/*
 * Copyright (c) 2005, 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 - initial API and implementation
 *
 * $Id: ExceptionHandlerImpl.java,v 1.10 2006/03/01 17:56:37 khussey Exp $
 */
package org.eclipse.uml2.uml.internal.impl;

import java.util.Collection;
import java.util.Iterator;
import java.util.Map;

import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.common.notify.NotificationChain;

import org.eclipse.emf.common.util.DiagnosticChain;

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.EObjectResolvingEList;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.InternalEList;

import org.eclipse.uml2.uml.Classifier;
import org.eclipse.uml2.uml.Element;
import org.eclipse.uml2.uml.ExceptionHandler;
import org.eclipse.uml2.uml.ExecutableNode;
import org.eclipse.uml2.uml.ObjectNode;
import org.eclipse.uml2.uml.UMLPackage;

import org.eclipse.uml2.uml.internal.operations.ExceptionHandlerOperations;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Exception Handler</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * <ul>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExceptionHandlerImpl#getHandlerBody <em>Handler Body</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExceptionHandlerImpl#getExceptionInput <em>Exception Input</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExceptionHandlerImpl#getExceptionTypes <em>Exception Type</em>}</li>
 *   <li>{@link org.eclipse.uml2.uml.internal.impl.ExceptionHandlerImpl#getProtectedNode <em>Protected Node</em>}</li>
 * </ul>
 * </p>
 *
 * @generated
 */
public class ExceptionHandlerImpl
		extends ElementImpl
		implements ExceptionHandler {

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

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

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExecutableNode getHandlerBody() {
		ExecutableNode handlerBody = (ExecutableNode) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY);
		if (handlerBody != null && handlerBody.eIsProxy()) {
			InternalEObject oldHandlerBody = (InternalEObject) handlerBody;
			handlerBody = (ExecutableNode) eResolveProxy(oldHandlerBody);
			if (handlerBody != oldHandlerBody) {
				eVirtualSet(UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY,
					handlerBody);
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY,
						oldHandlerBody, handlerBody));
			}
		}
		return handlerBody;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExecutableNode basicGetHandlerBody() {
		return (ExecutableNode) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setHandlerBody(ExecutableNode newHandlerBody) {
		ExecutableNode handlerBody = newHandlerBody;
		Object oldHandlerBody = eVirtualSet(
			UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY, handlerBody);
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY,
				oldHandlerBody == EVIRTUAL_NO_VALUE
					? null
					: oldHandlerBody, handlerBody));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ObjectNode getExceptionInput() {
		ObjectNode exceptionInput = (ObjectNode) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT);
		if (exceptionInput != null && exceptionInput.eIsProxy()) {
			InternalEObject oldExceptionInput = (InternalEObject) exceptionInput;
			exceptionInput = (ObjectNode) eResolveProxy(oldExceptionInput);
			if (exceptionInput != oldExceptionInput) {
				eVirtualSet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT,
					exceptionInput);
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE,
						UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT,
						oldExceptionInput, exceptionInput));
			}
		}
		return exceptionInput;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ObjectNode basicGetExceptionInput() {
		return (ObjectNode) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setExceptionInput(ObjectNode newExceptionInput) {
		ObjectNode exceptionInput = newExceptionInput;
		Object oldExceptionInput = eVirtualSet(
			UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT, exceptionInput);
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT,
				oldExceptionInput == EVIRTUAL_NO_VALUE
					? null
					: oldExceptionInput, exceptionInput));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getExceptionTypes() {
		EList exceptionType = (EList) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE);
		if (exceptionType == null) {
			eVirtualSet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE,
				exceptionType = new EObjectResolvingEList(Classifier.class,
					this, UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE));
		}
		return exceptionType;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Classifier getExceptionType(String name) {
		return getExceptionType(name, false, null);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Classifier getExceptionType(String name, boolean ignoreCase,
			EClass eClass) {
		exceptionTypeLoop : for (Iterator i = getExceptionTypes().iterator(); i
			.hasNext();) {
			Classifier exceptionType = (Classifier) i.next();
			if (eClass != null && !eClass.isInstance(exceptionType))
				continue exceptionTypeLoop;
			if (name != null && !(ignoreCase
				? name.equalsIgnoreCase(exceptionType.getName())
				: name.equals(exceptionType.getName())))
				continue exceptionTypeLoop;
			return exceptionType;
		}
		return null;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public ExecutableNode getProtectedNode() {
		if (eContainerFeatureID != UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE)
			return null;
		return (ExecutableNode) eContainer();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain basicSetProtectedNode(
			ExecutableNode newProtectedNode, NotificationChain msgs) {
		msgs = eBasicSetContainer((InternalEObject) newProtectedNode,
			UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE, msgs);

		return msgs;
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void setProtectedNode(ExecutableNode newProtectedNode) {
		if (newProtectedNode != eInternalContainer()
			|| (eContainerFeatureID != UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE && newProtectedNode != null)) {
			if (EcoreUtil.isAncestor(this, newProtectedNode))
				throw new IllegalArgumentException(
					"Recursive containment not allowed for " + toString()); //$NON-NLS-1$
			NotificationChain msgs = null;
			if (eInternalContainer() != null)
				msgs = eBasicRemoveFromContainer(msgs);
			if (newProtectedNode != null)
				msgs = ((InternalEObject) newProtectedNode).eInverseAdd(this,
					UMLPackage.EXECUTABLE_NODE__HANDLER, ExecutableNode.class,
					msgs);
			msgs = basicSetProtectedNode(newProtectedNode, msgs);
			if (msgs != null)
				msgs.dispatch();
		} else if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET,
				UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE, newProtectedNode,
				newProtectedNode));

