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Jinja templating engine implemented in Java

There is a newer version: 2.7.4

package com.hubspot.jinjava.lib.exptest;

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

@JinjavaDoc(
  value = "Returns true if a list contains a value",
  input = @JinjavaParam(value = "list", type = "list", required = true),
  params = @JinjavaParam(
    value = "value",
    type = "object",
    desc = "The value to check is in the list",
    required = true
  ),
  snippets = { @JinjavaSnippet(code = "{{ [1, 2, 3] is containing 2 }}") }
)
public class IsContainingExpTest extends CollectionExpTest {

  @Override
  public boolean evaluate(Object var, JinjavaInterpreter interpreter, Object... args) {
    if (args == null || args.length == 0) {
      return false;
    }

    return (Boolean) COLLECTION_MEMBERSHIP_OPERATOR.apply(TYPE_CONVERTER, args[0], var);
  }

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