I have done enough for tonight

src/eu/steffo/cleaver/gui/panels/ChopPanel.java

@@ -4,11 +4,9 @@ import eu.steffo.cleaver.gui.panels.rows.CreateJobButtonRow;
 import eu.steffo.cleaver.gui.panels.rows.option.CompressRow;
 import eu.steffo.cleaver.gui.panels.rows.option.CryptRow;
 import eu.steffo.cleaver.gui.panels.rows.option.SplitRow;
+import eu.steffo.cleaver.logic.config.*;
 import eu.steffo.cleaver.logic.job.ChopJob;
 import eu.steffo.cleaver.logic.job.Job;
-import eu.steffo.cleaver.logic.config.CompressConfig;
-import eu.steffo.cleaver.logic.config.CryptConfig;
-import eu.steffo.cleaver.logic.config.SplitConfig;
 
 import javax.swing.*;
 import java.awt.event.ActionListener;
@@ -85,7 +83,7 @@ public class ChopPanel extends CreateJobPanel {
         }
         for(File file : fileSelectPanel.getSelectedFiles()) {
 
-            SplitConfig sc;
+            ISplitConfig sc;
             try {
                 sc = splitRow.getSplitConfig(file.length());
             } catch (NumberFormatException exc) {
@@ -93,9 +91,9 @@ public class ChopPanel extends CreateJobPanel {
                 return;
             }
 
-            CryptConfig cc = cryptRow.getCryptConfig();
+            ICryptConfig cc = cryptRow.getCryptConfig();
 
-            CompressConfig zc = compressRow.getCompressConfig();
+            ICompressConfig zc = compressRow.getCompressConfig();
 
             Job job = new ChopJob(file, sc, cc, zc, onProgressChange);
             jobs.add(job);

src/eu/steffo/cleaver/gui/panels/JobsTablePanel.java

@@ -1,9 +1,7 @@
 package eu.steffo.cleaver.gui.panels;
 
+import eu.steffo.cleaver.logic.config.*;
 import eu.steffo.cleaver.logic.job.Job;
-import eu.steffo.cleaver.logic.config.CompressConfig;
-import eu.steffo.cleaver.logic.config.CryptConfig;
-import eu.steffo.cleaver.logic.config.SplitConfig;
 
 import javax.swing.*;
 import javax.swing.table.AbstractTableModel;
@@ -82,15 +80,15 @@ public class JobsTablePanel extends JPanel {
                 case 1:
                     return job.getFile().getAbsolutePath();
                 case 2:
-                    SplitConfig s = job.getSplitConfig();
+                    ISplitConfig s = job.getSplitConfig();
                     if(s == null) return "";
                     return s.toString();
                 case 3:
-                    CryptConfig k = job.getCryptConfig();
+                    ICryptConfig k = job.getCryptConfig();
                     if(k == null) return "";
                     return k.toString();
                 case 4:
-                    CompressConfig c = job.getCompressConfig();
+                    ICompressConfig c = job.getCompressConfig();
                     if(c == null) return "";
                     return c.toString();
                 case 5:

src/eu/steffo/cleaver/gui/panels/rows/option/CompressRow.java

@@ -1,11 +1,12 @@
 package eu.steffo.cleaver.gui.panels.rows.option;
 
-import eu.steffo.cleaver.logic.config.CompressConfig;
+import eu.steffo.cleaver.logic.config.DeflateConfig;
+import eu.steffo.cleaver.logic.config.ICompressConfig;
 
 import javax.swing.*;
 
 /**
- * A {@link OptionRow} allowing the {@link CompressConfig configuration of the compress step} of the file chop process.
+ * A {@link OptionRow} allowing the {@link DeflateConfig configuration of the compress step} of the file chop process.
  *
  * @see eu.steffo.cleaver.gui.panels.ChopPanel
  */
@@ -32,17 +33,17 @@ public class CompressRow extends OptionRow {
     }
 
     /**
-     * Create a {@link CompressConfig} from the settings in this {@link OptionRow}.
-     * @return The resulting {@link CompressConfig}, or {@literal null} if the {@link #compressionCheckBox} is unticked.
+     * Create a {@link DeflateConfig} from the settings in this {@link OptionRow}.
+     * @return The resulting {@link DeflateConfig}, or {@literal null} if the {@link #compressionCheckBox} is unticked.
      */
-    public CompressConfig getCompressConfig() {
+    public ICompressConfig getCompressConfig() {
         if(!compressionCheckBox.isSelected()) {
             return null;
         }
-        return new CompressConfig();
+        return new DeflateConfig();
     }
 
-    public void setCompressConfig(CompressConfig cfg) {
+    public void setCompressConfig(DeflateConfig cfg) {
         if(cfg == null) {
             compressionCheckBox.setSelected(false);
         }

src/eu/steffo/cleaver/gui/panels/rows/option/CryptRow.java

@@ -1,11 +1,12 @@
 package eu.steffo.cleaver.gui.panels.rows.option;
 
-import eu.steffo.cleaver.logic.config.CryptConfig;
+import eu.steffo.cleaver.logic.config.PasswordConfig;
+import eu.steffo.cleaver.logic.config.ICryptConfig;
 
 import javax.swing.*;
 
 /**
- * A {@link OptionRow} allowing the {@link CryptConfig configuration of the crypt step} of the file chop process.
+ * A {@link OptionRow} allowing the {@link PasswordConfig configuration of the crypt step} of the file chop process.
  *
  * @see eu.steffo.cleaver.gui.panels.ChopPanel
  */
@@ -65,14 +66,14 @@ public class CryptRow extends OptionRow {
     }
 
