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Deprecated StringUtils.mergeStringArrays

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(cherry picked from commit 0f74052)
This commit is contained in:
Juergen Hoeller
2018-02-22 15:13:57 +01:00
parent 0a3a82fd83
commit 8b5563ecab
2 changed files with 11 additions and 3 deletions
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11
spring-core/src/main/java/org/springframework/util/StringUtils.java
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@@ -815,7 +815,10 @@ public abstract class StringUtils {
* @param array1 the first array (can be {@code null})
* @param array2 the second array (can be {@code null})
* @return the new array ({@code null} if both given arrays were {@code null})
* @deprecated as of 4.3.15, in favor of manual merging via {@link LinkedHashSet}
* (with every entry included at most once, even entries within the first array)
*/
@Deprecated
public static String[] mergeStringArrays(String[] array1, String[] array2) {
if (ObjectUtils.isEmpty(array1)) {
return array2;
@@ -824,9 +827,13 @@ public abstract class StringUtils {
return array1;
}
Set<String> result = new LinkedHashSet<String>();
List<String> result = new ArrayList<String>();
result.addAll(Arrays.asList(array1));
result.addAll(Arrays.asList(array2));
for (String str : array2) {
if (!result.contains(str)) {
result.add(str);
}
}
return toStringArray(result);
}

3
spring-core/src/test/java/org/springframework/util/StringUtilsTests.java
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@@ -1,5 +1,5 @@
/*
* Copyright 2002-2017 the original author or authors.
* Copyright 2002-2018 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@@ -443,6 +443,7 @@ public class StringUtilsTests {
}
@Test
@Deprecated
public void testMergeStringArrays() {
String[] input1 = new String[] {"myString2"};
String[] input2 = new String[] {"myString1", "myString2"};