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/*
* The MIT License
*
* Copyright (c) 2009-2023 PrimeTek Informatics
*
* 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;
import org.primefaces.component.api.MultiViewStateAware;
import org.primefaces.context.PrimeApplicationContext;
import org.primefaces.context.PrimeRequestContext;
import org.primefaces.expression.ComponentNotFoundException;
import org.primefaces.expression.SearchExpressionFacade;
import org.primefaces.model.DialogFrameworkOptions;
import org.primefaces.util.ComponentUtils;
import org.primefaces.util.Constants;
import org.primefaces.util.EscapeUtils;
import org.primefaces.util.LangUtils;
import org.primefaces.visit.ResetInputVisitCallback;
import javax.faces.FacesException;
import javax.faces.application.FacesMessage;
import javax.faces.application.ProjectStage;
import javax.faces.component.UIComponent;
import javax.faces.component.UIInput;
import javax.faces.component.UIViewRoot;
import javax.faces.component.visit.VisitContext;
import javax.faces.context.ExternalContext;
import javax.faces.context.FacesContext;
import javax.faces.context.PartialViewContext;
import javax.faces.lifecycle.ClientWindow;
import java.io.Serializable;
import java.util.*;
import java.util.concurrent.ConcurrentHashMap;
import java.util.function.Consumer;
import java.util.function.Supplier;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.stream.Collectors;
public class PrimeFaces {
private static final Logger LOGGER = Logger.getLogger(PrimeFaces.class.getName());
// There are 2 possible solutions
// 1) the current static solution + use Faces/RequestContext#getCurrentInstance each time
// 2) make PrimeFaces requestScoped and receive Faces/RequestContext only once (more complex and requires cleanup)
private static PrimeFaces instance = new PrimeFaces();
private final Dialog dialog;
private final Ajax ajax;
private final MultiViewState multiViewState;
/**
* Protected constructor to allow CDI proxying - and also allow customizations, or setting a mock.
*/
protected PrimeFaces() {
dialog = new Dialog();
ajax = new Ajax();
multiViewState = new MultiViewState();
}
public static PrimeFaces current() {
return instance;
}
public static void setCurrent(PrimeFaces primeFaces) {
instance = primeFaces;
}
protected FacesContext getFacesContext() {
return FacesContext.getCurrentInstance();
}
protected PrimeRequestContext getRequestContext() {
return PrimeRequestContext.getCurrentInstance();
}
/**
* Checks if the current request is a Faces request.
*
* @return true if the current request is a Faces request.
*/
public boolean isFacesRequest() {
return getFacesContext() != null;
}
/**
* Shortcut for {@link PartialViewContext#isAjaxRequest()}.
*
* @return true if the current request is a AJAX request.
*/
public boolean isAjaxRequest() {
FacesContext context = getFacesContext();
if (context == null) {
return false;
}
return context.getPartialViewContext().isAjaxRequest();
}
/**
* Executes a JavaScript statement before all other PrimeFaces scripts are executed.
* Useful when you need to do some initialization.
*
* @param statement the JavaScript statement.
*/
public void executeInitScript(String statement) {
getRequestContext().getInitScriptsToExecute().add(statement);
}
/**
* Executes a JavaScript statement.
*
* @param statement the JavaScript statement.
*/
public void executeScript(String statement) {
getRequestContext().getScriptsToExecute().add(statement);
}
/**
* Scrolls to a component with the given clientId.
*
* @param clientId clientId of the target component.
*/
public void scrollTo(String clientId) {
executeScript("PrimeFaces.scrollTo('" + clientId + "');");
}
/**
* Resolves the search expression, starting from the viewroot, and focus the resolved component.
*
* @param expression The search expression.
*/
public void focus(String expression) {
focus(expression, FacesContext.getCurrentInstance().getViewRoot());
}
/**
* Resolves the search expression and focus the resolved component.
*
* @param expression the search expression.
* @param base the base component from which we will start to resolve the search expression.
*/
public void focus(String expression, UIComponent base) {
if (LangUtils.isBlank(expression)) {
return;
}
FacesContext facesContext = getFacesContext();
String clientId = SearchExpressionFacade.resolveClientId(facesContext,
base,
expression);
executeScript("PrimeFaces.focus('" + clientId + "');");
}
/**
* Resolves the search expressions, starting from the viewroot and resets all found {@link UIInput} components.
*
* @param expressions a list of search expressions.