     /**
-     * Create a {@link CryptConfig} from the settings in this {@link OptionRow}.
-     * @return The resulting {@link CryptConfig}, or {@literal null} if the {@link #cryptCheckBox} is unticked.
+     * Create a {@link PasswordConfig} from the settings in this {@link OptionRow}.
+     * @return The resulting {@link PasswordConfig}, or {@literal null} if the {@link #cryptCheckBox} is unticked.
      */
-    public CryptConfig getCryptConfig() {
+    public ICryptConfig getCryptConfig() {
         if(!cryptCheckBox.isSelected()) {
             return null;
         }
-        return new CryptConfig(keyTextField.getText());
+        return new PasswordConfig(keyTextField.getText());
     }
 
     @Override

src/eu/steffo/cleaver/gui/panels/rows/option/KeyRow.java

@@ -1,11 +1,11 @@
 package eu.steffo.cleaver.gui.panels.rows.option;
 
-import eu.steffo.cleaver.logic.config.CryptConfig;
+import eu.steffo.cleaver.logic.config.PasswordConfig;
 
 import javax.swing.*;
 
 /**
- * A {@link OptionRow} allowing the {@link CryptConfig configuration of the crypt step} of the file stitch process.
+ * A {@link OptionRow} allowing the {@link PasswordConfig configuration of the crypt step} of the file stitch process.
  *
  * This configuration is used only if the selected *.chp file specifies that the *.cXX are encrypted.
  *

src/eu/steffo/cleaver/gui/panels/rows/option/SplitRow.java

@@ -1,15 +1,16 @@
 package eu.steffo.cleaver.gui.panels.rows.option;
 
-import eu.steffo.cleaver.logic.config.SplitByPartsConfig;
-import eu.steffo.cleaver.logic.config.SplitBySizeConfig;
-import eu.steffo.cleaver.logic.config.SplitConfig;
+import eu.steffo.cleaver.logic.config.PartsConfig;
+import eu.steffo.cleaver.logic.config.ISplitConfig;
+import eu.steffo.cleaver.logic.config.SizeConfig;
+import eu.steffo.cleaver.logic.config.IConfig;
 
 import javax.swing.*;
 import javax.swing.event.DocumentEvent;
 import javax.swing.event.DocumentListener;
 
 /**
- * A {@link OptionRow} allowing the {@link SplitConfig configuration of the split step} of the file chop process.
+ * A {@link OptionRow} allowing the {@link IConfig configuration of the split step} of the file chop process.
  *
  * @see eu.steffo.cleaver.gui.panels.ChopPanel
  */
@@ -149,19 +150,19 @@ public class SplitRow extends OptionRow {
     }
 
     /**
-     * Create a {@link SplitConfig} from the settings in this {@link OptionRow}.
-     * @param fileSize The size of the file that the {@link SplitConfig} is being generated for.
-     * @return The resulting {@link SplitConfig}, or {@literal null} if the {@link #splitCheckBox} is unticked.
+     * Create a {@link IConfig} from the settings in this {@link OptionRow}.
+     * @param fileSize The size of the file that the {@link IConfig} is being generated for.
+     * @return The resulting {@link IConfig}, or {@literal null} if the {@link #splitCheckBox} is unticked.
      */
-    public SplitConfig getSplitConfig(long fileSize) throws NumberFormatException {
+    public ISplitConfig getSplitConfig(long fileSize) throws NumberFormatException {
         if(!splitCheckBox.isSelected()) {
             return null;
         }
         else if(!sizeTextField.getText().equals("")) {
-            return new SplitBySizeConfig(Integer.parseInt(sizeTextField.getText()), fileSize);
+            return new SizeConfig(Long.parseLong(sizeTextField.getText()));
         }
         else if(!partsTextField.getText().equals("")) {
-            return new SplitByPartsConfig(Integer.parseInt(partsTextField.getText()), fileSize);
+            return new PartsConfig(Integer.parseInt(partsTextField.getText()));
         }
         else return null;
     }

src/eu/steffo/cleaver/logic/config/CompressConfig.java

@@ -1,13 +0,0 @@
-package eu.steffo.cleaver.logic.config;
-
-import eu.steffo.cleaver.logic.job.Job;
-
-/**
- * A class containing the configuration for the compression step of a {@link Job Job}.
- */
-public class CompressConfig {
-    @Override
-    public String toString() {
-        return "Yes (Deflate)";
-    }
-}

src/eu/steffo/cleaver/logic/config/DeflateConfig.java

@@ -0,0 +1,11 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for compressing a file with the <a href="https://en.wikipedia.org/wiki/DEFLATE">Deflate</a> algorithm.
+ */
+public class DeflateConfig implements ICompressConfig {
+    @Override
+    public String toString() {
+        return "Yes (Deflate)";
+    }
+}

src/eu/steffo/cleaver/logic/config/ICompressConfig.java

@@ -0,0 +1,7 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for the Compress step of the {@link eu.steffo.cleaver.logic.job.ChopJob Chop}/{@link eu.steffo.cleaver.logic.job.StitchJob Stitch} process.
+ */
+public interface ICompressConfig extends IConfig {
+}

src/eu/steffo/cleaver/logic/config/IConfig.java

@@ -0,0 +1,14 @@
+package eu.steffo.cleaver.logic.config;
+
+import eu.steffo.cleaver.logic.job.Job;
+
+/**
+ * An interface for the configuration of a step of a {@link Job Job}.
+ */
+public interface IConfig {
+    /**
+     * @return The string representation of the {@link IConfig}, to be used in the jobs table.
+     * @see eu.steffo.cleaver.gui.panels.JobsTablePanel
+     */
+    String toString();
+}

src/eu/steffo/cleaver/logic/config/ICryptConfig.java

@@ -0,0 +1,7 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for the Crypt step of the {@link eu.steffo.cleaver.logic.job.ChopJob Chop}/{@link eu.steffo.cleaver.logic.job.StitchJob Stitch} process.
+ */
+public interface ICryptConfig extends IConfig {
+}

src/eu/steffo/cleaver/logic/config/ISplitConfig.java

@@ -0,0 +1,7 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for the Split step of the {@link eu.steffo.cleaver.logic.job.ChopJob Chop}/{@link eu.steffo.cleaver.logic.job.StitchJob Stitch} process.
+ */
+public interface ISplitConfig extends IConfig {
+}

