models.Parameter.java Source code

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Here is the source code for models.Parameter.java

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/* Copyright 2013 Fabian Steeg, hbz. Licensed under the Eclipse Public License 1.0 */

package models;

import java.util.Map;

import com.google.common.collect.ImmutableMap;

/**
 * Parameters for API requests.
 * 
 * @author Fabian Steeg (fsteeg)
 */
@SuppressWarnings("javadoc")
public enum Parameter {
    ID, NAME, AUTHOR, SUBJECT, SET, Q;
    /**
     * @return The parameter id (the string passed to the API)
     */
    public String id() { // NOPMD
        return name().toLowerCase();
    }

    public static Map.Entry<Parameter, String> select(ImmutableMap<Parameter, String> params) {
        for (Map.Entry<Parameter, String> p : params.entrySet())
            if (isDefined(p.getValue()))
                return p;
        return null;
    }

    private static boolean isDefined(final String param) {
        return !param.isEmpty();
    }
}