class " + instance.getClass().getName() + " is not an instance of CharSequence");
    }
}
