Java tutorial
/* license-start * * Copyright (C) 2008 - 2013 Crispico, <http://www.crispico.com/>. * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation version 3. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details, at <http://www.gnu.org/licenses/>. * * Contributors: * Crispico - Initial API and implementation * * license-end */ /** * <copyright> * </copyright> * * $Id$ */ package com.crispico.flower.mp.model.codesync.impl; import java.io.ByteArrayInputStream; import java.io.ByteArrayOutputStream; import java.io.IOException; import java.io.ObjectInputStream; import java.io.ObjectOutputStream; import org.apache.commons.codec.DecoderException; import org.apache.commons.codec.net.URLCodec; 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.EAttribute; import org.eclipse.emf.ecore.EClass; import org.eclipse.emf.ecore.EObject; import org.eclipse.emf.ecore.InternalEObject; import org.eclipse.emf.ecore.EDataType; import org.eclipse.emf.ecore.EStructuralFeature; 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.emf.ecore.util.EcoreUtil; import com.crispico.flower.mp.model.codesync.CodeSyncPackage; import com.crispico.flower.mp.model.codesync.FeatureChange; import java.util.ArrayList; import java.util.Collection; import java.util.Collections; /** * <!-- begin-user-doc --> * An implementation of the model object '<em><b>Feature Change</b></em>'. * <!-- end-user-doc --> * <p> * The following features are implemented: * <ul> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getOldValue <em>Old Value</em>}</li> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getOldValueAsString <em>Old Value As String</em>}</li> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getOldValueAsContainmentList <em>Old Value As Containment List</em>}</li> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getNewValue <em>New Value</em>}</li> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getNewValueAsString <em>New Value As String</em>}</li> * <li>{@link com.crispico.flower.mp.model.codesync.impl.FeatureChangeImpl#getNewValueAsContainmentList <em>New Value As Containment List</em>}</li> * </ul> * </p> * * @generated */ public class FeatureChangeImpl extends EObjectImpl implements FeatureChange { /** * The default value of the '{@link #getOldValue() <em>Old Value</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getOldValue() * @generated * @ordered */ protected static final Object OLD_VALUE_EDEFAULT = null; /** * The cached value of the '{@link #getOldValue() <em>Old Value</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getOldValue() * @generated * @ordered */ protected Object oldValue = OLD_VALUE_EDEFAULT; /** * The default value of the '{@link #getOldValueAsString() <em>Old Value As String</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getOldValueAsString() * @generated * @ordered */ protected static final String OLD_VALUE_AS_STRING_EDEFAULT = null; /** * The cached value of the '{@link #getOldValueAsString() <em>Old Value As String</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getOldValueAsString() * @generated * @ordered */ protected String oldValueAsString = OLD_VALUE_AS_STRING_EDEFAULT; /** * The cached value of the '{@link #getOldValueAsContainmentList() <em>Old Value As Containment List</em>}' containment reference list. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getOldValueAsContainmentList() * @generated * @ordered */ protected EList<EObject> oldValueAsContainmentList; /** * The default value of the '{@link #getNewValue() <em>New Value</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getNewValue() * @generated * @ordered */ protected static final Object NEW_VALUE_EDEFAULT = null; /** * The cached value of the '{@link #getNewValue() <em>New Value</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getNewValue() * @generated * @ordered */ protected Object newValue = NEW_VALUE_EDEFAULT; /** * The default value of the '{@link #getNewValueAsString() <em>New Value As String</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getNewValueAsString() * @generated * @ordered */ protected static final String NEW_VALUE_AS_STRING_EDEFAULT = null; /** * The cached value of the '{@link #getNewValueAsString() <em>New Value As String</em>}' attribute. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getNewValueAsString() * @generated * @ordered */ protected String newValueAsString = NEW_VALUE_AS_STRING_EDEFAULT; /** * The cached value of the '{@link #getNewValueAsContainmentList() <em>New Value As Containment List</em>}' containment reference list. * <!-- begin-user-doc --> * <!