Pull Request to create/update 'rebased/brotli-debug' branch

pom.xml

@@ -78,7 +78,7 @@
     <dom4j.version>2.2.0</dom4j.version>
     <flatlaf.version>3.6.2</flatlaf.version>
     <icu4j.version>76.1</icu4j.version>
-    <itext.version>9.4.0</itext.version>
+    <itext.version>9.5.0-SNAPSHOT</itext.version>
     <jackson.version>2.20.1</jackson.version>
     <logback.version>1.5.21</logback.version>
 
@@ -117,6 +117,11 @@
       <artifactId>bouncy-castle-adapter</artifactId>
       <version>${itext.version}</version>
     </dependency>
+    <dependency>
+      <groupId>com.itextpdf</groupId>
+      <artifactId>brotli-compressor</artifactId>
+      <version>${itext.version}</version>
+    </dependency>
     <dependency>
       <groupId>org.dom4j</groupId>
       <artifactId>dom4j</artifactId>

src/main/java/com/itextpdf/rups/RupsConfiguration.java

@@ -42,6 +42,10 @@ This file is part of the iText (R) project.
  */
 package com.itextpdf.rups;
 
+import com.itextpdf.brotlicompressor.BrotliStreamCompressionStrategy;
+import com.itextpdf.kernel.pdf.FlateCompressionStrategy;
+import com.itextpdf.kernel.pdf.IStreamCompressionStrategy;
+import com.itextpdf.kernel.pdf.PdfName;
 import com.itextpdf.rups.conf.LookAndFeelId;
 import com.itextpdf.rups.model.LoggerHelper;
 import com.itextpdf.rups.model.MruListHandler;
@@ -94,6 +98,7 @@ public enum RupsConfiguration {
     private static final String DEFAULT_HOME_VALUE = "home";
     private static final String CLOSE_OPERATION_KEY = "ui.closeoperation";
     private static final String DUPLICATE_OPEN_FILES_KEY = "rups.duplicatefiles";
+    private static final String DEFAULT_FILTER_KEY = "rups.defaultfilter";
     private static final String HOME_FOLDER_KEY = "user.home";
     private static final String LOCALE_KEY = "user.locale";
     private static final String LOOK_AND_FEEL_KEY = "ui.lookandfeel";
@@ -132,6 +137,39 @@ public boolean canOpenDuplicateFiles() {
         return Boolean.parseBoolean(value);
     }
 
+    /**
+     * Returns which default compression filter RUPS should use for streams.
+     *
+     * @return PdfName of the compression filter, or {@code null} if none.
+     */
+    public PdfName getDefaultFilter() {
+        final String value = getValueFromSystemPreferences(DEFAULT_FILTER_KEY);
+        if (PdfName.FlateDecode.getValue().equals(value)) {
+            return PdfName.FlateDecode;
+        }
+        if (PdfName.BrotliDecode.getValue().equals(value)) {
+            return PdfName.BrotliDecode;
+        }
+        return null;
+    }
+
+    /**
+     * Returns which default compression filter strategy RUPS should use for streams.
+     *
+     * @return compression strategy for the default filter or {@code null} if
+     *         no compression required.
+     */
+    public IStreamCompressionStrategy getDefaultFilterStrategy() {
+        final String value = getValueFromSystemPreferences(DEFAULT_FILTER_KEY);
+        if (PdfName.FlateDecode.getValue().equals(value)) {
+            return new FlateCompressionStrategy();
+        }
+        if (PdfName.BrotliDecode.getValue().equals(value)) {
+            return new BrotliStreamCompressionStrategy();
+        }
+        return null;
+    }
+
     /**
      * Returns the closing operation for the RUPS instance. Default it is returning EXIT_ON_CLOSE, but
      * another value could be useful when embedding RUPS or calling it from a Java process.
@@ -218,6 +256,18 @@ public void setOpenDuplicateFiles(boolean value) {
         this.temporaryProperties.setProperty(DUPLICATE_OPEN_FILES_KEY, Boolean.toString(value));
     }
 
+    /**
+     * Sets which default compression filter RUPS should use for streams.
+     *
+     * @param value PdfName of the compression filter, or {@code null} if none.
+     */
+    public void setDefaultFilter(PdfName value) {
+        this.temporaryProperties.setProperty(
+                DEFAULT_FILTER_KEY,
+                value != null ? value.getValue() : "null"
+        );
+    }
+
     /**
      * Sets the default folder to use in JFileChoosers.
      *