src/eu/steffo/cleaver/logic/config/MergeConfig.java

@@ -1,53 +0,0 @@
-package eu.steffo.cleaver.logic.config;
-
-/**
- * A {@link SplitConfig} created by reading a *.chp file, containing the number of parts and their size, but not the resulting file size.
- */
-public class MergeConfig extends SplitConfig {
-    /**
-     * The size of the parts the file was split in.
-     */
-    private long partSize;
-
-    /**
-     * The number of parts the file was split in.
-     */
-    private int parts;
-
-    /**
-     * The total size of the original file.
-     */
-    private long totalSize;
-
-    /**
-     * Construct a new MergeConfig.
-     * @param partSize The size of the parts the file was split in.
-     * @param parts The number of parts the file was split in.
-     * @param totalSize The total size of the original file.
-     */
-    public MergeConfig(long partSize, int parts, long totalSize) {
-        this.partSize = partSize;
-        this.parts = parts;
-        this.totalSize = totalSize;
-    }
-
-    @Override
-    public long getPartSize() {
-        return partSize;
-    }
-
-    @Override
-    public int getPartCount() {
-        return parts;
-    }
-
-    @Override
-    public long getTotalSize() {
-        return totalSize;
-    }
-
-    @Override
-    public String toString() {
-        return String.format("%d parts (%d bytes)", parts, partSize);
-    }
-}

src/eu/steffo/cleaver/logic/config/PartsConfig.java

@@ -0,0 +1,28 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for splitting a file in a specific number of parts.
+ */
+public class PartsConfig implements ISplitConfig {
+    /**
+     * The number of parts the file should be split in.
+     */
+    private int parts;
+
+    /**
+     * Construct a new SplitByPartsConfig.
+     * @param parts The number of parts the file should be split in.
+     */
+    public PartsConfig(int parts) {
+        this.parts = parts;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%d parts", this.parts);
+    }
+
+    public int getPartCount() {
+        return parts;
+    }
+}

src/eu/steffo/cleaver/logic/config/PasswordConfig.java

@@ -1,18 +1,16 @@
 package eu.steffo.cleaver.logic.config;
 
-import eu.steffo.cleaver.logic.job.Job;
-
 /**
- * A class containing the configuration for the encryption/decryption step of a {@link Job Job}.
+ * A config for encrypting a file with an arbitrary length password.
  */
-public class CryptConfig {
+public class PasswordConfig implements ICryptConfig {
     protected final String key;
 
     /**
      * Construct a new CryptConfig with a specific encryption key.
      * @param key The encryption key.
      */
-    public CryptConfig(String key) {
+    public PasswordConfig(String key) {
         this.key = key;
     }
 

src/eu/steffo/cleaver/logic/config/SizeConfig.java

@@ -0,0 +1,28 @@
+package eu.steffo.cleaver.logic.config;
+
+/**
+ * A {@link IConfig} for splitting a file in parts of a specific part size.
+ */
+public class SizeConfig implements ISplitConfig {
+    /**
+     * The size of the parts to split the file in.
+     */
+    private long partSize;
+
+    /**
+     * Construct a new SplitBySizeConfig.
+     * @param partSize The size of the parts to split the file in.
+     */
+    public SizeConfig(long partSize) {
+        this.partSize = partSize;
+    }
+
+    @Override
+    public String toString() {
+        return String.format("%d bytes", this.partSize);
+    }
+
+    public long getPartSize() {
+        return partSize;
+    }
+}

src/eu/steffo/cleaver/logic/config/SplitByPartsConfig.java

@@ -1,43 +0,0 @@
-package eu.steffo.cleaver.logic.config;
-
-public class SplitByPartsConfig extends SplitConfig {
-    /**
-     * The number of parts the file should be split in.
-     */
-    private int parts;
-
-    /**
-     * The total size of the file to split.
-     */
-    private long totalSize;
-
-    /**
-     * Construct a new SplitByPartsConfig.
-     * @param parts The number of parts the file should be split in.
-     * @param totalSize The total size of the file to split.
-     */
-    public SplitByPartsConfig(int parts, long totalSize) {
-        this.parts = parts;
-        this.totalSize = totalSize;
-    }
-
-    @Override
-    public String toString() {
-        return String.format("%d parts", this.parts);
-    }
-
-    @Override
-    public long getPartSize() {
-        return (int)Math.ceil((double) totalSize / (double)parts);
-    }
-
-    @Override
-    public int getPartCount() {
-        return parts;
-    }
-
-    @Override
-    public long getTotalSize() {
-        return totalSize;
-    }
-}

src/eu/steffo/cleaver/logic/config/SplitBySizeConfig.java

@@ -1,46 +0,0 @@
-package eu.steffo.cleaver.logic.config;
-
-/**
- * A {@link SplitConfig} for splitting a file in parts of a specific part size.
- */
-public class SplitBySizeConfig extends SplitConfig {
-    /**
-     * The size of the parts to split the file in.
-     */
-    private long partSize;
-
-    /**
-     * The total size of the file to split.
-     */
-    private long totalSize;
-
-    /**
-     * Construct a new SplitBySizeConfig.
-     * @param partSize The size of the parts to split the file in.
-     * @param totalSize The total size of the file to split.
-     */
-    public SplitBySizeConfig(long partSize, long totalSize) {
-        this.partSize = partSize;
-        this.totalSize = totalSize;
-    }
-
-    @Override
-    public String toString() {
-        return String.format("%d bytes", this.partSize);
-    }
-
-    @Override
-    public long getPartSize() {
-        return partSize;
-    }
-
-    @Override
-    public int getPartCount() {
-        return (int)Math.ceil((double) totalSize / (double)partSize);
-    }
-
-    @Override
-    public long getTotalSize() {
-        return totalSize;
-    }
-}

