oal-parser/src/main/java/org/apache/skywalking/oal/tool/output/FileGenerator.java

/*
 * Licensed to the Apache Software Foundation (ASF) under one or more
 * contributor license agreements.  See the NOTICE file distributed with
 * this work for additional information regarding copyright ownership.
 * The ASF licenses this file to You 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.apache.skywalking.oal.tool.output;

import freemarker.template.Configuration;
import freemarker.template.Template;
import freemarker.template.TemplateException;
import freemarker.template.Version;
import java.io.IOException;
import java.io.OutputStream;
import java.io.Writer;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import org.apache.skywalking.oal.tool.parser.AnalysisResult;

public class FileGenerator {
    private List<AnalysisResult> results;
    private String outputPath;
    private Configuration configuration;

    public FileGenerator(List<AnalysisResult> results, String outputPath) {
        this.results = results;
        this.outputPath = outputPath;
        configuration = new Configuration(new Version("2.3.28"));
        configuration.setEncoding(Locale.ENGLISH, "UTF-8");
        configuration.setClassLoaderForTemplateLoading(FileGenerator.class.getClassLoader(), "/code-templates");
    }

    public void generate() {

    }

    void generateAggregateWorker(AnalysisResult result, Writer output) throws IOException, TemplateException {
        configuration.getTemplate("AggregateWorkerTemplate.ftl").process(result, output);
    }

    void generateRemoteWorker(AnalysisResult result, Writer output) throws IOException, TemplateException {
        configuration.getTemplate("RemoteWorkerTemplate.ftl").process(result, output);
    }

    void generatePersistentWorker(AnalysisResult result, Writer output) throws IOException, TemplateException {
        configuration.getTemplate("PersistentWorkerTemplate.ftl").process(result, output);
    }

    void generateIndicatorImplementor(AnalysisResult result, Writer output) throws IOException, TemplateException {
        configuration.getTemplate("IndicatorImplementor.ftl").process(result, output);
    }
}