de.obqo.decycle.maven.AllowConstraint Maven / Gradle / Ivy

package de.obqo.decycle.maven;

import java.util.ArrayList;
import java.util.List;

import lombok.AccessLevel;
import lombok.Getter;
import lombok.ToString;

/**
 * Base class for {@code <allow>} and {@code <allow-direct>} configuration elements. May either be used with
 * a simple (string) content
 *  * <allow>slice1, slice2, ...</allow>
 * 
 * or with {@code <any-of>} / {@code <one-of>} children.
 *  * <allow>
 *    <one-of>slice1, slice2<one-of>
 *    <any-of>slice3<any-of>
 *    <any-of>slice4, slice5<any-of>
 * </allow>
 * 
 * Mixing these two configuration types (i.e. using XML mixed content) is not possible.
 */
@Getter
@ToString
public abstract class AllowConstraint {

    private final boolean direct;
    private final List layers = new ArrayList<>();

    /**
     * simple content
     */
    @Getter(AccessLevel.NONE)
    private String content;

    protected AllowConstraint(final boolean direct) {
        this.direct = direct;
    }

    /**
     * Adds an {@code <any-of>slice1, slice2, ...</any-of>} layer
     *
     * @param slices comma separated list of slice names
     */
    public void setAnyOf(final String slices) {
        this.layers.add(new Layer(false, slices));
    }

    /**
     * Adds a {@code <one-of>slice1, slice2, ...</one-of>} layer
     *
     * @param slices comma separated list of slice names
     */
    public void setOneOf(final String slices) {
        this.layers.add(new Layer(true, slices));
    }

    /**
     * Default setter for string-only content, for example {@code <allow>slice1, slice2, ...</allow>}
     * 
     * Will be interpreted as list of {@code <any-of>} elements.
     *
     * @param slices comma separated list of slice names
     */
    public void set(final String slices) {
        this.content = slices;
    }

    public String get() {
        return this.content;
    }
}