com.tambapps.http.hyperpoet.util.ParametersUtils Maven / Gradle / Ivy

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package com.tambapps.http.hyperpoet.util;

import java.util.Map;
import java.util.function.Supplier;

public class ParametersUtils {

  public static String getStringOrDefault(Map additionalParameters, String key, String defaultValue) {
    Object object = additionalParameters.get(key);
    return object != null ? object.toString() : defaultValue;
  }

  public static  T getOrDefault(Map additionalParameters, String key, Class clazz,
      T defaultValue) {
    Object object = additionalParameters.get(key);
    if (object == null) {
      return defaultValue;
    }
    if (!clazz.isAssignableFrom(object.getClass())) {
      throw new IllegalArgumentException(
          String.format("Unexpected type for parameter '%s', expected type %s but got %s", key,
              clazz.getSimpleName(), object.getClass().getSimpleName()));
    }
    return (T) object;
  }

  public static  T getOrDefaultSupply(Map additionalParameters, String key,
      Class clazz, Supplier defaultValueSupplier) {
    Object object = additionalParameters.get(key);
    if (object == null) {
      return defaultValueSupplier.get();
    }
    if (!clazz.isAssignableFrom(object.getClass())) {
      throw new IllegalArgumentException(
          String.format("Unexpected type for parameter '%s', expected type %s", key,
              clazz.getSimpleName()));
    }
    return (T) object;
  }
}