Try to use Java Serializable to improve loading of included

ComponentPresets.

core/build.xml

@@ -68,7 +68,7 @@
 	</target>
 	
 	<!-- Executible Eclipse-Jar-In-Jar style JAR -->
-	<target name="jar" depends="core-jar" description="Create the OpenRocket jar-in-jar Executable">
+	<target name="jar" depends="core-jar,serialize-presets" description="Create the OpenRocket jar-in-jar Executable">
 		<mkdir dir="${jar.dir}" />
 		<jar destfile="${jar.file}">
 			<manifest>
@@ -104,7 +104,13 @@
 		</jar>
 	</target>
 	
-	
+	<target name="serialize-presets" depends="core-jar" description="Preprocess the orc preset files into serialized form">
+	    <java classname="net.sf.openrocket.startup.SerializePresets"
+	          fork="true"
+			  classpathref="run-classpath"
+			  failonerror="true">
+	    </java>
+	</target>
 	<!-- Core OpenRocket JAR -->
 	<target name="core-jar" depends="build" description="Create the OpenRocket code-only jar file">
 		<jar destfile="${build.dir}/${ant.project.name}-Core.jar" basedir="${dist.dir}">
@@ -126,7 +132,7 @@
 				classpathref="run-classpath"
 				failonerror="true">
 				<arg value="@{dir}"/>
-				<arg value="resources/datafiles/presets/@{vendor}.orc"/>
+				<arg value="resources-src/datafiles/presets/@{vendor}.orc"/>
 			</java>
 		</sequential>
 	</macrodef>

core/src/net/sf/openrocket/preset/ComponentPreset.java

@@ -2,6 +2,11 @@ package net.sf.openrocket.preset;
 
 import java.io.ByteArrayOutputStream;
 import java.io.DataOutputStream;
+import java.io.IOException;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.Serializable;
+import java.lang.reflect.Field;
 import java.security.MessageDigest;
 import java.util.ArrayList;
 import java.util.Arrays;
@@ -10,6 +15,7 @@ import java.util.Comparator;
 import java.util.HashMap;
 import java.util.List;
 import java.util.Map;
+import java.util.Map.Entry;
 
 import net.sf.openrocket.material.Material;
 import net.sf.openrocket.motor.Manufacturer;
@@ -28,7 +34,7 @@ import net.sf.openrocket.util.TextUtil;
  *
  * @author Sampo Niskanen <sampo.niskanen@iki.fi>
  */
-public class ComponentPreset implements Comparable<ComponentPreset> {
+public class ComponentPreset implements Comparable<ComponentPreset>, Serializable {
 
 	private final TypedPropertyMap properties = new TypedPropertyMap();
 
@@ -374,4 +380,69 @@ public class ComponentPreset implements Comparable<ComponentPreset> {
 		}
 	}
 
+	private static class MaterialDTO implements Serializable {
+		String name;
+		String type;
+		boolean userDefined;
+		Double density;
+	}
+
+	private void writeObject( ObjectOutputStream oos ) throws IOException {
+		Map<String,Object> DTO = new HashMap<String,Object>();
+
+		for ( Entry<TypedKey<?>, Object> entry :properties.entrySet() ) {
+
+			TypedKey<?> key = entry.getKey();
+			Object value = entry.getValue();
+
+			String keyName = key.getName();
+			if ( MANUFACTURER.getName().equals(keyName) ) {
+				value = ((Manufacturer) value).getDisplayName();
+			} else if ( value instanceof Material ) {
+				Material material = (Material) value;
+				MaterialDTO m = new MaterialDTO();
+				m.name = material.getName();
+				m.type = material.getType().name();
+				m.density = material.getDensity();
+				m.userDefined = material.isUserDefined();
+				value = m;
+			}
+
+			DTO.put(keyName,value);
+		}
+
+		oos.writeObject(DTO);
+	}
+
+	private void readObject( ObjectInputStream ois ) throws IOException, ClassNotFoundException, NoSuchFieldException, SecurityException, IllegalArgumentException, IllegalAccessException {
+		Map<String,Object> DTO = (Map<String,Object>) ois.readObject();
+
+		Field propField = ComponentPreset.class.getDeclaredField("properties");
+		propField.setAccessible(true);
+		propField.set(this, new TypedPropertyMap());
+
+		for ( Entry<String,Object> entry : DTO.entrySet() ) {
+			String keyName = entry.getKey();
+			Object value = entry.getValue();
+
+			if ( MANUFACTURER.getName().equals(keyName)) {
+				value = Manufacturer.getManufacturer((String) value);
+			} else if ( value instanceof MaterialDTO ) {
+				MaterialDTO m = (MaterialDTO) value;
+				value = Material.newMaterial(Material.Type.valueOf(m.type), m.name, m.density, m.userDefined);
+			}
+			if ( TYPE.getName().equals(keyName)) {
+				this.properties.put(TYPE, (ComponentPreset.Type) value);
+			} else {
+				for( TypedKey k : ORDERED_KEY_LIST ) {
+					if ( k.getName().equals(keyName)) {
+						this.properties.put( k, value );
+						break;
+					}
+				}
+			}
+		}
+
+		this.computeDigest();
+	}
 }

