remote/IOHandlerWrapper.java

   1 package org.argeo.jackrabbit.remote;
   2
   3 import java.io.IOException;
   4
   5 import org.apache.jackrabbit.server.io.ExportContext;
   6 import org.apache.jackrabbit.server.io.IOHandler;
   7 import org.apache.jackrabbit.server.io.IOManager;
   8 import org.apache.jackrabbit.server.io.ImportContext;
   9 import org.apache.jackrabbit.webdav.DavResource;
  10 import org.argeo.ArgeoException;
  11
  12 /** Wraps an IOHandler so that it can be injected a posteriori */
  13 public class IOHandlerWrapper implements IOHandler {
  14         private IOManager ioManager = null;
  15         private IOHandler ioHandler = null;
  16
  17         public void setIOHandler(IOHandler ioHandler) {
  18                 if ((this.ioHandler != null) && (ioHandler != null))
  19                         throw new ArgeoException(
  20                                         "There is already an IO Handler registered");
  21                 this.ioHandler = ioHandler;
  22                 if (ioManager != null && this.ioHandler != null)
  23                         ioHandler.setIOManager(ioManager);
  24         }
  25
  26         public IOHandler getIOHandler() {
  27                 return ioHandler;
  28         }
  29
  30         public IOManager getIOManager() {
  31                 return ioManager;
  32         }
  33
  34         public void setIOManager(IOManager ioManager) {
  35                 this.ioManager = ioManager;
  36                 if (ioHandler != null)
  37                         ioHandler.setIOManager(ioManager);
  38         }
  39
  40         public String getName() {
  41                 if (ioHandler != null)
  42                         return ioHandler.getName();
  43                 else
  44                         return "Empty IOHandler Wrapper";
  45         }
  46
  47         public boolean canImport(ImportContext context, boolean isCollection) {
  48                 if (ioHandler != null)
  49                         return ioHandler.canImport(context, isCollection);
  50                 return false;
  51         }
  52
  53         public boolean canImport(ImportContext context, DavResource resource) {
  54                 if (ioHandler != null)
  55                         return ioHandler.canImport(context, resource);
  56                 return false;
  57         }
  58
  59         public boolean importContent(ImportContext context, boolean isCollection)
  60                         throws IOException {
  61                 if (ioHandler != null)
  62                         ioHandler.importContent(context, isCollection);
  63                 return false;
  64         }
  65
  66         public boolean importContent(ImportContext context, DavResource resource)
  67                         throws IOException {
  68                 if (ioHandler != null)
  69                         ioHandler.importContent(context, resource);
  70                 return false;
  71         }
  72
  73         public boolean canExport(ExportContext context, boolean isCollection) {
  74                 if (ioHandler != null)
  75                         ioHandler.canExport(context, isCollection);
  76                 return false;
  77         }
  78
  79         public boolean canExport(ExportContext context, DavResource resource) {
  80                 if (ioHandler != null)
  81                         ioHandler.canExport(context, resource);
  82                 return false;
  83         }
  84
  85         public boolean exportContent(ExportContext context, boolean isCollection)
  86                         throws IOException {
  87                 if (ioHandler != null)
  88                         ioHandler.exportContent(context, isCollection);
  89                 return false;
  90         }
  91
  92         public boolean exportContent(ExportContext context, DavResource resource)
  93                         throws IOException {
  94                 if (ioHandler != null)
  95                         ioHandler.exportContent(context, resource);
  96                 return false;
  97         }
  98
  99 }