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EE4J Compatible Implementation for Jakarta Faces API
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/*
 * Copyright (c) 1997, 2018 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;

import java.io.Serializable;
import java.util.Collections;
import java.util.List;
import java.util.Map;
import java.util.concurrent.ConcurrentHashMap;
import javax.el.ValueExpression;
import javax.faces.context.FacesContext;
import javax.faces.flow.FlowCallNode;
import javax.faces.flow.Parameter;

public class FlowCallNodeImpl extends FlowCallNode implements Serializable {
    private static final long serialVersionUID = 543332738561754405L;
    
    private final String id;
    private final ValueExpression calledFlowIdVE;
    
    private final ValueExpression calledFlowDocumentIdVE;
    
    private Map _outboundParameters;
    private Map outboundParameters;

    public FlowCallNodeImpl(String id, 
            String calledFlowDocumentId, 
            String calledFlowId, 
            List outboundParametersFromConfig) {
        FacesContext context = FacesContext.getCurrentInstance();
        this.id = id;
        
        if (null != calledFlowDocumentId) {
            this.calledFlowDocumentIdVE = context.getApplication().getExpressionFactory().createValueExpression(context.getELContext(), calledFlowDocumentId, String.class);
        } else {
            this.calledFlowDocumentIdVE = null;
        }
        
        if (null != calledFlowId) {
            this.calledFlowIdVE = context.getApplication().getExpressionFactory().createValueExpression(context.getELContext(), calledFlowId, String.class);
        } else {
            this.calledFlowIdVE = null;
        }
        
        _outboundParameters = new ConcurrentHashMap<>();            
        if (null != outboundParametersFromConfig) {
            for (Parameter cur : outboundParametersFromConfig) {
                _outboundParameters.put(cur.getName(), cur);
            }
        }
        outboundParameters = Collections.unmodifiableMap(_outboundParameters);
        
    }

    @Override
    public boolean equals(Object obj) {
        if (obj == null) {
            return false;
        }
        if (getClass() != obj.getClass()) {
            return false;
        }
        final FlowCallNodeImpl other = (FlowCallNodeImpl) obj;
        if ((this.id == null) ? (other.id != null) : !this.id.equals(other.id)) {
            return false;
        }
        if (this.calledFlowIdVE != other.calledFlowIdVE && (this.calledFlowIdVE == null || !this.calledFlowIdVE.equals(other.calledFlowIdVE))) {
            return false;
        }
        if (this.calledFlowDocumentIdVE != other.calledFlowDocumentIdVE && (this.calledFlowDocumentIdVE == null || !this.calledFlowDocumentIdVE.equals(other.calledFlowDocumentIdVE))) {
            return false;
        }
        if (this._outboundParameters != other._outboundParameters && (this._outboundParameters == null || !this._outboundParameters.equals(other._outboundParameters))) {
            return false;
        }
        return true;
    }

    @Override
    public int hashCode() {
        int hash = 3;
        hash = 59 * hash + (this.id != null ? this.id.hashCode() : 0);
        hash = 59 * hash + (this.calledFlowIdVE != null ? this.calledFlowIdVE.hashCode() : 0);
        hash = 59 * hash + (this.calledFlowDocumentIdVE != null ? this.calledFlowDocumentIdVE.hashCode() : 0);
        hash = 59 * hash + (this._outboundParameters != null ? this._outboundParameters.hashCode() : 0);
        return hash;
    }
    
    
    

    @Override
    public String getId() {
        return id;
    }

    @Override
    public String getCalledFlowDocumentId(FacesContext context) {
        String result = null;
        
        if (null != calledFlowDocumentIdVE) {
            result = (String) calledFlowDocumentIdVE.getValue(context.getELContext());
        }
        
        return result;
    }

    @Override
    public String getCalledFlowId(FacesContext context) {
        String result = null;
        
        if (null != calledFlowIdVE) {
            result = (String) calledFlowIdVE.getValue(context.getELContext());
        }
        
        return result;
    }

    public Map _getOutboundParameters() {
        return _outboundParameters;
    }

    @Override
    public Map getOutboundParameters() {
        return _outboundParameters;
    }
}