	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateExceptionBody(DiagnosticChain diagnostics,
			Map context) {
		return ExceptionHandlerOperations.validateExceptionBody(this,
			diagnostics, context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateResultPins(DiagnosticChain diagnostics, Map context) {
		return ExceptionHandlerOperations.validateResultPins(this, diagnostics,
			context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateOneInput(DiagnosticChain diagnostics, Map context) {
		return ExceptionHandlerOperations.validateOneInput(this, diagnostics,
			context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean validateEdgeSourceTarget(DiagnosticChain diagnostics,
			Map context) {
		return ExceptionHandlerOperations.validateEdgeSourceTarget(this,
			diagnostics, context);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseAdd(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicAdd(otherEnd,
					msgs);
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				if (eInternalContainer() != null)
					msgs = eBasicRemoveFromContainer(msgs);
				return basicSetProtectedNode((ExecutableNode) otherEnd, msgs);
		}
		return eDynamicInverseAdd(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eInverseRemove(InternalEObject otherEnd,
			int featureID, NotificationChain msgs) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				return ((InternalEList) getEAnnotations()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT :
				return ((InternalEList) getOwnedComments()).basicRemove(
					otherEnd, msgs);
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				return basicSetProtectedNode(null, msgs);
		}
		return eDynamicInverseRemove(otherEnd, featureID, msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public NotificationChain eBasicRemoveFromContainerFeature(
			NotificationChain msgs) {
		switch (eContainerFeatureID) {
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				return eInternalContainer().eInverseRemove(this,
					UMLPackage.EXECUTABLE_NODE__HANDLER, ExecutableNode.class,
					msgs);
		}
		return eDynamicBasicRemoveFromContainer(msgs);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Object eGet(int featureID, boolean resolve, boolean coreType) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				return getEAnnotations();
			case UMLPackage.EXCEPTION_HANDLER__OWNED_ELEMENT :
				return getOwnedElements();
			case UMLPackage.EXCEPTION_HANDLER__OWNER :
				if (resolve)
					return getOwner();
				return basicGetOwner();
			case UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT :
				return getOwnedComments();
			case UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY :
				if (resolve)
					return getHandlerBody();
				return basicGetHandlerBody();
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT :
				if (resolve)
					return getExceptionInput();
				return basicGetExceptionInput();
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE :
				return getExceptionTypes();
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				return getProtectedNode();
		}
		return eDynamicGet(featureID, resolve, coreType);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eSet(int featureID, Object newValue) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				getEAnnotations().clear();
				getEAnnotations().addAll((Collection) newValue);
				return;
			case UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT :
				getOwnedComments().clear();
				getOwnedComments().addAll((Collection) newValue);
				return;
			case UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY :
				setHandlerBody((ExecutableNode) newValue);
				return;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT :
				setExceptionInput((ObjectNode) newValue);
				return;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE :
				getExceptionTypes().clear();
				getExceptionTypes().addAll((Collection) newValue);
				return;
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				setProtectedNode((ExecutableNode) newValue);
				return;
		}
		eDynamicSet(featureID, newValue);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public void eUnset(int featureID) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				getEAnnotations().clear();
				return;
			case UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT :
				getOwnedComments().clear();
				return;
			case UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY :
				setHandlerBody((ExecutableNode) null);
				return;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT :
				setExceptionInput((ObjectNode) null);
				return;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE :
				getExceptionTypes().clear();
				return;
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				setProtectedNode((ExecutableNode) null);
				return;
		}
		eDynamicUnset(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean eIsSet(int featureID) {
		switch (featureID) {
			case UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS :
				EList eAnnotations = (EList) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EANNOTATIONS);
				return eAnnotations != null && !eAnnotations.isEmpty();
			case UMLPackage.EXCEPTION_HANDLER__OWNED_ELEMENT :
				return isSetOwnedElements();
			case UMLPackage.EXCEPTION_HANDLER__OWNER :
				return isSetOwner();
			case UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT :
				EList ownedComment = (EList) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__OWNED_COMMENT);
				return ownedComment != null && !ownedComment.isEmpty();
			case UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY :
				return eVirtualGet(UMLPackage.EXCEPTION_HANDLER__HANDLER_BODY) != null;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT :
				return eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_INPUT) != null;
			case UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE :
				EList exceptionType = (EList) eVirtualGet(UMLPackage.EXCEPTION_HANDLER__EXCEPTION_TYPE);
				return exceptionType != null && !exceptionType.isEmpty();
			case UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE :
				return getProtectedNode() != null;
		}
		return eDynamicIsSet(featureID);
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public Element basicGetOwner() {
		ExecutableNode protectedNode = getProtectedNode();
		if (protectedNode != null) {
			return protectedNode;
		}
		return super.basicGetOwner();
	}

	/**
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public boolean isSetOwner() {
		return super.isSetOwner()
			|| eIsSet(UMLPackage.EXCEPTION_HANDLER__PROTECTED_NODE);
	}

} //ExceptionHandlerImpl