*/
public void resetInputs(Collection expressions) {
if (expressions == null || expressions.isEmpty()) {
return;
}
FacesContext facesContext = getFacesContext();
VisitContext visitContext = VisitContext.createVisitContext(facesContext, null, ComponentUtils.VISIT_HINTS_SKIP_UNRENDERED);
UIViewRoot root = facesContext.getViewRoot();
for (String expression : expressions) {
List components = SearchExpressionFacade.resolveComponents(facesContext, root, expression);
for (UIComponent component : components) {
component.visitTree(visitContext, ResetInputVisitCallback.INSTANCE);
}
}
}
/**
* Resolves the search expressions, starting from the viewroot and resets all found {@link UIInput} components.
*
* @param expressions a list of search expressions.
*/
public void resetInputs(String... expressions) {
if (expressions == null || expressions.length == 0) {
return;
}
resetInputs(Arrays.asList(expressions));
}
/**
* Returns the dialog helpers.
*
* @return the dialog helpers.
*/
public Dialog dialog() {
return dialog;
}
public class Dialog {
/**
* Opens a view in a dynamic dialog.
*
* @param outcome the logical outcome used to resolve the navigation case.
*/
public void openDynamic(String outcome) {
getFacesContext().getAttributes().put(Constants.DialogFramework.OUTCOME, outcome);
}
/**
* Opens a view in a dynamic dialog.
*
* @param outcome the logical outcome used to resolve the navigation case.
* @param options configuration options for the dialog.
* @param params parameters to send to the view displayed in the dynamic dialog.
*/
public void openDynamic(String outcome, DialogFrameworkOptions options, Map> params) {
openDynamic(outcome, options.toMap(), params);
}
/**
* Opens a view in a dynamic dialog.
*
* @param outcome the logical outcome used to resolve the navigation case.
* @param options configuration options for the dialog.
* @param params parameters to send to the view displayed in the dynamic dialog.
*/
public void openDynamic(String outcome, Map options, Map> params) {
FacesContext facesContext = getFacesContext();
facesContext.getAttributes().put(Constants.DialogFramework.OUTCOME, outcome);
if (options != null) {
facesContext.getAttributes().put(Constants.DialogFramework.OPTIONS, options);
}
if (params != null) {
facesContext.getAttributes().put(Constants.DialogFramework.PARAMS, params);
}
}
/**
* Close the current dynamic dialog.
*
* @param data optional data to pass back to a dialogReturn event.
*/
public void closeDynamic(Object data) {
FacesContext facesContext = getFacesContext();
Map params = facesContext.getExternalContext().getRequestParameterMap();
String pfdlgcid = params.get(Constants.DialogFramework.CONVERSATION_PARAM);
if (data != null) {
Map session = facesContext.getExternalContext().getSessionMap();
session.put(pfdlgcid, data);
}
executeScript("PrimeFaces.closeDialog({pfdlgcid:'" + EscapeUtils.forJavaScript(pfdlgcid) + "'});");
}
/**
* Displays a message in a dynamic dialog with any HTML escaped.
*
* @param message the {@link FacesMessage} to be displayed.
*/
public void showMessageDynamic(FacesMessage message) {
showMessageDynamic(message, true);
}
/**
* Displays a message in a dynamic dialog with escape control.
*
* @param message the {@link FacesMessage} to be displayed.
* @param escape true to escape HTML content, false to display HTML content
*/
public void showMessageDynamic(FacesMessage message, boolean escape) {
String summary = EscapeUtils.forJavaScript(message.getSummary());
String detail = EscapeUtils.forJavaScript(message.getDetail());
executeScript("PrimeFaces.showMessageInDialog({severity:\"" + message.getSeverity()
+ "\",summary:\"" + summary
+ "\",detail:\"" + detail
+ "\",escape:" + escape + "});");
}
}
public Ajax ajax() {
return ajax;
}
/**
* Returns the MultiViewState helpers.
*
* @return the MultiViewState helpers.
*/
public MultiViewState multiViewState() {
return multiViewState;
}
public class Ajax {
/**
* Add a parameter for ajax oncomplete client side callbacks. Value will be serialized to json.
* Currently supported values are primitives, POJOs, JSONObject and JSONArray.
*
* @param name name of the parameter.
* @param value value of the parameter.
*/
public void addCallbackParam(String name, Object value) {
getRequestContext().getCallbackParams().put(name, value);
}
/**
* Updates all components with the given expressions or clientIds.
* {@link #ignoreAutoUpdate()} my be used additionally to ignoreAutoUpdate.
*
* @param expressions a list of expressions or clientIds.
