/**
* <copyright>
*
* Copyright (c) 2002-2009 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
*
* </copyright>
*
* $Id: EFactoryImpl.java,v 1.30 2010/07/20 22:12:48 emerks Exp $
*/
package org.eclipse.emf.ecore.impl;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.IOException;
import java.io.ObjectInputStream;
import java.io.ObjectOutputStream;
import java.lang.reflect.Constructor;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.text.DateFormat;
import java.text.FieldPosition;
import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Date;
import java.util.List;
import java.util.Locale;
import java.util.StringTokenizer;
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.EAnnotation;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.EDataType;
import org.eclipse.emf.ecore.EEnum;
import org.eclipse.emf.ecore.EFactory;
import org.eclipse.emf.ecore.EObject;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.EcorePackage;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.util.EcoreUtil;
import org.eclipse.emf.ecore.util.ExtendedMetaData;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.emf.ecore.xml.type.util.XMLTypeUtil;
/**
* <!-- begin-user-doc -->
* An implementation of the model object '<em><b>EFactory</b></em>'.
* <!-- end-user-doc -->
* <p>
* The following features are implemented:
* <ul>
* <li>{@link org.eclipse.emf.ecore.impl.EFactoryImpl#getEPackage <em>EPackage</em>}</li>
* </ul>
* </p>
*
* @generated
*/
public class EFactoryImpl extends EModelElementImpl implements EFactory
{
/**
* The cached value of the '{@link #getEPackage() <em>EPackage</em>}' reference.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getEPackage()
* @generated
* @ordered
*/
protected EPackage ePackage;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected EFactoryImpl()
{
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass()
{
return EcorePackage.Literals.EFACTORY;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EPackage getEPackage()
{
return ePackage;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public void setEPackage(EPackage newEPackage)
{
if (newEPackage != ePackage)
{
NotificationChain msgs = null;
if (ePackage != null)
msgs = ((InternalEObject)ePackage).eInverseRemove(this, EcorePackage.EPACKAGE__EFACTORY_INSTANCE, EPackage.class, msgs);
if (newEPackage != null)
msgs = ((InternalEObject)newEPackage).eInverseAdd(this, EcorePackage.EPACKAGE__EFACTORY_INSTANCE, EPackage.class, msgs);
msgs = basicSetEPackage(newEPackage, msgs);
if (msgs != null) msgs.dispatch();
}
else if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, EcorePackage.EFACTORY__EPACKAGE, newEPackage, newEPackage));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public NotificationChain basicSetEPackage(EPackage newEPackage, NotificationChain msgs)
{
EPackage oldEPackage = ePackage;
ePackage = newEPackage;
if (eNotificationRequired())
{
ENotificationImpl notification = new ENotificationImpl(this, Notification.SET, EcorePackage.EFACTORY__EPACKAGE, oldEPackage, newEPackage);
if (msgs == null) msgs = notification; else msgs.add(notification);
}
return msgs;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
return getEAnnotations();
case EcorePackage.EFACTORY__EPACKAGE:
return getEPackage();
}
return eDynamicGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public void eSet(int featureID, Object newValue)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
getEAnnotations().clear();
getEAnnotations().addAll((Collection<? extends EAnnotation>)newValue);
return;
case EcorePackage.EFACTORY__EPACKAGE:
setEPackage((EPackage)newValue);
return;
}
eDynamicSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
getEAnnotations().clear();
return;
case EcorePackage.EFACTORY__EPACKAGE:
setEPackage((EPackage)null);
return;
}
eDynamicUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
return eAnnotations != null && !eAnnotations.isEmpty();
case EcorePackage.EFACTORY__EPACKAGE:
return ePackage != null;
}
return eDynamicIsSet(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eInvoke(int operationID, EList<?> arguments) throws InvocationTargetException
{
switch (operationID)
{
case EcorePackage.EFACTORY___GET_EANNOTATION__STRING:
return getEAnnotation((String)arguments.get(0));
case EcorePackage.EFACTORY___CREATE__ECLASS:
return create((EClass)arguments.get(0));
case EcorePackage.EFACTORY___CREATE_FROM_STRING__EDATATYPE_STRING:
return createFromString((EDataType)arguments.get(0), (String)arguments.get(1));
case EcorePackage.EFACTORY___CONVERT_TO_STRING__EDATATYPE_OBJECT:
return convertToString((EDataType)arguments.get(0), arguments.get(1));
}
return eDynamicInvoke(operationID, arguments);
}
/**
* @generated modifiable
*/
public EObject create(EClass eClass)
{
if (getEPackage() != eClass.getEPackage() || eClass.isAbstract())
{
throw new IllegalArgumentException("The class '" + eClass.getName() + "' is not a valid classifier");
}
for (List<EClass> eSuperTypes = eClass.getESuperTypes(); !eSuperTypes.isEmpty(); )
{
EClass eSuperType = eSuperTypes.get(0);
if (eSuperType.getInstanceClass() != null)
{
EObject result = eSuperType.getEPackage().getEFactoryInstance().create(eSuperType);
((InternalEObject)result).eSetClass(eClass);
return result;
}
eSuperTypes = eSuperType.getESuperTypes();
}
return basicCreate(eClass);
}
protected EObject basicCreate(EClass eClass)
{
return
eClass.getInstanceClassName() == "java.util.Map$Entry" ?
