5c6c727b00
- Added the PDFjet library as a Java Library module to the project and moved all the logic to create the transactions PDF in the TransactionsFragment to use the new PDF lib instead of the old one. - Fixed the time formatter that was being used to format the transaction's times in exported PDF/CSV files, it was printing months in the place of minutes.
235 lines
8 KiB
Java
235 lines
8 KiB
Java
/**
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* Bidi.java
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*
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Copyright (c) 2018, Innovatics Inc.
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All rights reserved.
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Redistribution and use in source and binary forms, with or without modification,
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are permitted provided that the following conditions are met:
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* Redistributions of source code must retain the above copyright notice,
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this list of conditions and the following disclaimer.
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* Redistributions in binary form must reproduce the above copyright notice,
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this list of conditions and the following disclaimer in the documentation
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and / or other materials provided with the distribution.
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THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
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A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
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CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
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EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
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PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
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PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF
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LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING
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NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
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SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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package com.pdfjet;
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import java.util.*;
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/**
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* Provides BIDI processing for Arabic and Hebrew.
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*
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* Please see Example_27.
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*/
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public class Bidi {
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/*
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General,Isolated,End,Middle,Beginning
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*/
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private static char[] forms = new char[] {
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'\u0623','\uFE83','\uFE84','\u0623','\u0623',
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'\u0628','\uFE8F','\uFE90','\uFE92','\uFE91',
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'\u062A','\uFE95','\uFE96','\uFE98','\uFE97',
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'\u062B','\uFE99','\uFE9A','\uFE9C','\uFE9B',
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'\u062C','\uFE9D','\uFE9E','\uFEA0','\uFE9F',
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'\u062D','\uFEA1','\uFEA2','\uFEA4','\uFEA3',
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'\u062E','\uFEA5','\uFEA6','\uFEA8','\uFEA7',
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'\u062F','\uFEA9','\uFEAA','\u062F','\u062F',
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'\u0630','\uFEAB','\uFEAC','\u0630','\u0630',
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'\u0631','\uFEAD','\uFEAE','\u0631','\u0631',
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'\u0632','\uFEAF','\uFEB0','\u0632','\u0632',
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'\u0633','\uFEB1','\uFEB2','\uFEB4','\uFEB3',
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'\u0634','\uFEB5','\uFEB6','\uFEB8','\uFEB7',
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'\u0635','\uFEB9','\uFEBA','\uFEBC','\uFEBB',
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'\u0636','\uFEBD','\uFEBE','\uFEC0','\uFEBF',
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'\u0637','\uFEC1','\uFEC2','\uFEC4','\uFEC3',
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'\u0638','\uFEC5','\uFEC6','\uFEC8','\uFEC7',
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'\u0639','\uFEC9','\uFECA','\uFECC','\uFECB',
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'\u063A','\uFECD','\uFECE','\uFED0','\uFECF',
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'\u0641','\uFED1','\uFED2','\uFED4','\uFED3',
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'\u0642','\uFED5','\uFED6','\uFED8','\uFED7',
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'\u0643','\uFED9','\uFEDA','\uFEDC','\uFEDB',
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'\u0644','\uFEDD','\uFEDE','\uFEE0','\uFEDF',
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'\u0645','\uFEE1','\uFEE2','\uFEE4','\uFEE3',
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'\u0646','\uFEE5','\uFEE6','\uFEE8','\uFEE7',
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'\u0647','\uFEE9','\uFEEA','\uFEEC','\uFEEB',
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'\u0648','\uFEED','\uFEEE','\u0648','\u0648',
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'\u064A','\uFEF1','\uFEF2','\uFEF4','\uFEF3',
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'\u0622','\uFE81','\uFE82','\u0622','\u0622',
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'\u0629','\uFE93','\uFE94','\u0629','\u0629',
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'\u0649','\uFEEF','\uFEF0','\u0649','\u0649',
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};
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private static boolean isArabicLetter(char ch) {
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for (int i = 0; i < forms.length; i += 5) {
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if (ch == forms[i]) {
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return true;
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}
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}
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return false;
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}
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/**
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* Reorders the string so that Arabic and Hebrew text flows from right
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* to left while numbers and Latin text flows from left to right.
