org.blip.workflowengine.configuration.XmlConfigWrite.java Source code

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Here is the source code for org.blip.workflowengine.configuration.XmlConfigWrite.java

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/**
 *     Copyright 2017 Open Source Osijek Community
 *
 * 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.blip.workflowengine.configuration;

import org.blip.workflowengine.flowcomponent.Microservice;
import org.blip.workflowengine.functions.FlowComponentXmlFunctions;
import org.jdom2.Document;
import org.jdom2.output.Format;
import org.jdom2.output.XMLOutputter;

import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.util.Objects;

/**
 * Created by root on 01.01.17..
 */
public interface XmlConfigWrite extends FlowComponentXmlFunctions {

    default void write(final Microservice microservice, final File file) throws IOException {
        Objects.requireNonNull(microservice, "microservice argument is null");
        Objects.requireNonNull(file, "file argument is null");

        if (!file.isFile()) {
            throw new IllegalArgumentException("Not a file");
        } else if (!file.canWrite()) {
            throw new IllegalArgumentException("Can't write to file");
        }

        final XMLOutputter out = new XMLOutputter(Format.getPrettyFormat());
        final Document document = new Document(microserviceToXml().apply(microservice));
        out.output(document, new FileOutputStream(file));
    }

}