Add ChopJob.run() code (no crypt yet)

sample_file.chp

@@ -1,5 +0,0 @@
-<Cleaver>
-    <Compress/>
-    <Crypt/>
-    <Split mode="by-parts">10</Split>
-</Cleaver>

src/eu/steffo/cleaver/Test.java

@@ -0,0 +1,21 @@
+package eu.steffo.cleaver;
+
+import eu.steffo.cleaver.logic.ChopJob;
+import eu.steffo.cleaver.logic.Job;
+import eu.steffo.cleaver.logic.split.SplitFileOutputStream;
+
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class Test {
+    public static void main(String[] args) {
+        OutputStream stream = new SplitFileOutputStream("test", 64);
+        for(int i = 0; i < 256; i++) {
+            try {
+                stream.write(i);
+            } catch (IOException e) {
+                e.printStackTrace();
+            }
+        }
+    }
+}

src/eu/steffo/cleaver/gui/rows/FileSelectRow.java

@@ -17,6 +17,7 @@ public class FileSelectRow extends Row {
 
         fileChooser = new JFileChooser();
         fileChooser.setMultiSelectionEnabled(true);
+        fileChooser.setCurrentDirectory(new File("."));
 
         this.add(Box.createHorizontalStrut(8));
 

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

@@ -1,11 +1,29 @@
 package eu.steffo.cleaver.logic;
 
+import eu.steffo.cleaver.errors.ChpFileError;
+import eu.steffo.cleaver.errors.ProgrammingError;
 import eu.steffo.cleaver.logic.compress.CompressConfig;
 import eu.steffo.cleaver.logic.crypt.CryptConfig;
+import eu.steffo.cleaver.logic.progress.ErrorProgress;
 import eu.steffo.cleaver.logic.progress.FinishedProgress;
+import eu.steffo.cleaver.logic.progress.WorkingProgress;
+import eu.steffo.cleaver.logic.split.SplitByPartsConfig;
+import eu.steffo.cleaver.logic.split.SplitBySizeConfig;
 import eu.steffo.cleaver.logic.split.SplitConfig;
+import eu.steffo.cleaver.logic.split.SplitFileOutputStream;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.xml.sax.SAXException;
 
-import java.io.File;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.transform.Transformer;
+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;
 
 public class ChopJob extends Job {
 
@@ -27,7 +45,78 @@ public class ChopJob extends Job {
 
     @Override
     public void run() {
-        this.setProgress(new FinishedProgress());
+        try {
+            InputStream inputStream = new FileInputStream(file);
+            long partSize;
+
+            if(splitConfig instanceof SplitBySizeConfig) {
+                partSize = ((SplitBySizeConfig)splitConfig).getSize();
+            }
+            else if(splitConfig instanceof SplitByPartsConfig) {
+                partSize = ((SplitByPartsConfig)splitConfig).getParts();
+            }
+            else {
+                partSize = file.length();
+            }
+            OutputStream outputStream = new SplitFileOutputStream(file.getName(), partSize);
+
+            if(compressConfig != null) {
+                outputStream = new DeflaterOutputStream(outputStream);
+            }
+
+            if(cryptConfig != null) {
+                //TODO
+            }
+
+            //Create the .chp file
+            DocumentBuilderFactory factory = DocumentBuilderFactory.newInstance();
+            DocumentBuilder builder = factory.newDocumentBuilder();
+            try {
+                builder = factory.newDocumentBuilder();
+            } catch (ParserConfigurationException e) {
+                throw new ProgrammingError();
+            }
+            Document doc = builder.newDocument();
+            Element root = doc.createElement("Cleaver");
+            doc.appendChild(root);
+
+            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.getName()));
+            transformer.transform(source, result);
+
+            //Actually run the job
+            int bytesUntilNextUpdate = 1024;
+            this.setProgress(new WorkingProgress());
+
+            int i;
+            while((i = inputStream.read()) != -1) {
+                outputStream.write(i);
+                bytesUntilNextUpdate -= 1;
+                if(bytesUntilNextUpdate <= 0) {
+                    this.setProgress(new WorkingProgress((float)file.length() / (float)partSize));
+                    bytesUntilNextUpdate = 1024;
+                }
+            }
+
+            inputStream.close();
+            outputStream.close();
+
+            this.setProgress(new FinishedProgress());
+        } catch (Throwable e) {
+            this.setProgress(new ErrorProgress(e));
+        }
     }
 
     public SplitConfig getSplitConfig() {

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

@@ -1,8 +1,15 @@
 package eu.steffo.cleaver.logic.compress;
 
