/*******************************************************************************
 * 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.jst.j2ee.taglib.internal.impl;

import java.util.Collection;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
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.impl.EObjectImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jst.j2ee.taglib.internal.ExtensibleType;
import org.eclipse.jst.j2ee.taglib.internal.TaglibPackage;
import org.eclipse.jst.j2ee.taglib.internal.TldExtension;


/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Tld Extension</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.TldExtensionImpl#getNamespace <em>Namespace</em>}</li>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.TldExtensionImpl#getExtensionElements <em>Extension Elements</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class TldExtensionImpl extends EObjectImpl implements TldExtension {
	/**
	 * The default value of the '{@link #getNamespace() <em>Namespace</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getNamespace()
	 * @generated
	 * @ordered
	 */
	protected static final String NAMESPACE_EDEFAULT = null;

	/**
	 * The cached value of the '{@link #getNamespace() <em>Namespace</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getNamespace()
	 * @generated
	 * @ordered
	 */
	protected String namespace = NAMESPACE_EDEFAULT;

	/**
	 * The cached value of the '{@link #getExtensionElements() <em>Extension Elements</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExtensionElements()
	 * @generated
	 * @ordered
	 */
	protected EList extensionElements = null;

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	protected TldExtensionImpl() {
		super();
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public String getNamespace() {
		return namespace;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setNamespace(String newNamespace) {
		String oldNamespace = namespace;
		namespace = newNamespace;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, TaglibPackage.TLD_EXTENSION__NAMESPACE, oldNamespace, namespace));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getExtensionElements() {
		if (extensionElements == null) {
			extensionElements = new EObjectContainmentEList(ExtensibleType.class, this, TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS);
		}
		return extensionElements;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, Class baseClass, NotificationChain msgs) {
		if (featureID >= 0) {
			switch (eDerivedStructuralFeatureID(featureID, baseClass)) {
				case TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS:
					return ((InternalEList)getExtensionElements()).basicRemove(otherEnd, msgs);
				default:
					return eDynamicInverseRemove(otherEnd, featureID, baseClass, msgs);
			}
		}
		return eBasicSetContainer(null, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(EStructuralFeature eFeature, boolean resolve) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case TaglibPackage.TLD_EXTENSION__NAMESPACE:
				return getNamespace();
			case TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS:
				return getExtensionElements();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case TaglibPackage.TLD_EXTENSION__NAMESPACE:
				setNamespace((String)newValue);
				return;
			case TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS:
				getExtensionElements().clear();
				getExtensionElements().addAll((Collection)newValue);
				return;
		}
		eDynamicSet(eFeature, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case TaglibPackage.TLD_EXTENSION__NAMESPACE:
				setNamespace(NAMESPACE_EDEFAULT);
				return;
			case TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS:
				getExtensionElements().clear();
				return;
		}
		eDynamicUnset(eFeature);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case TaglibPackage.TLD_EXTENSION__NAMESPACE:
				return NAMESPACE_EDEFAULT == null ? namespace != null : !NAMESPACE_EDEFAULT.equals(namespace);
			case TaglibPackage.TLD_EXTENSION__EXTENSION_ELEMENTS:
				return extensionElements != null && !extensionElements.isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

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

		StringBuffer result = new StringBuffer(super.toString());
		result.append(" (namespace: ");
		result.append(namespace);
		result.append(')');
		return result.toString();
	}

} //TldExtensionImpl