added BootstrapFilter and BootstrapListener

scm-webapp/src/main/java/sonia/scm/BindingExtensionProcessor.java

@@ -47,7 +47,6 @@ import sonia.scm.plugin.ext.ExtensionProcessor;
 import sonia.scm.repository.RepositoryHandler;
 import sonia.scm.security.EncryptionHandler;
 import sonia.scm.web.security.AuthenticationHandler;
-import sonia.scm.web.security.AuthenticationManager;
 import sonia.scm.web.security.XmlAuthenticationHandler;
 
 //~--- JDK imports ------------------------------------------------------------
@@ -119,7 +118,8 @@ public class BindingExtensionProcessor implements ExtensionProcessor
         {
           if (logger.isInfoEnabled())
           {
-            logger.info("bind AuthenticationHandler {}", extensionClass.getName());
+            logger.info("bind AuthenticationHandler {}",
+                        extensionClass.getName());
           }
 
           binder.bind(extensionClass);

scm-webapp/src/main/java/sonia/scm/ScmContextListener.java

@@ -59,7 +59,7 @@ import javax.servlet.ServletContextEvent;
  *
  * @author Sebastian Sdorra
  */
-public class ContextListener extends GuiceServletContextListener
+public class ScmContextListener extends GuiceServletContextListener
 {
 
   /**

scm-webapp/src/main/java/sonia/scm/boot/BootstrapFilter.java

@@ -0,0 +1,144 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.boot;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+
+import javax.servlet.Filter;
+import javax.servlet.FilterChain;
+import javax.servlet.FilterConfig;
+import javax.servlet.ServletException;
+import javax.servlet.ServletRequest;
+import javax.servlet.ServletResponse;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class BootstrapFilter implements Filter
+{
+
+  /** Field description */
+  public static final String FILTER = "com.google.inject.servlet.GuiceFilter";
+
+  /** the logger for BootstrapFilter */
+  private static final Logger logger =
+    LoggerFactory.getLogger(BootstrapFilter.class);
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   */
+  @Override
+  public void destroy()
+  {
+    if (classLoader != null)
+    {
+      Thread.currentThread().setContextClassLoader(classLoader);
+    }
+
+    guiceFilter.destroy();
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param request
+   * @param response
+   * @param chain
+   *
+   * @throws IOException
+   * @throws ServletException
+   */
+  @Override
+  public void doFilter(ServletRequest request, ServletResponse response,
+                       FilterChain chain)
+          throws IOException, ServletException
+  {
+    if (classLoader != null)
+    {
+      Thread.currentThread().setContextClassLoader(classLoader);
+    }
+
+    guiceFilter.doFilter(request, response, chain);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param filterConfig
+   *
+   * @throws ServletException
+   */
+  @Override
+  public void init(FilterConfig filterConfig) throws ServletException
+  {
+    classLoader =
+      BootstrapUtil.getClassLoader(filterConfig.getServletContext());
+
+    if (classLoader != null)
+    {
+      logger.info("loading GuiceFilter with ScmBootstrapClassLoader");
+      Thread.currentThread().setContextClassLoader(classLoader);
+      guiceFilter = BootstrapUtil.loadClass(classLoader, Filter.class, FILTER);
+    }
+
+    if (guiceFilter == null)
+    {
+      logger.info("fallback to default classloader for GuiceFilter");
+      guiceFilter = BootstrapUtil.loadClass(Filter.class, FILTER);
+    }
+
+    guiceFilter.init(filterConfig);
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private ClassLoader classLoader;
+
+  /** Field description */
+  private Filter guiceFilter;
+}

