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- Move to commons module - Deprecate dropToString() api
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90 changes: 0 additions & 90 deletions
90
...strap-core/src/test/java/com/navercorp/pinpoint/bootstrap/plugin/jdbc/ArrayUtilsTest.java
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75 changes: 75 additions & 0 deletions
75
commons/src/main/java/com/navercorp/pinpoint/common/util/ArrayUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,75 @@ | ||
| /* | ||
| * Copyright 2016 NAVER Corp. | ||
| * | ||
| * Licensed 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. | ||
| * | ||
| */ | ||
|
|
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| package com.navercorp.pinpoint.common.util; | ||
|
|
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| /** | ||
| * @author Woonduk Kang(emeroad) | ||
| */ | ||
| public final class ArrayUtils { | ||
|
|
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| private static final int DEFAULT_ABBREVIATE_MAX_WIDTH = 32; | ||
|
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| private ArrayUtils() { | ||
| } | ||
|
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| public static String abbreviate(byte[] bytes) { | ||
| return abbreviate(bytes, DEFAULT_ABBREVIATE_MAX_WIDTH); | ||
| } | ||
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| public static String abbreviate(byte[] bytes, int maxWidth) { | ||
| if (bytes == null) { | ||
| return "null"; | ||
| } | ||
| if (maxWidth < 0) { | ||
| throw new IllegalArgumentException("negative maxWidth:" + maxWidth); | ||
| } | ||
| // TODO handle negative limit | ||
|
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| // Last valid index is length - 1 | ||
| int bytesMaxLength = bytes.length - 1; | ||
| final int maxLimit = maxWidth - 1; | ||
| if (bytesMaxLength > maxLimit) { | ||
| bytesMaxLength = maxLimit; | ||
| } | ||
| if (bytesMaxLength == -1) { | ||
| if (bytes.length == 0) { | ||
| return "[]"; | ||
| } else { | ||
| return "[...(" + bytes.length + ")]"; | ||
| } | ||
| } | ||
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| final StringBuilder sb = new StringBuilder(); | ||
| sb.append('['); | ||
| for (int i = 0; ; i++) { | ||
| sb.append(bytes[i]); | ||
| if (i == bytesMaxLength) { | ||
| if ((bytes.length - 1) <= maxLimit) { | ||
| return sb.append(']').toString(); | ||
| } else { | ||
| sb.append(", ...("); | ||
| sb.append(bytes.length - (i+1)); | ||
| sb.append(")]"); | ||
| return sb.toString(); | ||
| } | ||
| } | ||
| sb.append(", "); | ||
| } | ||
| } | ||
| } |
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