core/src/net/sf/openrocket/startup/ConcurrentComponentPresetDatabaseLoader.java

@@ -2,7 +2,9 @@ package net.sf.openrocket.startup;
 
 import java.io.IOException;
 import java.io.InputStream;
+import java.io.ObjectInputStream;
 import java.util.Collection;
+import java.util.List;
 import java.util.concurrent.CountDownLatch;
 import java.util.concurrent.ExecutorService;
 import java.util.concurrent.Executors;
@@ -17,6 +19,7 @@ import net.sf.openrocket.gui.util.SwingPreferences;
 import net.sf.openrocket.logging.LogHelper;
 import net.sf.openrocket.preset.ComponentPreset;
 import net.sf.openrocket.preset.xml.OpenRocketComponentLoader;
+import net.sf.openrocket.util.BugException;
 import net.sf.openrocket.util.Pair;
 
 public class ConcurrentComponentPresetDatabaseLoader {
@@ -90,19 +93,26 @@ public class ConcurrentComponentPresetDatabaseLoader {
 			// Start loading
 			log.info("Loading component presets from " + SYSTEM_PRESET_DIR);
 
-			SimpleFileFilter orcFilter = new SimpleFileFilter("", false, "orc"); 
-			iterator = DirectoryIterator.findDirectory(SYSTEM_PRESET_DIR, orcFilter);
+			iterator = DirectoryIterator.findDirectory(SYSTEM_PRESET_DIR, new SimpleFileFilter("",false,"ser"));
 
 			if (iterator != null) {
 				while( iterator.hasNext() ) {
 					Pair<String,InputStream> f = iterator.next();
-					FileLoader loader = new FileLoader( f.getV(), f.getU() );
-					loaderPool.execute(loader);
-					fileCount ++;
+					try {
+						ObjectInputStream ois = new ObjectInputStream(f.getV());
+						List<ComponentPreset> list = (List<ComponentPreset>) ois.readObject();
+						componentPresetDao.addAll(list);
+						fileCount++;
+						presetCount+=list.size();
+					}
+					catch ( Exception ex ) {
+						throw new BugException(ex);
+					}
 				}
 			}
 
 			try {
+				SimpleFileFilter orcFilter = new SimpleFileFilter("", false, "orc"); 
 				iterator = new DirectoryIterator(
 						((SwingPreferences) Application.getPreferences()).getDefaultUserComponentDirectory(),
 						orcFilter,

core/src/net/sf/openrocket/startup/SerializePresets.java

@@ -0,0 +1,70 @@
+package net.sf.openrocket.startup;
+
+import java.io.File;
+import java.io.FileOutputStream;
+import java.io.InputStream;
+import java.io.ObjectOutputStream;
+import java.util.Collection;
+import java.util.List;
+
+import net.sf.openrocket.database.ComponentPresetDatabase;
+import net.sf.openrocket.file.iterator.DirectoryIterator;
+import net.sf.openrocket.file.iterator.FileIterator;
+import net.sf.openrocket.gui.util.SimpleFileFilter;
+import net.sf.openrocket.gui.util.SwingPreferences;
+import net.sf.openrocket.preset.ComponentPreset;
+import net.sf.openrocket.preset.xml.OpenRocketComponentLoader;
+import net.sf.openrocket.util.Pair;
+
+public class SerializePresets {
+
+	/**
+	 * @param args
+	 */
+	public static void main(String[] args) throws Exception {
+
+		Application.setPreferences( new SwingPreferences() );
+
+		ComponentPresetDatabase componentPresetDao = new ComponentPresetDatabase() {
+
+			@Override
+			protected void load() {
+				
+				FileIterator iterator = DirectoryIterator.findDirectory("resources-src/datafiles/presets", new SimpleFileFilter("",false,"orc"));
+
+				if ( iterator == null ) {
+					throw new RuntimeException("Can't find resources-src/presets directory");
+				}
+				while( iterator.hasNext() ) {
+					Pair<String,InputStream> f = iterator.next();
+					String fileName = f.getU();
+					InputStream is = f.getV();
+				
+					OpenRocketComponentLoader loader = new OpenRocketComponentLoader();
+					Collection<ComponentPreset> presets = loader.load(is, fileName);
+
+					this.addAll(presets);
+					
+				}
+			}
+			
+		};
+		
+		componentPresetDao.startLoading();
+		
+		List<ComponentPreset> list = componentPresetDao.listAll();
+		
+		Application.getLogger().info("Total number of presets = " + list.size());
+		
+		File outFile = new File("resources/datafiles/presets","system.ser");
+		
+		FileOutputStream ofs = new FileOutputStream(outFile);
+		ObjectOutputStream oos = new ObjectOutputStream(ofs);
+		
+		oos.writeObject(list);
+		
+		ofs.flush();
+		ofs.close();
+	}
+
+}