new DynamicEObjectImpl.BasicEMapEntry<String, String>(eClass) :
new DynamicEObjectImpl(eClass);
}
/**
* @generated NOT
*/
public Object createFromString(EDataType eDataType, String stringValue)
{
if (stringValue == null)
{
return null;
}
if (getEPackage() != eDataType.getEPackage())
{
throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
}
if (eDataType instanceof EEnum)
{
Object result = ((EEnum)eDataType).getEEnumLiteralByLiteral(stringValue);
if (result == null)
{
throw new IllegalArgumentException("The value '" + stringValue + "' is not a valid enumerator of '" + eDataType.getName() + "'");
}
return result;
}
switch (ExtendedMetaData.INSTANCE.getWhiteSpaceFacet(eDataType))
{
case ExtendedMetaData.REPLACE_WHITE_SPACE:
{
stringValue = replaceWhiteSpace(stringValue);
break;
}
case ExtendedMetaData.COLLAPSE_WHITE_SPACE:
{
stringValue = collapseWhiteSpace(stringValue);
break;
}
}
EDataType baseType = ExtendedMetaData.INSTANCE.getBaseType(eDataType);
if (baseType != null)
{
return EcoreUtil.createFromString(baseType, stringValue);
}
EDataType itemType = ExtendedMetaData.INSTANCE.getItemType(eDataType);
if (itemType != null)
{
List<Object> result = new ArrayList<Object>();
for (StringTokenizer stringTokenizer = new StringTokenizer(stringValue); stringTokenizer.hasMoreTokens(); )
{
String item = stringTokenizer.nextToken();
result.add(EcoreUtil.createFromString(itemType, item));
}
return result;
}
List<EDataType> memberTypes = ExtendedMetaData.INSTANCE.getMemberTypes(eDataType);
if (!memberTypes.isEmpty())
{
for (EDataType memberType : memberTypes)
{
try
{
Object result = EcoreUtil.createFromString(memberType, stringValue);
if (result != null)
{
return result;
}
}
catch (RuntimeException exception)
{
// Keep trying until all else has failed.
}
}
throw new IllegalArgumentException("The value '" + stringValue + "' does not match any member types of the union datatype '" + eDataType.getName() + "'");
}
Class<?> c = EcoreUtil.wrapperClassFor(eDataType.getInstanceClass());
if (c == null) return null;
if (c == Character.class)
{
char charValue = 0;
try
{
charValue = (char)Integer.parseInt(stringValue);
}
catch (NumberFormatException e)
{
char[] carray = stringValue.toCharArray();
charValue = carray[0];
}
return charValue;
}
if (c == Date.class)
{
for (int i = 0; i < EDATE_FORMATS.length; ++i)
{
try
{
return EDATE_FORMATS[i].parse(stringValue);
}
catch (ParseException parseException)
{
// Keep trying until all else has failed.