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*
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* @param str the input string.
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* @return the reordered string.
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*/
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public static String reorderVisually(String str) {
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StringBuilder buf1 = new StringBuilder();
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StringBuilder buf2 = new StringBuilder();
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boolean right_to_left = true;
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for (int i = 0; i < str.length(); i++) {
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char ch = str.charAt(i);
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if (ch == '\u200E') {
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// LRM U+200E LEFT-TO-RIGHT MARK Left-to-right zero-width character
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right_to_left = false;
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continue;
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}
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if (ch == '\u200F' || ch == '\u061C') {
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// RLM U+200F RIGHT-TO-LEFT MARK Right-to-left zero-width non-Arabic character
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// ALM U+061C ARABIC LETTER MARK Right-to-left zero-width Arabic character
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right_to_left = true;
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continue;
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}
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if (isArabic(ch) ||
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isHebrew(ch) ||
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ch == '«' || ch == '»' ||
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ch == '(' || ch == ')' ||
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ch == '[' || ch == ']') {
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right_to_left = true;
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if (buf2.length() > 0) {
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buf1.append(process(buf2));
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buf2.setLength(0);
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}
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if (ch == '«') {
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buf1.append('»');
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}
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else if (ch == '»') {
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buf1.append('«');
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}
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else if (ch == '(') {
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buf1.append(')');
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}
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else if (ch == ')') {
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buf1.append('(');
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}
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else if (ch == '[') {
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buf1.append(']');
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}
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else if (ch == ']') {
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buf1.append('[');
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}
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else {
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buf1.append(ch);
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}
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}
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else if (isAlphaNumeric(ch)) {
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right_to_left = false;
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buf2.append(ch);
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}
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else {
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if (right_to_left) {
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buf1.append(ch);
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}
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else {
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buf2.append(ch);
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}
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}
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}
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if (buf2.length() > 0) {
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buf1.append(process(buf2));
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}
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StringBuilder buf3 = new StringBuilder();
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for (int i = (buf1.length() - 1); i >= 0; i--) {
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char ch = buf1.charAt(i);
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if (isArabicLetter(ch)) {
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char prev_ch = (i > 0) ? buf1.charAt(i - 1) : '\u0000';
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char next_ch = (i < (buf1.length() - 1)) ? buf1.charAt(i + 1) : '\u0000';
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for (int j = 0; j < forms.length; j += 5) {
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if (ch == forms[j]) {
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if (!isArabicLetter(prev_ch) && !isArabicLetter(next_ch)) {
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buf3.append(forms[j + 1]); // Isolated
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}
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else if (isArabicLetter(prev_ch) && !isArabicLetter(next_ch)) {
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buf3.append(forms[j + 2]); // End
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}
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else if (isArabicLetter(prev_ch) && isArabicLetter(next_ch)) {
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buf3.append(forms[j + 3]); // Middle
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}
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else if (!isArabicLetter(prev_ch) && isArabicLetter(next_ch)) {
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buf3.append(forms[j + 4]); // Beginning
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}
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}
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}
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}
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else {
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buf3.append(ch);
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}
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}
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return buf3.toString();
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}
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public static boolean isArabic(char ch) {
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return (ch >= 0x600 && ch <= 0x6FF);
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}
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private static boolean isHebrew(char ch) {
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return (ch >= 0x0591 && ch <= 0x05F4);
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}
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private static boolean isAlphaNumeric(char ch) {
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if (ch >= '0' && ch <= '9') {
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return true;
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}
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if (ch >= 'a' && ch <= 'z') {
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return true;
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}
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if (ch >= 'A' && ch <= 'Z') {
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return true;
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}
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return false;
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}
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private static StringBuilder process(StringBuilder buf) {
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StringBuilder buf1 = buf.reverse();
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StringBuilder buf2 = new StringBuilder();
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StringBuilder buf3 = new StringBuilder();
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for (int i = 0; i < buf1.length(); i++) {
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char ch = buf1.charAt(i);
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if (ch == ' ' || ch == ',' || ch == '.' || ch == '-') {
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buf2.append(ch);
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continue;
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}
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buf3.append(buf1.substring(i));
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buf3.append(buf2.reverse());
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break;
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}
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return buf3;
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}
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}
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