impl/src/main/java/org/apache/myfaces/flow/NavigationCaseImpl.java - myfaces - Git at Google

 /*
  * Licensed to the Apache Software Foundation (ASF) under one
  * or more contributor license agreements.  See the NOTICE file
  * distributed with this work for additional information
  * regarding copyright ownership.  The ASF licenses this file
  * to you 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.apache.myfaces.flow;

 import java.util.List;
 import java.util.Map;
 import javax.el.ExpressionFactory;
 import javax.el.ValueExpression;
 import javax.faces.application.NavigationCase;
 import javax.faces.context.FacesContext;

 /**
  *
  * @author lu4242
  */
 public class NavigationCaseImpl extends NavigationCase implements Freezable
 {
     private String _condition;
     private String _fromAction;
     private String _fromOutcome;
     private String _fromViewId;
     private String _toViewId;
     private String _toFlowDocumentId;
     private boolean _includeViewParams;
     private boolean _redirect;
     private Map<String, List<String>> _parameters;
     private ValueExpression _conditionExpression;
     private ValueExpression _toViewIdExpression;

     private boolean _initialized;

     public NavigationCaseImpl()
     {
         super(null, null, null, null, null, null, false, false);
     }

     public NavigationCaseImpl(String fromViewId, String fromAction, String fromOutcome, String condition,
             String toViewId,
             Map<String, List<String>> parameters, boolean redirect, boolean includeViewParams)
     {
         super(fromViewId, fromAction, fromOutcome, condition, toViewId, parameters, redirect, includeViewParams);
         _condition = condition;
         _fromViewId = fromViewId;
         _fromAction = fromAction;
         _fromOutcome = fromOutcome;
         _toViewId = toViewId;
         _toFlowDocumentId = null;
         _redirect = redirect;
         _includeViewParams = includeViewParams;
         _parameters = parameters;
     }

     public NavigationCaseImpl(String fromViewId, String fromAction, String fromOutcome, String condition,
             String toViewId,
             String toFlowDocumentId, Map<String, List<String>> parameters, boolean redirect,
             boolean includeViewParams)
     {
         super(fromViewId, fromAction, fromOutcome, condition, toViewId, toFlowDocumentId, parameters, redirect,
                 includeViewParams);
         _condition = condition;
         _fromViewId = fromViewId;
         _fromAction = fromAction;
         _fromOutcome = fromOutcome;
         _toViewId = toViewId;
         _toFlowDocumentId = toFlowDocumentId;
         _redirect = redirect;
         _includeViewParams = includeViewParams;
         _parameters = parameters;

     }

     public String getCondition()
     {
         return _condition;
     }

     public void setCondition(String condition)
     {
         checkInitialized();
         this._condition = condition;
     }

     @Override
     public String getFromAction()
     {
         return _fromAction;
     }

     public void setFromAction(String fromAction)
     {
         checkInitialized();
         this._fromAction = fromAction;
     }

     @Override
     public String getFromOutcome()
     {
         return _fromOutcome;
     }

     public void setFromOutcome(String fromOutcome)
     {
         checkInitialized();
         this._fromOutcome = fromOutcome;
     }

     @Override
     public String getFromViewId()
     {
         return _fromViewId;
     }

     public void setFromViewId(String fromViewId)
     {
         checkInitialized();
         this._fromViewId = fromViewId;
     }

     public String getToViewId()
     {
         return _toViewId;
     }

     public void setToViewId(String toViewId)
     {
         checkInitialized();
         this._toViewId = toViewId;
     }

     @Override
     public String getToFlowDocumentId()
     {
         return _toFlowDocumentId;
     }

     public void setToFlowDocumentId(String toFlowDocumentId)
     {
         checkInitialized();
         this._toFlowDocumentId = toFlowDocumentId;
     }

     @Override
     public boolean isIncludeViewParams()
     {
         return _includeViewParams;
     }

     public void setIncludeViewParams(boolean includeViewParams)
     {
         checkInitialized();
         this._includeViewParams = includeViewParams;
     }

     @Override
     public boolean isRedirect()
     {
         return _redirect;
     }

     public void setRedirect(boolean redirect)
     {
         checkInitialized();
         this._redirect = redirect;
     }

     @Override
     public Map<String, List<String>> getParameters()
     {
         return _parameters;
     }

     public void setParameters(Map<String, List<String>> parameters)
     {
         checkInitialized();
         this._parameters = parameters;
     }

     public ValueExpression getConditionExpression()
     {
         return _conditionExpression;
     }

     public void setConditionExpression(ValueExpression conditionExpression)
     {
         checkInitialized();
         this._conditionExpression = conditionExpression;
     }

     public ValueExpression getToViewIdExpression()
     {
         return _toViewIdExpression;
     }

     public void setToViewIdExpression(ValueExpression toViewIdExpression)
     {
         checkInitialized();
         this._toViewIdExpression = toViewIdExpression;
     }

