public ServiceContext getContext()

in stack/services/src/main/java/org/apache/usergrid/services/AbstractConnectionsService.java [72:162]
80 lines of code
22 McCabe index (conditional complexity)

    public ServiceContext getContext( ServiceAction action, ServiceRequest request, ServiceResults previousResults,
                                      ServicePayload payload ) throws Exception {

        EntityRef owner = request.getOwner();
        String collectionName = "application".equals( owner.getType() ) ? pluralize( getServiceInfo().getItemType() ) :
                                getServiceInfo().getCollectionName();
        // ServiceResults previousResults = request.getPreviousResults();

        List<ServiceParameter> parameters = initCopy( request.getParameters() );

        parameters = filter( parameters, replaceParameters );

        String cType = collectionName;
        if ( "connecting".equals( collectionName ) || "connections".equals( collectionName ) || "connected"
                .equals( collectionName ) ) {
            cType = null;
        }
        if ( ( cType == null ) && firstParameterIsName( parameters ) ) {
            cType = dequeue( parameters ).getName();
        }
        if ( cType != null ) {
            collectionName = cType;
        }

        String eType = null;
        UUID id = null;
        String name = null;
        Query query = null;

        ServiceParameter first_parameter = dequeue( parameters );

        if ( first_parameter instanceof QueryParameter ) {
            query = first_parameter.getQuery();
        }
        else if ( first_parameter instanceof IdParameter ) {
            id = first_parameter.getId();
        }
        else if ( first_parameter instanceof NameParameter ) {
            String s = first_parameter.getName();
            if ( hasServiceMetadata( s ) ) {
                return new ServiceContext( this, action, request, previousResults, owner, collectionName, parameters,
                        payload ).withServiceMetadata( s );
            }
            else if ( hasServiceCommand( s ) ) {
                return new ServiceContext( this, action, request, previousResults, owner, collectionName, parameters,
                        payload ).withServiceCommand( s );
            }
            else if ( "any".equals( s ) ) {
                // do nothing, placeholder
            }
            else {
                eType = Schema.normalizeEntityType( s );
                first_parameter = dequeue( parameters );
                if ( first_parameter instanceof QueryParameter ) {
                    query = first_parameter.getQuery();
                }
                else if ( first_parameter instanceof IdParameter ) {
                    id = first_parameter.getId();
                }
                else if ( first_parameter instanceof NameParameter ) {
                    s = first_parameter.getName();
                    if ( hasServiceMetadata( s ) ) {
                        return new ServiceContext( this, action, request, previousResults, owner, collectionName,
                                parameters, payload ).withServiceMetadata( s );
                    }
                    else if ( hasServiceCommand( s ) ) {
                        return new ServiceContext( this, action, request, previousResults, owner, collectionName,
                                parameters, payload ).withServiceCommand( s );
                    }
                    else {
                        name = s;
                    }
                }
            }
        }

        if ( query == null ) {
            query = new Query();
        }
        query.setConnectionType( cType );
        query.setEntityType( eType );
        if ( id != null ) {
            query.addIdentifier( Identifier.fromUUID( id ) );
        }
        if ( name != null ) {
            query.addIdentifier( Identifier.from( name ) );
        }

        return new ServiceContext( this, action, request, previousResults, owner, collectionName, query, parameters,
                payload );
    }