/*******************************************************************************
 * Copyright (c) 2001, 2004 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.wst.dtd.core.internal.emf.impl;

import java.util.ArrayList;
import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.notify.impl.NotificationChainImpl;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.EClassImpl;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.wst.dtd.core.internal.emf.DTDAttribute;
import org.eclipse.wst.dtd.core.internal.emf.DTDContent;
import org.eclipse.wst.dtd.core.internal.emf.DTDElement;
import org.eclipse.wst.dtd.core.internal.emf.DTDElementContent;
import org.eclipse.wst.dtd.core.internal.emf.DTDElementReferenceContent;
import org.eclipse.wst.dtd.core.internal.emf.DTDFile;
import org.eclipse.wst.dtd.core.internal.emf.DTDLexicalInfo;
import org.eclipse.wst.dtd.core.internal.emf.DTDObject;
import org.eclipse.wst.dtd.core.internal.emf.DTDPackage;
import org.eclipse.wst.dtd.core.internal.emf.util.DTDPathnameUtil;
import org.eclipse.wst.dtd.core.internal.emf.util.DTDVisitor;


/**
 * @generated
 */
public class DTDElementImpl extends EClassImpl implements DTDElement {
	/**
	 * The default value of the '{@link #getComment() <em>Comment</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getComment()
	 * @generated
	 * @ordered
	 */
	protected static final String COMMENT_EDEFAULT = null;

	public DTDElementImpl() {
		super();
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	protected EClass eStaticClass() {
		return DTDPackage.eINSTANCE.getDTDElement();
	}

	public void addDTDAttribute(DTDAttribute attribute) {
		getDTDAttribute().add(attribute);
	}

	public String getPathname() {
		return DTDPathnameUtil.makePath(null, "Elem", getName(), -1); //$NON-NLS-1$
	}

	public DTDObject findObject(String relativePath) {
		Object[] result = DTDPathnameUtil.parsePathComponent(relativePath);

		String type = (String) result[0];

		if (type == null)
			return null;

		String name = (String) result[1];

		DTDObject obj = null;
		if (type.equals("Attr")) { //$NON-NLS-1$
			// TODO: fix port
			// obj = findAttribute(name);
		}
		else if ((type.equals("Content")) || (type.equals("ElemRef")) || (type.equals("EntRef"))) { //$NON-NLS-1$ //$NON-NLS-2$ //$NON-NLS-3$
			obj = getContent();
		}
		else {
			return null;
		}

		String restPath = (String) result[3];

		if ((restPath == null) || (obj == null)) {
			return obj;
		}
		else {
			return obj.findObject(restPath);
		}
	}

	// returns all references in the same DTDFile that reference this element
	public Collection getReferences() {
		DTDFile file = getDTDFile();
		final Collection result = new ArrayList();

		DTDVisitor visitRefs = new DTDVisitor() {
			public void visitDTDElementReferenceContent(DTDElementReferenceContent elementReferenceContent) {
				if (elementReferenceContent.getReferencedElement() == DTDElementImpl.this) {
					result.add(elementReferenceContent);
				} // end of if ()
			}
		};
		visitRefs.visitDTDFile(file);
		return result;
	}

	public String getAttributeDetail() {
		String attributeString = ""; //$NON-NLS-1$
		Collection attributes = getDTDAttribute();
		if (attributes != null) {
			boolean seenOne = false;
			for (java.util.Iterator i = attributes.iterator(); i.hasNext();) {
				if (seenOne) {
					attributeString = attributeString + ", "; //$NON-NLS-1$
				}
				else {
					seenOne = true;
				} // end of else

				attributeString = attributeString + ((DTDAttribute) i.next()).getName();
			}
		} // end of if ()
		return attributeString;
	}


	// ugly hack for now since we don't have multiple inheritance.
	// Would rather have all this stuff in a base class but these
	// classes are inheriting from sometimes different mof classes
	DTDLexicalInfo lexInfo = new DTDLexicalInfo();
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected String comment = COMMENT_EDEFAULT;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected DTDElementContent content = null;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected EList dtdAttribute = null;

	/**
	 * Get the value of startOffset.
	 * 
	 * @return value of startOffset.
	 */
	public int getStartOffset() {
		return lexInfo.getStartOffset();
	}

	/**
	 * Set the value of startOffset.
	 * 
	 * @param v
	 *            Value to assign to startOffset.
	 */
	public void setStartOffset(int v) {
		lexInfo.setStartOffset(v);
	}

	/**
	 * Get the value of endOffset.
	 * 
	 * @return value of endOffset.
	 */
	public int getEndOffset() {
		return lexInfo.getEndOffset();
	}

