/*
 * Copyright (c) 2014, 2015 Eike Stepper (Loehne, Germany) 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:
 *    Eike Stepper - initial API and implementation
 */
package org.eclipse.oomph.base.impl;

import org.eclipse.oomph.base.Annotation;
import org.eclipse.oomph.base.BasePackage;
import org.eclipse.oomph.base.ModelElement;
import org.eclipse.oomph.util.ObjectUtil;

import org.eclipse.emf.common.notify.NotificationChain;
import org.eclipse.emf.common.util.EList;
import org.eclipse.emf.common.util.URI;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.MinimalEObjectImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EObjectContainmentWithInverseEList;
import org.eclipse.emf.ecore.util.InternalEList;

import java.lang.reflect.InvocationTargetException;
import java.util.Collection;

/**
 * <!-- begin-user-doc -->
 * An implementation of the model object '<em><b>Element</b></em>'.
 * <!-- end-user-doc -->
 * <p>
 * The following features are implemented:
 * </p>
 * <ul>
 *   <li>{@link org.eclipse.oomph.base.impl.ModelElementImpl#getAnnotations <em>Annotations</em>}</li>
 * </ul>
 *
 * @generated
 */
public abstract class ModelElementImpl extends MinimalEObjectImpl.Container implements ModelElement
{
  /**
   * The cached value of the '{@link #getAnnotations() <em>Annotations</em>}' containment reference list.
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @see #getAnnotations()
   * @generated
   * @ordered
   */
  protected EList<Annotation> annotations;

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

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

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  public EList<Annotation> getAnnotations()
  {
    if (annotations == null)
    {
      annotations = new EObjectContainmentWithInverseEList<Annotation>(Annotation.class, this, BasePackage.MODEL_ELEMENT__ANNOTATIONS,
          BasePackage.ANNOTATION__MODEL_ELEMENT);
    }
    return annotations;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated NOT
   */
  public Annotation getAnnotation(String source)
  {
    for (Annotation annotation : getAnnotations())
    {
      if (ObjectUtil.equals(source, annotation.getSource()))
      {
        return annotation;
      }
    }

    return null;
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @SuppressWarnings("unchecked")
  @Override
  public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        return ((InternalEList<InternalEObject>)(InternalEList<?>)getAnnotations()).basicAdd(otherEnd, msgs);
    }
    return super.eInverseAdd(otherEnd, featureID, msgs);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
  {
    switch (featureID)
    {
      case BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        return ((InternalEList<?>)getAnnotations()).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 BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        return getAnnotations();
    }
    return super.eGet(featureID, resolve, coreType);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @SuppressWarnings("unchecked")
  @Override
  public void eSet(int featureID, Object newValue)
  {
    switch (featureID)
    {
      case BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        getAnnotations().clear();
        getAnnotations().addAll((Collection<? extends Annotation>)newValue);
        return;
    }
    super.eSet(featureID, newValue);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public void eUnset(int featureID)
  {
    switch (featureID)
    {
      case BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        getAnnotations().clear();
        return;
    }
    super.eUnset(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public boolean eIsSet(int featureID)
  {
    switch (featureID)
    {
      case BasePackage.MODEL_ELEMENT__ANNOTATIONS:
        return annotations != null && !annotations.isEmpty();
    }
    return super.eIsSet(featureID);
  }

  /**
   * <!-- begin-user-doc -->
   * <!-- end-user-doc -->
   * @generated
   */
  @Override
  public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException
  {
    switch (operationID)
    {
      case BasePackage.MODEL_ELEMENT___GET_ANNOTATION__STRING:
        return getAnnotation((String)arguments.get(0));
    }
    return super.eInvoke(operationID, arguments);
  }

  @Override
  public EObject eObjectForURIFragmentSegment(String uriFragmentSegment)
  {
    char firstChar = uriFragmentSegment.charAt(0);
    if (firstChar == '\'')
    {
      int lastIndex = uriFragmentSegment.length() - 1;
      char lastChar = uriFragmentSegment.charAt(lastIndex);
      if (lastChar == '\'')
      {
        Resource eDirectResource = eDirectResource();
        if (eDirectResource != null)
        {
          return eDirectResource.getEObject(URI.decode(uriFragmentSegment.substring(1, lastIndex)));
        }
      }
    }

    return super.eObjectForURIFragmentSegment(uriFragmentSegment);
  }

} // ModelElementImpl