[CJ-dev] commonjava-projects/commonjava-config/src/java/org/commonjava/config/snapin StackedSnapInContainer.java,NONE,1.1 SnapInContainerLoader.java,1.2,1.3 GenericSnapInContainerLoader.java,1.2,1.3

[<joh...@co...>]

Update of /cvsroot/commonjava/commonjava-projects/commonjava-config/src/java/org/commonjava/config/snapin
In directory sc8-pr-cvs1.sourceforge.net:/tmp/cvs-serv26323/src/java/org/commonjava/config/snapin

Modified Files:
	SnapInContainerLoader.java GenericSnapInContainerLoader.java 
Added Files:
	StackedSnapInContainer.java 
Log Message:
updated documentation in project.xml files, and added functionality to:

Console:
- provide convenient way to prompt the user for more information

Config:
- Provide snap-in container stacking, or scoping
- Provide a JBoss service implementation of a snap-in container

Probably other things, but I don't honestly remember everything...

--- NEW FILE: StackedSnapInContainer.java ---
/* Created on Jan 8, 2004 */
package org.commonjava.config.snapin;

import java.util.Iterator;
import java.util.LinkedList;

/**
 * @author jdcasey
 */
public class StackedSnapInContainer implements SnapInContainer
{
  
  private LinkedList containerStack = new LinkedList();

  /**
   * 
   */
  public StackedSnapInContainer()
  {
  }
  
  public synchronized void prepend(SnapInContainer container){
    containerStack.addFirst(container);
  }
  
  public synchronized void append(SnapInContainer container){
    containerStack.addLast(container);
  }
  
  public synchronized void remove(SnapInContainer container){
    containerStack.remove(container);
  }

  public synchronized ConfigSnapIn getSnapIn(String snapInId) {
    ConfigSnapIn snapIn = null;
    for (Iterator it = containerStack.iterator(); it.hasNext();) {
      SnapInContainer container = (SnapInContainer)it.next();
      snapIn = (ConfigSnapIn)container.getSnapIn(snapInId);
      
      if(snapIn != null){
        // Use the first snap-in matching this id.
        break;
      }
    }
    
    return snapIn;
  }

  public synchronized void addSnapIn(ConfigSnapIn snapIn) {
    SnapInContainer firstContainer = (SnapInContainer)containerStack.getFirst();
    if(firstContainer == null){
      firstContainer = new GenericSnapInContainer();
      containerStack.addFirst(firstContainer);
    }
    firstContainer.addSnapIn(snapIn);
  }

}

Index: SnapInContainerLoader.java
===================================================================
RCS file: /cvsroot/commonjava/commonjava-projects/commonjava-config/src/java/org/commonjava/config/snapin/SnapInContainerLoader.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- SnapInContainerLoader.java	16 Jan 2004 02:20:26 -0000	1.2
+++ SnapInContainerLoader.java	18 Feb 2004 06:11:00 -0000	1.3
@@ -14,7 +14,7 @@
   
   private static SnapInContainer container;
 
-  protected abstract SnapInContainer loadSnapInContainer() throws SnapInLoaderException;
+  public abstract SnapInContainer loadSnapInContainer() throws SnapInLoaderException;
   
   public static SnapInContainer getSnapInContainer() throws SnapInLoaderException{
     synchronized(SnapInContainer.class){

Index: GenericSnapInContainerLoader.java
===================================================================
RCS file: /cvsroot/commonjava/commonjava-projects/commonjava-config/src/java/org/commonjava/config/snapin/GenericSnapInContainerLoader.java,v
retrieving revision 1.2
retrieving revision 1.3
diff -u -d -r1.2 -r1.3
--- GenericSnapInContainerLoader.java	16 Jan 2004 02:20:26 -0000	1.2
+++ GenericSnapInContainerLoader.java	18 Feb 2004 06:11:00 -0000	1.3
@@ -8,7 +8,7 @@
 /**
  * @author jdcasey
  */
-final class GenericSnapInContainerLoader extends SnapInContainerLoader
+public final class GenericSnapInContainerLoader extends SnapInContainerLoader
 {
   
   private static final String DEFAULT_LOCATION = "cprs:///configuration.xml";
@@ -21,11 +21,11 @@
   {
   }
   
-  static SnapInContainerLoader getInstance(){
+  public static SnapInContainerLoader getInstance(){
     return INSTANCE;
   }
   
-  protected SnapInContainer loadSnapInContainer() throws SnapInLoaderException{
+  public SnapInContainer loadSnapInContainer() throws SnapInLoaderException{
     String location = System.getProperty(SnapInContainerLoader.LOCATION_SYSPROP, DEFAULT_LOCATION);
     
     try{