/*******************************************************************************
 * 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 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.ecore.EClass;
import org.eclipse.emf.ecore.EStructuralFeature;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.wst.dtd.core.internal.emf.DTDEntity;
import org.eclipse.wst.dtd.core.internal.emf.DTDExternalEntity;
import org.eclipse.wst.dtd.core.internal.emf.DTDFile;
import org.eclipse.wst.dtd.core.internal.emf.DTDNotation;
import org.eclipse.wst.dtd.core.internal.emf.DTDPackage;


/**
 * @generated
 */
public class DTDExternalEntityImpl extends DTDEntityContentImpl implements DTDExternalEntity {
	/**
	 * The default value of the '{@link #getSystemID() <em>System ID</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getSystemID()
	 * @generated
	 * @ordered
	 */
	protected static final String SYSTEM_ID_EDEFAULT = null;

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected String systemID = SYSTEM_ID_EDEFAULT;
	/**
	 * The default value of the '{@link #getPublicID() <em>Public ID</em>}'
	 * attribute. <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @see #getPublicID()
	 * @generated
	 * @ordered
	 */
	protected static final String PUBLIC_ID_EDEFAULT = null;

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected String publicID = PUBLIC_ID_EDEFAULT;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected DTDNotation notation = null;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected DTDFile entityReferencedFromAnotherFile = null;

	public DTDExternalEntityImpl() {
		super();
	}

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

	public String unparse() {
		StringBuffer text = new StringBuffer(100);
		if (getPublicID() == null || getPublicID().equals("")) { //$NON-NLS-1$
			text.append("SYSTEM "); //$NON-NLS-1$
		}
		else {
			text.append("PUBLIC \"").append(getPublicID()).append("\" "); //$NON-NLS-1$ //$NON-NLS-2$
		}
		String systemId = getSystemID();

		text.append("\"").append(systemId).append("\""); //$NON-NLS-1$ //$NON-NLS-2$

		DTDNotation notation = getNotation();
		if (notation != null)
			text.append(" NDATA ").append(notation.getName()); //$NON-NLS-1$

		return text.toString();
	}

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

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setSystemID(String newSystemID) {
		String oldSystemID = systemID;
		systemID = newSystemID;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_EXTERNAL_ENTITY__SYSTEM_ID, oldSystemID, systemID));
	}

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

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setPublicID(String newPublicID) {
		String oldPublicID = publicID;
		publicID = newPublicID;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_EXTERNAL_ENTITY__PUBLIC_ID, oldPublicID, publicID));
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public DTDNotation getNotation() {
		if (notation != null && notation.eIsProxy()) {
			DTDNotation oldNotation = notation;
			notation = (DTDNotation) EcoreUtil.resolve(notation, this);
			if (notation != oldNotation) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION, oldNotation, notation));
			}
		}
		return notation;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public DTDNotation basicGetNotation() {
		return notation;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public NotificationChain basicSetNotation(DTDNotation newNotation, NotificationChain msgs) {
		DTDNotation oldNotation = notation;
		notation = newNotation;
		if (eNotificationRequired()) {
			if (msgs == null)
				msgs = new NotificationChainImpl(4);
			msgs.add(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION, oldNotation, newNotation));
		}
		return msgs;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setNotation(DTDNotation newNotation) {
		if (newNotation != notation) {
			NotificationChain msgs = null;
			if (notation != null)
				msgs = ((InternalEObject) notation).eInverseRemove(this, DTDPackage.DTD_NOTATION__ENTITY, DTDNotation.class, msgs);
			if (newNotation != null)
				msgs = ((InternalEObject) newNotation).eInverseAdd(this, DTDPackage.DTD_NOTATION__ENTITY, DTDNotation.class, msgs);
			msgs = basicSetNotation(newNotation, msgs);
			if (msgs != null)
				msgs.dispatch();
		}
		else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION, newNotation, newNotation));
	}

	/**
	 * @generated This field/method will be replaced during code generation
	 */
	public DTDFile getEntityReferencedFromAnotherFile() {
		if (entityReferencedFromAnotherFile != null && entityReferencedFromAnotherFile.eIsProxy()) {
			DTDFile oldEntityReferencedFromAnotherFile = entityReferencedFromAnotherFile;
			entityReferencedFromAnotherFile = (DTDFile) EcoreUtil.resolve(entityReferencedFromAnotherFile, this);
			if (entityReferencedFromAnotherFile != oldEntityReferencedFromAnotherFile) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE, oldEntityReferencedFromAnotherFile, entityReferencedFromAnotherFile));
			}
		}
		return entityReferencedFromAnotherFile;
	}

