Use unicode-characters in strings encoded to make sure they work correctly with odd encodings

Adjust java code in order to fix some autoporting issues.

DEVSIX-5706

Author: yulian-gaponenko

commons/src/main/java/com/itextpdf/commons/actions/processors/DefaultITextProductEventProcessor.java

@@ -61,6 +61,6 @@ public String getUsageType() {
 
     @Override
     public String getProducer() {
-        return "iText® ${usedProducts:P V (T 'version')} ©${copyrightSince}-${copyrightTo} iText Group NV";
+        return "iText\u00ae ${usedProducts:P V (T 'version')} \u00a9${copyrightSince}-${copyrightTo} iText Group NV";
     }
 }

commons/src/main/java/com/itextpdf/commons/exceptions/ITextException.java

@@ -33,7 +33,7 @@ public class ITextException extends RuntimeException {
      * Creates a new ITextException with no error message and cause.
      */
     public ITextException() {
-        super();
+        super(CommonsExceptionMessageConstant.UNKNOWN_ITEXT_EXCEPTION);
     }
 
     /**

commons/src/main/java/com/itextpdf/commons/utils/Base64.java

@@ -1,46 +1,3 @@
-/*
-
-    This file is part of the iText (R) project.
-    Copyright (c) 1998-2021 iText Group NV
-    Authors: Bruno Lowagie, Paulo Soares, et al.
-
-    This program is free software; you can redistribute it and/or modify
-    it under the terms of the GNU Affero General Public License version 3
-    as published by the Free Software Foundation with the addition of the
-    following permission added to Section 15 as permitted in Section 7(a):
-    FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
-    ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
-    OF THIRD PARTY RIGHTS
-
-    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 Affero General Public License for more details.
-    You should have received a copy of the GNU Affero General Public License
-    along with this program; if not, see http://www.gnu.org/licenses or write to
-    the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
-    Boston, MA, 02110-1301 USA, or download the license from the following URL:
-    http://itextpdf.com/terms-of-use/
-
-    The interactive user interfaces in modified source and object code versions
-    of this program must display Appropriate Legal Notices, as required under
-    Section 5 of the GNU Affero General Public License.
-
-    In accordance with Section 7(b) of the GNU Affero General Public License,
-    a covered work must retain the producer line in every PDF that is created
-    or manipulated using iText.
-
-    You can be released from the requirements of the license by purchasing
-    a commercial license. Buying such a license is mandatory as soon as you
-    develop commercial activities involving the iText software without
-    disclosing the source code of your own applications.
-    These activities include: offering paid services to customers as an ASP,
-    serving PDFs on the fly in a web application, shipping iText with a closed
-    source product.
-
-    For more information, please contact iText Software Corp. at this
-    address: [email protected]
- */
 package com.itextpdf.commons.utils;
 
 /**

commons/src/test/java/com/itextpdf/commons/actions/AbstractITextConfigurationEventTest.java

@@ -52,7 +52,7 @@ public void addProcessorTest() {
 
         Map<String, ITextProductEventProcessor> processors = ProductEventHandler.INSTANCE.getProcessors();
         Assert.assertEquals(1, processors.size());
-        Assert.assertTrue(processors.containsValue(processor));
+        Assert.assertTrue(processors.values().contains(processor));
     }
 
     @Test

commons/src/test/java/com/itextpdf/commons/actions/producer/ProducerBuilderTest.java

@@ -57,15 +57,15 @@ public void emptyEventsProducerLineTest() {
         junitExpectedException.expect(IllegalArgumentException.class);
         junitExpectedException.expectMessage(CommonsExceptionMessageConstant.NO_EVENTS_WERE_REGISTERED_FOR_THE_DOCUMENT);
 
-        ProducerBuilder.modifyProducer(Collections.emptyList(), null);
+        ProducerBuilder.modifyProducer(Collections.<AbstractProductProcessITextEvent>emptyList(), null);
     }
 
     @Test
     public void nullEventsProducerLineTest() {
         junitExpectedException.expect(IllegalArgumentException.class);
         junitExpectedException.expectMessage(CommonsExceptionMessageConstant.NO_EVENTS_WERE_REGISTERED_FOR_THE_DOCUMENT);
 
-        ProducerBuilder.modifyProducer(null, null);
+        ProducerBuilder.modifyProducer((List<AbstractProductProcessITextEvent>)null, null);
     }
 
     @Test

commons/src/test/java/com/itextpdf/commons/exceptions/ITextExceptionTest.java

@@ -35,7 +35,7 @@ public void noParametersConstructorTest() {
         Exception exception = Assert.assertThrows(ITextException.class, () -> {
             throw new ITextException();
         });
-        Assert.assertNull(exception.getMessage());
+        Assert.assertEquals(CommonsExceptionMessageConstant.UNKNOWN_ITEXT_EXCEPTION, exception.getMessage());
     }
 
     @Test

kernel/src/main/java/com/itextpdf/kernel/actions/events/FlushPdfDocumentEvent.java

@@ -76,7 +76,7 @@ protected void doAction() {
             return;
         }
 
-        final Set<String> products = new HashSet<>(events.size());
+        final Set<String> products = new HashSet<>();
         for (final AbstractProductProcessITextEvent event : events) {
             if (event.getConfirmationType() == EventConfirmationType.ON_CLOSE) {
                 EventManager.getInstance().onEvent(new ConfirmEvent(pdfDocument.getDocumentIdWrapper(), event));