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• 1.0.3
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• CaptionDirective.java

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com.mg.common.metadata.freeMarker.directive.CaptionDirective Maven / Gradle / Ivy

package com.mg.common.metadata.freeMarker.directive;

import freemarker.core.Environment;
import freemarker.template.*;

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

/**
 * Created by liukefu on 2015/9/28.
 */
public class CaptionDirective implements TemplateDirectiveModel {
    @Override
    public void execute(Environment env,
                        Map params, TemplateModel[] loopVars,
                        TemplateDirectiveBody body)
            throws TemplateException, IOException {
        // Check if no parameters were given:
        if (params.isEmpty()) {
            throw new TemplateModelException("This directive need 'content' parameters.");
        }

        SimpleScalar contentScalar = (SimpleScalar)params.get("content");
        String content = contentScalar.getAsString();
        StringBuilder sb = new StringBuilder();
        sb.append("
\n" +
                "    "+content+"\n" +
                "
");
        env.getOut().write(sb.toString());
    }

}