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The UnboundID SCIM SDK is a library that may be used to interact with various
types of SCIM-enabled endpoints (such as the UnboundID server products) to
perform lightweight, cloud-based identity management via the SCIM Protocol.
See http://www.simplecloud.info for more information.
/*
* Copyright 2012-2016 UnboundID Corp.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License (GPLv2 only)
* or the terms of the GNU Lesser General Public License (LGPLv2.1 only)
* as published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, see .
*/
package com.unboundid.scim.sdk;
import com.unboundid.scim.data.BulkConfig;
import com.unboundid.scim.marshal.Marshaller;
import com.unboundid.scim.marshal.Unmarshaller;
import com.unboundid.scim.marshal.json.JsonMarshaller;
import com.unboundid.scim.marshal.json.JsonUnmarshaller;
import com.unboundid.scim.marshal.xml.XmlMarshaller;
import com.unboundid.scim.marshal.xml.XmlUnmarshaller;
import org.apache.wink.client.ClientResponse;
import org.apache.wink.client.Resource;
import org.apache.wink.client.RestClient;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.StreamingOutput;
import javax.ws.rs.core.UriBuilder;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.net.URI;
import java.util.List;
/**
* This class provides a way for a SCIM client to invoke a bulk request.
*/
public class BulkEndpoint
{
private final SCIMService service;
private final RestClient client;
private final MediaType contentType;
private final MediaType acceptType;
private final Unmarshaller unmarshaller;
private final Marshaller marshaller;
/**
* Create a new instance of a bulk request.
*
* @param service The SCIM service.
* @param client The REST client.
*/
BulkEndpoint(final SCIMService service, final RestClient client)
{
this.service = service;
this.client = client;
this.contentType = service.getContentType();
this.acceptType = service.getAcceptType();
if (contentType.equals(MediaType.APPLICATION_JSON_TYPE))
{
this.marshaller = new JsonMarshaller();
}
else
{
this.marshaller = new XmlMarshaller();
}
if (acceptType.equals(MediaType.APPLICATION_JSON_TYPE))
{
this.unmarshaller = new JsonUnmarshaller();
}
else
{
this.unmarshaller = new XmlUnmarshaller();
}
}
/**
* Retrieves the response to the bulk request. This should only be called
* after all operations to be performed have been provided.
*
* @param operations The bulk operations to be performed.
* @param failOnErrors The number of errors that the service provider will
* accept before the operation is terminated and an
* error response is returned. A value of -1 indicates
* the the service provider will continue to perform
* as many operations as possible without regard to
* failures.
*
* @return The bulk response.
*
* @throws SCIMException If the request fails.
*/
public BulkResponse processRequest(final List operations,
final int failOnErrors)
throws SCIMException
{
final BulkContentResponseHandler handler =
new BulkContentResponseHandler();
processRequest(handler, operations, failOnErrors);
return new BulkResponse(handler.getOperations());
}
/**
* Processes the bulk request. This should only be called
* after all operations to be performed have been provided.
*
* @param handler The bulk content handler that is to be used to process
* each operation response in the bulk response.
* @param operations The bulk operations to be performed.
* @param failOnErrors The number of errors that the service provider will
* accept before the operation is terminated and an
* error response is returned. A value of -1 indicates
* the the service provider will continue to perform
* as many operations as possible without regard to
* failures.
*
* @throws SCIMException If the request fails.
*/
private void processRequest(final BulkContentHandler handler,
final List operations,
final int failOnErrors)
throws SCIMException
{
final URI uri =
UriBuilder.fromUri(service.getBaseURL()).path("Bulk").build();
final Resource clientResource = client.resource(uri);
clientResource.accept(acceptType);
clientResource.contentType(contentType);
final StreamingOutput output = new StreamingOutput()
{
public void write(final OutputStream outputStream)
throws IOException, WebApplicationException
{
try
{
marshaller.bulkMarshal(outputStream, failOnErrors, operations);
}
catch (Exception e)
{
throw new WebApplicationException(e, Response.Status.BAD_REQUEST);
}
}
};
ClientResponse response = null;
try
{
response = clientResource.post(output);
InputStream entity = response.getEntity(InputStream.class);
if(response.getStatusType() == Response.Status.OK)
{
final BulkConfig bulkConfig =
new BulkConfig(true, operations.size(), Long.MAX_VALUE);
unmarshaller.bulkUnmarshal(entity, bulkConfig, handler);
}
else
{
throw createErrorResponseException(response, entity);
}
}
catch(SCIMException e)
{
throw e;
}
catch(Exception e)
{
throw SCIMException.createException(SCIMEndpoint.getStatusCode(e),
SCIMEndpoint.getExceptionMessage(e), e);
}
finally
{
if (response != null)
{
response.close();
}
}
}
/**
* Returns a SCIM exception representing the error response.
*
* @param response The client response.
* @param entity The response content.
*
* @return The SCIM exception representing the error response.
*/
private SCIMException createErrorResponseException(
final ClientResponse response,
final InputStream entity)
{
SCIMException scimException = null;
if (entity != null)
{
try
{
scimException = unmarshaller.unmarshalError(entity);
}
catch (InvalidResourceException e)
{
// The response content could not be parsed as a SCIM error
// response, which is the case if the response is a more general
// HTTP error. It is better to just provide the HTTP response
// details in this case.
Debug.debugException(e);
}
}
if (scimException == null)
{
scimException = SCIMException.createException(
response.getStatusCode(), response.getMessage());
}
return scimException;
}
}