io.apicurio.datamodels.cmd.commands.ReplaceDocumentCommand Maven / Gradle / Ivy

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/*
 * Copyright 2019 Red Hat
 *
 * 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.apicurio.datamodels.cmd.commands;

import java.util.Collection;
import java.util.LinkedHashMap;

import io.apicurio.datamodels.Library;
import io.apicurio.datamodels.asyncapi.v2.models.Aai20Document;
import io.apicurio.datamodels.cmd.util.ModelUtils;
import io.apicurio.datamodels.core.models.Document;
import io.apicurio.datamodels.core.models.Extension;
import io.apicurio.datamodels.openapi.models.OasDocument;
import io.apicurio.datamodels.openapi.v2.models.Oas20Document;
import io.apicurio.datamodels.openapi.v3.models.Oas30Document;

/**
 * A command used to replace a path item with a newer version.
 * @author [email protected]
 */
public class ReplaceDocumentCommand extends ReplaceNodeCommand {

    ReplaceDocumentCommand() {
    }
    
    ReplaceDocumentCommand(Document old, Document replacement) {
        super(old, replacement);
    }
    
    /**
     * @see io.apicurio.datamodels.cmd.commands.ReplaceNodeCommand#removeNode(io.apicurio.datamodels.core.models.Document, io.apicurio.datamodels.core.models.Node)
     */
    @Override
    protected void removeNode(Document doc, Document node) {
        switch (node.getDocumentType()) {
            case asyncapi2:
                this.resetAai2xDocument((Aai20Document) node);
                break;
            case openapi2:
                this.resetOas2xDocument((Oas20Document) node);
                break;
            case openapi3:
                this.resetOas3xDocument((Oas30Document) node);
                break;
            default:
                break;
        }
    }
    
    /**
     * @see io.apicurio.datamodels.cmd.commands.ReplaceNodeCommand#addNode(io.apicurio.datamodels.core.models.Document, io.apicurio.datamodels.core.models.Node)
     */
    @Override
    protected void addNode(Document doc, Document node) {
        // Do nothing - the node being "added" is the root document node.
    }
    
    /**
     * @see io.apicurio.datamodels.cmd.commands.ReplaceNodeCommand#readNode(io.apicurio.datamodels.core.models.Document, java.lang.Object)
     */
    @Override
    protected Document readNode(Document doc, Object node) {
        Library.readNode(node, doc);
        return (Document) doc;
    }

    /**
     * Resets a 2.0 OAI document by nulling out all of its properties.
     * @param doc
     */
    private void resetOas2xDocument(Oas20Document doc) {
        doc.host = null;
        doc.basePath = null;
        doc.schemes= null;
        doc.consumes= null;
        doc.produces= null;
        doc.definitions = null;
        doc.parameters = null;
        doc.responses = null;
        doc.securityDefinitions = null;
        this.resetOasDocument(doc);
    }

    /**
     * Resets a 3.x OAI document by nulling out all of its properties.
     * @param doc
     */
    private void resetOas3xDocument(Oas30Document doc) {
        doc.servers = null;
        doc.components = null;
        this.resetOasDocument(doc);
    }

    /**
     * Resets a 2.0 AAI document by nulling out all of its properties.
     * @param doc
     */
    private void resetAai2xDocument(Aai20Document doc) {
        doc.id = null;
        doc.channels = new LinkedHashMap<>();
        doc.servers = null;
        doc.components = null;
        doc.defaultContentType = null;
        this.resetDocument(doc);
    }

    /**
     * Resets the common properties of an OAS doc.
     * @param doc
     */
    private void resetOasDocument(OasDocument doc) {
        doc.paths = null;
        doc.security = null;
        this.resetDocument(doc);
    }

    /**
     * Resets the common properties.
     * @param doc
     */
    private void resetDocument(Document doc) {
        doc.info = null;
        doc.tags = null;
        doc.externalDocs = null;

        Collection extensions = doc.getExtensions();
        if (ModelUtils.isDefined(extensions)) {
            extensions.forEach(ext -> {
                doc.removeExtension(ext.name);
            });
        }
        
        doc.getExtraPropertyNames().forEach(pname -> {
            doc.removeExtraProperty(pname);
        });
    }

}