io.sundr.codegen.generator.GeneratorUtils Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of sundr-codegen Show documentation

There is a newer version: 1.14.0

/*
 * Copyright 2015 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.generator;

import org.apache.velocity.Template;
import org.apache.velocity.VelocityContext;

import java.io.BufferedWriter;
import java.io.File;
import java.io.FileWriter;
import java.io.IOException;
import java.io.Writer;

public final class GeneratorUtils {

    private GeneratorUtils() {
        //Utility Class
    }


    static void generate(VelocityContext context, Writer writer, Template template) throws IOException {
        BufferedWriter bufferedWriter = new BufferedWriter(writer);
        try {
            template.merge(context, bufferedWriter);
            writer.flush();
        } catch (IOException e) {
            throw new RuntimeException(e);
        } finally {
            bufferedWriter.close();
        }
    }

    static void generate(VelocityContext context, File dir, String fileName, Template template) throws IOException {
        FileWriter fw = null;
        try  {
            fw = new FileWriter(new File(dir, fileName));
            generate(context, fw, template);
        } finally {
            if (fw != null) {
                fw.close();
            }
        }
    }
}