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      1 /*
      2  * Copyright (C) 2008 The Guava Authors
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  * http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 
     17 package com.google.common.collect.testing.google;
     18 
     19 import com.google.common.annotations.GwtCompatible;
     20 import com.google.common.collect.Multiset;
     21 import com.google.common.collect.testing.SampleElements;
     22 import com.google.common.collect.testing.SampleElements.Strings;
     23 
     24 import java.util.List;
     25 
     26 /**
     27  * Create multisets of strings for tests.
     28  *
     29  * @author Jared Levy
     30  */
     31 @GwtCompatible
     32 public abstract class TestStringMultisetGenerator
     33     implements TestMultisetGenerator<String>
     34 {
     35   @Override
     36   public SampleElements<String> samples() {
     37     return new Strings();
     38   }
     39 
     40   @Override
     41   public Multiset<String> create(Object... elements) {
     42     String[] array = new String[elements.length];
     43     int i = 0;
     44     for (Object e : elements) {
     45       array[i++] = (String) e;
     46     }
     47     return create(array);
     48   }
     49 
     50   protected abstract Multiset<String> create(String[] elements);
     51 
     52   @Override
     53   public String[] createArray(int length) {
     54     return new String[length];
     55   }
     56 
     57   /** Returns the original element list, unchanged. */
     58   @Override
     59   public List<String> order(List<String> insertionOrder) {
     60     return insertionOrder;
     61   }
     62 }
     63