Android Open Source - base-android-utils Check Utils

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License

The source code is released under:

Apache License

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Java Source Code

package me.pc.mobile.helper.v14.crypt;
/*w ww.  j av a2  s.c om*/
import java.lang.reflect.Array;
import java.util.Collection;
import java.util.Map;

/**
 * ????
 * 
 * @company YeePay
 * @author xingwei.bi
 * @since 2010-9-9
 * @version 1.0
 */
public class CheckUtils {

  public static final String COMMON_FIELD = "flowID,initiator,";

  /**
   * ??????????NULL,???????????Collection?Map(????????????????)
   * 
   * @param obj
   *            ???????
   * @param message
   *            ??????
   */
  @SuppressWarnings("rawtypes")
  public static void notEmpty(Object obj, String message) {
    if (obj == null) {
      throw new IllegalArgumentException(message + " must be specified");
    }
    if (obj instanceof String && obj.toString().trim().length() == 0) {
      throw new IllegalArgumentException(message + " must be specified");
    }
    if (obj.getClass().isArray() && Array.getLength(obj) == 0) {
      throw new IllegalArgumentException(message + " must be specified");
    }
    if (obj instanceof Collection && ((Collection) obj).isEmpty()) {
      throw new IllegalArgumentException(message + " must be specified");
    }
    if (obj instanceof Map && ((Map) obj).isEmpty()) {
      throw new IllegalArgumentException(message + " must be specified");
    }
  }

}

Java Source Code List