	/**
	 * Set the value of endOffset.
	 * 
	 * @param v
	 *            Value to assign to endOffset.
	 */
	public void setEndOffset(int v) {
		lexInfo.setEndOffset(v);
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public String getComment() {
		return comment;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setComment(String newComment) {
		String oldComment = comment;
		comment = newComment;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_ELEMENT__COMMENT, oldComment, comment));
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public DTDElementContent getContent() {
		return content;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain basicSetContent(DTDElementContent newContent, NotificationChain msgs) {
		DTDElementContent oldContent = content;
		content = newContent;
		if (eNotificationRequired()) {
			if (msgs == null)
				msgs = new NotificationChainImpl(4);
			msgs.add(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_ELEMENT__CONTENT, oldContent, newContent));
		}
		return msgs;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setContent(DTDElementContent newContent) {
		if (newContent != content) {
			NotificationChain msgs = null;
			if (content != null)
				msgs = ((InternalEObject) content).eInverseRemove(this, DTDPackage.DTD_ELEMENT_CONTENT__ELEMENT, DTDElementContent.class, msgs);
			if (newContent != null)
				msgs = ((InternalEObject) newContent).eInverseAdd(this, DTDPackage.DTD_ELEMENT_CONTENT__ELEMENT, DTDElementContent.class, msgs);
			msgs = basicSetContent(newContent, msgs);
			if (msgs != null)
				msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_ELEMENT__CONTENT, newContent, newContent));
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public EList getDTDAttribute() {
		if (dtdAttribute == null) {
			dtdAttribute = new EObjectContainmentWithInverseEList(DTDAttribute.class, this, DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE, DTDPackage.DTD_ATTRIBUTE__DTD_ELEMENT);
		}
		return dtdAttribute;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
					return ((InternalEList) getEAnnotations()).basicAdd(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__EPACKAGE :
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd, DTDPackage.DTD_ELEMENT__EPACKAGE, msgs);
				case DTDPackage.DTD_ELEMENT__EOPERATIONS :
					return ((InternalEList) getEOperations()).basicAdd(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__DTD_FILE :
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd, DTDPackage.DTD_ELEMENT__DTD_FILE, msgs);
				case DTDPackage.DTD_ELEMENT__CONTENT :
					if (content != null)
						msgs = ((InternalEObject) content).eInverseRemove(this, EOPPOSITE_FEATURE_BASE - DTDPackage.DTD_ELEMENT__CONTENT, null, msgs);
					return basicSetContent((DTDElementContent) otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
					return ((InternalEList) getDTDAttribute()).basicAdd(otherEnd, msgs);
				default :
					return eDynamicInverseAdd(otherEnd, featureID, baseClass, msgs);
			}
		}
		if (eContainer != null)
			msgs = eBasicRemoveFromContainer(msgs);
		return eBasicSetContainer(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (baseClass == null ? featureID : eDerivedStructuralFeatureID(featureID, baseClass)) {
				case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
					return ((InternalEList) getEAnnotations()).basicRemove(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__EPACKAGE :
					return eBasicSetContainer(null, DTDPackage.DTD_ELEMENT__EPACKAGE, msgs);
				case DTDPackage.DTD_ELEMENT__EOPERATIONS :
					return ((InternalEList) getEOperations()).basicRemove(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__EREFERENCES :
					return ((InternalEList) getEReferences()).basicRemove(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__EATTRIBUTES :
					return ((InternalEList) getEAttributes()).basicRemove(otherEnd, msgs);
				case DTDPackage.DTD_ELEMENT__DTD_FILE :
					return eBasicSetContainer(null, DTDPackage.DTD_ELEMENT__DTD_FILE, msgs);
				case DTDPackage.DTD_ELEMENT__CONTENT :
					return basicSetContent(null, msgs);
				case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
					return ((InternalEList) getDTDAttribute()).basicRemove(otherEnd, msgs);
				default :
					return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainer(NotificationChain msgs) {
		if (eContainerFeatureID >= 0) {
			switch (eContainerFeatureID) {
				case DTDPackage.DTD_ELEMENT__EPACKAGE :
					return eContainer.eInverseRemove(this, EcorePackage.EPACKAGE__ECLASSIFIERS, EPackage.class, msgs);
				case DTDPackage.DTD_ELEMENT__DTD_FILE :
					return eContainer.eInverseRemove(this, DTDPackage.DTD_FILE__DTD_CONTENT, DTDFile.class, msgs);
				default :
					return eDynamicBasicRemoveFromContainer(msgs);
			}
		}
		return eContainer.eInverseRemove(this, EOPPOSITE_FEATURE_BASE - eContainerFeatureID, null, msgs);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature.getFeatureID(), eFeature.getContainerClass())) {
			case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
				return getEAnnotations();
			case DTDPackage.DTD_ELEMENT__NAME :
				return getName();
