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/**
* The MIT License
*
* Copyright (c) 2009-2019 PrimeTek
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
* copies of the Software, and to permit persons to whom the Software is
* furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
* THE SOFTWARE.
*/
package org.primefaces.renderkit;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.faces.FacesException;
import javax.faces.application.ConfigurableNavigationHandler;
import javax.faces.application.NavigationCase;
import javax.faces.component.UIComponent;
import javax.faces.context.FacesContext;
import javax.faces.event.ActionListener;
import javax.faces.flow.FlowHandler;
import javax.faces.lifecycle.ClientWindow;
import org.primefaces.component.api.UIOutcomeTarget;
import org.primefaces.context.PrimeApplicationContext;
public class OutcomeTargetRenderer extends CoreRenderer {
protected NavigationCase findNavigationCase(FacesContext context, UIOutcomeTarget outcomeTarget) {
ConfigurableNavigationHandler navigationHandler = (ConfigurableNavigationHandler) context.getApplication().getNavigationHandler();
String outcome = outcomeTarget.getOutcome();
if (outcome == null) {
outcome = context.getViewRoot().getViewId();
}
if (PrimeApplicationContext.getCurrentInstance(context).getEnvironment().isAtLeastJsf22()) {
if (outcomeTarget instanceof UIComponent) {
String toFlowDocumentId = (String) ((UIComponent) outcomeTarget).getAttributes().get(ActionListener.TO_FLOW_DOCUMENT_ID_ATTR_NAME);
if (toFlowDocumentId != null) {
return navigationHandler.getNavigationCase(context, null, outcome, toFlowDocumentId);
}
}
}
return navigationHandler.getNavigationCase(context, null, outcome);
}
protected boolean isExpression(String text) {
return text.contains("#{") || text.contains("${");
}
protected boolean containsEL(List values) {
if (!values.isEmpty()) {
// Both MyFaces and Mojarra use ArrayLists. Therefore, index loop can be used.
for (int i = 0; i < values.size(); i++) {
if (isExpression(values.get(i))) {
return true;
}
}
}
return false;
}
protected List evaluateValueExpressions(FacesContext context, List values) {
// note that we have to create a new List here, because if we
// change any value on the given List, it will be changed in the
// NavigationCase too and the EL expression won't be evaluated again
List target = new ArrayList<>(values.size());
for (String value : values) {
if (isExpression(value)) {
// evaluate the ValueExpression
value = context.getApplication().evaluateExpressionGet(context, value, String.class);
}
target.add(value);
}
return target;
}
/**
* Find all parameters to include by looking at nested uiparams and params of navigation case
*/
protected Map> getParams(FacesContext context, NavigationCase navCase, UIOutcomeTarget outcomeTarget) {
//UI Params
Map> params = outcomeTarget.getParams();
//NavCase Params
Map> navCaseParams = navCase.getParameters();
if (navCaseParams != null && !navCaseParams.isEmpty()) {
if (params == null) {
params = new LinkedHashMap<>();
}
for (Map.Entry> entry : navCaseParams.entrySet()) {
String key = entry.getKey();
//UIParams take precedence
if (!params.containsKey(key)) {
List values = entry.getValue();
if (containsEL(values)) {
params.put(key, evaluateValueExpressions(context, values));
}
else {
params.put(key, values);
}
}
}
}
if (PrimeApplicationContext.getCurrentInstance(context).getEnvironment().isAtLeastJsf22()) {
String toFlowDocumentId = navCase.getToFlowDocumentId();
if (toFlowDocumentId != null) {
if (params == null) {
params = new LinkedHashMap<>();
}
List flowDocumentIdValues = new ArrayList<>();
flowDocumentIdValues.add(toFlowDocumentId);
params.put(FlowHandler.TO_FLOW_DOCUMENT_ID_REQUEST_PARAM_NAME, flowDocumentIdValues);
if (!FlowHandler.NULL_FLOW.equals(toFlowDocumentId)) {
List flowIdValues = new ArrayList<>();
flowIdValues.add(navCase.getFromOutcome());
params.put(FlowHandler.FLOW_ID_REQUEST_PARAM_NAME, flowIdValues);
}
}
}
return params;
}
protected boolean isIncludeViewParams(UIOutcomeTarget outcomeTarget, NavigationCase navCase) {
return outcomeTarget.isIncludeViewParams() || navCase.isIncludeViewParams();
}
protected String getTargetURL(FacesContext context, UIOutcomeTarget outcomeTarget) {
String url;
String href = outcomeTarget.getHref();
if (href != null) {
url = "#".equals(href) ? "#" : context.getExternalContext().encodeRedirectURL(href, outcomeTarget.getParams());
}
else {
NavigationCase navCase = findNavigationCase(context, outcomeTarget);
if (navCase == null) {
throw new FacesException("Could not resolve NavigationCase for outcome: " + outcomeTarget.getOutcome());
}
String toViewId = navCase.getToViewId(context);
boolean isIncludeViewParams = isIncludeViewParams(outcomeTarget, navCase);
Map> params = getParams(context, navCase, outcomeTarget);
if (params == null) {
params = Collections.emptyMap();
}
boolean clientWindowRenderingModeEnabled = false;
Object clientWindow = null;
try {
if (PrimeApplicationContext.getCurrentInstance(context).getEnvironment().isAtLeastJsf22()
&& outcomeTarget.isDisableClientWindow()) {
clientWindow = context.getExternalContext().getClientWindow();
if (clientWindow != null) {
clientWindowRenderingModeEnabled = ((ClientWindow) clientWindow).isClientWindowRenderModeEnabled(context);
if (clientWindowRenderingModeEnabled) {
((ClientWindow) clientWindow).disableClientWindowRenderMode(context);
}
}
}
url = context.getApplication().getViewHandler().getBookmarkableURL(context, toViewId, params, isIncludeViewParams);
}
finally {
if (clientWindowRenderingModeEnabled && clientWindow != null) {
((ClientWindow) clientWindow).enableClientWindowRenderMode(context);
}
}
if (outcomeTarget.getFragment() != null) {
url += "#" + outcomeTarget.getFragment();
}
}
return url;
}
}