Index: src/java/com/shelter/eclipse/plugin/ivy/classpath/IvyClasspathContainerInitializer.java
===================================================================
--- src/java/com/shelter/eclipse/plugin/ivy/classpath/IvyClasspathContainerInitializer.java	(revision 0)
+++ src/java/com/shelter/eclipse/plugin/ivy/classpath/IvyClasspathContainerInitializer.java	(revision 0)
@@ -0,0 +1,118 @@
+package com.shelter.eclipse.plugin.ivy.classpath;
+
+import java.util.HashMap;
+import java.util.Map;
+
+import org.eclipse.core.runtime.CoreException;
+import org.eclipse.core.runtime.IPath;
+import org.eclipse.core.runtime.NullProgressMonitor;
+import org.eclipse.core.runtime.Path;
+import org.eclipse.jdt.core.ClasspathContainerInitializer;
+import org.eclipse.jdt.core.IClasspathContainer;
+import org.eclipse.jdt.core.IJavaProject;
+import org.eclipse.jdt.core.JavaCore;
+import org.eclipse.jdt.core.JavaModelException;
+
+/**
+ * @since November 15, 2007
+ * @author Jon Schneider
+ */
+public class IvyClasspathContainerInitializer extends
+      ClasspathContainerInitializer
+{
+//   private final String containerId = "com.shelter.eclipse.plugin.ivy.IvyPlugin.IVY_CLASSPATH_CONTAINER";
+   private final String inheritedContainerId = "com.shelter.eclipse.plugin.ivy.IvyPlugin.IVY_INHERITED_CLASSPATH_CONTAINER";
+    
+   private final static Map/*<ProjectContainerPath, ProjectContainerPath>*/ INITIALIZED = new HashMap/*<ProjectContainerPath, ProjectContainerPath>*/();
+
+   /**
+    * @see org.eclipse.jdt.core.ClasspathContainerInitializer#canUpdateClasspathContainer(org.eclipse.core.runtime.IPath,
+    *      org.eclipse.jdt.core.IJavaProject)
+    */
+   public boolean canUpdateClasspathContainer(IPath path, IJavaProject project)
+   {
+      return true;
+   }
+
+   /**
+    * @see org.eclipse.jdt.core.ClasspathContainerInitializer#initialize(org.eclipse.core.runtime.IPath,
+    *      org.eclipse.jdt.core.IJavaProject)
+    */
+   public void initialize(IPath path, IJavaProject project)
+         throws CoreException
+   {
+      ProjectContainerPath containerPath = new ProjectContainerPath(path,
+            project);
+
+      if (!INITIALIZED.containsKey(containerPath))
+      {
+         boolean isInheritedContainer = path.equals(new Path(
+               inheritedContainerId));
+         
+         try
+         {
+            IClasspathContainer existingContainer = JavaCore
+                  .getClasspathContainer(path, project);
+            IvyClasspathContainer newContainer = null;
+
+            if (existingContainer == null)
+            {
+               newContainer = new IvyClasspathContainer(isInheritedContainer);
+            }
+            else
+            {
+               newContainer = new IvyClasspathContainer(path, existingContainer
+                     .getClasspathEntries(), isInheritedContainer);
+            }
+
+            JavaCore.setClasspathContainer(path,
+                  new IJavaProject[] { project },
+                  new IClasspathContainer[] { newContainer },
+                  new NullProgressMonitor());
+
+            INITIALIZED.put(containerPath, containerPath);
+
+         }
+         catch (JavaModelException e)
+         {      
+             System.out.println(e);
+         }
+      }
+   }
+
+   private static class ProjectContainerPath
+   {
+      private final IPath _path;
+      private final IJavaProject _project;
+
+      public ProjectContainerPath(IPath path, IJavaProject project)
+      {
+         _path = path;
+         _project = project;
+      }
+
+      /**
+       * @see java.lang.Object#hashCode()
+       */
+      public int hashCode()
+      {
+         return _path.hashCode() + _project.hashCode();
+      }
+
+      /**
+       * @see java.lang.Object#equals(java.lang.Object)
+       */
+      public boolean equals(Object o)
+      {
+         if (o instanceof ProjectContainerPath)
+         {
+            ProjectContainerPath thatContainerPath = (ProjectContainerPath) o;
+
+            return thatContainerPath._path.equals(_path)
+                  && thatContainerPath._project.equals(_project);
+         }
+
+         return false;
+      }
+   }
+}