}
}
throw new IllegalArgumentException("The value '" + stringValue + "' is not a date formatted string of the form yyyy-MM-dd'T'HH:mm:ss'.'SSSZ or a valid subset thereof");
}
Class<String> stringClass = String.class;
Class<?>[] signature = { stringClass };
Constructor<?> ctor = null;
try
{
ctor = c.getConstructor(signature);
}
catch (NoSuchMethodException e)
{
// Continue to try a different approach.
}
Throwable formatException = null;
try
{
if (ctor != null)
{
Object[] ctorArgs = {stringValue};
return ctor.newInstance(ctorArgs);
}
}
catch (InstantiationException e)
{
formatException = e;
}
catch (InvocationTargetException e)
{
formatException = e.getCause();
}
catch (IllegalAccessException e)
{
formatException = e;
}
Method valueOf = null;
try
{
valueOf = c.getMethod("valueOf", signature);
}
catch (NoSuchMethodException e)
{
// Continue to try a different approach.
}
try
{
if (valueOf != null)
{
Object[] valueOfArgs = {stringValue};
return valueOf.invoke(null, valueOfArgs);
}
}
catch (IllegalArgumentException e)
{
formatException = e;
}
catch (InvocationTargetException e)
{
formatException = e.getCause();
}
catch (IllegalAccessException e)
{
formatException = e;
}
String exceptionString = formatException != null ? formatException.toString() : "";
throw new IllegalArgumentException("The value '" + stringValue + "' is invalid. " + exceptionString, formatException);
}
/**
* @generated modifiable
*/
public String convertToString(EDataType eDataType, Object objectValue)
{
if (getEPackage() != eDataType.getEPackage())
{
throw new IllegalArgumentException("The datatype '" + eDataType.getName() + "' is not a valid classifier");
}
EDataType baseType = ExtendedMetaData.INSTANCE.getBaseType(eDataType);
if (baseType != null)
{
return EcoreUtil.convertToString(baseType, objectValue);
}
EDataType itemType = ExtendedMetaData.INSTANCE.getItemType(eDataType);
if (itemType != null)
{
if (objectValue == null)
{
return null;
}
List<?> list = (List<?>)objectValue;
if (list.isEmpty())
{
return "";
}
StringBuffer result = new StringBuffer();
for (Object item : list)
{
result.append(EcoreUtil.convertToString(itemType, item));
result.append(' ');
}
return result.substring(0, result.length() - 1);
}
List<EDataType> memberTypes = ExtendedMetaData.INSTANCE.getMemberTypes(eDataType);
if (!memberTypes.isEmpty())
{
for (EDataType memberType : memberTypes)
{
if (memberType.isInstance(objectValue))
{
try
{
String result = EcoreUtil.convertToString(memberType, objectValue);
if (result != null)
{
return result;
}
}
catch (Exception e)
{
// Keep trying until all else false.
}
}
}
throw new IllegalArgumentException("Invalid value: '" + objectValue + "' for datatype :"+eDataType.getName());
}
if (objectValue == null)
{
return null;
}
else if (objectValue instanceof Character)
{
return Integer.toString((Character)objectValue);
}
else if (objectValue.getClass() == Date.class)
{
return EDATE_FORMATS[0].format((Date)objectValue);
}
else
{
return objectValue.toString();
}
}
byte[] hexStringToBytes(String initialValue)
{
if (initialValue == null)
{
return null;
}
int size = initialValue.length();
int limit = (size + 1) / 2;
byte [] result = new byte[limit];
if (size % 2 != 0)
{
result[--limit] = hexCharToByte(initialValue.charAt(size - 1));
}
for (int i = 0, j = 0; i < limit; ++i)
{
byte high = hexCharToByte(initialValue.charAt(j++));
byte low = hexCharToByte(initialValue.charAt(j++));
result[i] = (byte)(high << 4 | low);
}
return result;
}
static byte hexCharToByte(char character)
{
switch (character)
{
case '0':
case '1':
case '2':
case '3':
case '4':
case '5':
case '6':
case '7':
case '8':
case '9':
{
return (byte)(character - '0');
