Construct.java

/**
 * Copyright (c) 2008-2013, http://www.snakeyaml.org
 *
 * 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 org.yaml.snakeyaml.constructor;

import org.yaml.snakeyaml.nodes.Node;

/**
 * Provide a way to construct a Java instance out of the composed Node. Support
 * recursive objects if it is required. (create Native Data Structure out of
 * Node Graph)
 * 
 * @see <a href="http://yaml.org/spec/1.1/#id859109">Chapter 3. Processing YAML
 *      Information</a>
 */
public interface Construct {
    /**
     * Construct a Java instance with all the properties injected when it is
     * possible.
     * 
     * @param node
     *            composed Node
     * @return a complete Java instance
     */
    public Object construct(Node node);

    /**
     * Apply the second step when constructing recursive structures. Because the
     * instance is already created it can assign a reference to itself.
     * 
     * @param node
     *            composed Node
     * @param object
     *            the instance constructed earlier by
     *            <code>construct(Node node)</code> for the provided Node
     */
    public void construct2ndStep(Node node, Object object);
}