scm-webapp/src/main/java/sonia/scm/boot/BootstrapListener.java

@@ -0,0 +1,206 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.boot;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+import sonia.scm.SCMContext;
+import sonia.scm.util.Util;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.File;
+import java.io.FilenameFilter;
+import java.io.IOException;
+
+import java.net.URL;
+import java.net.URLClassLoader;
+
+import javax.servlet.ServletContextEvent;
+import javax.servlet.ServletContextListener;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class BootstrapListener implements ServletContextListener
+{
+
+  /** Field description */
+  public static final String LISTENER = "sonia.scm.ScmContextListener";
+
+  /** Field description */
+  public static final String PLUGIN_DIRECTORY = "plugins";
+
+  /** the logger for BootstrapListener */
+  private static final Logger logger =
+    LoggerFactory.getLogger(BootstrapListener.class);
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param sce
+   */
+  @Override
+  public void contextDestroyed(ServletContextEvent sce)
+  {
+    if (scmContextListener != null)
+    {
+      scmContextListener.contextDestroyed(sce);
+    }
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param sce
+   */
+  @Override
+  public void contextInitialized(ServletContextEvent sce)
+  {
+    ClassLoader classLoader = null;
+    File pluginDirectory = new File(SCMContext.getContext().getBaseDirectory(),
+                                    PLUGIN_DIRECTORY);
+
+    if (pluginDirectory.exists())
+    {
+      try
+      {
+        File[] jarFiles = pluginDirectory.listFiles(new JarFilenameFilter());
+
+        if (Util.isNotEmpty(jarFiles))
+        {
+          int size = jarFiles.length;
+          URL[] urls = new URL[size];
+
+          for (int i = 0; i < size; i++)
+          {
+            urls[i] = jarFiles[i].toURI().toURL();
+
+            if (logger.isDebugEnabled())
+            {
+              logger.debug("added jar {} to classpath",
+                           urls[i].toExternalForm());
+            }
+          }
+
+          classLoader = new URLClassLoader(urls, getParentClassLoader());
+        }
+      }
+      catch (IOException ex)
+      {
+        logger.error(ex.getMessage(), ex);
+      }
+    }
+
+    if (classLoader != null)
+    {
+      logger.info("try to use ScmBootstrapClassLoader");
+      scmContextListener = BootstrapUtil.loadClass(classLoader,
+              ServletContextListener.class, LISTENER);
+      Thread.currentThread().setContextClassLoader(classLoader);
+      BootstrapUtil.setClassLoader(sce.getServletContext(), classLoader);
+    }
+
+    if (scmContextListener == null)
+    {
+      logger.warn("fallback to default classloader");
+      scmContextListener =
+        BootstrapUtil.loadClass(ServletContextListener.class, LISTENER);
+    }
+
+    scmContextListener.contextInitialized(sce);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  private ClassLoader getParentClassLoader()
+  {
+    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+
+    if (classLoader == null)
+    {
+      classLoader = BootstrapListener.class.getClassLoader();
+    }
+
+    return classLoader;
+  }
+
+  //~--- inner classes --------------------------------------------------------
+
+  /**
+   * Class description
+   *
+   *
+   * @version        Enter version here..., 2010-12-09
+   * @author         Sebastian Sdorra
+   */
+  private static class JarFilenameFilter implements FilenameFilter
+  {
+
+    /**
+     * Method description
+     *
+     *
+     * @param file
+     * @param name
+     *
+     * @return
+     */
+    @Override
+    public boolean accept(File file, String name)
+    {
+      return name.endsWith(".jar");
+    }
+  }
+
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private ServletContextListener scmContextListener;
+}

