/**
* Copyright 2005-2013 hdiv.org
*
* 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.hdiv.components.support;
import javax.faces.FacesException;
import javax.faces.component.UIOutcomeTarget;
import javax.faces.component.UIParameter;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.servlet.http.HttpServletRequest;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.hdiv.dataComposer.IDataComposer;
import org.hdiv.urlProcessor.UrlData;
import org.hdiv.util.Constants;
import org.hdiv.util.HDIVUtil;
import org.hdiv.util.UtilsJsf;
public class OutcomeTargetComponentProcessor extends AbstractComponentProcessor {
private static Log log = LogFactory.getLog(OutcomeTargetComponentProcessor.class);
protected OutcomeTargetComponentHelper helper = new OutcomeTargetComponentHelper();
public void processOutcomeTargetLinkComponent(FacesContext context, UIOutcomeTarget component) {
// Init dependencies
super.init(context);
try {
ExternalContext externalContext = context.getExternalContext();
HttpServletRequest request = (HttpServletRequest) externalContext.getRequest();
String url = this.helper.getUrl(context, component);
UrlData urlData = this.urlProcessor.createUrlData(url, "GET", request);
if (this.urlProcessor.isHdivStateNecessary(urlData)) {
boolean hasUIParams = UtilsJsf.hasUIParameterChild(component);
// if url hasn't got parameters, we do not have to include HDIV's state
if (!this.hdivConfig.isValidationInUrlsWithoutParamsActivated() && !urlData.containsParams()
&& !hasUIParams) {
// Do nothing
return;
}
IDataComposer dataComposer = HDIVUtil.getDataComposer(request);
dataComposer.beginRequest("GET", urlData.getUrlWithoutContextPath());
String processedParams = dataComposer.composeParams(urlData.getUrlParams(), "GET", Constants.ENCODING_UTF_8);
urlData.setUrlParams(processedParams);
String stateParam = dataComposer.endRequest();
String hdivParameter = (String) externalContext.getSessionMap().get(Constants.HDIV_PARAMETER);
// Add a children UIParam component with HDIV state
UIParameter paramComponent = (UIParameter) context.getApplication().createComponent(
UIParameter.COMPONENT_TYPE);
paramComponent.setName(hdivParameter);
paramComponent.setValue(stateParam);
component.getChildren().add(paramComponent);
}
} catch (FacesException e) {
log.error("Error in JsfLinkUrlProcessor.processOutcomeTargetLinkComponent: " + e.getMessage());
throw e;
}
}
}