src/eu/steffo/cleaver/logic/config/SplitConfig.java

@@ -1,29 +0,0 @@
-package eu.steffo.cleaver.logic.config;
-
-import eu.steffo.cleaver.logic.job.Job;
-
-/**
- * A class containing the configuration for the split/merge step of a {@link Job Job}.
- */
-public abstract class SplitConfig {
-    /**
-     * @return The size in bytes of a single part of the file.
-     */
-    public abstract long getPartSize();
-
-    /**
-     * @return The number of parts the file should be split in.
-     */
-    public abstract int getPartCount();
-
-    /**
-     * @return The total size of the original file.
-     */
-    public abstract long getTotalSize();
-
-    /**
-     * @return The string representation of the {@link SplitConfig}, to be used in the jobs table.
-     * @see eu.steffo.cleaver.gui.panels.JobsTablePanel
-     */
-    public abstract String toString();
-}

src/eu/steffo/cleaver/logic/job/ChopJob.java

@@ -1,15 +1,12 @@
 package eu.steffo.cleaver.logic.job;
 
 import eu.steffo.cleaver.errors.ProgrammingError;
-import eu.steffo.cleaver.logic.config.CompressConfig;
-import eu.steffo.cleaver.logic.config.CryptConfig;
-import eu.steffo.cleaver.logic.stream.output.CleaverCryptOutputStream;
+import eu.steffo.cleaver.logic.config.*;
+import eu.steffo.cleaver.logic.stream.output.*;
 import eu.steffo.cleaver.logic.progress.ErrorProgress;
 import eu.steffo.cleaver.logic.progress.FinishedProgress;
 import eu.steffo.cleaver.logic.progress.Progress;
 import eu.steffo.cleaver.logic.progress.WorkingProgress;
-import eu.steffo.cleaver.logic.config.SplitConfig;
-import eu.steffo.cleaver.logic.stream.output.CleaverSplitFileOutputStream;
 import org.w3c.dom.Document;
 import org.w3c.dom.Element;
 
@@ -21,7 +18,6 @@ import javax.xml.transform.TransformerFactory;
 import javax.xml.transform.dom.DOMSource;
 import javax.xml.transform.stream.StreamResult;
 import java.io.*;
-import java.util.zip.DeflaterOutputStream;
 
 /**
  * A {@link Job} that converts regular files into <i>chopped</i> (*.chp + *.cXX) files.
@@ -29,20 +25,20 @@ import java.util.zip.DeflaterOutputStream;
 public class ChopJob extends Job {
 
     private final File file;
-    private final SplitConfig splitConfig;
-    private final CryptConfig cryptConfig;
-    private final CompressConfig compressConfig;
+    private final ISplitConfig splitConfig;
+    private final ICryptConfig cryptConfig;
+    private final ICompressConfig compressConfig;
 
     /**
      * Create a new ChopJob (with progress updates support).
      * @param file The file to be chopped.
-     * @param splitConfig The configuration for the split step.
-     * @param cryptConfig The configuration for the crypt step.
-     * @param compressConfig The configuration for the compress step.
+     * @param splitConfig The configuration for the Split step.
+     * @param cryptConfig The configuration for the Crypt step.
+     * @param compressConfig The configuration for the Compress step.
      * @param onProgressChange A {@link Runnable} that should be invoked when {@link #setProgress(Progress)} is called.
      * @see Job#Job(Runnable)
      */
-    public ChopJob(File file, SplitConfig splitConfig, CryptConfig cryptConfig, CompressConfig compressConfig, Runnable onProgressChange) {
+    public ChopJob(File file, ISplitConfig splitConfig, ICryptConfig cryptConfig, ICompressConfig compressConfig, Runnable onProgressChange) {
         super(onProgressChange);
         this.file = file;
         this.splitConfig = splitConfig;
@@ -53,13 +49,13 @@ public class ChopJob extends Job {
     /**
      * Create a new ChopJob (without progress updates support).
      * @param file The file to be chopped.
-     * @param splitConfig The configuration for the split step.
-     * @param cryptConfig The configuration for the crypt step.
-     * @param compressConfig The configuration for the compress step.
-     * @see ChopJob#ChopJob(File, SplitConfig, CryptConfig, CompressConfig, Runnable)
+     * @param splitConfig The configuration for the Split step.
+     * @param cryptConfig The configuration for the Crypt step.
+     * @param compressConfig The configuration for the Compress step.
+     * @see ChopJob#ChopJob(File, ISplitConfig, ICryptConfig, ICompressConfig, Runnable)
      * @see Job#Job()
      */
-    public ChopJob(File file, SplitConfig splitConfig, CryptConfig cryptConfig, CompressConfig compressConfig) {
+    public ChopJob(File file, ISplitConfig splitConfig, ICryptConfig cryptConfig, ICompressConfig compressConfig) {
         this(file, splitConfig, cryptConfig, compressConfig, null);
     }
 
@@ -74,17 +70,17 @@ public class ChopJob extends Job {
     }
 
     @Override
-    public SplitConfig getSplitConfig() {
+    public ISplitConfig getSplitConfig() {
         return splitConfig;
     }
 
     @Override
-    public CryptConfig getCryptConfig() {
+    public ICryptConfig getCryptConfig() {
         return cryptConfig;
     }
 
     @Override
-    public CompressConfig getCompressConfig() {
+    public ICompressConfig getCompressConfig() {
         return compressConfig;
     }
 
@@ -94,19 +90,22 @@ public class ChopJob extends Job {
             InputStream inputStream = new FileInputStream(file);
             OutputStream outputStream;
 
