Mercurial > hg > graal-compiler
view test/runtime/6626217/Loader2.java @ 3095:d3d00c1ea071
IdealGraphVisualizer: Enhance text view so it can display arbitrary properties from the active graph's group. For diff graphs, it shows the textual difference between the property strings using the NetBeans Diff module.
author | Peter Hofer <peter.hofer@jku.at> |
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date | Wed, 29 Jun 2011 17:33:35 +0200 |
parents | 495caa35b1b5 |
children |
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import java.io.ByteArrayInputStream; import java.io.FileInputStream; public class Loader2 extends ClassLoader { int _recur; public void print( String msg ) { for( int i=0; i<_recur; i++ ) System.out.print(" "); System.out.println(">>Loader2>> "+msg); } protected Class findClass2(String name) throws ClassNotFoundException { print("Fetching the implementation of "+name); int old = _recur; try { FileInputStream fi = new FileInputStream(name+".impl2"); byte result[] = new byte[fi.available()]; fi.read(result); print("DefineClass1 on "+name); _recur++; Class clazz = defineClass(name, result, 0, result.length); _recur = old; print("Returning newly loaded class."); return clazz; } catch (Exception e) { _recur = old; print("Not found on disk."); // If we caught an exception, either the class was not found or // it was unreadable by our process. return null; //throw new ClassNotFoundException(e.toString()); } } protected synchronized Class loadClass(String name, boolean resolve) throws ClassNotFoundException { // Attempt a disk load first Class c = findClass2(name); if( c == null ) { // check if the class has already been loaded print("Checking for prior loaded class "+name); c = findLoadedClass(name); print("Letting super-loader load "+name); int old = _recur; _recur++; c = super.loadClass(name, false); _recur=old; } if (resolve) { print("Resolving class "+name); resolveClass(c); } print("Returning clazz "+c.getClassLoader()+":"+name); return c; } }