IsLowerExpTest.java

package com.hubspot.jinjava.lib.exptest;

import org.apache.commons.lang3.StringUtils;

import com.hubspot.jinjava.doc.annotations.JinjavaDoc;
import com.hubspot.jinjava.doc.annotations.JinjavaSnippet;
import com.hubspot.jinjava.interpret.JinjavaInterpreter;

@JinjavaDoc(
    value = "Return true if the given string is all lowercased",
    snippets = {
        @JinjavaSnippet(
            code = "{% if variable is lower %}\n" +
                "   <!--code to render if variable value is lowercased-->\n" +
                "{% endif %}")
    })
public class IsLowerExpTest implements ExpTest {

  @Override
  public String getName() {
    return "lower";
  }

  @Override
  public boolean evaluate(Object var, JinjavaInterpreter interpreter,
      Object... args) {
    if (var == null || !(var instanceof String)) {
      return false;
    }

    return StringUtils.isAllLowerCase((String) var);
  }

}