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package org.nakedobjects.applib.adapters;

public abstract class AbstractValueSemanticsProvider implements ValueSemanticsProvider {

    private boolean immutable;
    private boolean equalByContent;

    /**
     * Defaults {@link #isImmutable()} to true and {@link #isEqualByContent()} to true
     * also.
     */
    public AbstractValueSemanticsProvider() {
        this(true, true);
    }

    public AbstractValueSemanticsProvider(final boolean immutable, final boolean equalByContent) {
        this.immutable = immutable;
        this.equalByContent = equalByContent;
    }

    public EncoderDecoder getEncoderDecoder() {
        return (EncoderDecoder) (this instanceof EncoderDecoder ? this : null);
    }

    public Parser getParser() {
        return (Parser) (this instanceof Parser ? this : null);
    }

    public DefaultsProvider getDefaultsProvider() {
        return (DefaultsProvider) (this instanceof DefaultsProvider ? this : null);
    }

    /**
     * Defaults to true if no-arg constructor is used.
     */
    public boolean isEqualByContent() {
        return equalByContent;
    }

    /**
     * Defaults to true if no-arg constructor is used.
     */
    public boolean isImmutable() {
        return immutable;
    }

}

// Copyright (c) Naked Objects Group Ltd.