/*******************************************************************************
 * 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.webapplication.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.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jem.java.JavaRefFactory;
import org.eclipse.jst.j2ee.common.ParamValue;
import org.eclipse.jst.j2ee.common.internal.impl.CompatibilityDescriptionGroupImpl;
import org.eclipse.jst.j2ee.webapplication.Filter;
import org.eclipse.jst.j2ee.webapplication.InitParam;
import org.eclipse.jst.j2ee.webapplication.WebapplicationPackage;

/**
 * Declares a filter in the web application application. The filter is mapped to either a servlet or a URL pattern in the filter-mapping element, using the filter-name value to reference. Filters can access the initialization parameters declared in the deployment descriptor at runtime via the FilterConfig interface.

 */
public class FilterImpl extends CompatibilityDescriptionGroupImpl implements Filter {
	/**
	 * 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;

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected String name = NAME_EDEFAULT;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected EList initParams = null;
	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	protected JavaClass filterClass = null;
	/**
	 * The cached value of the '{@link #getInitParamValues() <em>Init Param Values</em>}' containment reference list.
	 * <!-- begin-user-doc -->
	 * <!-- end-user-doc -->
	 * @see #getInitParamValues()
	 * @generated
	 * @ordered
	 */
	protected EList initParamValues = null;

		/**
		 * @generated This field/method will be replaced during code generation.
		 */
	protected FilterImpl() {
		super();
	}

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

	/**
	 * @generated This field/method will be replaced during code generation 
	 * The logical name of the filter. This name is used to map the filter.
	 */
	public String getName() {
		return name;
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setName(String newName) {
		String oldName = name;
		name = newName;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, WebapplicationPackage.FILTER__NAME, oldName, name));
	}

	/**
	 * <!-- begin-user-doc -->
	 * getInitParams() is used for J2EE1.3
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getInitParams() {
		if (initParams == null) {
			initParams = new EObjectContainmentEList(InitParam.class, this, WebapplicationPackage.FILTER__INIT_PARAMS);
		}
		return initParams;
	}

	/**
	 * @generated This field/method will be replaced during code generation 
	 * The fully qualified classname of the filter.
	 */
	public JavaClass getFilterClass() {
		if (filterClass != null && filterClass.eIsProxy()) {
			JavaClass oldFilterClass = filterClass;
			filterClass = (JavaClass)eResolveProxy((InternalEObject)filterClass);
			if (filterClass != oldFilterClass) {
				if (eNotificationRequired())
					eNotify(new ENotificationImpl(this, Notification.RESOLVE, WebapplicationPackage.FILTER__FILTER_CLASS, oldFilterClass, filterClass));
			}
		}
		return filterClass;
	}

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

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void setFilterClass(JavaClass newFilterClass) {
		JavaClass oldFilterClass = filterClass;
		filterClass = newFilterClass;
		if (eNotificationRequired())
			eNotify(new ENotificationImpl(this, Notification.SET, WebapplicationPackage.FILTER__FILTER_CLASS, oldFilterClass, filterClass));
	}

	/**
	 * <!-- begin-user-doc -->
	 * getInitParamValues() is used for J2EE1.4
	 * <!-- end-user-doc -->
	 * @generated
	 */
	public EList getInitParamValues() {
		if (initParamValues == null) {
			initParamValues = new EObjectContainmentEList(ParamValue.class, this, WebapplicationPackage.FILTER__INIT_PARAM_VALUES);
		}
		return initParamValues;
	}

	/**
	 * <!-- 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 WebapplicationPackage.FILTER__ICONS:
					return ((InternalEList)getIcons()).basicRemove(otherEnd, msgs);
				case WebapplicationPackage.FILTER__DISPLAY_NAMES:
					return ((InternalEList)getDisplayNames()).basicRemove(otherEnd, msgs);
				case WebapplicationPackage.FILTER__DESCRIPTIONS:
					return ((InternalEList)getDescriptions()).basicRemove(otherEnd, msgs);
				case WebapplicationPackage.FILTER__INIT_PARAMS:
					return ((InternalEList)getInitParams()).basicRemove(otherEnd, msgs);
				case WebapplicationPackage.FILTER__INIT_PARAM_VALUES:
					return ((InternalEList)getInitParamValues()).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 WebapplicationPackage.FILTER__ICONS:
				return getIcons();
			case WebapplicationPackage.FILTER__DISPLAY_NAMES:
				return getDisplayNames();
			case WebapplicationPackage.FILTER__DESCRIPTIONS:
				return getDescriptions();
			case WebapplicationPackage.FILTER__SMALL_ICON:
				return getSmallIcon();
			case WebapplicationPackage.FILTER__LARGE_ICON:
				return getLargeIcon();
			case WebapplicationPackage.FILTER__DESCRIPTION:
				return getDescription();
			case WebapplicationPackage.FILTER__DISPLAY_NAME:
				return getDisplayName();
			case WebapplicationPackage.FILTER__NAME:
				return getName();
			case WebapplicationPackage.FILTER__INIT_PARAMS:
				return getInitParams();
			case WebapplicationPackage.FILTER__FILTER_CLASS:
				if (resolve) return getFilterClass();
				return basicGetFilterClass();
			case WebapplicationPackage.FILTER__INIT_PARAM_VALUES:
				return getInitParamValues();
		}
		return eDynamicGet(eFeature, resolve);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public boolean eIsSet(EStructuralFeature eFeature) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case WebapplicationPackage.FILTER__ICONS:
				return icons != null && !icons.isEmpty();
			case WebapplicationPackage.FILTER__DISPLAY_NAMES:
				return displayNames != null && !displayNames.isEmpty();
			case WebapplicationPackage.FILTER__DESCRIPTIONS:
				return descriptions != null && !descriptions.isEmpty();
			case WebapplicationPackage.FILTER__SMALL_ICON:
				return SMALL_ICON_EDEFAULT == null ? smallIcon != null : !SMALL_ICON_EDEFAULT.equals(smallIcon);
			case WebapplicationPackage.FILTER__LARGE_ICON:
				return LARGE_ICON_EDEFAULT == null ? largeIcon != null : !LARGE_ICON_EDEFAULT.equals(largeIcon);
			case WebapplicationPackage.FILTER__DESCRIPTION:
				return DESCRIPTION_EDEFAULT == null ? description != null : !DESCRIPTION_EDEFAULT.equals(description);
			case WebapplicationPackage.FILTER__DISPLAY_NAME:
				return DISPLAY_NAME_EDEFAULT == null ? displayName != null : !DISPLAY_NAME_EDEFAULT.equals(displayName);
			case WebapplicationPackage.FILTER__NAME:
				return NAME_EDEFAULT == null ? name != null : !NAME_EDEFAULT.equals(name);
			case WebapplicationPackage.FILTER__INIT_PARAMS:
				return initParams != null && !initParams.isEmpty();
			case WebapplicationPackage.FILTER__FILTER_CLASS:
				return filterClass != null;
			case WebapplicationPackage.FILTER__INIT_PARAM_VALUES:
				return initParamValues != null && !initParamValues.isEmpty();
		}
		return eDynamicIsSet(eFeature);
	}

