/*
 * Copyright (c) 2003, Oracle and/or its affiliates. All rights reserved.
 * ORACLE PROPRIETARY/CONFIDENTIAL. Use is subject to license terms.
 *
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 */

package java.util;

/**
 * Unchecked exception thrown when duplicate flags are provided in the format
 * specifier.
 *
 * <p> Unless otherwise specified, passing a {@code null} argument to any
 * method or constructor in this class will cause a {@link
 * NullPointerException} to be thrown.
 *
 * @since 1.5
 */
public class DuplicateFormatFlagsException extends IllegalFormatException {

 private static final long serialVersionUID = 18890531L;

 private String flags;

 /**
 * Constructs an instance of this class with the specified flags.
 *
 * @param f
 * The set of format flags which contain a duplicate flag.
 */
 public DuplicateFormatFlagsException(String f) {
 if (f == null)
 throw new NullPointerException();
 this.flags = f;
 }

 /**
 * Returns the set of flags which contains a duplicate flag.
 *
 * @return The flags
 */
 public String getFlags() {
 return flags;
 }

 public String getMessage() {
 return String.format("Flags = '%s'", flags);
 }
}