-            if(splitConfig != null) {
-                outputStream = new CleaverSplitFileOutputStream(file.getAbsolutePath(), splitConfig.getPartSize());
+            if(splitConfig instanceof SizeConfig) {
+                outputStream = new CleaverSplitFileOutputStream(file.getAbsolutePath(), ((SizeConfig)splitConfig).getPartSize());
+            }
+            else if(splitConfig instanceof PartsConfig) {
+                outputStream = new CleaverForkFileOutputStream(file.getAbsolutePath(), ((PartsConfig)splitConfig).getPartCount());
             }
             else {
-                outputStream = new FileOutputStream(String.format("%s.c0", file.getAbsolutePath()));
+                outputStream = new CleaverSimpleFileOutputStream(file.getAbsolutePath());
             }
 
-            if(compressConfig != null) {
-                outputStream = new DeflaterOutputStream(outputStream);
+            if(compressConfig instanceof DeflateConfig) {
+                outputStream = new CleaverDeflaterOutputStream(outputStream);
             }
 
-            if(cryptConfig != null) {
-                outputStream = new CleaverCryptOutputStream(outputStream, cryptConfig.getKey());
+            if(cryptConfig instanceof PasswordConfig) {
+                outputStream = new CleaverCryptOutputStream(outputStream, ((PasswordConfig)cryptConfig).getKey());
             }
 
             //Create the .chp file
@@ -121,26 +120,6 @@ public class ChopJob extends Job {
             Element root = doc.createElement("Cleaver");
             doc.appendChild(root);
 
-            Element original = doc.createElement("Original");
-            original.setTextContent(file.getName());
-            root.appendChild(original);
-
-            if(splitConfig != null) {
-                root.appendChild(splitConfig.toElement(doc));
-            }
-            if(compressConfig != null) {
-                root.appendChild(compressConfig.toElement(doc));
-            }
-            if(cryptConfig != null) {
-                root.appendChild(cryptConfig.toElement(doc));
-            }
-
-            TransformerFactory transformerFactory = TransformerFactory.newInstance();
-            Transformer transformer = transformerFactory.newTransformer();
-            DOMSource source = new DOMSource(doc);
-            StreamResult result = new StreamResult(String.format("%s.chp", file.getAbsolutePath()));
-            transformer.transform(source, result);
-
             //Pipe everything to the output
             int bytesUntilNextUpdate = 2048;
             this.setProgress(new WorkingProgress());
@@ -158,6 +137,14 @@ public class ChopJob extends Job {
             inputStream.close();
             outputStream.close();
 
+            root.appendChild(((ICleaverOutputStream)outputStream).toElement(doc));
+
+            TransformerFactory transformerFactory = TransformerFactory.newInstance();
+            Transformer transformer = transformerFactory.newTransformer();
+            DOMSource source = new DOMSource(doc);
+            StreamResult result = new StreamResult(String.format("%s.chp", file.getAbsolutePath()));
+            transformer.transform(source, result);
+
             this.setProgress(new FinishedProgress());
         } catch (Throwable e) {
             e.printStackTrace();

src/eu/steffo/cleaver/logic/job/Job.java

@@ -3,11 +3,9 @@ package eu.steffo.cleaver.logic.job;
 import java.io.File;
 import javax.swing.SwingUtilities;
 
-import eu.steffo.cleaver.logic.config.CompressConfig;
-import eu.steffo.cleaver.logic.config.CryptConfig;
+import eu.steffo.cleaver.logic.config.*;
 import eu.steffo.cleaver.logic.progress.NotStartedProgress;
 import eu.steffo.cleaver.logic.progress.Progress;
-import eu.steffo.cleaver.logic.config.SplitConfig;
 
 /**
  * A {@link Thread} that allows access to the basic .
@@ -62,19 +60,19 @@ public abstract class Job extends Thread {
     }
 
     /**
-     * @return The {@link SplitConfig} of the job. If {@literal null}, the job shouldn't handle file splitting/merging.
+     * @return The {@link IConfig} for the Split step of the job. If {@literal null}, the job shouldn't handle file splitting/merging.
      */
-    public abstract SplitConfig getSplitConfig();
+    public abstract ISplitConfig getSplitConfig();
 
     /**
-     * @return The {@link CryptConfig} of the job. If {@literal null}, the job shouldn't handle file encryption/decryption.
+     * @return The {@link IConfig} for the Crypt step of the job. If {@literal null}, the job shouldn't handle file encryption/decryption.
      */
-    public abstract CryptConfig getCryptConfig();
+    public abstract ICryptConfig getCryptConfig();
 
     /**
-     * @return The {@link CompressConfig} of the job. If {@literal null}, the job shouldn't handle file compression/decompression.
+     * @return The {@link IConfig} for the Compress step of the job. If {@literal null}, the job shouldn't handle file compression/decompression.
      */
-    public abstract CompressConfig getCompressConfig();
+    public abstract ICompressConfig getCompressConfig();
 
     /**
      * Set the progress of the job to a different value.

src/eu/steffo/cleaver/logic/job/StitchJob.java

@@ -2,10 +2,7 @@ package eu.steffo.cleaver.logic.job;
 
 import eu.steffo.cleaver.errors.ChpFileError;
 import eu.steffo.cleaver.errors.ProgrammingError;
-import eu.steffo.cleaver.logic.config.CompressConfig;
-import eu.steffo.cleaver.logic.config.CryptConfig;
-import eu.steffo.cleaver.logic.config.MergeConfig;
-import eu.steffo.cleaver.logic.config.SplitConfig;
+import eu.steffo.cleaver.logic.config.*;
 import eu.steffo.cleaver.logic.stream.input.CryptInputStream;
 import eu.steffo.cleaver.logic.progress.ErrorProgress;
 import eu.steffo.cleaver.logic.progress.FinishedProgress;
@@ -25,15 +22,16 @@ import javax.xml.parsers.ParserConfigurationException;
 import java.io.*;
 import java.util.zip.InflaterInputStream;
 