     @Override
     public Boolean getCondition(FacesContext context)
     {
         if (_condition == null)
         {
             return null;
         }

         ValueExpression expression = _getConditionExpression(context);

         return Boolean.TRUE.equals(expression.getValue(context.getELContext()));
     }

     private ValueExpression _getConditionExpression(FacesContext context)
     {
         assert _condition != null;

         if (_conditionExpression == null)
         {
             ExpressionFactory factory = context.getApplication().getExpressionFactory();
             _conditionExpression = factory.createValueExpression(context.getELContext(), _condition, Boolean.class);
         }

         return _conditionExpression;
     }

     @Override
     public String getToViewId(FacesContext context)
     {
         if (_toViewId == null)
         {
             return null;
         }

         ValueExpression expression = _getToViewIdExpression(context);

         return (String) ((expression.isLiteralText())
                 ? expression.getExpressionString() : expression.getValue(context.getELContext()));
     }

     private ValueExpression _getToViewIdExpression(FacesContext context)
     {
         assert _toViewId != null;

         if (_toViewIdExpression == null)
         {
             ExpressionFactory factory = context.getApplication().getExpressionFactory();
             _toViewIdExpression = factory.createValueExpression(context.getELContext(), _toViewId, String.class);
         }

         return _toViewIdExpression;
     }

     @Override
     public boolean hasCondition()
     {
         return _condition != null && _condition.length() > 0;
     }

     @Override
     public int hashCode()
     {
         int hash = 5;
         hash = 47 * hash + (this._condition != null ? this._condition.hashCode() : 0);
         hash = 47 * hash + (this._fromAction != null ? this._fromAction.hashCode() : 0);
         hash = 47 * hash + (this._fromOutcome != null ? this._fromOutcome.hashCode() : 0);
         hash = 47 * hash + (this._fromViewId != null ? this._fromViewId.hashCode() : 0);
         hash = 47 * hash + (this._toViewId != null ? this._toViewId.hashCode() : 0);
         hash = 47 * hash + (this._toFlowDocumentId != null ? this._toFlowDocumentId.hashCode() : 0);
         hash = 47 * hash + (this._includeViewParams ? 1 : 0);
         hash = 47 * hash + (this._redirect ? 1 : 0);
         hash = 47 * hash + (this._parameters != null ? this._parameters.hashCode() : 0);
         hash = 47 * hash + (this._conditionExpression != null ? this._conditionExpression.hashCode() : 0);
         hash = 47 * hash + (this._toViewIdExpression != null ? this._toViewIdExpression.hashCode() : 0);
         return hash;
     }

     @Override
     public boolean equals(Object obj)
     {
         if (obj == null)
         {
             return false;
         }
         if (getClass() != obj.getClass())
         {
             return false;
         }
         final NavigationCaseImpl other = (NavigationCaseImpl) obj;
         if ((this._condition == null) ? (other._condition != null) : !this._condition.equals(other._condition))
         {
             return false;
         }
         if ((this._fromAction == null) ? (other._fromAction != null) : !this._fromAction.equals(other._fromAction))
         {
             return false;
         }
         if ((this._fromOutcome == null) ? (other._fromOutcome != null) :
                 !this._fromOutcome.equals(other._fromOutcome))
         {
             return false;
         }
         if ((this._fromViewId == null) ? (other._fromViewId != null) : !this._fromViewId.equals(other._fromViewId))
         {
             return false;
         }
         if ((this._toViewId == null) ? (other._toViewId != null) : !this._toViewId.equals(other._toViewId))
         {
             return false;
         }
         if ((this._toFlowDocumentId == null) ? (other._toFlowDocumentId != null) :
                 !this._toFlowDocumentId.equals(other._toFlowDocumentId))
         {
             return false;
         }
         if (this._includeViewParams != other._includeViewParams)
         {
             return false;
         }
         if (this._redirect != other._redirect)
         {
             return false;
         }
         if (this._parameters != other._parameters && (this._parameters == null ||
                 !this._parameters.equals(other._parameters)))
         {
             return false;
         }
         if (this._conditionExpression != other._conditionExpression && (this._conditionExpression == null ||
                 !this._conditionExpression.equals(other._conditionExpression)))
         {
             return false;
         }
         if (this._toViewIdExpression != other._toViewIdExpression && (this._toViewIdExpression == null ||
                 !this._toViewIdExpression.equals(other._toViewIdExpression)))
         {
             return false;
         }
         return true;
     }