}
case 'a':
case 'b':
case 'c':
case 'd':
case 'e':
case 'f':
{
return (byte)(character - 'a' + 10);
}
case 'A':
case 'B':
case 'C':
case 'D':
case 'E':
case 'F':
{
return (byte)(character - 'A' + 10);
}
default:
{
throw new NumberFormatException("Invalid hexadecimal");
}
}
}
static final char [] HEX_DIGITS =
{ '0', '1', '2', '3', '4', '5', '6', '7', '8', '9', 'A', 'B', 'C', 'D', 'E', 'F' };
String bytesToHexString(byte [] bytes, int count)
{
if (bytes == null)
{
return null;
}
else
{
char [] result = new char[2 * count];
for (int i = 0, j = 0; i < count; ++i)
{
int high = (bytes[i] >> 4) & 0xF;
int low = bytes[i] & 0xF;
result[j++] = HEX_DIGITS[high];
result[j++] = HEX_DIGITS[low];
}
return new String(result);
}
}
protected Object createFromString(String hexString)
{
if (hexString == null)
{
return null;
}
else
{
byte [] byteValue = hexStringToBytes(hexString);
ByteArrayInputStream bytes = new ByteArrayInputStream(byteValue);
try
{
ObjectInputStream in = new ObjectInputStream(bytes);
return in.readObject();
}
catch (IOException exception)
{
throw new RuntimeException(exception);
}
catch (ClassNotFoundException exception)
{
throw new RuntimeException(exception);
}
}
}
protected String convertToString(Object instanceValue)
{
ByteArrayOutputStream bytes =
new ByteArrayOutputStream()
{
@Override
public String toString()
{
return bytesToHexString(buf, count);
}
};
try
{
ObjectOutputStream out = new ObjectOutputStream(bytes);
out.writeObject(instanceValue);
out.close();
}
catch (IOException exception)
{
throw new RuntimeException(exception);
}
return bytes.toString();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@SuppressWarnings("unchecked")
@Override
public NotificationChain eInverseAdd(InternalEObject otherEnd, int featureID, NotificationChain msgs)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
return ((InternalEList<InternalEObject>)(InternalEList<?>)getEAnnotations()).basicAdd(otherEnd, msgs);
case EcorePackage.EFACTORY__EPACKAGE:
if (ePackage != null)
msgs = ((InternalEObject)ePackage).eInverseRemove(this, EcorePackage.EPACKAGE__EFACTORY_INSTANCE, EPackage.class, msgs);
return basicSetEPackage((EPackage)otherEnd, msgs);
}
return eDynamicInverseAdd(otherEnd, featureID, msgs);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs)
{
switch (featureID)
{
case EcorePackage.EFACTORY__EANNOTATIONS:
return ((InternalEList<?>)getEAnnotations()).basicRemove(otherEnd, msgs);
case EcorePackage.EFACTORY__EPACKAGE:
return basicSetEPackage(null, msgs);
}
return eDynamicInverseRemove(otherEnd, featureID, msgs);
}
protected String replaceWhiteSpace(String value)
{
return XMLTypeUtil.normalize(value, false);
}
protected String collapseWhiteSpace(String value)
{
return XMLTypeUtil.normalize(value, true);
}
protected String [] split(String value)
{
return value.split("[ \t\n\r\f]");
}
private static class SafeSimpleDateFormat extends SimpleDateFormat
{
private static final long serialVersionUID = 1L;
public SafeSimpleDateFormat(String pattern)
{
super(pattern, Locale.ENGLISH);
}
@Override
public synchronized Date parse(String source) throws ParseException
{
return super.parse(source);
}
@Override
public synchronized StringBuffer format(Date date, StringBuffer toAppendTo, FieldPosition fieldPosition)
{
return super.format(date, toAppendTo, fieldPosition);
}
}
protected static final DateFormat [] EDATE_FORMATS =
{
new SafeSimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSSZ"),
new SafeSimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss'.'SSS"),
new SafeSimpleDateFormat("yyyy-MM-dd'T'HH:mm:ss"),
new SafeSimpleDateFormat("yyyy-MM-dd'T'HH:mm"),
new SafeSimpleDateFormat("yyyy-MM-dd")
};
}