+
 /**
  * A {@link Job} that converts <i>chopped</i> (*.chp + *.cXX) files back into regular files.
  */
 public class StitchJob extends Job {
     private File resultFile;
     private File chpFile;
-    private SplitConfig splitConfig = null;
-    private CryptConfig cryptConfig = null;
-    private CompressConfig compressConfig = null;
+    private ISplitConfig splitConfig = null;
+    private ICryptConfig cryptConfig = null;
+    private ICompressConfig compressConfig = null;
 
     /**
      * Construct a StitchJob, specifying the *.chp file to import the settings from.
@@ -84,17 +82,17 @@ public class StitchJob extends Job {
     }
 
     @Override
-    public SplitConfig getSplitConfig() {
+    public ISplitConfig getSplitConfig() {
         return splitConfig;
     }
 
     @Override
-    public CryptConfig getCryptConfig() {
+    public ICryptConfig getCryptConfig() {
         return cryptConfig;
     }
 
     @Override
-    public CompressConfig getCompressConfig() {
+    public ICompressConfig getCompressConfig() {
         return compressConfig;
     }
 
@@ -125,104 +123,17 @@ public class StitchJob extends Job {
     }
 
     /**
-     * Read a {@link Document} and set the {@link SplitConfig}, {@link CryptConfig} and {@link CompressConfig} of this job accordingly.
+     * Read a {@link Document} and set the {@link IConfig}, {@link PasswordConfig} and {@link DeflateConfig} of this job accordingly.
      * @param doc The {@link Document} to be read.
-     * @param cryptKey The encryption key to use in the {@link CryptConfig}.
+     * @param cryptKey The encryption key to use in the {@link PasswordConfig}.
      * @throws ChpFileError If there's an error while parsing the *.chp file.
      */
     protected void parseChp(Document doc, String cryptKey) throws ChpFileError {
-        Element root = doc.getDocumentElement();
-
-        NodeList originals = root.getElementsByTagName("Original");
-        NodeList splits = root.getElementsByTagName("Split");
-        NodeList crypts = root.getElementsByTagName("Crypt");
-        NodeList compresses = root.getElementsByTagName("Compress");
-
-        Node originalNode = originals.item(0);
-        Node splitNode = splits.item(0);
-        Node cryptNode = crypts.item(0);
-        Node compressNode = compresses.item(0);
-
-        if(originalNode == null) {
-            throw new ChpFileError("No original filename found (<Original> tag)");
-        }
-        Element original = (Element)originalNode;
-        //The resulting file will be in the same directory of the *.chp file
-        resultFile = new File(chpFile.getAbsoluteFile().getParentFile().getAbsolutePath().concat("/" + original.getTextContent()));
-
-        if(splitNode != null) {
-            Element split = (Element)splitNode;
-
-            long partSize;
-            try {
-                partSize = Long.parseLong(split.getAttribute("part-size"));
-            } catch(NumberFormatException e) {
-                throw new ChpFileError("Corrupt part size data.");
-            }
-
-            int parts;
-            try {
-                parts = Integer.parseInt(split.getAttribute("parts"));
-            } catch(NumberFormatException e) {
-                throw new ChpFileError("Corrupt parts data.");
-            }
-
-            long totalSize;
-            try {
-                totalSize = Long.parseLong(split.getAttribute("total-size"));
-            } catch(NumberFormatException e) {
-                throw new ChpFileError("Corrupt total size data.");
-            }
-
-            splitConfig = new MergeConfig(partSize, parts, totalSize);
-        }
-        if(cryptNode != null) {
-            cryptConfig = new CryptConfig(cryptKey);
-        }
-        if(compressNode != null) {
-            compressConfig = new CompressConfig();
-        }
+        //TODO
     }
 
     @Override
     public void run() {
-        try {
-            InputStream inputStream;
-            OutputStream outputStream = new FileOutputStream(resultFile);
-
-            if (splitConfig != null) {
-                inputStream = new CleaverSplitFileInputStream(resultFile.getPath(), splitConfig.getPartSize());
-            }
-            else {
-                inputStream = new FileInputStream(String.format("%s.c0", resultFile.getAbsolutePath()));
-            }
-
-            if (compressConfig != null) {
-                inputStream = new InflaterInputStream(inputStream);
-            }
-
-            if (cryptConfig != null) {
-                inputStream = new CryptInputStream(inputStream, cryptConfig.getKey());
-            }
-
-            //Pipe everything to the output
-            int bytesUntilNextUpdate = 2048;
-            this.setProgress(new WorkingProgress());
-
-            int i;
-            while((i = inputStream.read()) != -1) {
-                outputStream.write(i);
-                bytesUntilNextUpdate -= 1;
-                if(bytesUntilNextUpdate <= 0) {
-                    this.setProgress(new WorkingProgress((float)(resultFile.length() - inputStream.available()) / (float)resultFile.length()));
-                    bytesUntilNextUpdate = 2048;
-                }
-            }
-
-            this.setProgress(new FinishedProgress());
-        } catch (Throwable e) {
-            e.printStackTrace();
-            this.setProgress(new ErrorProgress(e));
-        }
+        //TODO
     }
 }

src/eu/steffo/cleaver/logic/stream/output/CleaverCryptOutputStream.java

@@ -78,7 +78,7 @@ public class CleaverCryptOutputStream extends FilterOutputStream implements ICle
 
     /**
      * Generate a new <a href="https://en.wikipedia.org/wiki/Initialization_vector">Initialization Vector</a> with the specified size.
-     * @param size The size of the initialization vector.
+     * @param size The size in bytes of the initialization vector.
      * @return The generated IV.
      */
     protected IvParameterSpec generateIV(int size) {
@@ -103,15 +103,18 @@ public class CleaverCryptOutputStream extends FilterOutputStream implements ICle
      * @throws NoSuchAlgorithmException If the {@link #ENCRYPTION_ALGORITHM} is invalid.
      * @throws InvalidKeySpecException If the generated {@link KeySpec} is invalid.
      */
-    private void createCipher(char[] key) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidAlgorithmParameterException, InvalidKeyException {
+    private void initCipher(char[] key) throws NoSuchPaddingException, NoSuchAlgorithmException, InvalidKeySpecException, InvalidAlgorithmParameterException, InvalidKeyException {
         //Setup the cipher object
         cipher = Cipher.getInstance(getTransformationString());
 