     @Override
     public void freeze()
     {
         _initialized = true;
     }

     private void checkInitialized() throws IllegalStateException
     {
         if (_initialized)
         {
             throw new IllegalStateException("Flow is inmutable once initialized");
         }
     }
 }
	/*
	* Licensed to the Apache Software Foundation (ASF) under one
	* or more contributor license agreements. See the NOTICE file
	* distributed with this work for additional information
	* regarding copyright ownership. The ASF licenses this file
	* to you 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.apache.myfaces.flow;

	import java.util.List;
	import java.util.Map;
	import javax.el.ExpressionFactory;
	import javax.el.ValueExpression;
	import javax.faces.application.NavigationCase;
	import javax.faces.context.FacesContext;

	/**
	*
	* @author lu4242
	*/
	public class NavigationCaseImpl extends NavigationCase implements Freezable
	{
	private String _condition;
	private String _fromAction;
	private String _fromOutcome;
	private String _fromViewId;
	private String _toViewId;
	private String _toFlowDocumentId;
	private boolean _includeViewParams;
	private boolean _redirect;
	private Map<String, List<String>> _parameters;
	private ValueExpression _conditionExpression;
	private ValueExpression _toViewIdExpression;

	private boolean _initialized;

	public NavigationCaseImpl()
	{
	super(null, null, null, null, null, null, false, false);
	}

	public NavigationCaseImpl(String fromViewId, String fromAction, String fromOutcome, String condition,
	String toViewId,
	Map<String, List<String>> parameters, boolean redirect, boolean includeViewParams)
	{
	super(fromViewId, fromAction, fromOutcome, condition, toViewId, parameters, redirect, includeViewParams);
	_condition = condition;
	_fromViewId = fromViewId;
	_fromAction = fromAction;
	_fromOutcome = fromOutcome;
	_toViewId = toViewId;
	_toFlowDocumentId = null;
	_redirect = redirect;
	_includeViewParams = includeViewParams;
	_parameters = parameters;
	}

	public NavigationCaseImpl(String fromViewId, String fromAction, String fromOutcome, String condition,
	String toViewId,
	String toFlowDocumentId, Map<String, List<String>> parameters, boolean redirect,
	boolean includeViewParams)
	{
	super(fromViewId, fromAction, fromOutcome, condition, toViewId, toFlowDocumentId, parameters, redirect,
	includeViewParams);
	_condition = condition;
	_fromViewId = fromViewId;
	_fromAction = fromAction;
	_fromOutcome = fromOutcome;
	_toViewId = toViewId;
	_toFlowDocumentId = toFlowDocumentId;
	_redirect = redirect;
	_includeViewParams = includeViewParams;
	_parameters = parameters;

	}

	public String getCondition()
	{
	return _condition;
	}

	public void setCondition(String condition)
	{
	checkInitialized();
	this._condition = condition;
	}

	@Override
	public String getFromAction()
	{
	return _fromAction;
	}

	public void setFromAction(String fromAction)
	{
	checkInitialized();
	this._fromAction = fromAction;
	}

	@Override
	public String getFromOutcome()
	{
	return _fromOutcome;
	}

	public void setFromOutcome(String fromOutcome)
	{
	checkInitialized();
	this._fromOutcome = fromOutcome;
	}

	@Override
	public String getFromViewId()
	{
	return _fromViewId;
	}

	public void setFromViewId(String fromViewId)
	{
	checkInitialized();
	this._fromViewId = fromViewId;
	}

	public String getToViewId()
	{
	return _toViewId;
	}

	public void setToViewId(String toViewId)
	{
	checkInitialized();
	this._toViewId = toViewId;
	}

	@Override
	public String getToFlowDocumentId()
	{
	return _toFlowDocumentId;
	}

	public void setToFlowDocumentId(String toFlowDocumentId)
	{
	checkInitialized();
	this._toFlowDocumentId = toFlowDocumentId;
	}

	@Override
	public boolean isIncludeViewParams()
	{
	return _includeViewParams;
	}

	public void setIncludeViewParams(boolean includeViewParams)
	{
	checkInitialized();
	this._includeViewParams = includeViewParams;
	}

	@Override
	public boolean isRedirect()
	{
	return _redirect;
	}

	public void setRedirect(boolean redirect)
	{
	checkInitialized();
	this._redirect = redirect;
	}

	@Override
	public Map<String, List<String>> getParameters()
	{
	return _parameters;
	}

	public void setParameters(Map<String, List<String>> parameters)
	{
	checkInitialized();
	this._parameters = parameters;
	}

	public ValueExpression getConditionExpression()
	{
	return _conditionExpression;
	}

	public void setConditionExpression(ValueExpression conditionExpression)
	{
	checkInitialized();
	this._conditionExpression = conditionExpression;
	}

	public ValueExpression getToViewIdExpression()
	{
	return _toViewIdExpression;
	}

	public void setToViewIdExpression(ValueExpression toViewIdExpression)
	{
	checkInitialized();
	this._toViewIdExpression = toViewIdExpression;
	}

