com.whaleal.icefrog.extra.template.engine.rythm.RythmEngine Maven / Gradle / Ivy

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icefrog 扩展工具类（提供其它类库的封装）

There is a newer version: 1.1.71

package com.whaleal.icefrog.extra.template.engine.rythm;

import com.whaleal.icefrog.extra.template.Template;
import com.whaleal.icefrog.extra.template.TemplateConfig;
import com.whaleal.icefrog.extra.template.TemplateEngine;

import java.util.Properties;

/**
 * Rythm模板引擎

 * 文档：http://rythmengine.org/doc/index
 *
 * @author looly
 */
public class RythmEngine implements TemplateEngine {

    org.rythmengine.RythmEngine engine;

    // --------------------------------------------------------------------------------- Constructor start

    /**
     * 默认构造
     */
    public RythmEngine() {
    }

    /**
     * 构造
     *
     * @param config 模板配置
     */
    public RythmEngine( TemplateConfig config ) {
        init(config);
    }

    /**
     * 构造
     *
     * @param engine {@link org.rythmengine.RythmEngine}
     */
    public RythmEngine( org.rythmengine.RythmEngine engine ) {
        init(engine);
    }
    // --------------------------------------------------------------------------------- Constructor end

    /**
     * 创建引擎
     *
     * @param config 模板配置
     * @return {@link org.rythmengine.RythmEngine}
     */
    private static org.rythmengine.RythmEngine createEngine( TemplateConfig config ) {
        if (null == config) {
            config = new TemplateConfig();
        }

        final Properties props = new Properties();
        final String path = config.getPath();
        if (null != path) {
            props.put("home.template", path);
        }

        return new org.rythmengine.RythmEngine(props);
    }

    @Override
    public TemplateEngine init( TemplateConfig config ) {
        if (null == config) {
            config = TemplateConfig.DEFAULT;
        }
        init(createEngine(config));
        return this;
    }

    /**
     * 初始化引擎
     *
     * @param engine 引擎
     */
    private void init( org.rythmengine.RythmEngine engine ) {
        this.engine = engine;
    }

    @Override
    public Template getTemplate( String resource ) {
        if (null == this.engine) {
            init(TemplateConfig.DEFAULT);
        }
        return RythmTemplate.wrap(this.engine.getTemplate(resource));
    }
}