	/**
	 * @generated This field/method will be replaced during code generation.
	 */
	public void eSet(EStructuralFeature eFeature, Object newValue) {
		switch (eDerivedStructuralFeatureID(eFeature)) {
			case WebapplicationPackage.FILTER__ICONS:
				getIcons().clear();
				getIcons().addAll((Collection)newValue);
				return;
			case WebapplicationPackage.FILTER__DISPLAY_NAMES:
				getDisplayNames().clear();
				getDisplayNames().addAll((Collection)newValue);
				return;
			case WebapplicationPackage.FILTER__DESCRIPTIONS:
				getDescriptions().clear();
				getDescriptions().addAll((Collection)newValue);
				return;
			case WebapplicationPackage.FILTER__SMALL_ICON:
				setSmallIcon((String)newValue);
				return;
			case WebapplicationPackage.FILTER__LARGE_ICON:
				setLargeIcon((String)newValue);
				return;
			case WebapplicationPackage.FILTER__DESCRIPTION:
				setDescription((String)newValue);
				return;
			case WebapplicationPackage.FILTER__DISPLAY_NAME:
				setDisplayName((String)newValue);
				return;
			case WebapplicationPackage.FILTER__NAME:
				setName((String)newValue);
				return;
			case WebapplicationPackage.FILTER__INIT_PARAMS:
				getInitParams().clear();
				getInitParams().addAll((Collection)newValue);
				return;
			case WebapplicationPackage.FILTER__FILTER_CLASS:
				setFilterClass((JavaClass)newValue);
				return;
			case WebapplicationPackage.FILTER__INIT_PARAM_VALUES:
				getInitParamValues().clear();
				getInitParamValues().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)) {
			case WebapplicationPackage.FILTER__ICONS:
				getIcons().clear();
				return;
			case WebapplicationPackage.FILTER__DISPLAY_NAMES:
				getDisplayNames().clear();
				return;
			case WebapplicationPackage.FILTER__DESCRIPTIONS:
				getDescriptions().clear();
				return;
			case WebapplicationPackage.FILTER__SMALL_ICON:
				setSmallIcon(SMALL_ICON_EDEFAULT);
				return;
			case WebapplicationPackage.FILTER__LARGE_ICON:
				setLargeIcon(LARGE_ICON_EDEFAULT);
				return;
			case WebapplicationPackage.FILTER__DESCRIPTION:
				setDescription(DESCRIPTION_EDEFAULT);
				return;
			case WebapplicationPackage.FILTER__DISPLAY_NAME:
				setDisplayName(DISPLAY_NAME_EDEFAULT);
				return;
			case WebapplicationPackage.FILTER__NAME:
				setName(NAME_EDEFAULT);
				return;
			case WebapplicationPackage.FILTER__INIT_PARAMS:
				getInitParams().clear();
				return;
			case WebapplicationPackage.FILTER__FILTER_CLASS:
				setFilterClass((JavaClass)null);
				return;
			case WebapplicationPackage.FILTER__INIT_PARAM_VALUES:
				getInitParamValues().clear();
				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(" (name: ");
		result.append(name);
		result.append(')');
		return result.toString();
	}

public JavaClass createClassRef(String targetName) {
	return JavaRefFactory.eINSTANCE.createClassRef(targetName);
}


public String getFilterClassName() {
	getFilterClass();
	return (filterClass == null) ? null : filterClass.getQualifiedName();
}
public void setFilterClassName(String filterClassName) {
	eSet(WebapplicationPackage.eINSTANCE.getFilter_FilterClass(), createClassRef(filterClassName));
}
} //FilterImpl