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Contents
/*
* Copyright 2007 ZXing authors
*
* 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.
*/
package com.google.zxing.common;
import java.util.Vector;
/**
* <p>This is basically a substitute for <code>java.util.Collections</code>, which is not
* present in MIDP 2.0 / CLDC 1.1.</p>
*
* @author Sean Owen
*/
public final class Collections {
private Collections() {
}
/**
* Sorts its argument (destructively) using insert sort; in the context of this package
* insertion sort is simple and efficient given its relatively small inputs.
*
* @param vector vector to sort
* @param comparator comparator to define sort ordering
*/
public static void insertionSort(Vector vector, Comparator comparator) {
int max = vector.size();
for (int i = 1; i < max; i++) {
Object value = vector.elementAt(i);
int j = i - 1;
Object valueB;
while (j >= 0 && comparator.compare((valueB = vector.elementAt(j)), value) > 0) {
vector.setElementAt(valueB, j + 1);
j--;
}
vector.setElementAt(value, j + 1);
}
}
}
Version data entries
172 entries across 111 versions & 2 rubygems