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EE4J Compatible Implementation for Jakarta Faces API
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/*
* Copyright (c) 1997, 2020 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.faces.flow.builder;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import jakarta.el.ExpressionFactory;
import jakarta.el.ValueExpression;
import jakarta.faces.application.NavigationCase;
import jakarta.faces.context.FacesContext;
/**
*
* NavigationCase represents a <navigation-case> in
* the navigation rule base, as well as the <from-view-id> with
* which this <navigation-case> is a sibling.
*
*
* @since 2.0
*/
public class MutableNavigationCase extends NavigationCase {
private String fromViewId;
private String fromAction;
private String fromOutcome;
private String condition;
private String toViewId;
private String toFlowDocumentId;
private Map> parameters;
private boolean redirect;
private boolean includeViewParams;
private ValueExpression toViewIdExpr;
private ValueExpression conditionExpr;
private String toString;
private int hashCode;
// ------------------------------------------------------------ Constructors
public MutableNavigationCase() {
this(null, null, null, null, null, null, null, false, false);
parameters = new ConcurrentHashMap<>();
}
public MutableNavigationCase(String fromViewId, String fromAction, String fromOutcome, String condition, String toViewId, String toFlowDocumentId,
Map> parameters, boolean redirect, boolean includeViewParams) {
super(fromViewId, fromAction, fromOutcome, condition, toViewId, toFlowDocumentId, parameters, redirect, includeViewParams);
this.fromViewId = fromViewId;
this.fromAction = fromAction;
this.fromOutcome = fromOutcome;
this.condition = condition;
this.toViewId = toViewId;
this.toFlowDocumentId = toFlowDocumentId;
this.parameters = null != parameters ? parameters : new ConcurrentHashMap<>();
this.redirect = redirect;
this.includeViewParams = includeViewParams;
}
public MutableNavigationCase(String fromViewId, String fromAction, String fromOutcome, String condition, String toViewId, String toFlowDocumentId,
boolean redirect, boolean includeViewParams) {
super(fromViewId, fromAction, fromOutcome, condition, toViewId, toFlowDocumentId, Collections.EMPTY_MAP, redirect, includeViewParams);
this.fromViewId = fromViewId;
this.fromAction = fromAction;
this.fromOutcome = fromOutcome;
this.condition = condition;
this.toViewId = toViewId;
this.toFlowDocumentId = toFlowDocumentId;
parameters = Collections.emptyMap();
this.redirect = redirect;
this.includeViewParams = includeViewParams;
}
// ---------------------------------------------------------- Public Methods
@Override
public String getFromViewId() {
return fromViewId;
}
public void setFromViewId(String fromViewId) {
this.fromViewId = fromViewId;
}
@Override
public String getFromAction() {
return fromAction;
}
public void setFromAction(String fromAction) {
this.fromAction = fromAction;
}
@Override
public String getFromOutcome() {
return fromOutcome;
}
public void setFromOutcome(String fromOutcome) {
this.fromOutcome = fromOutcome;
}
@Override
public String getToViewId(FacesContext context) {
if (toViewIdExpr == null) {
ExpressionFactory factory = context.getApplication().getExpressionFactory();
toViewIdExpr = factory.createValueExpression(context.getELContext(), toViewId, String.class);
}
String result = (String) toViewIdExpr.getValue(context.getELContext());
if (result.charAt(0) != '/') {
result = '/' + result;
}
return result;
}
public void setToViewId(String toViewId) {
this.toViewId = toViewId;
toViewIdExpr = null;
}
@Override
public String getToFlowDocumentId() {
return toFlowDocumentId;
}
public void setToFlowDocumentId(String toFlowDocumentId) {
this.toFlowDocumentId = toFlowDocumentId;
}
@Override
public boolean hasCondition() {
return condition != null;
}
@Override
public Boolean getCondition(FacesContext context) {
if (conditionExpr == null && condition != null) {
ExpressionFactory factory = context.getApplication().getExpressionFactory();
conditionExpr = factory.createValueExpression(context.getELContext(), condition, Boolean.class);
}
return conditionExpr != null ? (Boolean) conditionExpr.getValue(context.getELContext()) : null;
}
public void setCondition(String condition) {
this.condition = condition;
conditionExpr = null;
}
public void setConditionExpression(ValueExpression conditionExpression) {
conditionExpr = conditionExpression;
}
@Override
public Map> getParameters() {
return parameters;
}
@Override
public boolean isRedirect() {
return redirect;
}
public void setRedirect(boolean redirect) {
this.redirect = redirect;
}
@Override
public boolean isIncludeViewParams() {
return includeViewParams;
}
public void setIncludeViewParams(boolean includeViewParams) {
this.includeViewParams = includeViewParams;
}
@Override
public boolean equals(Object obj) {
if (obj == null) {
return false;
}
if (getClass() != obj.getClass()) {
return false;
}
final MutableNavigationCase other = (MutableNavigationCase) obj;
if (fromViewId == null ? other.fromViewId != null : !fromViewId.equals(other.fromViewId)) {
return false;
}
if (fromAction == null ? other.fromAction != null : !fromAction.equals(other.fromAction)) {
return false;
}
if (fromOutcome == null ? other.fromOutcome != null : !fromOutcome.equals(other.fromOutcome)) {
return false;
}
if (condition == null ? other.condition != null : !condition.equals(other.condition)) {
return false;
}
if (toViewId == null ? other.toViewId != null : !toViewId.equals(other.toViewId)) {
return false;
}
if (toFlowDocumentId == null ? other.toFlowDocumentId != null : !toFlowDocumentId.equals(other.toFlowDocumentId)) {
return false;
}
if (parameters != other.parameters && (parameters == null || !parameters.equals(other.parameters))) {
return false;
}
if (redirect != other.redirect) {
return false;
}
if (includeViewParams != other.includeViewParams) {
return false;
}
return true;
}
@Override
public int hashCode() {
int hash = 3;
hash = 29 * hash + (fromViewId != null ? fromViewId.hashCode() : 0);
hash = 29 * hash + (fromAction != null ? fromAction.hashCode() : 0);
hash = 29 * hash + (fromOutcome != null ? fromOutcome.hashCode() : 0);
hash = 29 * hash + (condition != null ? condition.hashCode() : 0);
hash = 29 * hash + (toViewId != null ? toViewId.hashCode() : 0);
hash = 29 * hash + (toFlowDocumentId != null ? toFlowDocumentId.hashCode() : 0);
hash = 29 * hash + (parameters != null ? parameters.hashCode() : 0);
hash = 29 * hash + (redirect ? 1 : 0);
hash = 29 * hash + (includeViewParams ? 1 : 0);
return hash;
}
@Override
public String toString() {
if (toString == null) {
StringBuilder sb = new StringBuilder(64);
sb.append("NavigationCase{");
sb.append("fromViewId='").append(fromViewId).append('\'');
sb.append(", fromAction='").append(fromAction).append('\'');
sb.append(", fromOutcome='").append(fromOutcome).append('\'');
sb.append(", if='").append(condition).append('\'');
sb.append(", toViewId='").append(toViewId).append('\'');
sb.append(", faces-redirect=").append(redirect);
sb.append(", includeViewParams=").append(includeViewParams).append('\'');
sb.append(", parameters=").append(parameters != null ? parameters.toString() : "");
sb.append('}');
toString = sb.toString();
}
return toString;
}
}