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
 public class CompressConfig {
     @Override
     public String toString() {
         return "Yes";
     }
+
+    public Element toElement(Document doc) {
+        return doc.createElement("Compress");
+    }
 }

src/eu/steffo/cleaver/logic/crypt/CryptConfig.java

@@ -1,5 +1,8 @@
 package eu.steffo.cleaver.logic.crypt;
 
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
 public class CryptConfig {
     protected String key;
 
@@ -15,4 +18,8 @@ public class CryptConfig {
     public String toString() {
         return "••••••••";
     }
+
+    public Element toElement(Document doc) {
+        return doc.createElement("Crypt");
+    }
 }

src/eu/steffo/cleaver/logic/progress/ErrorProgress.java

@@ -0,0 +1,14 @@
+package eu.steffo.cleaver.logic.progress;
+
+public class ErrorProgress extends Progress {
+    public final Throwable error;
+
+    public ErrorProgress(Throwable error) {
+        this.error = error;
+    }
+
+    @Override
+    public String toString() {
+        return "Error: " + error.getMessage();
+    }
+}

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

@@ -1,5 +1,9 @@
 package eu.steffo.cleaver.logic.split;
 
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
 public class SplitByPartsConfig extends SplitConfig {
     protected int parts;
 
@@ -15,4 +19,17 @@ public class SplitByPartsConfig extends SplitConfig {
     public String toString() {
         return String.format("%d parts", this.parts);
     }
+
+    @Override
+    public Element toElement(Document doc) {
+        Element element = doc.createElement("Split");
+
+        Attr attr = doc.createAttribute("mode");
+        attr.setValue("by-parts");
+        element.setAttributeNode(attr);
+
+        element.setTextContent(Integer.toString(parts));
+
+        return element;
+    }
 }

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

@@ -1,13 +1,18 @@
 package eu.steffo.cleaver.logic.split;
 
-public class SplitBySizeConfig extends SplitConfig {
-    protected int size;
+import org.w3c.dom.Attr;
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+import org.w3c.dom.Text;
 
-    public SplitBySizeConfig(int size) {
+public class SplitBySizeConfig extends SplitConfig {
+    protected long size;
+
+    public SplitBySizeConfig(long size) {
         this.size = size;
     }
 
-    public int getSize() {
+    public long getSize() {
         return size;
     }
 
@@ -15,4 +20,17 @@ public class SplitBySizeConfig extends SplitConfig {
     public String toString() {
         return String.format("%d bytes", this.size);
     }
+
+    @Override
+    public Element toElement(Document doc) {
+        Element element = doc.createElement("Split");
+
+        Attr attr = doc.createAttribute("mode");
+        attr.setValue("by-size");
+        element.setAttributeNode(attr);
+
+        element.setTextContent(Long.toString(size));
+
+        return element;
+    }
 }

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

@@ -1,4 +1,8 @@
 package eu.steffo.cleaver.logic.split;
 
+import org.w3c.dom.Document;
+import org.w3c.dom.Element;
+
 public abstract class SplitConfig {
+    public abstract Element toElement(Document doc);
 }

src/eu/steffo/cleaver/logic/split/SplitFileOutputStream.java

@@ -0,0 +1,45 @@
+package eu.steffo.cleaver.logic.split;
+
+import java.io.FileOutputStream;
+import java.io.IOException;
+import java.io.OutputStream;
+
+public class SplitFileOutputStream extends OutputStream {
+    protected String fileBaseName;
+    protected FileOutputStream currentFileOutputStream;
+    protected long currentByteCount;
+    protected long maximumByteCount;
+    protected int currentFileCount;
+
+    public SplitFileOutputStream(String fileBaseName, long maximumByteCount) {
+        this.fileBaseName = fileBaseName;
+        this.maximumByteCount = maximumByteCount;
+        this.currentByteCount = 0;
+        this.currentFileCount = 0;
+        this.currentFileOutputStream = null;
+    }
+
+    protected void createNextFileOutputStream() throws IOException {
+        if(currentFileOutputStream != null) {
+            currentFileOutputStream.close();
+        }
+
+        currentFileCount += 1;
+        currentFileOutputStream = new FileOutputStream(String.format("%s.c%d", fileBaseName, currentFileCount));
+        currentByteCount = 0;
+    }
+
+    @Override
+    public void write(int b) throws IOException {
+        if(currentFileOutputStream == null || currentByteCount >= maximumByteCount) {
+            createNextFileOutputStream();
+        }
+        currentFileOutputStream.write(b);
+        currentByteCount += 1;
+    }
+
+    @Override
+    public void close() throws IOException {
+        currentFileOutputStream.close();
+    }
+}