-- end-user-doc --> * @see #getNewValueAsContainmentList() * @generated * @ordered */ protected EList<EObject> newValueAsContainmentList; /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ protected FeatureChangeImpl() { super(); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ @Override protected EClass eStaticClass() { return CodeSyncPackage.Literals.FEATURE_CHANGE; } /** * @author Cristi * @author Mariana */ private EDataType getEDataTypeOfFeature() { if (eContainer instanceof EStructuralFeatureToFeatureChangeEntryImpl) { EStructuralFeature feature = ((EStructuralFeatureToFeatureChangeEntryImpl) eContainer).getKey(); if (feature instanceof EAttribute) { return ((EAttribute) feature).getEAttributeType(); } } return null; } /** * @author Mariana */ private boolean isMany() { if (eContainer instanceof EStructuralFeatureToFeatureChangeEntryImpl) { EStructuralFeature feature = ((EStructuralFeatureToFeatureChangeEntryImpl) eContainer).getKey(); return feature.isMany(); } return false; } /** * @author Mariana */ private String encode(byte[] bytes) { return new String(new URLCodec().encode(bytes)); } private byte[] decode(byte[] bytes) { try { return URLCodec.decodeUrl(bytes); } catch (DecoderException e) { e.printStackTrace(); } return null; } /** * Transient and lazy initialized on first access, by converting <code>*valueAsString</code> * to Object (using the current feature). * * @generated NOT * @author Cristi * @author Mariana */ public Object getOldValue() { if (oldValue == null) { EDataType eDataTypeOfFeature = getEDataTypeOfFeature(); if (eDataTypeOfFeature != null && !isMany()) { oldValue = EcoreUtil.createFromString(eDataTypeOfFeature, getOldValueAsString()); } else { if (getOldValueAsString() == null) { oldValue = getOldValueAsContainmentList(); } else { try { ByteArrayInputStream input = new ByteArrayInputStream( decode(getOldValueAsString().getBytes())); ObjectInputStream ois = new ObjectInputStream(input); oldValue = ois.readObject(); ois.close(); } catch (Exception e) { throw new RuntimeException(e); } } } } return oldValue; } /** * Sets the cached value and sets also <code>*valueAsString</code> by converting the * value to string, using the current feature. * * @generated NOT * @author Cristi * @author Mariana */ public void setOldValue(Object newOldValue) { Object oldOldValue = oldValue; oldValue = newOldValue; EDataType eDataTypeOfFeature = getEDataTypeOfFeature(); if (eDataTypeOfFeature != null && !isMany()) { setOldValueAsString(EcoreUtil.convertToString(eDataTypeOfFeature, oldValue)); } else { if (isMany()) { Collection<EObject> collection = (Collection<EObject>) (newOldValue == null ? Collections.emptyList() : newOldValue); getOldValueAsContainmentList().clear(); for (EObject value : collection) { getOldValueAsContainmentList().add(EcoreUtil.copy(value)); } oldValue = oldValueAsContainmentList; } else { try { ByteArrayOutputStream output = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(output); oos.writeObject(newOldValue); oos.close(); setOldValueAsString(encode(output.toByteArray())); } catch (Exception e) { throw new RuntimeException(e); } } } if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE, oldOldValue, oldValue)); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public String getOldValueAsString() { return oldValueAsString; } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public void setOldValueAsString(String newOldValueAsString) { String oldOldValueAsString = oldValueAsString; oldValueAsString = newOldValueAsString; if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_STRING, oldOldValueAsString, oldValueAsString)); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public EList<EObject> getOldValueAsContainmentList() { if (oldValueAsContainmentList == null) { oldValueAsContainmentList = new EObjectContainmentEList<EObject>(EObject.class, this, CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST); } return oldValueAsContainmentList; } /** * Transient and lazy initialized on first access, by converting <code>*valueAsString</code> * to Object (using the current feature). * * @generated NOT * @author Cristi * @author Mariana */ public Object getNewValue() { if (newValue == null) { EDataType eDataTypeOfFeature = getEDataTypeOfFeature(); if (eDataTypeOfFeature != null && !isMany()) { newValue = EcoreUtil.createFromString(eDataTypeOfFeature, getNewValueAsString()); } else { if (getNewValueAsString() == null) { newValue = getNewValueAsContainmentList(); } else { try { ByteArrayInputStream input = new ByteArrayInputStream( decode(getNewValueAsString().getBytes())); ObjectInputStream ois = new ObjectInputStream(input); newValue = ois.readObject(); ois.close(); } catch (Exception e) { throw new RuntimeException(e); } } } } return newValue; } /** * Sets the cached value and sets also <code>*valueAsString</code> by converting the * value to string, using the current feature. * * @generated NOT * @author Cristi * @author Mariana */ public void setNewValue(Object newNewValue) { Object oldNewValue = newValue; newValue = newNewValue; EDataType eDataTypeOfFeature = getEDataTypeOfFeature(); if (eDataTypeOfFeature != null && !isMany()) { setNewValueAsString(EcoreUtil.convertToString(eDataTypeOfFeature, newValue)); } else { if (isMany()) { Collection<EObject> collection = (Collection<EObject>) (newNewValue == null ? Collections.emptyList() : newNewValue); getNewValueAsContainmentList().clear(); for (EObject value : collection) { getNewValueAsContainmentList().add(EcoreUtil.copy(value)); } newValue = newValueAsContainmentList; } else { try { ByteArrayOutputStream output = new ByteArrayOutputStream(); ObjectOutputStream oos = new