content: /*
   * Licensed to the Apache Software Foundation (ASF) under one
   * or more contributor license agreements.  See the NOTICE file
   * distributed with this work for additional information
   * regarding copyright ownership.  The ASF licenses this file
   * to you under the Apache License, Version 2.0 (the
   * "License"); you may not use this file except in compliance
   * with the License.  You may obtain a copy of the License at
   *
   *   http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing,
   * software distributed under the License is distributed on an
   * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY
   * KIND, either express or implied.  See the License for the
   * specific language governing permissions and limitations
   * under the License.
   */
  package org.apache.asterix.common.utils;
  
  import java.util.Arrays;
  import java.util.Iterator;
  import java.util.Map;
  
  public class PrintUtil {
      private PrintUtil() {
      }
  
      public static String toString(Map<String, ? extends Object[]> map) {
          Iterator<? extends Map.Entry<String, ? extends Object[]>> iter = map.entrySet().iterator();
          if (!iter.hasNext()) {
              return "{}";
          }
          StringBuilder sb = new StringBuilder();
          sb.append('{');
          while (true) {
              Map.Entry<String, ? extends Object[]> entry = iter.next();
              sb.append(entry.getKey());
              sb.append('=');
              sb.append(Arrays.toString(entry.getValue()));
              if (!iter.hasNext()) {
                  break;
              }
              sb.append(',').append(' ');
          }
          return sb.append('}').toString();
      }
  }
  