Twidere-App-Android-Twitter.../twidere/src/main/java/org/mariotaku/twidere/util/TwidereArrayUtils.java

120 lines
4.1 KiB
Java

/*
* Twidere - Twitter client for Android
*
* Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package org.mariotaku.twidere.util;
import android.support.annotation.NonNull;
import org.apache.commons.lang3.ArrayUtils;
import java.lang.reflect.Array;
public final class TwidereArrayUtils {
private TwidereArrayUtils() {
throw new AssertionError("You are trying to create an instance for this utility class!");
}
public static boolean contains(final Object[] array, final Object[] values) {
if (array == null || values == null) return false;
for (final Object value : values) {
if (!ArrayUtils.contains(array, value)) return false;
}
return true;
}
public static boolean contentMatch(final Object[] array1, final Object[] array2) {
if (array1 == null || array2 == null) return array1 == array2;
if (array1.length != array2.length) return false;
for (Object item : array1) {
if (!ArrayUtils.contains(array2, item)) return false;
}
return true;
}
public static int arraysLength(@NonNull final Object... arrays) {
int length = 0;
for (Object array : arrays) {
if (array == null) continue;
length += Array.getLength(array);
}
return length;
}
public static void mergeArray(final Object dest, @NonNull final Object... arrays) {
for (int i = 0, j = arrays.length, k = 0; i < j; i++) {
final Object array = arrays[i];
if (array == null) continue;
final int length = Array.getLength(array);
//noinspection SuspiciousSystemArraycopy
System.arraycopy(array, 0, dest, k, length);
k += length;
}
}
public static String toString(final long[] array, final char token, final boolean include_space) {
final StringBuilder builder = new StringBuilder();
final int length = array.length;
for (int i = 0; i < length; i++) {
final String idString = String.valueOf(array[i]);
if (i > 0) {
builder.append(include_space ? token + " " : token);
}
builder.append(idString);
}
return builder.toString();
}
public static String toString(final Object[] array, final char token, final boolean include_space) {
final StringBuilder builder = new StringBuilder();
final int length = array.length;
for (int i = 0; i < length; i++) {
final String id_string = String.valueOf(array[i]);
if (id_string != null) {
if (i > 0) {
builder.append(include_space ? token + " " : token);
}
builder.append(id_string);
}
}
return builder.toString();
}
public static String[] toStringArray(final Object array, int start, int end) {
if (array == null) return null;
final String[] stringArray = new String[end - start];
for (int i = start; i < end; i++) {
stringArray[i - start] = ParseUtils.parseString(Array.get(array, i));
}
return stringArray;
}
public static String[] toStringArray(final Object array) {
return toStringArray(array, 0, Array.getLength(array));
}
public static void offset(long[] array, long offset) {
for (int i = 0; i < array.length; i++) {
array[i] += offset;
}
}
}