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package org.apache.juneau.svl;

import org.apache.juneau.collections.*;

/**
 * Subclass of an {@link JsonMap} that automatically resolves any SVL variables in values.
 *
 * <p>
 * Resolves variables in the following values:
 * <ul>
 * 	<li>Values of type {@link CharSequence}.
 * 	<li>Arrays containing values of type {@link CharSequence}.
 * 	<li>Collections containing values of type {@link CharSequence}.
 * 	<li>Maps containing values of type {@link CharSequence}.
 * </ul>
 *
 * <p>
 * All other data types are left as-is.
 *
 * <ul class='seealso'>
 * 	<li class='link'>{@doc jm.SimpleVariableLanguage}
 * 	<li class='extlink'>{@source}
 * </ul>
 */
@SuppressWarnings({"serial"})
public class ResolvingJsonMap extends JsonMap {

	private final VarResolverSession varResolver;

	/**
	 * Constructor.
	 *
	 * @param varResolver The var resolver session to use for resolving SVL variables.
	 */
	public ResolvingJsonMap(VarResolverSession varResolver) {
		super();
		this.varResolver = varResolver;
	}

	@Override /* Map */
	public Object get(Object key) {
		return varResolver.resolve(super.get(key));
	}
}
