org.jboss.aerogear.controller.util
Class ParameterExtractor

java.lang.Object
  org.jboss.aerogear.controller.util.ParameterExtractor

public class ParameterExtractor
extends Object

Field Summary

private static br.com.caelum.iogi.Iogi

IOGI

Constructor Summary

ParameterExtractor()

Method Summary

private static boolean	addIfPresent(com.google.common.base.Optional<?> op, String paramName, Map<String,Object> args)
private static Object	createInstance(Class<?> type, String arg)
static Map<String,Object>	extractArguments(RouteContext routeContext, Map<String,Consumer> consumers) Extracts the arguments from the current request for the target route.
private static Object	extractBody(RouteContext routeContext, Parameter<?> parameter, Consumer consumer)
private static com.google.common.base.Optional<String>	extractContentType(RouteContext routeContext)
private static com.google.common.base.Optional<?>	extractCookieParam(RouteContext routeContext, String paramName, Class<?> type)
private static com.google.common.base.Optional<?>	extractDefaultParam(Class<?> type, com.google.common.base.Optional<?> defaultValue)
private static com.google.common.base.Optional<?>	extractHeaderParam(RouteContext routeContext, String paramName)
static com.google.common.base.Optional<?>	extractIogiParam(RouteContext routeContext) Returns an instance of the type used in the parameter names using Iogi.
private static com.google.common.base.Optional<?>	extractParam(RouteContext routeContext, String name, Class<?> type)
static com.google.common.base.Optional<?>	extractPathParam(RouteContext routeContext, RequestParameter<?> param)
static com.google.common.base.Optional<?>	extractPathParam(RouteContext routeContext, String paramName, Class<?> type) Extracts a path parameter from the passed in request path.
private static Map<String,Object>	extractRequestParam(String paramName, Class<?> type, com.google.common.base.Optional<?> defaultValue, Map<String,Object> map, RouteContext routeContext)
private static Map<String,Object>	extractRequestParams(ReplacementParameter<?> replacementParam, RouteContext routeContext)
private static Consumer	getConsumer(RouteContext routeContext, Map<String,Consumer> consumers, Parameter<?> parameter)

Methods inherited from class java.lang.Object

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

Field Detail

IOGI

private static final br.com.caelum.iogi.Iogi IOGI

Constructor Detail

ParameterExtractor

public ParameterExtractor()

Method Detail

extractArguments

public static Map<String,Object> extractArguments(RouteContext routeContext,
                                                  Map<String,Consumer> consumers)
                                           throws Exception

Extracts the arguments from the current request for the target route.

Parameters:

routeContext - the RouteContext.

consumers - the Consumers that will be used to try to unmarshall the request body.

Returns:

Map<String, Object containing parameter name -> value mapping.

Throws:

Exception

extractRequestParam

private static Map<String,Object> extractRequestParam(String paramName,
                                                      Class<?> type,
                                                      com.google.common.base.Optional<?> defaultValue,
                                                      Map<String,Object> map,
                                                      RouteContext routeContext)
                                               throws Exception

Throws:

Exception

extractRequestParams

private static Map<String,Object> extractRequestParams(ReplacementParameter<?> replacementParam,
                                                       RouteContext routeContext)
                                                throws Exception

Throws:

Exception

extractDefaultParam

private static com.google.common.base.Optional<?> extractDefaultParam(Class<?> type,
                                                                      com.google.common.base.Optional<?> defaultValue)
                                                               throws Exception

Throws:

Exception

extractBody

private static Object extractBody(RouteContext routeContext,
                                  Parameter<?> parameter,
                                  Consumer consumer)

getConsumer

private static Consumer getConsumer(RouteContext routeContext,
                                    Map<String,Consumer> consumers,
                                    Parameter<?> parameter)

extractContentType

private static com.google.common.base.Optional<String> extractContentType(RouteContext routeContext)

extractPathParam

public static com.google.common.base.Optional<?> extractPathParam(RouteContext routeContext,
                                                                  RequestParameter<?> param)
                                                           throws Exception

Throws:

Exception

extractPathParam

public static com.google.common.base.Optional<?> extractPathParam(RouteContext routeContext,
                                                                  String paramName,
                                                                  Class<?> type)
                                                           throws Exception

Extracts a path parameter from the passed in request path.

Parameters:

routeContext - the RouteContext to extract a path parameter from.

paramName - the name of the parameter to be extracted.

type - the parameter type.

Returns:

Optional<String> containing the extracted path param if present in the request path.

Throws:

Exception

extractIogiParam

public static com.google.common.base.Optional<?> extractIogiParam(RouteContext routeContext)

Returns an instance of the type used in the parameter names using Iogi.

For example, having form parameters named 'car.color', 'car.brand', this method would try to use those values to instantiate a new Car instance.

Returns:

Optional may contain the instantiated instance, else isPresent will return false.

addIfPresent

private static boolean addIfPresent(com.google.common.base.Optional<?> op,
                                    String paramName,
                                    Map<String,Object> args)

extractHeaderParam

private static com.google.common.base.Optional<?> extractHeaderParam(RouteContext routeContext,
                                                                     String paramName)

extractCookieParam

private static com.google.common.base.Optional<?> extractCookieParam(RouteContext routeContext,
                                                                     String paramName,
                                                                     Class<?> type)
                                                              throws Exception

Throws:

Exception

extractParam

private static com.google.common.base.Optional<?> extractParam(RouteContext routeContext,
                                                               String name,
                                                               Class<?> type)
                                                        throws Exception

Throws:

Exception

createInstance

private static Object createInstance(Class<?> type,
                                     String arg)
                              throws Exception

Throws:

Exception