/
ForwardMethod.groovy
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/
ForwardMethod.groovy
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/*
* Copyright 2004-2005 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.codehaus.groovy.grails.web.metaclass
import grails.web.UrlConverter
import org.codehaus.groovy.grails.web.mapping.UrlMappingUtils
import org.springframework.beans.MutablePropertyValues
import org.springframework.validation.DataBinder
import javax.servlet.http.HttpServletRequest
import javax.servlet.http.HttpServletResponse
import org.codehaus.groovy.grails.web.mapping.ForwardUrlMappingInfo
import org.codehaus.groovy.grails.web.servlet.mvc.GrailsWebRequest
import org.springframework.context.ApplicationContext
/**
* Implements performing a forward.
*
* @author Graeme Rocher
* @since 1.1
*/
class ForwardMethod {
public static final String IN_PROGRESS = "org.codehaus.groovy.grails.FORWARD_IN_PROGRESS"
public static final String CALLED = "org.codehaus.groovy.grails.FORWARD_CALLED"
private UrlConverter urlConverter
String forward(HttpServletRequest request, HttpServletResponse response, Map params) {
def urlInfo = new ForwardUrlMappingInfo()
DataBinder binder = new DataBinder(urlInfo)
binder.bind(new MutablePropertyValues(params))
GrailsWebRequest webRequest = GrailsWebRequest.lookup(request)
if (webRequest) {
def controllerName
if(params.controller) {
controllerName = params.controller
} else {
controllerName = webRequest.controllerName
}
if(controllerName) {
def convertedControllerName = convert(webRequest, controllerName)
webRequest.controllerName = convertedControllerName
}
urlInfo.controllerName = webRequest.controllerName
if(params.action) {
urlInfo.actionName = convert(webRequest, params.action)
}
if(params.namespace) {
urlInfo.namespace = params.namespace
}
if(params.plugin) {
urlInfo.pluginName = params.plugin
}
}
def model = params.model instanceof Map ? params.model : Collections.EMPTY_MAP
request.setAttribute(IN_PROGRESS, true)
String uri = UrlMappingUtils.forwardRequestForUrlMappingInfo(request, response, urlInfo, model, true)
request.setAttribute(CALLED, true)
return uri
}
void setUrlConverter(UrlConverter urlConverter) {
this.urlConverter = urlConverter
}
private UrlConverter lookupUrlConverter(GrailsWebRequest webRequest) {
if (!urlConverter) {
ApplicationContext applicationContext = webRequest?.getApplicationContext()
if (applicationContext) {
urlConverter = applicationContext.getBean("grailsUrlConverter", UrlConverter)
}
}
urlConverter
}
private String convert(GrailsWebRequest webRequest, String value) {
UrlConverter urlConverter = lookupUrlConverter(webRequest)
(urlConverter) ? urlConverter.toUrlElement(value) : value
}
}