com.ext_ext.mybatisext.helper.VelocityTemplateUtil Maven / Gradle / Ivy
package com.ext_ext.mybatisext.helper;
import java.io.StringWriter;
import java.util.Map;
import java.util.Properties;
import org.apache.velocity.VelocityContext;
import org.apache.velocity.app.Velocity;
/**
* 处理配置文件信息专用
*
* @author 宋汝波
* @Date 2014-7-3
*/
public class VelocityTemplateUtil {
static {
Properties p = new Properties();
p.setProperty(Velocity.FILE_RESOURCE_LOADER_PATH, "");
p.setProperty(Velocity.ENCODING_DEFAULT, "UTF-8");
p.setProperty(Velocity.INPUT_ENCODING, "UTF-8");
p.setProperty(Velocity.OUTPUT_ENCODING, "UTF-8");
p.setProperty(Velocity.RUNTIME_LOG_LOGSYSTEM_CLASS, "org.apache.velocity.runtime.log.Log4JLogChute");
Velocity.init(p);
}
public static String getConfiguration( Map map, String templateName ) {
VelocityContext context = new VelocityContext(map);
StringWriter writer = new StringWriter();
Velocity.getTemplate(templateName).merge(context, writer);
return writer.toString();
}
/**
* 使用velocity 替换模板字符串中的变量
*
* @param templateStr
* @param map
* @return
*/
public static String getTemplateString( String templateStr, Map map ) {
StringWriter write = new StringWriter();
Velocity.evaluate(new VelocityContext(map), write, "", templateStr);
return write.toString();
}
}