freemarker-generator-cli/src/main/java/org/apache/freemarker/generator/cli/config/Suppliers.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.freemarker.generator.cli.config;

import freemarker.cache.TemplateLoader;
import org.apache.freemarker.generator.base.datasource.DataSourcesSupplier;
import org.apache.freemarker.generator.base.file.PropertiesClassPathSupplier;
import org.apache.freemarker.generator.base.file.PropertiesFileSystemSupplier;
import org.apache.freemarker.generator.base.file.PropertiesSupplier;
import org.apache.freemarker.generator.base.template.TemplateTransformationsBuilder;
import org.apache.freemarker.generator.base.template.TemplateTransformationsSupplier;

import java.util.Map;
import java.util.function.Supplier;

/**
 * Convenience methods to create suppliers.
 */
public class Suppliers {

    public static ConfigurationSupplier configurationSupplier(Settings settings) {
        return new ConfigurationSupplier(settings, templateLoaderSupplier(settings));
    }

    public static ConfigurationSupplier configurationSupplier(Settings settings, Supplier<TemplateLoader> templateLoader) {
        return new ConfigurationSupplier(settings, templateLoader);
    }

    public static TemplateDirectorySupplier templateDirectorySupplier(String userDefinedTemplateDir) {
        return new TemplateDirectorySupplier(userDefinedTemplateDir);
    }

    public static TemplateLoaderSupplier templateLoaderSupplier(Settings settings) {
        return new TemplateLoaderSupplier(settings.getTemplateDirectories());
    }

    public static ToolsSupplier toolsSupplier(Settings settings) {
        return new ToolsSupplier(settings.getConfiguration(), settings.toMap());
    }

    public static DataSourcesSupplier dataSourcesSupplier(Settings settings) {
        return new DataSourcesSupplier(settings.getDataSources(),
                settings.getDataSourceIncludePattern(),
                settings.getDataSourceExcludePattern(),
                settings.getInputEncoding());
    }

    public static DataModelSupplier dataModelSupplier(Settings settings) {
        return new DataModelSupplier(settings.getDataModels());
    }

    public static Supplier<Map<String, Object>> parameterSupplier(Settings settings) {
        return settings::getParameters;
    }

    public static TemplateTransformationsSupplier templateTransformationsSupplier(Settings settings) {
        return (() -> TemplateTransformationsBuilder.builder()
                .setTemplate("interactive", settings.getInteractiveTemplate())
                .addSources(settings.getTemplates())
                .addInclude(settings.getTemplateFileIncludePattern())
                .addExclude(settings.getTemplateFileExcludePattern())
                .addOutput(settings.getOutput())
                .setWriter(settings.getWriter())
                .build());
    }

    public static PropertiesSupplier propertiesSupplier(String fileName) {
        return new PropertiesSupplier(
                new PropertiesFileSystemSupplier(fileName),
                new PropertiesClassPathSupplier(fileName));
    }
}