/*******************************************************************************
 * Copyright (c) 2001, 2006 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.InternalEObject;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jst.j2ee.common.internal.impl.DescriptionGroupImpl;
import org.eclipse.jst.j2ee.taglib.internal.Function;
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>Function</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.FunctionImpl#getName <em>Name</em>}</li>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.FunctionImpl#getSignature <em>Signature</em>}</li>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.FunctionImpl#getExample <em>Example</em>}</li>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.FunctionImpl#getFunctionClass <em>Function Class</em>}</li>
 *   <li>{@link org.eclipse.jst.j2ee.taglib.internal.impl.FunctionImpl#getFunctionExtensions <em>Function Extensions</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class FunctionImpl extends DescriptionGroupImpl implements Function {
	/**
	 * The default value of the '{@link #getName() <em>Name</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getName()
	 * @generated
	 * @ordered
	 */
	protected static final String NAME_EDEFAULT = null;

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

	/**
	 * The default value of the '{@link #getSignature() <em>Signature</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getSignature()
	 * @generated
	 * @ordered
	 */
	protected static final String SIGNATURE_EDEFAULT = null;

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

	/**
	 * The default value of the '{@link #getExample() <em>Example</em>}' attribute.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getExample()
	 * @generated
	 * @ordered
	 */
	protected static final String EXAMPLE_EDEFAULT = null;

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

	/**
	 * The cached value of the '{@link #getFunctionClass() <em>Function Class</em>}' reference.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getFunctionClass()
	 * @generated
	 * @ordered
	 */
	protected JavaClass functionClass = null;

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

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

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setName(String newName) {
		String oldName = name;
		name = newName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, TaglibPackage.FUNCTION__NAME, oldName, name));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setSignature(String newSignature) {
		String oldSignature = signature;
		signature = newSignature;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, TaglibPackage.FUNCTION__SIGNATURE, oldSignature, signature));
	}

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExample(String newExample) {
		String oldExample = example;
		example = newExample;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, TaglibPackage.FUNCTION__EXAMPLE, oldExample, example));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public JavaClass getFunctionClass() {
		if (functionClass != null && functionClass.eIsProxy()) {
			InternalEObject oldFunctionClass = (InternalEObject)functionClass;
			functionClass = (JavaClass)eResolveProxy(oldFunctionClass);
			if (functionClass != oldFunctionClass) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, TaglibPackage.FUNCTION__FUNCTION_CLASS, oldFunctionClass, functionClass));
			}
		}
		return functionClass;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public JavaClass basicGetFunctionClass() {
		return functionClass;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setFunctionClass(JavaClass newFunctionClass) {
		JavaClass oldFunctionClass = functionClass;
		functionClass = newFunctionClass;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, TaglibPackage.FUNCTION__FUNCTION_CLASS, oldFunctionClass, functionClass));
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getFunctionExtensions() {
		if (functionExtensions == null) {
			functionExtensions = new EObjectContainmentEList(TldExtension.class, this, TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS);
		}
		return functionExtensions;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
		switch (featureID) {
			case TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS:
				return ((InternalEList)getFunctionExtensions()).basicRemove(otherEnd, msgs);
		}
		return super.eInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case TaglibPackage.FUNCTION__NAME:
				return getName();
			case TaglibPackage.FUNCTION__SIGNATURE:
				return getSignature();
			case TaglibPackage.FUNCTION__EXAMPLE:
				return getExample();
			case TaglibPackage.FUNCTION__FUNCTION_CLASS:
				if (resolve) return getFunctionClass();
				return basicGetFunctionClass();
			case TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS:
				return getFunctionExtensions();
		}
		return super.eGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case TaglibPackage.FUNCTION__NAME:
				setName((String)newValue);
				return;
			case TaglibPackage.FUNCTION__SIGNATURE:
				setSignature((String)newValue);
				return;
			case TaglibPackage.FUNCTION__EXAMPLE:
				setExample((String)newValue);
				return;
			case TaglibPackage.FUNCTION__FUNCTION_CLASS:
				setFunctionClass((JavaClass)newValue);
				return;
			case TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS:
				getFunctionExtensions().clear();
				getFunctionExtensions().addAll((Collection)newValue);
				return;
		}
		super.eSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public void eUnset(int featureID) {
		switch (featureID) {
			case TaglibPackage.FUNCTION__NAME:
				setName(NAME_EDEFAULT);
				return;
			case TaglibPackage.FUNCTION__SIGNATURE:
				setSignature(SIGNATURE_EDEFAULT);
				return;
			case TaglibPackage.FUNCTION__EXAMPLE:
				setExample(EXAMPLE_EDEFAULT);
				return;
			case TaglibPackage.FUNCTION__FUNCTION_CLASS:
				setFunctionClass((JavaClass)null);
				return;
			case TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS:
				getFunctionExtensions().clear();
				return;
		}
		super.eUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	@Override
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case TaglibPackage.FUNCTION__NAME:
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case TaglibPackage.FUNCTION__SIGNATURE:
				return SIGNATURE_EDEFAULT == null ? signature != null : !SIGNATURE_EDEFAULT.equals(signature);
			case TaglibPackage.FUNCTION__EXAMPLE:
				return EXAMPLE_EDEFAULT == null ? example != null : !EXAMPLE_EDEFAULT.equals(example);
			case TaglibPackage.FUNCTION__FUNCTION_CLASS:
				return functionClass != null;
			case TaglibPackage.FUNCTION__FUNCTION_EXTENSIONS:
				return functionExtensions != null && !functionExtensions.isEmpty();
		}
		return super.eIsSet(featureID);
	}

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

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

} //FunctionImpl