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/*
 * Copyright 2016 The original authors.
 *
 *    Licensed under the Apache License, Version 2.0 (the "License");
 *    you may not use this file except in compliance with the License.
 *    You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0
 *
 *    Unless required by applicable law or agreed to in writing, software
 *    distributed under the License is distributed on an "AS IS" BASIS,
 *    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *    See the License for the specific language governing permissions and
 *    limitations under the License.
 */

package io.sundr.codegen.model;

import io.sundr.codegen.utils.StringUtils;

import java.util.Collections;
import java.util.List;
import java.util.Map;

public class WildcardRef extends TypeRef {

    private static final String WILDCARD = "?";
    private final List bounds;


    public WildcardRef() {
        this(Collections.emptyList(), Collections.emptyMap());
    }

    public WildcardRef(List bounds, Map attributes) {
        super(attributes);
        this.bounds = bounds;
    }

    public List getBounds() {
        return bounds;
    }

    public int getDimensions() {
        return 0;
    }

    public TypeRef withDimensions(int dimensions) {
        throw new UnsupportedOperationException();
    }

    @Override
    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append(WILDCARD);
        if (bounds != null && !bounds.isEmpty()) {
            sb.append(" extends ");
            sb.append(StringUtils.join(bounds, ","));
        }
        return sb.toString();
    }

    public boolean isAssignableFrom(TypeRef ref) {
        return false;
    }

}