/**
* Copyright (C) 2009 - present by OpenGamma Inc. and the OpenGamma group of companies
*
* Please see distribution for license.
*/
package com.opengamma.provider.livedata.impl;
import java.net.URI;
import javax.ws.rs.GET;
import javax.ws.rs.HEAD;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.UriBuilder;
import javax.ws.rs.core.UriInfo;
import com.opengamma.provider.livedata.LiveDataMetaDataProvider;
import com.opengamma.provider.livedata.LiveDataMetaDataProviderRequest;
import com.opengamma.provider.livedata.LiveDataMetaDataProviderResult;
import com.opengamma.util.ArgumentChecker;
import com.opengamma.util.rest.AbstractDataResource;
import com.opengamma.util.rest.RestUtils;
/**
* RESTful resource for the live data provider.
* <p>
* This resource receives and processes RESTful calls to the live data provider.
*/
@Path("liveDataProvider")
public class DataLiveDataMetaDataProviderResource extends AbstractDataResource {
/**
* The provider.
*/
private final LiveDataMetaDataProvider _liveDataProvider;
/**
* Creates the resource, exposing the underlying provider over REST.
*
* @param liveDataProvider the underlying provider, not null
*/
public DataLiveDataMetaDataProviderResource(final LiveDataMetaDataProvider liveDataProvider) {
ArgumentChecker.notNull(liveDataProvider, "liveDataProvider");
_liveDataProvider = liveDataProvider;
}
//-------------------------------------------------------------------------
/**
* Gets the live data provider.
*
* @return the live data provider, not null
*/
public LiveDataMetaDataProvider getLiveDataProvider() {
return _liveDataProvider;
}
//-------------------------------------------------------------------------
@GET
public Response getHateaos(@Context UriInfo uriInfo) {
return hateoasResponse(uriInfo);
}
@HEAD
@Path("metaData")
public Response status() {
// simple HEAD to quickly return
return responseOk();
}
@GET
@Path("metaData")
public Response getMetaData(@Context UriInfo uriInfo) {
LiveDataMetaDataProviderRequest request = RestUtils.decodeQueryParams(uriInfo, LiveDataMetaDataProviderRequest.class);
LiveDataMetaDataProviderResult result = getLiveDataProvider().metaData(request);
return responseOkFudge(result);
}
//-------------------------------------------------------------------------
/**
* Builds a URI.
*
* @param baseUri the base URI, not null
* @param request the request, not null
* @return the URI, not null
*/
public static URI uriMetaData(URI baseUri, LiveDataMetaDataProviderRequest request) {
UriBuilder bld = UriBuilder.fromUri(baseUri).path("metaData");
if (request != null) {
RestUtils.encodeQueryParams(bld, request);
}
return bld.build();
}
}