ObjectOutputStream(output); oos.writeObject(newNewValue); oos.close(); setNewValueAsString(encode(output.toByteArray())); } catch (Exception e) { throw new RuntimeException(e); } } } if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE, oldNewValue, newValue)); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public String getNewValueAsString() { return newValueAsString; } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public void setNewValueAsString(String newNewValueAsString) { String oldNewValueAsString = newValueAsString; newValueAsString = newNewValueAsString; if (eNotificationRequired()) eNotify(new ENotificationImpl(this, Notification.SET, CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_STRING, oldNewValueAsString, newValueAsString)); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ public EList<EObject> getNewValueAsContainmentList() { if (newValueAsContainmentList == null) { newValueAsContainmentList = new EObjectContainmentEList<EObject>(EObject.class, this, CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST); } return newValueAsContainmentList; } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ @Override public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) { switch (featureID) { case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST: return ((InternalEList<?>) getOldValueAsContainmentList()).basicRemove(otherEnd, msgs); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST: return ((InternalEList<?>) getNewValueAsContainmentList()).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 CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE: return getOldValue(); case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_STRING: return getOldValueAsString(); case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST: return getOldValueAsContainmentList(); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE: return getNewValue(); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_STRING: return getNewValueAsString(); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST: return getNewValueAsContainmentList(); } 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 CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE: setOldValue(newValue); return; case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_STRING: setOldValueAsString((String) newValue); return; case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST: getOldValueAsContainmentList().clear(); getOldValueAsContainmentList().addAll((Collection<? extends EObject>) newValue); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE: setNewValue(newValue); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_STRING: setNewValueAsString((String) newValue); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST: getNewValueAsContainmentList().clear(); getNewValueAsContainmentList().addAll((Collection<? extends EObject>) newValue); return; } super.eSet(featureID, newValue); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ @Override public void eUnset(int featureID) { switch (featureID) { case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE: setOldValue(OLD_VALUE_EDEFAULT); return; case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_STRING: setOldValueAsString(OLD_VALUE_AS_STRING_EDEFAULT); return; case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST: getOldValueAsContainmentList().clear(); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE: setNewValue(NEW_VALUE_EDEFAULT); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_STRING: setNewValueAsString(NEW_VALUE_AS_STRING_EDEFAULT); return; case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST: getNewValueAsContainmentList().clear(); return; } super.eUnset(featureID); } /** * <!-- begin-user-doc --> * <!-- end-user-doc --> * @generated */ @Override public boolean eIsSet(int featureID) { switch (featureID) { case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE: return OLD_VALUE_EDEFAULT == null ? oldValue != null : !OLD_VALUE_EDEFAULT.equals(oldValue); case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_STRING: return OLD_VALUE_AS_STRING_EDEFAULT == null ? oldValueAsString != null : !OLD_VALUE_AS_STRING_EDEFAULT.equals(oldValueAsString); case CodeSyncPackage.FEATURE_CHANGE__OLD_VALUE_AS_CONTAINMENT_LIST: return oldValueAsContainmentList != null && !oldValueAsContainmentList.isEmpty(); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE: return NEW_VALUE_EDEFAULT == null ? newValue != null : !NEW_VALUE_EDEFAULT.equals(newValue); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_STRING: return NEW_VALUE_AS_STRING_EDEFAULT == null ? newValueAsString != null : !NEW_VALUE_AS_STRING_EDEFAULT.equals(newValueAsString); case CodeSyncPackage.FEATURE_CHANGE__NEW_VALUE_AS_CONTAINMENT_LIST: return newValueAsContainmentList != null && !newValueAsContainmentList.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(" (oldValue: "); result.append(oldValue); result.append(", oldValueAsString: "); result.append(oldValueAsString); result.append(", newValue: "); result.append(newValue); result.append(", newValueAsString: "); result.append(newValueAsString); result.append(')'); return result.toString(); } } //FeatureChangeImpl