*/
public void update(Collection expressions) {
if (expressions == null || expressions.isEmpty()) {
return;
}
FacesContext facesContext = getFacesContext();
for (String expression : expressions) {
if (LangUtils.isBlank(expression)) {
continue;
}
try {
String clientId =
SearchExpressionFacade.resolveClientId(facesContext, facesContext.getViewRoot(), expression);
facesContext.getPartialViewContext().getRenderIds().add(clientId);
}
catch (ComponentNotFoundException e) {
if (facesContext.isProjectStage(ProjectStage.Development)) {
LOGGER.log(Level.WARNING,
"PrimeFaces.current().ajax().update() called but component can't be resolved!"
+ " Expression will just be added to the renderIds: {0}", expression);
}
facesContext.getPartialViewContext().getRenderIds().add(expression);
}
}
}
/**
* Updates all components with the given expressions or clientIds.
* {@link #ignoreAutoUpdate()} my be used additionally to ignoreAutoUpdate.
*
* @param expressions a list of expressions or clientIds.
*/
public void update(String... expressions) {
if (expressions == null || expressions.length == 0) {
return;
}
update(Arrays.asList(expressions));
}
/**
* Updates all the given components.
* {@link #ignoreAutoUpdate()} my be used additionally to ignoreAutoUpdate.
*
* @param components the {@link UIComponent}s.
*/
public void update(UIComponent... components) {
if (components == null || components.length == 0) {
return;
}
FacesContext facesContext = getFacesContext();
for (UIComponent component : components) {
facesContext.getPartialViewContext().getRenderIds().add(component.getClientId(facesContext));
}
}
/**
* Forces ignoreAutoUpdate.
* May be used e.g. combined with server-side update via PrimeFaces.current().ajax().update("xxx")
*/
public void ignoreAutoUpdate() {
PrimeRequestContext.getCurrentInstance().setIgnoreAutoUpdate(true);
}
}
public class MultiViewState {
/**
* Removes all multiViewState within the current session.
*/
public void clearAll() {
clearAll(true, null);
}
/**
* Removes all multiViewState within the current session.
*
* @param reset indicates whether or not the component should be reset, if it is in the current view
*/
public void clearAll(boolean reset) {
clearAll(reset, null);
}
/**
* Removes all multiViewState within the current session.
*
* @param reset indicates whether or not the component should be reset, if it is in the current view
* @param clientIdConsumer Callback for each removed clientId
*/
public void clearAll(boolean reset, Consumer clientIdConsumer) {
if (reset || clientIdConsumer != null) {
Set keys = Collections.unmodifiableSet(getMVSKeys());
clearMVSKeys(keys, reset, clientIdConsumer);
}
getFacesContext().getExternalContext().getSessionMap().remove(Constants.MULTI_VIEW_STATES);
}
/**
* Removes all multiViewState in specific view within the current session.
*
* @param viewId viewId in which multiview state should be cleared
* @param reset indicates whether or not the component should be reset, if it is in the current view
*/
public void clearAll(String viewId, boolean reset) {
clearAll(viewId, reset, null);
}
/**
* Removes all multiViewState in specific view within the current session.
*
* @param viewId viewId in which multiview state should be cleared
* @param reset indicates whether or not the component should be reset, if it is in the current view
* @param clientIdConsumer operation to execute for every clientId after multiview state has been cleared
*/
public void clearAll(String viewId, boolean reset, Consumer clientIdConsumer) {
Set keys = getMVSKeys().stream()
.filter(k -> Objects.equals(k.viewId, viewId))
.collect(Collectors.toSet());
if (!keys.isEmpty()) {
clearMVSKeys(keys, reset, clientIdConsumer);
}
}
/**
* Removes multiViewState of a component in specific view within the current session.
*
* @param viewId viewId of a page
* @param clientId clientId of a component for which multiview state should be cleared
*/
public void clear(String viewId, String clientId) {
clear(viewId, clientId, true);
}
/**
* Removes multiViewState of a component in specific view within the current session.
*
* @param viewId viewId of a page
* @param clientId clientId of a component for which multiview state should be cleared, if it is in the current view
* @param reset indicates whether or not the component should be reset
*/
public void clear(String viewId, String clientId, boolean reset) {
MVSKey key = MVSKey.of(viewId, clientId);
clearMVSKeys(Collections.singleton(key), reset, null);
}
/**
* Gets multiview state attached to a component in a specific view.