         //"Convert" the secret key to a AES secret key
         SecretKey aes = new SecretKeySpec(generatePasswordKey(key).getEncoded(), ENCRYPTION_ALGORITHM);
 
+        //Generate the initialization vector
+        IvParameterSpec iv = generateIV(1);
+
         //Init the cipher instance
-        cipher.init(Cipher.ENCRYPT_MODE, aes, generateIV(1));
+        cipher.init(Cipher.ENCRYPT_MODE, aes, iv);
     }
 
     /**
@@ -123,8 +126,9 @@ public class CleaverCryptOutputStream extends FilterOutputStream implements ICle
     public CleaverCryptOutputStream(OutputStream out, String key) {
         super(out);
         try {
-            createCipher(key.toCharArray());
+            initCipher(key.toCharArray());
         } catch (NoSuchPaddingException | NoSuchAlgorithmException | InvalidKeySpecException | InvalidAlgorithmParameterException | InvalidKeyException e) {
+            //This should never happen...
             e.printStackTrace();
         }
     }
@@ -169,6 +173,10 @@ public class CleaverCryptOutputStream extends FilterOutputStream implements ICle
         keyLengthAttr.setValue(Integer.toString(KEY_LENGTH));
         element.setAttributeNode(keyLengthAttr);
 
+        Attr ivAttr = doc.createAttribute("iv");
+        ivAttr.setValue(Byte.toString(cipher.getIV()[0]));
+        element.setAttributeNode(ivAttr);
+
         return element;
     }
 }

src/eu/steffo/cleaver/logic/stream/output/CleaverDeflaterOutputStream.java

@@ -8,12 +8,12 @@ import java.io.OutputStream;
 import java.util.zip.Deflater;
 import java.util.zip.DeflaterOutputStream;
 
-public class CleaverCompressOutputStream extends DeflaterOutputStream implements ICleaverOutputStream {
+public class CleaverDeflaterOutputStream extends DeflaterOutputStream implements ICleaverOutputStream {
     /**
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream, Deflater, int, boolean)
      */
-    public CleaverCompressOutputStream(OutputStream out, Deflater def, int size, boolean syncFlush) {
+    public CleaverDeflaterOutputStream(OutputStream out, Deflater def, int size, boolean syncFlush) {
         super(out, def, size, syncFlush);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
@@ -24,7 +24,7 @@ public class CleaverCompressOutputStream extends DeflaterOutputStream implements
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream, Deflater, int)
      */
-    public CleaverCompressOutputStream(OutputStream out, Deflater def, int size) {
+    public CleaverDeflaterOutputStream(OutputStream out, Deflater def, int size) {
         super(out, def, size);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
@@ -35,7 +35,7 @@ public class CleaverCompressOutputStream extends DeflaterOutputStream implements
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream, Deflater, boolean)
      */
-    public CleaverCompressOutputStream(OutputStream out, Deflater def, boolean syncFlush) {
+    public CleaverDeflaterOutputStream(OutputStream out, Deflater def, boolean syncFlush) {
         super(out, def, syncFlush);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
@@ -46,7 +46,7 @@ public class CleaverCompressOutputStream extends DeflaterOutputStream implements
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream, Deflater)
      */
-    public CleaverCompressOutputStream(OutputStream out, Deflater def) {
+    public CleaverDeflaterOutputStream(OutputStream out, Deflater def) {
         super(out, def);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
@@ -57,7 +57,7 @@ public class CleaverCompressOutputStream extends DeflaterOutputStream implements
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream, boolean)
      */
-    public CleaverCompressOutputStream(OutputStream out, boolean syncFlush) {
+    public CleaverDeflaterOutputStream(OutputStream out, boolean syncFlush) {
         super(out, syncFlush);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
@@ -68,31 +68,20 @@ public class CleaverCompressOutputStream extends DeflaterOutputStream implements
      * Construct a new CleaverCompressOutputStream and ensure the passed {@link OutputStream} implements {@link ICleaverOutputStream}.
      * @see DeflaterOutputStream#DeflaterOutputStream(OutputStream)
      */
-    public CleaverCompressOutputStream(OutputStream out) {
+    public CleaverDeflaterOutputStream(OutputStream out) {
         super(out);
         if(!(out instanceof ICleaverOutputStream)) {
             throw new IllegalArgumentException("The OutputStream passed to the CleaverCompressOutputStream must implement ICleaverOutputStream.");
         }
     }
 
-    /**
-     * @return The name of the used compression algorithm (currently only {@literal Deflate}).
-     */
-    public String getAlgorithm() {
-        return "Deflate";
-    }
-
     @Override
     public Element toElement(Document doc) {
-        Element element = doc.createElement("Compress");
+        Element element = doc.createElement("Deflate");
 
         Element child = ((ICleaverOutputStream)out).toElement(doc);
         element.appendChild(child);
 
