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    • com.hubspot.singularity.executor.handlebars.IfPresentHelper Maven / Gradle / Ivy

    There is a newer version: 1.5.0
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    package com.hubspot.singularity.executor.handlebars;

import java.io.IOException;

import com.github.jknack.handlebars.Helper;
import com.github.jknack.handlebars.Options;
import com.google.common.base.Optional;

public class IfPresentHelper implements Helper {

  public static final String NAME = "ifPresent";

  @SuppressWarnings("unchecked")
  @Override
  public CharSequence apply(Object context, Options options) throws IOException {
    if (context instanceof Optional) {
      context = ((Optional) context).orNull();
    }

    if (context != null) {
      return options.fn(context);
    } else {
      return options.inverse();
    }
  }

}
    
    
    
    

    




    
    
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