svn commit: r769475 - /ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java

[jaz-3]

Author: jaz
Date: Tue Apr 28 17:32:16 2009
New Revision: 769475

URL: http://svn.apache.org/viewvc?rev=769475&view=rev
Log:
refactored Authorization resolver to use the AbstractResolver superclass

Modified:
    ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java

Modified: ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java
URL: http://svn.apache.org/viewvc/ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java?rev=769475&r1=769474&r2=769475&view=diff
==============================================================================
--- ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java (original)
+++ ofbiz/trunk/framework/common/src/org/ofbiz/common/authentication/AuthInterfaceResolver.java Tue Apr 28 17:32:16 2009
@@ -19,20 +19,10 @@
 
 package org.ofbiz.common.authentication;
 
-import java.util.List;
 import java.util.ArrayList;
-import java.util.Enumeration;
-import java.util.jar.JarEntry;
-import java.util.jar.JarInputStream;
-import java.net.URL;
-import java.net.URLDecoder;
-import java.io.IOException;
-import java.io.File;
-import java.io.FileInputStream;
-import java.security.AccessController;
-import java.security.PrivilegedAction;
+import java.util.List;
 
-import org.ofbiz.base.util.Debug;
+import org.ofbiz.base.util.AbstractResolver;
 import org.ofbiz.common.authentication.api.Authenticator;
 
 /**
@@ -40,134 +30,23 @@
  *
  * Discovers implementations of Authenticator on the class path (implementations must be in org.ofbiz.* package)
  */
-public class AuthInterfaceResolver {
+public class AuthInterfaceResolver extends AbstractResolver {
 
-    private static final String module = AuthInterfaceResolver.class.getName();
+    @SuppressWarnings("unchecked")
     protected List<Class> authenticators = new ArrayList<Class>();
-    protected ClassLoader loader;
+    
 
     public AuthInterfaceResolver() {
-        loader = getContextClassLoader();
+        super();
     }
 
+    @SuppressWarnings("unchecked")
     public List<Class> getImplementations() {
         find("org.ofbiz");
         return authenticators;
     }
 
-    protected void find(String packageName) {
-        packageName = packageName.replace('.', '/');
-        Enumeration<URL> urls;
-
-        try {
-            urls = loader.getResources(packageName);
-        }
-        catch (IOException io) {
-            Debug.logWarning(io, "Could not read package: " + packageName, module);
-            return;
-        }
-
-        while (urls.hasMoreElements()) {
-            try {
-                String urlPath = urls.nextElement().getFile();
-                urlPath = URLDecoder.decode(urlPath, "UTF-8");
-                if (Debug.verboseOn())
-                    Debug.logVerbose("Found library file [" + urlPath + "]", module);
-
-                if (urlPath.startsWith("file:")) {
-                    urlPath = urlPath.substring(5);
-                }
-
-                if (urlPath.indexOf('!') > 0) {
-                    urlPath = urlPath.substring(0, urlPath.indexOf('!'));
-                }
-
-                if (Debug.verboseOn())
-                    Debug.logVerbose("Scanning for classes in [" + urlPath + "]", module);
-
-                File file = new File(urlPath);
-                if (file.isDirectory()) {
-                    readDirectory(packageName, file);
-                } else {
-                    readJar(packageName, file);
-                }
-            }
-            catch (IOException io) {
-                Debug.logError(io, "Could not read resource entries", module);
-            }
-        }
-    }
-
-    protected void readDirectory(String parent, File location) {
-        File[] files = location.listFiles();
-        StringBuffer buf;
-
-        if (files == null) {
-            Debug.logWarning("Could not list directory " + location.getAbsolutePath() + " when looking for component classes", module);
-            return;
-        }
-
-        for (File file : files) {
-            buf = new StringBuffer();
-            buf.append(parent);
-            if (buf.length() > 0)
-                buf.append("/");
-            buf.append(file.getName());
-            String packageOrClass = (parent == null ? file.getName() : buf.toString());
-
-            if (file.isDirectory()) {
-                readDirectory(packageOrClass, file);
-            } else if (file.getName().endsWith(".class")) {
-                checkFile(packageOrClass);
-            }
-        }
-    }
-
-    protected void readJar(String parent, File jarfile) {
-        try {
-            JarEntry entry;
-            JarInputStream jarStream = new JarInputStream(new FileInputStream(jarfile));
-
-            while ((entry = jarStream.getNextJarEntry()) != null) {
-                String name = entry.getName();
-                if (!entry.isDirectory() && name.startsWith(parent) && name.endsWith(".class")) {
-                    checkFile(name);
-                }
-            }
-        }
-        catch (IOException io) {
-            Debug.logError(io, "Could not search jar file [" + jarfile + "]", module);
-        }
-    }
-
-    protected void checkFile(String name) {
-        String externalName = name.substring(0, name.indexOf('.')).replace('/', '.');
-        if (Debug.verboseOn())
-            Debug.logVerbose("Converted file value [" + name + "] to class [" + externalName + "]", module);
-        try {
-            resolveClass(loader.loadClass(externalName));
-        } catch (ClassNotFoundException e) {
-            Debug.logWarning("No class found - " + externalName, module);
-        }
-    }
-
-    protected ClassLoader getContextClassLoader() {
-        return AccessController.doPrivileged(
-                new PrivilegedAction<ClassLoader>() {
-                    public ClassLoader run() {
-                        ClassLoader cl = null;
-                        try {
-                            cl = Thread.currentThread().getContextClassLoader();
-
-                        } catch (SecurityException e) {
-                            Debug.logError(e, e.getMessage(), module);
-                        }
-                        return cl;
-                    }
-                });
-    }
-
-
+    @SuppressWarnings("unchecked")
     public void resolveClass(Class clazz) {
         Class[] ifaces = clazz.getInterfaces();
         for (Class iface : ifaces) {