improve plugin management

scm-web-api/src/main/java/sonia/scm/web/plugin/ClasspathWebResource.java

@@ -5,7 +5,7 @@
 
 
 
-package sonia.scm.web;
+package sonia.scm.web.plugin;
 
 //~--- JDK imports ------------------------------------------------------------
 

scm-web-api/src/main/java/sonia/scm/web/plugin/SCMPlugin.java

@@ -0,0 +1,145 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.web.plugin;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import sonia.scm.repository.RepositoryHandler;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.util.Collection;
+import java.util.HashSet;
+import java.util.Set;
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import javax.xml.bind.annotation.XmlElement;
+import javax.xml.bind.annotation.XmlElementWrapper;
+import javax.xml.bind.annotation.XmlRootElement;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@XmlRootElement(name = "plugin-config")
+@XmlAccessorType(XmlAccessType.FIELD)
+public class SCMPlugin
+{
+
+  /**
+   * Constructs ...
+   *
+   */
+  public SCMPlugin()
+  {
+    handlers = new HashSet<Class<? extends RepositoryHandler>>();
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param handlerClass
+   *
+   * @return
+   */
+  public boolean addHandler(Class<? extends RepositoryHandler> handlerClass)
+  {
+    return handlers.add(handlerClass);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param handlerClass
+   *
+   * @return
+   */
+  public boolean removeHandler(Class<? extends RepositoryHandler> handlerClass)
+  {
+    return handlers.remove(handlerClass);
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Collection<Class<? extends RepositoryHandler>> getHandlers()
+  {
+    return handlers;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public SecurityConfig getSecurityConfig()
+  {
+    return securityConfig;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Class<? extends ScmWebPlugin> getWebPlugin()
+  {
+    return webPlugin;
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param securityConfig
+   */
+  public void setSecurityConfig(SecurityConfig securityConfig)
+  {
+    this.securityConfig = securityConfig;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param webPlugin
+   */
+  public void setWebPlugin(Class<? extends ScmWebPlugin> webPlugin)
+  {
+    this.webPlugin = webPlugin;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  @XmlElementWrapper(name = "repository-handlers")
+  @XmlElement(name = "repository-handler")
+  private Set<Class<? extends RepositoryHandler>> handlers;
+
+  /** Field description */
+  @XmlElement(name = "security")
+  private SecurityConfig securityConfig;
+
+  /** Field description */
+  @XmlElement(name = "web-plugin")
+  private Class<? extends ScmWebPlugin> webPlugin;
+}

scm-web-api/src/main/java/sonia/scm/web/plugin/SCMPluginManager.java

@@ -0,0 +1,128 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.web.plugin;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import java.io.IOException;
+
+import java.net.URL;
+
+import java.util.Enumeration;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+import javax.xml.bind.JAXB;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+public class SCMPluginManager
+{
+
+  /** Field description */
+  public static final String PATH_PLUGINCONFIG = "META-INF/scm/plugin.xml";
+
+  /** Field description */
+  private static final Logger logger =
+    LoggerFactory.getLogger(SCMPluginManager.class);
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @throws IOException
+   */
+  public void load() throws IOException
+  {
+    ClassLoader classLoader = Thread.currentThread().getContextClassLoader();
+
+    if (classLoader == null)
+    {
+      classLoader = SCMPluginManager.class.getClassLoader();
+    }
+
+    load(classLoader);
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param classLoader
+   *
+   * @throws IOException
+   */
+  public void load(ClassLoader classLoader) throws IOException
+  {
+    Enumeration<URL> urlEnum = classLoader.getResources(PATH_PLUGINCONFIG);
+
+    if (urlEnum != null)
+    {
+      while (urlEnum.hasMoreElements())
+      {
+        URL url = urlEnum.nextElement();
+
+        loadPlugin(url);
+      }
+    }
+  }
+
+  //~--- get methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Set<SCMPlugin> getPlugins()
+  {
+    return plugins;
+  }
+
+  //~--- methods --------------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param url
+   */
+  private void loadPlugin(URL url)
+  {
+    try
+    {
+      SCMPlugin plugin = JAXB.unmarshal(url, SCMPlugin.class);
+
+      if (logger.isInfoEnabled())
+      {
+        logger.info("load plugin {}", url.toExternalForm());
+      }
+
+      plugins.add(plugin);
+    }
+    catch (Exception ex)
+    {
+      logger.error(ex.getMessage(), ex);
+    }
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  private Set<SCMPlugin> plugins = new LinkedHashSet<SCMPlugin>();
+}

scm-web-api/src/main/java/sonia/scm/web/plugin/ScmWebPlugin.java

@@ -5,7 +5,7 @@
 
 
 
-package sonia.scm.web;
+package sonia.scm.web.plugin;
 
 /**
  *

scm-web-api/src/main/java/sonia/scm/web/plugin/ScmWebPluginContext.java

@@ -5,7 +5,7 @@
 
 
 
-package sonia.scm.web;
+package sonia.scm.web.plugin;
 
 //~--- non-JDK imports --------------------------------------------------------
 

scm-web-api/src/main/java/sonia/scm/web/plugin/SecurityConfig.java

@@ -0,0 +1,85 @@
+/*
+ * To change this template, choose Tools | Templates
+ * and open the template in the editor.
+ */
+
+
+
+package sonia.scm.web.plugin;
+
+//~--- non-JDK imports --------------------------------------------------------
+
+import javax.xml.bind.annotation.XmlAccessType;
+import javax.xml.bind.annotation.XmlAccessorType;
+import sonia.scm.security.EncryptionHandler;
+import sonia.scm.web.security.Authenticator;
+
+//~--- JDK imports ------------------------------------------------------------
+
+import javax.xml.bind.annotation.XmlElement;
+
+/**
+ *
+ * @author Sebastian Sdorra
+ */
+@XmlAccessorType(XmlAccessType.FIELD)
+public class SecurityConfig
+{
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Class<? extends Authenticator> getAuthenticator()
+  {
+    return authenticator;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @return
+   */
+  public Class<? extends EncryptionHandler> getEncryptionHandler()
+  {
+    return encryptionHandler;
+  }
+
+  //~--- set methods ----------------------------------------------------------
+
+  /**
+   * Method description
+   *
+   *
+   * @param authenticator
+   */
+  public void setAuthenticator(Class<? extends Authenticator> authenticator)
+  {
+    this.authenticator = authenticator;
+  }
+
+  /**
+   * Method description
+   *
+   *
+   * @param encryptionHandler
+   */
+  public void setEncryptionHandler(
+          Class<? extends EncryptionHandler> encryptionHandler)
+  {
+    this.encryptionHandler = encryptionHandler;
+  }
+
+  //~--- fields ---------------------------------------------------------------
+
+  /** Field description */
+  @XmlElement(name = "authenticator")
+  private Class<? extends Authenticator> authenticator;
+
+  /** Field description */
+  @XmlElement(name = "encryption-handler")
+  private Class<? extends EncryptionHandler> encryptionHandler;
+}

scm-web-api/src/main/java/sonia/scm/web/plugin/WebResource.java

@@ -5,7 +5,7 @@
 
 
 
-package sonia.scm.web;
+package sonia.scm.web.plugin;
 
 //~--- JDK imports ------------------------------------------------------------