Examples of org.jboss.virtual.VFS.visit()

org.jboss.virtual.VFS.visit()
Visit the virtual file system from the root @param visitor the visitor @throws IOException for any problem accessing the VFS @throws IllegalArgumentException if the visitor is null @throws IllegalStateException if the root is a leaf node

      MockVFSContext context = registerSimpleVFSContext();
      
      VFS vfs = VFS.getVFS(context.getRootURI());
      MockVirtualFileFilter filter = new MockVirtualFileFilter();
      FilterVirtualFileVisitor visitor = new FilterVirtualFileVisitor(filter);
      vfs.visit(visitor);
      List<VirtualFile> matched = visitor.getMatched();
      assertNotNull(matched);
      assertEmpty(matched);
   }

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      MockVFSContext context = registerSimpleVFSContextWithChildren();
      
      VFS vfs = VFS.getVFS(context.getRootURI());
      try
      {
         vfs.visit(null);
         fail("Should not be here!");
      }
      catch (Throwable t)
      {
         checkThrowable(IllegalArgumentException.class, t);

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      VFS vfs = VFS.getVFS(context.getRootURI());
      MockVirtualFileFilter filter = new MockVirtualFileFilter();
      FilterVirtualFileVisitor visitor = new FilterVirtualFileVisitor(filter);
      try
      {
         vfs.visit(visitor);
         fail("Should not be here!");
      }
      catch (Throwable t)
      {
         checkThrowable(IOException.class, t);

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   }
   
   protected void testVisit(MockVFSContext context, MockVirtualFileVisitor visitor, HashSet<String> expected) throws Exception
   {
      VFS vfs = context.getVFS();
      vfs.visit(visitor);
      
      HashSet<String> actual = new HashSet<String>();
      for (VirtualFile file : visitor.getVisited())
         actual.add(file.getPathName());
      assertEquals(expected, actual);

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