7u83/OpenSeSim
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Work on SeSimClassLoader

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This commit is contained in:
7u83
2017-11-19 09:43:41 +01:00
parent 98dd6215db
commit 03cfa59899
5 changed files with 131 additions and 75 deletions
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2
src/sesim/AutoTraderLoader.java
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@ -53,7 +53,7 @@ public class AutoTraderLoader extends SeSimClassLoader {
public AutoTraderLoader(ArrayList<String> pathlist) {
super(pathlist);
// setPathList(pathlist);
// setDefaultPathList(pathlist);
}
/**

149
src/sesim/SeSimClassLoader.java
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@ -28,6 +28,7 @@ package sesim;
import gui.Globals;
import java.io.File;
import java.io.FileFilter;
import java.io.FileInputStream;
import java.io.IOException;
import java.lang.reflect.Modifier;
import java.net.MalformedURLException;
@ -40,7 +41,10 @@ import java.util.ArrayList;
import java.util.Arrays;
import java.util.List;
import java.util.function.Consumer;
import java.util.jar.JarEntry;
import java.util.jar.JarInputStream;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.swing.JPanel;
/**
@ -56,20 +60,37 @@ public class SeSimClassLoader {
*
* @param pathlist List of paths
*/
public final void setPathList(ArrayList<String> pathlist) {
public final void setDefaultPathList(ArrayList<String> pathlist) {
this.pathlist = pathlist;
}
public SeSimClassLoader(ArrayList<String> pathlist) {
setPathList(pathlist);
/**
* Create a SeSimClassLoader object with an empty default path
*/
public SeSimClassLoader(){
this(new ArrayList<String>());
}
/**
* Create a SeSimClassLoader object with fiven default path
* @param pathlist Default path to search classes for
*/
public SeSimClassLoader(ArrayList<String> pathlist) {
setDefaultPathList(pathlist);
}
/**
* Get a list of all files in a given directory and
* its sub-directories.
* @param path Directory to list
* @return List of files
*/
public ArrayList<File> listFiles(String path) {
ArrayList<File> files = new ArrayList<>();
// get all the files from a directory
File[] fList = new File(path).listFiles();
for (File file : fList) {
if (file.isFile()) {
@ -85,14 +106,12 @@ public class SeSimClassLoader {
// ClassLoader cur = Thread.currentThread().getContextClassLoader();
// Thread.currentThread().setContextClassLoader(cl);
try {
return cls.newInstance();
return cls.newInstance();
} catch (InstantiationException | IllegalAccessException ex) {
System.out.printf("Error: %s\n",ex.getMessage());
System.out.printf("Error: %s\n", ex.getMessage());
}
// Thread.currentThread().setContextClassLoader(cur);
@ -100,9 +119,8 @@ public class SeSimClassLoader {
}
/**
* Check if a given class provides an certain interface
* and also if the class is not abstract, so it could be
* instanciated.
* Check if a given class provides an certain interface and also if the
* class is not abstract, so it could be instanciated.
*
* @param cls Class to check
* @param iface Interface which the class should provide
@ -125,7 +143,7 @@ public class SeSimClassLoader {
return false;
}
Class<?> xloadClass(String filename, String classname) {
Class<?> localClass(String filename, String classname) {
if (classname == null) {
return null;
@ -133,9 +151,39 @@ public class SeSimClassLoader {
String clnam = classname.substring(1, classname.length() - 6).replace('/', '.');
File f = new File(filename);
URL url = null;
try {
Class<?> cls = Class.forName(clnam);
url = f.toURI().toURL();
// f = new File("/home/tube/sesim_lib/");
url = f.toURI().toURL();
} catch (MalformedURLException ex) {
return null;
}
System.out.printf("URL: %s\n", url);
// Globals.LOGGER.info(String.format("URL: %s", url.toString()));
// URL[] urls = new URL[]{url};
URL[] urls = new URL[]{url};
ClassLoader cl;
// Create a new class loader with the directory
cl = new URLClassLoader(urls);
// ClassLoader cur = Thread.currentThread().getContextClassLoader();
// Thread.currentThread().setContextClassLoader(cl);
try {
Class<?> cls;
//cls = Class.forName(clnam);
cls = cl.loadClass(clnam);
if (cls == null) {
System.out.printf("nullclass\n");
}
@ -151,40 +199,71 @@ public class SeSimClassLoader {
}
/**
*
* @param iface
*
* @param pathlist
* @param iface
*/
public void getInstalledClasses(Class<?> iface) {
for (String classpathEntry : pathlist) {
System.out.printf("Classpath Entry: %s\n", classpathEntry);
public void getInstalledClasses(ArrayList<String> pathlist, Class<?> iface) {
for (String path : pathlist) {
ArrayList<File> files = listFiles(path);
ArrayList<File> files = listFiles(classpathEntry);
System.out.printf("Number of entries: %d\n", files.size());
for (File file : files) {
// System.out.printf("File: %s\n", file.toString());
String fn = file.toString();
if (fn.toLowerCase().endsWith(".class")) {
String class_name = fn.substring(classpathEntry.length());
Class<AutoTraderInterface> cls;
Class<?> c = xloadClass(fn, class_name);
String class_name = fn.substring(path.length());
Class<?> c = localClass(fn, class_name);
if (this.isInstance(c, AutoTraderInterface.class)) {
System.out.printf("Her is an autotrader %s\n", class_name);
AutoTraderInterface a = (AutoTraderInterface)MakeInstance(c);
if (a==null)
Object a = MakeInstance(c);
if (a == null) {
System.out.printf("Can't Instanciate: %s\n", class_name);
continue;
System.out.printf("AutoName: %s\n", a.getConfig().toString());
}
System.out.printf("Hava na Instance of %s\n", class_name);
// System.out.printf("AutoName: %s\n", a.getConfig().toString());
}
}
/* if (fn.toLowerCase().endsWith(".jar")) {
JarInputStream jarstream = null;
try {
File jarfile = new File(fn);
jarstream = new JarInputStream(new FileInputStream(jarfile));
JarEntry jarentry;
while ((jarentry = jarstream.getNextJarEntry()) != null) {
if (jarentry.getName().endsWith(".class")) {
Class<?> cls;
cls = localClass(fn, "/" + jarentry.getName());
if (cls != null) {
}
}
}
} catch (IOException ex) {
} finally {
try {
jarstream.close();
} catch (IOException ex) {
java.util.logging.Logger.getLogger(AutoTraderLoader.class.getName()).log(Level.SEVERE, null, ex);
}
}
}
*/
}
//System.exit(0);
// System.exit(0);
}
}