/*******************************************************************************
 * Copyright (c) 2001, 2005 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 * IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jst.j2ee.jsp.internal.util;

import java.util.List;

import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.jst.j2ee.common.CompatibilityDescriptionGroup;
import org.eclipse.jst.j2ee.common.DescriptionGroup;
import org.eclipse.jst.j2ee.jsp.JSPConfig;
import org.eclipse.jst.j2ee.jsp.JSPPropertyGroup;
import org.eclipse.jst.j2ee.jsp.JspPackage;
import org.eclipse.jst.j2ee.jsp.TagLibRefType;


/**
 * <!-- begin-user-doc -->
 * The <b>Switch</b> for the model's inheritance hierarchy.
 * It supports the call {@link #doSwitch doSwitch(object)}
 * to invoke the <code>caseXXX</code> method for each class of the model,
 * starting with the actual class of the object
 * and proceeding up the inheritance hierarchy
 * until a non-null result is returned,
 * which is the result of the switch.
 * <!-- end-user-doc -->
 * @see org.eclipse.jst.j2ee.jsp.JspPackage
 * @generated
 */
public class JspSwitch {
	/**
	 * The cached model package
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected static JspPackage modelPackage;

	/**
	 * Creates an instance of the switch.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public JspSwitch() {
		if (modelPackage == null) {
			modelPackage = JspPackage.eINSTANCE;
		}
	}

	/**
	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	public Object doSwitch(EObject theEObject) {
		return doSwitch(theEObject.eClass(), theEObject);
	}

	/**
	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	protected Object doSwitch(EClass theEClass, EObject theEObject) {
		if (theEClass.eContainer() == modelPackage) {
			return doSwitch(theEClass.getClassifierID(), theEObject);
		}
		else {
			List eSuperTypes = theEClass.getESuperTypes();
			return
				eSuperTypes.isEmpty() ?
					defaultCase(theEObject) :
					doSwitch((EClass)eSuperTypes.get(0), theEObject);
		}
	}

	/**
	 * Calls <code>caseXXX</code> for each class of the model until one returns a non null result; it yields that result.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @return the first non-null result returned by a <code>caseXXX</code> call.
	 * @generated
	 */
	protected Object doSwitch(int classifierID, EObject theEObject) {
		switch (classifierID) {
			case JspPackage.JSP_CONFIG: {
				JSPConfig jspConfig = (JSPConfig)theEObject;
				Object result = caseJSPConfig(jspConfig);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case JspPackage.JSP_PROPERTY_GROUP: {
				JSPPropertyGroup jspPropertyGroup = (JSPPropertyGroup)theEObject;
				Object result = caseJSPPropertyGroup(jspPropertyGroup);
				if (result == null) result = caseCompatibilityDescriptionGroup(jspPropertyGroup);
				if (result == null) result = caseDescriptionGroup(jspPropertyGroup);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			case JspPackage.TAG_LIB_REF_TYPE: {
				TagLibRefType tagLibRefType = (TagLibRefType)theEObject;
				Object result = caseTagLibRefType(tagLibRefType);
				if (result == null) result = defaultCase(theEObject);
				return result;
			}
			default: return defaultCase(theEObject);
		}
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>JSP Config</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>JSP Config</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseJSPConfig(JSPConfig object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>JSP Property Group</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>JSP Property Group</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseJSPPropertyGroup(JSPPropertyGroup object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Tag Lib Ref Type</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>Tag Lib Ref Type</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseTagLibRefType(TagLibRefType object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Description Group</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>Description Group</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseDescriptionGroup(DescriptionGroup object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>Compatibility Description Group</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>Compatibility Description Group</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject) doSwitch(EObject)
	 * @generated
	 */
	public Object caseCompatibilityDescriptionGroup(CompatibilityDescriptionGroup object) {
		return null;
	}

	/**
	 * Returns the result of interpretting the object as an instance of '<em>EObject</em>'.
	 * <!-- begin-user-doc -->
	 * This implementation returns null;
	 * returning a non-null result will terminate the switch, but this is the last case anyway.
	 * <!-- end-user-doc -->
	 * @param object the target of the switch.
	 * @return the result of interpretting the object as an instance of '<em>EObject</em>'.
	 * @see #doSwitch(org.eclipse.emf.ecore.EObject)
	 * @generated
	 */
	public Object defaultCase(EObject object) {
		return null;
	}

} //JspSwitch