org.eaglei.repository.servlet
Class ImportExport

java.lang.Object
  javax.servlet.GenericServlet
      javax.servlet.http.HttpServlet
          org.eaglei.repository.servlet.RepositoryServlet
              org.eaglei.repository.servlet.ImportExport

All Implemented Interfaces:

java.io.Serializable, javax.servlet.Servlet, javax.servlet.ServletConfig

public class ImportExport
extends RepositoryServlet

Structured export and import of resource instances OR user instances. The same servlet implementation is called by both /export and /import, they should set the init parameter "import" or "export" appropriately. e.g.

 
   Export
   org.eaglei.repository.servlet.ImportExport
   
     export
     true
   
 
 

Version:

$Id: $

Author:

Larry Stone

See Also:

Serialized Form

Nested Class Summary

static class	ImportExport.NewGraphArg Enumerated values of 'graph' arg - must be public for parseKeyword.
static class	ImportExport.TypeArg Enumerated values of 'type' arg - must be public for parseKeyword.

Constructor Summary

ImportExport()

Method Summary

protected void	doGet(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) GET the contents of a graph - for EXPORT only Query Args: - format = MIME type (overrides content-type) - view = view to query (mutually excl.
protected void	doPost(javax.servlet.http.HttpServletRequest request, javax.servlet.http.HttpServletResponse response) Import a collection of Users *or* Instances from an export serialization generated by this service.
void	init(javax.servlet.ServletConfig sc) Configure this servlet as either import or export mode.

Methods inherited from class org.eaglei.repository.servlet.RepositoryServlet

getExactParameter, getParameter, getParameterAsBoolean, getParameterAsKeyword, getParameterAsReader, getParameterAsURI, getParameterContentType, getParameters, isParameterPresent, redirectToJSP, service

Methods inherited from class javax.servlet.http.HttpServlet

doDelete, doHead, doOptions, doPut, doTrace, getLastModified, service

Methods inherited from class javax.servlet.GenericServlet

destroy, getInitParameter, getInitParameterNames, getServletConfig, getServletContext, getServletInfo, getServletName, init, log, log

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

ImportExport

public ImportExport()

Method Detail

init

public void init(javax.servlet.ServletConfig sc)
          throws javax.servlet.ServletException

Configure this servlet as either import or export mode.

Specified by:

init in interface javax.servlet.Servlet

Overrides:

init in class javax.servlet.GenericServlet

Throws:

javax.servlet.ServletException

doGet

protected void doGet(javax.servlet.http.HttpServletRequest request,
                     javax.servlet.http.HttpServletResponse response)
              throws javax.servlet.ServletException,
                     java.io.IOException

GET the contents of a graph - for EXPORT only Query Args: - format = MIME type (overrides content-type) - view = view to query (mutually excl. w/workspace) - workspace = workspace to query (mutually excl. w/workspace) (NOTE: default to view = USER for type=resource) - type=(resource|user) - what to import - include="URI ..." or "username ..." if type=user - exclude="URI ..." or "username ..." if type=user Result: HTTP status 200 for success, 400 or 4xx or 5xx otherwise.

Overrides:

doGet in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException

doPost

protected void doPost(javax.servlet.http.HttpServletRequest request,
                      javax.servlet.http.HttpServletResponse response)
               throws javax.servlet.ServletException,
                      java.io.IOException

Import a collection of Users *or* Instances from an export serialization generated by this service. POST is for IMPORT only. Args: - format = MIME type (overrides content-type) - duplicate=(abort|ignore|replace) - transform=yes|no - no default - graph=(abort|create) -- what to do when import would create new graph - type=(resource|user) - what to import - ignoreACL=yes|no - default=no, skip access grants on import (transition only) Result: HTTP status 200 for success, 400 or 4xx or 5xx otherwise.

Overrides:

doPost in class javax.servlet.http.HttpServlet

Throws:

javax.servlet.ServletException

java.io.IOException