src/main/java/com/itextpdf/rups/conf/StreamFilterId.java

@@ -0,0 +1,79 @@
+/*
+    This file is part of the iText (R) project.
+    Copyright (c) 1998-2025 Apryse Group NV
+    Authors: Apryse Software.
+
+    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
+    APRYSE GROUP. APRYSE 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: sales@itextpdf.com
+ */
+package com.itextpdf.rups.conf;
+
+import com.itextpdf.kernel.pdf.PdfName;
+import com.itextpdf.rups.view.Language;
+
+import java.util.Objects;
+
+public class StreamFilterId {
+    private final PdfName value;
+
+    public StreamFilterId(PdfName value) {
+        this.value = value;
+    }
+
+    public PdfName getValue() {
+        return value;
+    }
+
+    @Override
+    public boolean equals(Object o) {
+        if (o == null || getClass() != o.getClass()) {
+            return false;
+        }
+        final StreamFilterId that = (StreamFilterId) o;
+        return Objects.equals(value, that.value);
+    }
+
+    @Override
+    public int hashCode() {
+        return Objects.hashCode(value);
+    }
+
+    @Override
+    public String toString() {
+        return value != null ? value.getValue() : Language.NONE.getString();
+    }
+}

src/main/java/com/itextpdf/rups/controller/PdfReaderController.java

@@ -164,7 +164,7 @@ public PdfReaderController(TreeSelectionListener treeSelectionListener,
         pdfTree = new PdfTree();
 
         pdfTree.addTreeSelectionListener(treeSelectionListener);
-        final PdfTreeContextMenu menu = new PdfTreeContextMenu(pdfTree);
+        final PdfTreeContextMenu menu = new PdfTreeContextMenu(pdfTree, this);
         pdfTree.setComponentPopupMenu(menu);
         pdfTree.addMouseListener(new PdfTreeContextMenuMouseListener(menu, pdfTree));
 
@@ -386,15 +386,20 @@ public int addTreeNodeArrayChild(PdfObjectTreeNode parent, int index) {
 
     public int deleteTreeChild(PdfObjectTreeNode parent, int index) {
         parent.remove(index);
-        ((DefaultTreeModel) pdfTree.getModel()).reload(parent);
+        getTreeModel().reload(parent);
         return index;
     }
 
+    public void deleteAllTreeChildren(PdfObjectTreeNode parent) {
+        parent.removeAllChildren();
+        getTreeModel().reload(parent);
+    }
+
     //Returns index of the added child
     public int addTreeNodeChild(PdfObjectTreeNode parent, PdfObjectTreeNode child, int index) {
         parent.insert(child, index);
         nodes.expandNode(child);
-        ((DefaultTreeModel) pdfTree.getModel()).reload(parent);
+        getTreeModel().reload(parent);
         return index;
     }
 
@@ -477,4 +482,8 @@ private void forAllComponents(Consumer<IRupsEventListener> func) {
         func.accept(objectPanel);
         func.accept(streamPane);
     }
+
+    private DefaultTreeModel getTreeModel() {
+        return (DefaultTreeModel) pdfTree.getModel();
+    }
 }

src/main/java/com/itextpdf/rups/controller/RupsInstanceController.java

@@ -339,7 +339,7 @@ public void valueChanged(TreeSelectionEvent evt) {
          */
         final JPopupMenu menu = tree.getComponentPopupMenu();
         if ((menu instanceof PdfTreeContextMenu) && (selectedNode instanceof IPdfContextMenuTarget)) {
-            ((PdfTreeContextMenu) menu).setEnabledForNode((IPdfContextMenuTarget) selectedNode);
+            ((PdfTreeContextMenu) menu).prepareForNode((IPdfContextMenuTarget) selectedNode);
         }
 
         if (selectedNode instanceof PdfTrailerTreeNode) {

src/main/java/com/itextpdf/rups/io/encoders/ASCII85CompressionStrategy.java

@@ -0,0 +1,67 @@
+/*
+    This file is part of the iText (R) project.
+    Copyright (c) 1998-2025 Apryse Group NV
+    Authors: Apryse Software.
+
+    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
+    APRYSE GROUP. APRYSE 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: sales@itextpdf.com
+ */
+package com.itextpdf.rups.io.encoders;
+
+import com.itextpdf.kernel.pdf.IStreamCompressionStrategy;
+import com.itextpdf.kernel.pdf.PdfName;
+import com.itextpdf.kernel.pdf.PdfObject;
+import com.itextpdf.kernel.pdf.PdfStream;
+
+import java.io.OutputStream;
+
+public class ASCII85CompressionStrategy implements IStreamCompressionStrategy {
+    @Override
+    public PdfName getFilterName() {
+        return PdfName.ASCII85Decode;
+    }
+
+    @Override
+    public PdfObject getDecodeParams() {
+        return null;
+    }
+
+    @Override
+    public OutputStream createNewOutputStream(OutputStream original, PdfStream stream) {
+        return new ASCII85OutputStream(original);
+    }
+}