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/**
* ============LICENSE_START==================================================== org.onap.aaf
* =========================================================================== Copyright (c) 2018
* AT&T Intellectual Property. All rights reserved.
*
* Modifications Copyright (C) 2019 IBM. ===========================================================================
* 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. ============LICENSE_END====================================================
*/
package org.onap.aaf.certservice.cmpv2client.external;
/**
* Split by Char, optional Trim
*
* <p>Note: Copied from Inno to avoid linking issues. Note: I read the String split and Pattern
* split code, and we can do this more efficiently for a single Character
*
* <p>8/20/2015
*/
public class Split {
private static final String[] EMPTY = new String[0];
public static String[] split(char c, String value) {
if (value == null) {
return EMPTY;
}
return split(c, value, 0, value.length());
}
public static String[] split(char c, String value, int start, int end) {
if (value == null) {
return EMPTY;
}
// Count items to preallocate Array (memory alloc is more expensive than counting twice)
int count, idx;
for (count = 1, idx = value.indexOf(c, start);
idx >= 0 && idx < end;
idx = value.indexOf(c, ++idx), ++count) {
;
}
String[] rv = new String[count];
if (count == 1) {
rv[0] = value.substring(start, end);
} else {
int last = 0;
count = -1;
for (idx = value.indexOf(c, start); idx >= 0 && idx < end;
idx = value.indexOf(c, idx)) {
rv[++count] = value.substring(last, idx);
last = ++idx;
}
rv[++count] = value.substring(last, end);
}
return rv;
}
public static String[] splitTrim(char c, String value, int start, int end) {
if (value == null) {
return EMPTY;
}
// Count items to preallocate Array (memory alloc is more expensive than counting twice)
int count, idx;
for (count = 1, idx = value.indexOf(c, start);
idx >= 0 && idx < end;
idx = value.indexOf(c, ++idx), ++count) {
;
}
String[] rv = new String[count];
if (count == 1) {
rv[0] = value.substring(start, end).trim();
} else {
int last = start;
count = -1;
for (idx = value.indexOf(c, start); idx >= 0 && idx < end;
idx = value.indexOf(c, idx)) {
rv[++count] = value.substring(last, idx).trim();
last = ++idx;
}
rv[++count] = value.substring(last, end).trim();
}
return rv;
}
public static String[] splitTrim(char c, String value) {
if (value == null) {
return EMPTY;
}
return splitTrim(c, value, 0, value.length());
}
public static String[] splitTrim(char c, String value, int size) {
if (value == null) {
return EMPTY;
}
int idx;
String[] rv = new String[size];
if (size == 1) {
rv[0] = value.trim();
} else {
int last = 0;
int count = -1;
size -= 2;
for (idx = value.indexOf(c); idx >= 0 && count < size; idx = value.indexOf(c, idx)) {
rv[++count] = value.substring(last, idx).trim();
last = ++idx;
}
if (idx > 0) {
rv[++count] = value.substring(last, idx).trim();
} else {
rv[++count] = value.substring(last).trim();
}
}
return rv;
}
}
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