	/**
	 * <!-- begin-user-doc --> <!-- end-user-doc -->
	 * 
	 * @generated
	 */
	public DTDFile basicGetEntityReferencedFromAnotherFile() {
		return entityReferencedFromAnotherFile;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setEntityReferencedFromAnotherFile(DTDFile newEntityReferencedFromAnotherFile) {
		DTDFile oldEntityReferencedFromAnotherFile = entityReferencedFromAnotherFile;
		entityReferencedFromAnotherFile = newEntityReferencedFromAnotherFile;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE, oldEntityReferencedFromAnotherFile, entityReferencedFromAnotherFile));
	}

	/**
	 * <!-- 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_EXTERNAL_ENTITY__DTD_ENTITY :
					if (eContainer != null)
						msgs = eBasicRemoveFromContainer(msgs);
					return eBasicSetContainer(otherEnd, DTDPackage.DTD_EXTERNAL_ENTITY__DTD_ENTITY, msgs);
				case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
					if (notation != null)
						msgs = ((InternalEObject) notation).eInverseRemove(this, DTDPackage.DTD_NOTATION__ENTITY, DTDNotation.class, msgs);
					return basicSetNotation((DTDNotation) 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_EXTERNAL_ENTITY__DTD_ENTITY :
					return eBasicSetContainer(null, DTDPackage.DTD_EXTERNAL_ENTITY__DTD_ENTITY, msgs);
				case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
					return basicSetNotation(null, 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_EXTERNAL_ENTITY__DTD_ENTITY :
					return eContainer.eInverseRemove(this, DTDPackage.DTD_ENTITY__CONTENT, DTDEntity.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_EXTERNAL_ENTITY__DTD_ENTITY :
				return getDTDEntity();
			case DTDPackage.DTD_EXTERNAL_ENTITY__SYSTEM_ID :
				return getSystemID();
			case DTDPackage.DTD_EXTERNAL_ENTITY__PUBLIC_ID :
				return getPublicID();
			case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
				if (resolve)
					return getNotation();
				return basicGetNotation();
			case DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE :
				if (resolve)
					return getEntityReferencedFromAnotherFile();
				return basicGetEntityReferencedFromAnotherFile();
		}
		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_EXTERNAL_ENTITY__DTD_ENTITY :
				return getDTDEntity() != null;
			case DTDPackage.DTD_EXTERNAL_ENTITY__SYSTEM_ID :
				return SYSTEM_ID_EDEFAULT == null ? systemID != null : !SYSTEM_ID_EDEFAULT.equals(systemID);
			case DTDPackage.DTD_EXTERNAL_ENTITY__PUBLIC_ID :
				return PUBLIC_ID_EDEFAULT == null ? publicID != null : !PUBLIC_ID_EDEFAULT.equals(publicID);
			case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
				return notation != null;
			case DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE :
				return entityReferencedFromAnotherFile != null;
		}
		return eDynamicIsSet(eFeature);
	}

	/**
	 * @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_EXTERNAL_ENTITY__DTD_ENTITY :
				setDTDEntity((DTDEntity) newValue);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__SYSTEM_ID :
				setSystemID((String) newValue);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__PUBLIC_ID :
				setPublicID((String) newValue);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
				setNotation((DTDNotation) newValue);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE :
				setEntityReferencedFromAnotherFile((DTDFile) 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_EXTERNAL_ENTITY__DTD_ENTITY :
				setDTDEntity((DTDEntity) null);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__SYSTEM_ID :
				setSystemID(SYSTEM_ID_EDEFAULT);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__PUBLIC_ID :
				setPublicID(PUBLIC_ID_EDEFAULT);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__NOTATION :
				setNotation((DTDNotation) null);
				return;
			case DTDPackage.DTD_EXTERNAL_ENTITY__ENTITY_REFERENCED_FROM_ANOTHER_FILE :
				setEntityReferencedFromAnotherFile((DTDFile) null);
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public String toString() {
		if (eIsProxy())
			return super.toString();

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

}