package org.osforce.connect.web.tag.freemarker;
import java.io.IOException;
import java.util.Date;
import java.util.Map;
import org.springframework.util.Assert;
import com.ocpsoft.pretty.time.PrettyTime;
import freemarker.core.Environment;
import freemarker.template.TemplateDateModel;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateDirectiveModel;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;
/**
*
* @author <a href="mailto:haozhonghu@hotmail.com">gavin</a>
* @since 1.1.0
* @create May 20, 2011 - 2:37:46 PM
* <a href="http://www.opensourceforce.org">开源力量</a>
*/
public class PrettyTimeTag implements TemplateDirectiveModel {
@SuppressWarnings("unchecked")
public void execute(Environment env, Map params, TemplateModel[] loopVars,
TemplateDirectiveBody body) throws TemplateException, IOException {
TemplateDateModel dateModel = (TemplateDateModel) params.get("date");
Date date = dateModel!=null ? dateModel.getAsDate() : null;
Assert.notNull(date, "Parameter date can not be null!");
PrettyTime prettyTime = new PrettyTime(env.getLocale());
env.getOut().write(prettyTime.format(date));
}
}