cn.hutool.extra.template.engine.thymeleaf.ThymeleafTemplate Maven / Gradle / Ivy
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package cn.hutool.extra.template.engine.thymeleaf;
import cn.hutool.core.convert.Convert;
import cn.hutool.core.io.IoUtil;
import cn.hutool.core.lang.TypeReference;
import cn.hutool.core.util.CharsetUtil;
import cn.hutool.core.util.ObjectUtil;
import cn.hutool.extra.template.AbstractTemplate;
import org.thymeleaf.TemplateEngine;
import org.thymeleaf.context.Context;
import java.io.OutputStream;
import java.io.Serializable;
import java.io.Writer;
import java.nio.charset.Charset;
import java.util.Locale;
import java.util.Map;
/**
* Thymeleaf模板实现
*
* @author looly
* @since 4.1.11
*/
public class ThymeleafTemplate extends AbstractTemplate implements Serializable {
private static final long serialVersionUID = 781284916568562509L;
private final TemplateEngine engine;
private final String template;
private final Charset charset;
/**
* 包装Thymeleaf模板
*
* @param engine Thymeleaf的模板引擎对象 {@link TemplateEngine}
* @param template 模板路径或模板内容
* @param charset 编码
* @return {@link ThymeleafTemplate}
*/
public static ThymeleafTemplate wrap(TemplateEngine engine, String template, Charset charset) {
return (null == engine) ? null : new ThymeleafTemplate(engine, template, charset);
}
/**
* 构造
*
* @param engine Thymeleaf的模板对象 {@link TemplateEngine}
* @param template 模板路径或模板内容
* @param charset 编码
*/
public ThymeleafTemplate(TemplateEngine engine, String template, Charset charset) {
this.engine = engine;
this.template = template;
this.charset = ObjectUtil.defaultIfNull(charset, CharsetUtil.CHARSET_UTF_8);
}
@Override
public void render(Map bindingMap, Writer writer) {
final Map map = Convert.convert(new TypeReference>() {}, bindingMap);
final Context context = new Context(Locale.getDefault(), map);
this.engine.process(this.template, context, writer);
}
@Override
public void render(Map bindingMap, OutputStream out) {
render(bindingMap, IoUtil.getWriter(out, this.charset));
}
}