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS_NAME :
				return getInstanceClassName();
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS :
				return getInstanceClass();
			case DTDPackage.DTD_ELEMENT__DEFAULT_VALUE :
				return getDefaultValue();
			case DTDPackage.DTD_ELEMENT__EPACKAGE :
				return getEPackage();
			case DTDPackage.DTD_ELEMENT__ABSTRACT :
				return isAbstract() ? Boolean.TRUE : Boolean.FALSE;
			case DTDPackage.DTD_ELEMENT__INTERFACE :
				return isInterface() ? Boolean.TRUE : Boolean.FALSE;
			case DTDPackage.DTD_ELEMENT__ESUPER_TYPES :
				return getESuperTypes();
			case DTDPackage.DTD_ELEMENT__EOPERATIONS :
				return getEOperations();
			case DTDPackage.DTD_ELEMENT__EALL_ATTRIBUTES :
				return getEAllAttributes();
			case DTDPackage.DTD_ELEMENT__EALL_REFERENCES :
				return getEAllReferences();
			case DTDPackage.DTD_ELEMENT__EREFERENCES :
				return getEReferences();
			case DTDPackage.DTD_ELEMENT__EATTRIBUTES :
				return getEAttributes();
			case DTDPackage.DTD_ELEMENT__EALL_CONTAINMENTS :
				return getEAllContainments();
			case DTDPackage.DTD_ELEMENT__EALL_OPERATIONS :
				return getEAllOperations();
			case DTDPackage.DTD_ELEMENT__EALL_STRUCTURAL_FEATURES :
				return getEAllStructuralFeatures();
			case DTDPackage.DTD_ELEMENT__EALL_SUPER_TYPES :
				return getEAllSuperTypes();
			case DTDPackage.DTD_ELEMENT__EID_ATTRIBUTE :
				return getEIDAttribute();
			case DTDPackage.DTD_ELEMENT__DTD_FILE :
				return getDTDFile();
			case DTDPackage.DTD_ELEMENT__COMMENT :
				return getComment();
			case DTDPackage.DTD_ELEMENT__CONTENT :
				return getContent();
			case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
				return getDTDAttribute();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature.getFeatureID(), eFeature.getContainerClass())) {
			case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
				return eAnnotations != null && !getEAnnotations().isEmpty();
			case DTDPackage.DTD_ELEMENT__NAME :
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS_NAME :
				return INSTANCE_CLASS_NAME_EDEFAULT == null ? instanceClassName != null : !INSTANCE_CLASS_NAME_EDEFAULT.equals(instanceClassName);
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS :
				return INSTANCE_CLASS_EDEFAULT == null ? instanceClass != null : !INSTANCE_CLASS_EDEFAULT.equals(instanceClass);
			case DTDPackage.DTD_ELEMENT__DEFAULT_VALUE :
				return getDefaultValue() != null;
			case DTDPackage.DTD_ELEMENT__EPACKAGE :
				return getEPackage() != null;
			case DTDPackage.DTD_ELEMENT__ABSTRACT :
				return ((eFlags & ABSTRACT_EFLAG) != 0) != ABSTRACT_EDEFAULT;
			case DTDPackage.DTD_ELEMENT__INTERFACE :
				return ((eFlags & INTERFACE_EFLAG) != 0) != INTERFACE_EDEFAULT;
			case DTDPackage.DTD_ELEMENT__ESUPER_TYPES :
				return eSuperTypes != null && !getESuperTypes().isEmpty();
			case DTDPackage.DTD_ELEMENT__EOPERATIONS :
				return eOperations != null && !getEOperations().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_ATTRIBUTES :
				return !getEAllAttributes().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_REFERENCES :
				return !getEAllReferences().isEmpty();
			case DTDPackage.DTD_ELEMENT__EREFERENCES :
				return eReferences != null && !getEReferences().isEmpty();
			case DTDPackage.DTD_ELEMENT__EATTRIBUTES :
				return eAttributes != null && !getEAttributes().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_CONTAINMENTS :
				return !getEAllContainments().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_OPERATIONS :
				return !getEAllOperations().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_STRUCTURAL_FEATURES :
				return !getEAllStructuralFeatures().isEmpty();
			case DTDPackage.DTD_ELEMENT__EALL_SUPER_TYPES :
				return !getEAllSuperTypes().isEmpty();
			case DTDPackage.DTD_ELEMENT__EID_ATTRIBUTE :
				return getEIDAttribute() != null;
			case DTDPackage.DTD_ELEMENT__DTD_FILE :
				return getDTDFile() != null;
			case DTDPackage.DTD_ELEMENT__COMMENT :
				return COMMENT_EDEFAULT == null ? comment != null : !COMMENT_EDEFAULT.equals(comment);
			case DTDPackage.DTD_ELEMENT__CONTENT :
				return content != null;
			case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
				return dtdAttribute != null && !getDTDAttribute().isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public int eBaseStructuralFeatureID(int derivedFeatureID, Class baseClass) {
		if (baseClass == DTDContent.class) {
			switch (derivedFeatureID) {
				case DTDPackage.DTD_ELEMENT__DTD_FILE :
					return DTDPackage.DTD_CONTENT__DTD_FILE;
				default :
					return -1;
			}
		}
		return super.eBaseStructuralFeatureID(derivedFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public int eDerivedStructuralFeatureID(int baseFeatureID, Class baseClass) {
		if (baseClass == DTDContent.class) {
			switch (baseFeatureID) {
				case DTDPackage.DTD_CONTENT__DTD_FILE :
					return DTDPackage.DTD_ELEMENT__DTD_FILE;
				default :
					return -1;
			}
		}
		return super.eDerivedStructuralFeatureID(baseFeatureID, baseClass);
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public String toString() {
		if (eIsProxy())
			return super.toString();