*
* @param viewId viewId of a page
* @param clientId clientId of a component
* @param create flag indicating if bean state should be created if does not exist in curent session
* @param supplier bean state instance
* @param bean state generic
*
* @return multiview state bean attached to a component
*/
public T get(String viewId, String clientId, boolean create, Supplier supplier) {
Map mvsMap = getMVSStore(create);
MVSKey mvsKey = MVSKey.of(viewId, clientId);
T state = (T) mvsMap.get(mvsKey);
if (state == null && create) {
state = supplier.get();
mvsMap.put(mvsKey, state);
}
return state;
}
/**
* Gets or create the multiview state attached to a component in a specific view.
*
* @param viewId viewId of a page
* @param clientId clientId of a component
* @param supplier bean state instance
* @param bean state generic
*
* @return multiview state bean attached to a component
*/
public T get(String viewId, String clientId, Supplier supplier) {
return get(viewId, clientId, true, supplier);
}
/**
* Gets multiview state attached to a component in a specific view.
*
* @param viewId viewId of a page
* @param clientId clientId of a component
* @param bean state generic
*
* @return multiview state bean attached to a component or null
*/
public T get(String viewId, String clientId) {
return get(viewId, clientId, false, null);
}
private Set getMVSKeys() {
return getMVSStore(false).keySet();
}
private Map getMVSStore(boolean create) {
FacesContext fc = getFacesContext();
Map sessionMap = fc.getExternalContext().getSessionMap();
PrimeApplicationContext primeApplicationContext = PrimeApplicationContext.getCurrentInstance(fc);
String clientWindowId = "session";
if (primeApplicationContext.getEnvironment().isAtLeastJsf22() &&
"client-window".equals(primeApplicationContext.getConfig().getMultiViewStateStore())) {
ExternalContext externalContext = fc.getExternalContext();
ClientWindow clientWindow = externalContext.getClientWindow();
if (clientWindow != null && LangUtils.isNotBlank(clientWindow.getId())) {
clientWindowId = clientWindow.getId();
}
}
Map> clientWindowMap = (Map) sessionMap.get(Constants.MULTI_VIEW_STATES);
if (clientWindowMap == null) {
clientWindowMap = new ConcurrentHashMap<>();
sessionMap.put(Constants.MULTI_VIEW_STATES, clientWindowMap);
}
Map mvsMap = clientWindowMap.get(clientWindowId);
if (mvsMap == null) {
if (create) {
mvsMap = new ConcurrentHashMap<>();
clientWindowMap.put(clientWindowId, mvsMap);
}
else {
mvsMap = Collections.emptyMap();
}
}
return mvsMap;
}
private void reset(String clientId) {
FacesContext context = getFacesContext();
context.getViewRoot().invokeOnComponent(context, clientId, (fc, component) -> {
if (!(component instanceof MultiViewStateAware)) {
throw new FacesException("Multi view state not supported for: " + component.getClass().getSimpleName());
}
((MultiViewStateAware) component).resetMultiViewState();
});
}
private void clearMVSKeys(Set keysToRemove, boolean reset, Consumer clientIdConsumer) {
Set mvsKeys = getMVSKeys();
for (MVSKey mvsKey : keysToRemove) {
if (!mvsKeys.remove(mvsKey)) {
LOGGER.log(Level.WARNING,
"Multiview state for viewId: \"{0}\" and clientId \"{1}\" not found",
new Object[]{mvsKey.viewId, mvsKey.clientId});
continue;
}
if (reset) {
reset(mvsKey.clientId);
}
if (clientIdConsumer != null) {
clientIdConsumer.accept(mvsKey.clientId);
}
}
}
}
private static class MVSKey implements Serializable {
private static final long serialVersionUID = 1L;
private String viewId;
private String clientId;
// serialization
private MVSKey() {
// NOOP
}
private MVSKey(String viewId, String clientId) {
this.viewId = viewId;
this.clientId = clientId;
}
public static MVSKey of(String viewId, String clientId) {
return new MVSKey(viewId, clientId);
}
@Override
public int hashCode() {
int hash = 7;
hash = 23 * hash + Objects.hashCode(viewId);
hash = 23 * hash + Objects.hashCode(clientId);
return hash;
}
@Override
public boolean equals(Object obj) {
if (this == obj) return true;
if (obj == null || getClass() != obj.getClass()) return false;
MVSKey other = (MVSKey) obj;
return Objects.equals(viewId, other.viewId) &&
Objects.equals(clientId, other.clientId);
}
@Override
public String toString() {
return "MVSKey{" +
"viewId='" + viewId + '\'' +
", clientId='" + clientId + '\'' +
'}';
}
}
}
