org.zodiac.template.freemarker.directive.SystemPropertiesDirective Maven / Gradle / Ivy

Go to download

Show more of this group Show more artifacts with this name
Show all versions of zodiac-template-freemarker Show documentation

Zodiac Template Freemarker

The newest version!

package org.zodiac.template.freemarker.directive;

import java.io.IOException;
import java.util.Map;

import org.zodiac.sdk.toolkit.util.lang.StrUtil;

import freemarker.core.Environment;
import freemarker.template.TemplateDirectiveBody;
import freemarker.template.TemplateException;
import freemarker.template.TemplateModel;

public class SystemPropertiesDirective extends AbstractSystemPropertiesDirective {

    public static final String DIRECTIVE_NAME = "sysProp";

    @SuppressWarnings("rawtypes")
    @Override
    public void execute(Environment env, Map params, TemplateModel[] loopVars, TemplateDirectiveBody body)
            throws TemplateException, IOException {
        CheckResult result = check(params, env);
        String value = (null != result.getDefaultValue() ? System.getProperty(result.getName(), result.getDefaultValue()) :
            StrUtil.trimToEmpty(System.getProperty(result.getName())));
        env.setVariable(VARIABLE_NAME, wrapTemplateModel(value));
        //writeOut(env, value);
        if (null != body) body.render(env.getOut());
    }

    @Override
    public String getName() {
        return DIRECTIVE_NAME;
    }

}