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (comment: "); //$NON-NLS-1$
		result.append(comment);
		result.append(')');
		return result.toString();
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature.getFeatureID(), eFeature.getContainerClass())) {
			case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__NAME :
				setName((String) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS_NAME :
				setInstanceClassName((String) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS :
				setInstanceClass((Class) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__ABSTRACT :
				setAbstract(((Boolean) newValue).booleanValue());
				return;
			case DTDPackage.DTD_ELEMENT__INTERFACE :
				setInterface(((Boolean) newValue).booleanValue());
				return;
			case DTDPackage.DTD_ELEMENT__ESUPER_TYPES :
				getESuperTypes().clear();
				getESuperTypes().addAll((Collection) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__EOPERATIONS :
				getEOperations().clear();
				getEOperations().addAll((Collection) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__EREFERENCES :
				getEReferences().clear();
				getEReferences().addAll((Collection) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__EATTRIBUTES :
				getEAttributes().clear();
				getEAttributes().addAll((Collection) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__DTD_FILE :
				setDTDFile((DTDFile) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__COMMENT :
				setComment((String) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__CONTENT :
				setContent((DTDElementContent) newValue);
				return;
			case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
				getDTDAttribute().clear();
				getDTDAttribute().addAll((Collection) newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature.getFeatureID(), eFeature.getContainerClass())) {
			case DTDPackage.DTD_ELEMENT__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case DTDPackage.DTD_ELEMENT__NAME :
				setName(NAME_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS_NAME :
				setInstanceClassName(INSTANCE_CLASS_NAME_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__INSTANCE_CLASS :
				setInstanceClass(INSTANCE_CLASS_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__ABSTRACT :
				setAbstract(ABSTRACT_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__INTERFACE :
				setInterface(INTERFACE_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__ESUPER_TYPES :
				getESuperTypes().clear();
				return;
			case DTDPackage.DTD_ELEMENT__EOPERATIONS :
				getEOperations().clear();
				return;
			case DTDPackage.DTD_ELEMENT__EREFERENCES :
				getEReferences().clear();
				return;
			case DTDPackage.DTD_ELEMENT__EATTRIBUTES :
				getEAttributes().clear();
				return;
			case DTDPackage.DTD_ELEMENT__DTD_FILE :
				setDTDFile((DTDFile) null);
				return;
			case DTDPackage.DTD_ELEMENT__COMMENT :
				setComment(COMMENT_EDEFAULT);
				return;
			case DTDPackage.DTD_ELEMENT__CONTENT :
				setContent((DTDElementContent) null);
				return;
			case DTDPackage.DTD_ELEMENT__DTD_ATTRIBUTE :
				getDTDAttribute().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public DTDFile getDTDFile() {
		if (eContainerFeatureID != DTDPackage.DTD_ELEMENT__DTD_FILE)
			return null;
		return (DTDFile) eContainer;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setDTDFile(DTDFile newDTDFile) {
		if (newDTDFile != eContainer || (eContainerFeatureID != DTDPackage.DTD_ELEMENT__DTD_FILE && newDTDFile != null)) {
			if (EcoreUtil.isAncestor(this, newDTDFile))
				throw new IllegalArgumentException("Recursive containment not allowed for " + toString() + "."); //$NON-NLS-1$ //$NON-NLS-2$
			NotificationChain msgs = null;
			if (eContainer != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newDTDFile != null)
				msgs = ((InternalEObject) newDTDFile).eInverseAdd(this, DTDPackage.DTD_FILE__DTD_CONTENT, DTDFile.class, msgs);
			msgs = eBasicSetContainer((InternalEObject) newDTDFile, DTDPackage.DTD_ELEMENT__DTD_FILE, msgs);
			if (msgs != null)
				msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_ELEMENT__DTD_FILE, newDTDFile, newDTDFile));
	}

}