	@Override
	public Boolean getCondition(FacesContext context)
	{
	if (_condition == null)
	{
	return null;
	}

	ValueExpression expression = _getConditionExpression(context);

	return Boolean.TRUE.equals(expression.getValue(context.getELContext()));
	}

	private ValueExpression _getConditionExpression(FacesContext context)
	{
	assert _condition != null;

	if (_conditionExpression == null)
	{
	ExpressionFactory factory = context.getApplication().getExpressionFactory();
	_conditionExpression = factory.createValueExpression(context.getELContext(), _condition, Boolean.class);
	}

	return _conditionExpression;
	}

	@Override
	public String getToViewId(FacesContext context)
	{
	if (_toViewId == null)
	{
	return null;
	}

	ValueExpression expression = _getToViewIdExpression(context);

	return (String) ((expression.isLiteralText())
	? expression.getExpressionString() : expression.getValue(context.getELContext()));
	}

	private ValueExpression _getToViewIdExpression(FacesContext context)
	{
	assert _toViewId != null;

	if (_toViewIdExpression == null)
	{
	ExpressionFactory factory = context.getApplication().getExpressionFactory();
	_toViewIdExpression = factory.createValueExpression(context.getELContext(), _toViewId, String.class);
	}

	return _toViewIdExpression;
	}

	@Override
	public boolean hasCondition()
	{
	return _condition != null && _condition.length() > 0;
	}

	@Override
	public int hashCode()
	{
	int hash = 5;
	hash = 47 * hash + (this._condition != null ? this._condition.hashCode() : 0);
	hash = 47 * hash + (this._fromAction != null ? this._fromAction.hashCode() : 0);
	hash = 47 * hash + (this._fromOutcome != null ? this._fromOutcome.hashCode() : 0);
	hash = 47 * hash + (this._fromViewId != null ? this._fromViewId.hashCode() : 0);
	hash = 47 * hash + (this._toViewId != null ? this._toViewId.hashCode() : 0);
	hash = 47 * hash + (this._toFlowDocumentId != null ? this._toFlowDocumentId.hashCode() : 0);
	hash = 47 * hash + (this._includeViewParams ? 1 : 0);
	hash = 47 * hash + (this._redirect ? 1 : 0);
	hash = 47 * hash + (this._parameters != null ? this._parameters.hashCode() : 0);
	hash = 47 * hash + (this._conditionExpression != null ? this._conditionExpression.hashCode() : 0);
	hash = 47 * hash + (this._toViewIdExpression != null ? this._toViewIdExpression.hashCode() : 0);
	return hash;
	}

	@Override
	public boolean equals(Object obj)
	{
	if (obj == null)
	{
	return false;
	}
	if (getClass() != obj.getClass())
	{
	return false;
	}
	final NavigationCaseImpl other = (NavigationCaseImpl) obj;
	if ((this._condition == null) ? (other._condition != null) : !this._condition.equals(other._condition))
	{
	return false;
	}
	if ((this._fromAction == null) ? (other._fromAction != null) : !this._fromAction.equals(other._fromAction))
	{
	return false;
	}
	if ((this._fromOutcome == null) ? (other._fromOutcome != null) :
	!this._fromOutcome.equals(other._fromOutcome))
	{
	return false;
	}
	if ((this._fromViewId == null) ? (other._fromViewId != null) : !this._fromViewId.equals(other._fromViewId))
	{
	return false;
	}
	if ((this._toViewId == null) ? (other._toViewId != null) : !this._toViewId.equals(other._toViewId))
	{
	return false;
	}
	if ((this._toFlowDocumentId == null) ? (other._toFlowDocumentId != null) :
	!this._toFlowDocumentId.equals(other._toFlowDocumentId))
	{
	return false;
	}
	if (this._includeViewParams != other._includeViewParams)
	{
	return false;
	}
	if (this._redirect != other._redirect)
	{
	return false;
	}
	if (this._parameters != other._parameters && (this._parameters == null \|\|
	!this._parameters.equals(other._parameters)))
	{
	return false;
	}
	if (this._conditionExpression != other._conditionExpression && (this._conditionExpression == null \|\|
	!this._conditionExpression.equals(other._conditionExpression)))
	{
	return false;
	}
	if (this._toViewIdExpression != other._toViewIdExpression && (this._toViewIdExpression == null \|\|
	!this._toViewIdExpression.equals(other._toViewIdExpression)))
	{
	return false;
	}
	return true;
	}

	@Override
	public void freeze()
	{
	_initialized = true;
	}

	private void checkInitialized() throws IllegalStateException
	{
	if (_initialized)
	{
	throw new IllegalStateException("Flow is inmutable once initialized");
	}
	}
	}