scm-webapp/src/main/java/sonia/scm/boot/BootstrapUtil.java

@@ -0,0 +1,171 @@
+/**
+ * Copyright (c) 2010, Sebastian Sdorra
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright notice,
+ *    this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright notice,
+ *    this list of conditions and the following disclaimer in the documentation
+ *    and/or other materials provided with the distribution.
+ * 3. Neither the name of SCM-Manager; nor the names of its
+ *    contributors may be used to endorse or promote products derived from this
+ *    software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+ * DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE FOR ANY
+ * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+ * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+ * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ * http://bitbucket.org/sdorra/scm-manager
+ *
+ */
+
+
+
+package sonia.scm.boot;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import javax.servlet.ServletContext;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class BootstrapUtil
+{
+
+  /** Field description */
+  public static final String CLASSLOADER = "sonia.scm.BoostrapClassLoader";
+
+  /** the logger for BootstrapUtil */
+  private static final Logger logger =
+    LoggerFactory.getLogger(BootstrapUtil.class);
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param classLoader
+   * @param clazz
+   * @param <T>
+   *
+   * @return
+   */
+  public static <T> T loadClass(ClassLoader classLoader, Class<T> clazz)
+  {
+    T instance = null;
+
+    try
+    {
+      instance = (T) classLoader.loadClass(clazz.getName()).newInstance();
+    }
+    catch (Exception ex)
+    {
+      logger.error(ex.getMessage(), ex);
+    }
+
+    return instance;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param classLoader
+   * @param clazz
+   * @param className
+   * @param <T>
+   *
+   * @return
+   */
+  public static <T> T loadClass(ClassLoader classLoader, Class<T> clazz,
+                                String className)
+  {
+    T instance = null;
+
+    try
+    {
+      instance = (T) classLoader.loadClass(className).newInstance();
+    }
+    catch (Exception ex)
+    {
+      logger.error(ex.getMessage(), ex);
+    }
+
+    return instance;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   *
+   * @param clazz
+   * @param className
+   * @param <T>
+   *
+   * @return
+   */
+  public static <T> T loadClass(Class<T> clazz, String className)
+  {
+    T instance = null;
+
+    try
+    {
+      instance = (T) Class.forName(className).newInstance();
+    }
+    catch (Exception ex)
+    {
+      logger.error(ex.getMessage(), ex);
+    }
+
+    return instance;
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   *
+   * @return
+   */
+  public static ClassLoader getClassLoader(ServletContext context)
+  {
+    return (ClassLoader) context.getAttribute(CLASSLOADER);
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param context
+   * @param classLoader
+   */
+  public static void setClassLoader(ServletContext context,
+                                    ClassLoader classLoader)
+  {
+    context.setAttribute(CLASSLOADER, classLoader);
+  }
+}

scm-webapp/src/main/java/sonia/scm/plugin/ScriptResourceServlet.java

@@ -38,6 +38,7 @@ package sonia.scm.plugin;
 import com.google.inject.Inject;
 import com.google.inject.Singleton;
 
+import sonia.scm.boot.BootstrapUtil;
 import sonia.scm.util.IOUtil;
 import sonia.scm.util.Util;
 
@@ -140,7 +141,7 @@ public class ScriptResourceServlet extends AbstractResourceServlet
   private void appendResource(OutputStream stream, String script)
           throws ServletException, IOException
   {
-    InputStream input = ScriptResourceServlet.class.getResourceAsStream(script);
+    InputStream input = getResourceAsStream(script);
 
     if (input != null)
     {
@@ -179,6 +180,39 @@ public class ScriptResourceServlet extends AbstractResourceServlet
 
   //~--- get methods ----------------------------------------------------------
 
+  /**
+   * Method description
+   *
+   *
+   * @param resource
+   *
+   * @return
+   */
+  private InputStream getResourceAsStream(String resource)
+  {
+    InputStream input = null;
+    ClassLoader classLoader = BootstrapUtil.getClassLoader(getServletContext());
+
+    if (classLoader != null)
+    {
+      String classLoaderResource = resource;
+
+      if (classLoaderResource.startsWith("/"))
+      {
+        classLoaderResource = classLoaderResource.substring(1);
+      }
+
+      input = classLoader.getResourceAsStream(classLoaderResource);
+    }
+
+    if (input == null)
+    {
+      input = ScriptResourceServlet.class.getResourceAsStream(resource);
+    }
+
+    return input;
+  }
+
   /**
    * Method description
    *