-        Attr algorithmAttr = doc.createAttribute("algorithm");
-        algorithmAttr.setValue(getAlgorithm());
-        element.setAttributeNode(algorithmAttr);
-
         return element;
     }
 }

src/eu/steffo/cleaver/logic/stream/output/CleaverForkFileOutputStream.java

@@ -0,0 +1,89 @@
+package eu.steffo.cleaver.logic.stream.output;
+
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import java.io.*;
+
+/**
+ * A custom {@link OutputStream} that writes the bytes received in input in multiple files with a progressively increasing number (.c1, .c2, .c3, and so on).
+ *
+ * Bytes are written one at a time to the files in a round-robin format until the stream is exausted.
+ */
+public class CleaverForkFileOutputStream extends OutputStream implements ICleaverOutputStream {
+    private final String fileBaseName;
+    private FileOutputStream[] fileOutputStreams;
+    private int writeTo;
+    private long partSize;
+
+    /**
+     * Construct a CleaverForkFileOutputStream.
+     * @param fileBaseName The name of the files without the extension. If it is {@literal example}, the created files will be {@literal example.c1}, {@literal example.c2}, and so on.
+     * @param parts The number of parts to be created.
+     */
+    public CleaverForkFileOutputStream(String fileBaseName, int parts) throws FileNotFoundException {
+        this.fileBaseName = fileBaseName;
+        this.fileOutputStreams = new FileOutputStream[parts];
+        for(int i = 0; i < parts; i++) {
+            File file = new File(String.format("%s.c%s", fileBaseName, i));
+            this.fileOutputStreams[i] = new FileOutputStream(file);
+        }
+        this.writeTo = 0;
+        this.partSize = 1;
+    }
+
+    @Override
+    public Element toElement(Document doc) {
+        Element element = doc.createElement("Fork");
+        element.setTextContent(fileBaseName);
+
+        Attr partSizeAttr = doc.createAttribute("part-size");
+        partSizeAttr.setValue(Long.toString(partSize));
+        element.setAttributeNode(partSizeAttr);
+
+        Attr partCountAttr = doc.createAttribute("parts");
+        partCountAttr.setValue(Long.toString(fileOutputStreams.length));
+        element.setAttributeNode(partCountAttr);
+
+        return element;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        fileOutputStreams[writeTo].write(b);
+        writeTo += 1;
+        if(writeTo >= fileOutputStreams.length) {
+            writeTo = 0;
+            partSize += 1;
+        }
+    }
+
+    /**
+     * @return The name of the files without the extension. If it is {@literal example}, the created files will be {@literal example.c1}, {@literal example.c2}, and so on.
+     */
+    public String getFileBaseName() {
+        return fileBaseName;
+    }
+
+    /**
+     * @return The current maximum size of a part, in bytes.
+     */
+    public long getPartSize() {
+        return partSize;
+    }
+
+    /**
+     * @return The number of file parts to create.
+     */
+    public int getParts() {
+        return fileOutputStreams.length;
+    }
+
+    /**
+     * @return The number of the next file where a byte should be written, from 0 to the number of parts -1.
+     */
+    public int getWriteTo() {
+        return writeTo;
+    }
+}

src/eu/steffo/cleaver/logic/stream/output/CleaverSimpleFileOutputStream.java

@@ -0,0 +1,24 @@
+package eu.steffo.cleaver.logic.stream.output;
+
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
+import java.io.FileNotFoundException;
+import java.io.FileOutputStream;
+
+public class CleaverSimpleFileOutputStream extends FileOutputStream implements ICleaverOutputStream {
+    private final String fileBaseName;
+
+    public CleaverSimpleFileOutputStream(String fileBaseName) throws FileNotFoundException {
+        super(String.format("%s.c0", fileBaseName));
+        this.fileBaseName = fileBaseName;
+    }
+
+    @Override
+    public Element toElement(Document doc) {
+        Element element = doc.createElement("Simple");
+        element.setTextContent(fileBaseName);
+
+        return element;
+    }
+}

src/eu/steffo/cleaver/logic/stream/output/CleaverSplitFileOutputStream.java

@@ -17,7 +17,6 @@ public class CleaverSplitFileOutputStream extends OutputStream implements ICleav
     private final String fileBaseName;
     private long currentByteCount;
     private long maximumByteCount;
-    private long totalByteCount;
     private int currentFileCount;
 
     /**
@@ -60,7 +59,6 @@ public class CleaverSplitFileOutputStream extends OutputStream implements ICleav
         }
         currentFileOutputStream.write(b);
         currentByteCount += 1;
-        totalByteCount += 1;
     }
 
     @Override
@@ -96,13 +94,6 @@ public class CleaverSplitFileOutputStream extends OutputStream implements ICleav
         return currentFileCount;
     }
 
-    /**
-     * @return The number of bytes that have already been written.
-     */
-    public long getTotalByteCount() {
-        return totalByteCount;
-    }
-
     @Override
     public Element toElement(Document doc) {
         Element element = doc.createElement("Split");
@@ -116,10 +107,6 @@ public class CleaverSplitFileOutputStream extends OutputStream implements ICleav
         partCountAttr.setValue(Long.toString(currentFileCount));
         element.setAttributeNode(partCountAttr);
 
-        Attr totalSizeAttr = doc.createAttribute("total-size");
-        totalSizeAttr.setValue(Long.toString(totalByteCount));
-        element.setAttributeNode(totalSizeAttr);
-
         return element;
     }
 }

src/eu/steffo/cleaver/logic/stream/output/ICleaverOutputStream.java

@@ -11,5 +11,5 @@ public interface ICleaverOutputStream extends ICleaverStream {
      * @param doc The {@link Document} the {@link Element} should be created in.
      * @return The created {@link Element}.
      */
-    public Element toElement(Document doc);
+    Element toElement(Document doc);
 }

src/module-info.java

@@ -13,9 +13,10 @@ open module eu.steffo.cleaver {
     exports eu.steffo.cleaver.gui.panels;
     exports eu.steffo.cleaver.gui.panels.rows;
     exports eu.steffo.cleaver.gui.panels.rows.option;
-    exports eu.steffo.cleaver.logic;
-    exports eu.steffo.cleaver.logic.compress;
-    exports eu.steffo.cleaver.logic.crypt;
     exports eu.steffo.cleaver.logic.progress;
-    exports eu.steffo.cleaver.logic.split;
+    exports eu.steffo.cleaver.logic.config;
+    exports eu.steffo.cleaver.logic.job;
+    exports eu.steffo.cleaver.logic.stream;
+    exports eu.steffo.cleaver.logic.stream.input;
+    exports eu.steffo.cleaver.logic.stream.output;
 }