[jboss-cvs] jboss-seam/examples/spring/src/org/jboss/seam/ioc/microcontainer ...

[Ales Justin]

  User: alesj   
  Date: 07/02/09 12:37:18

  Added:       examples/spring/src/org/jboss/seam/ioc/microcontainer  
                        SeamComponentRegistryPlugin.java
                        MicrocontainerComponent.java
  Log:
  Added youngm's Spring code + my initial MC code (need to write scopes first in MC in order to fully support integration with Seam).
  
  Revision  Changes    Path
  1.1      date: 2007/02/09 17:37:18;  author: alesj;  state: Exp;jboss-seam/examples/spring/src/org/jboss/seam/ioc/microcontainer/SeamComponentRegistryPlugin.java
  
  Index: SeamComponentRegistryPlugin.java
  ===================================================================
  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
  package org.jboss.seam.ioc.microcontainer;
  
  import java.util.regex.Pattern;
  import java.util.regex.Matcher;
  
  import org.jboss.kernel.plugins.registry.AbstractKernelRegistryEntry;
  import org.jboss.kernel.spi.registry.KernelRegistryEntry;
  import org.jboss.kernel.spi.registry.KernelRegistryPlugin;
  import org.jboss.seam.Component;
  import org.jboss.seam.ScopeType;
  
  /**
   * Do a Seam component lookup for MC beans.
   * Lookup name can be a class or simple string.
   * With string you can determine scopeType and create param:
   *  * name=somename;create=false;scope=SESSION 
   *
   * We can add some xml + XB binding code to make Seam --> MC
   * more informative - with create and scope as attributes.
   *
   * @author <a href="mailto:ales.justin at jboss.com">Ales Justin</a>
   */
  public class SeamComponentRegistryPlugin implements KernelRegistryPlugin
  {
     private static Pattern SCOPE = Pattern.compile(";scope=([a-zA-Z]+)");
     private static Pattern CREATE = Pattern.compile(";create=(true|false)");
  
     public KernelRegistryEntry getEntry(Object object)
     {
        String componentName = object.toString();
        Object component;
        if (object instanceof Class)
        {
           component = Component.getInstance((Class<?>)object);
        }
        else
        {
           // scope and create
           Boolean create = parseCreate(componentName);
           ScopeType scopeType = parseScopeType(componentName);
           // shorter name?
           int p = componentName.indexOf(";");
           if (p > 0)
              componentName = componentName.substring(p);
           // register component
           if (scopeType != null)
           {
              component = Component.getInstance(componentName, scopeType, create);
           }
           else
           {
              component = Component.getInstance(componentName, create);
           }
        }
        return new AbstractKernelRegistryEntry(componentName, component);
     }
  
     protected static Boolean parseCreate(String name)
     {
        Boolean create = Boolean.TRUE;
        Matcher createMatcher = CREATE.matcher(name);
        if (createMatcher.find())
        {
           create = Boolean.parseBoolean(createMatcher.group(1));
        }
        return create;
     }
  
     protected static ScopeType parseScopeType(String name)
     {
        ScopeType scopeType = null;
        Matcher scopeMatcher = SCOPE.matcher(name);
        if (scopeMatcher.find())
        {
           scopeType = ScopeType.valueOf(scopeMatcher.group(1));
        }
        return scopeType;
     }
  
  }
  
  
  
  1.1      date: 2007/02/09 17:37:18;  author: alesj;  state: Exp;jboss-seam/examples/spring/src/org/jboss/seam/ioc/microcontainer/MicrocontainerComponent.java
  
  Index: MicrocontainerComponent.java
  ===================================================================
  /*
  * JBoss, Home of Professional Open Source
  * Copyright 2006, JBoss Inc., and individual contributors as indicated
  * by the @authors tag. See the copyright.txt in the distribution for a
  * full listing of individual contributors.
  *
  * This is free software; you can redistribute it and/or modify it
  * under the terms of the GNU Lesser General Public License as
  * published by the Free Software Foundation; either version 2.1 of
  * the License, or (at your option) any later version.
  *
  * This software is distributed in the hope that it will be useful,
  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
  * Lesser General Public License for more details.
  *
  * You should have received a copy of the GNU Lesser General Public
  * License along with this software; if not, write to the Free
  * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
  * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
  */
  package org.jboss.seam.ioc.microcontainer;
  
  import org.jboss.seam.ioc.IoCComponent;
  import org.jboss.seam.ScopeType;
  import org.jboss.dependency.spi.Controller;
  
  /**
   * @author <a href="mailto:ales.justin at jboss.com">Ales Justin</a>
   */
  public class MicrocontainerComponent extends IoCComponent
  {
     private Controller controller;
  
     public MicrocontainerComponent(Class clazz, String name, ScopeType scope, Controller controller)
     {
        super(clazz, name, scope);
        this.controller = controller;
     }
  
     protected String getIoCName()
     {
        return "Microcontainer";
     }
  
     protected Object instantiateIoCBean() throws Exception
     {
        return controller.getInstalledContext(getName()).getTarget();
     }
  
  }