/*******************************************************************************
* Copyright (c) 2001, 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 Corporation - initial API and implementation
*******************************************************************************/
package org.eclipse.jst.j2ee.ejb.internal.impl;
import java.util.Collection;
import java.util.Collections;
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.EClassifier;
import org.eclipse.emf.ecore.EPackage;
import org.eclipse.emf.ecore.InternalEObject;
import org.eclipse.emf.ecore.impl.EAttributeImpl;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.emf.ecore.resource.Resource;
import org.eclipse.emf.ecore.util.EObjectContainmentEList;
import org.eclipse.emf.ecore.util.InternalEList;
import org.eclipse.jem.java.Field;
import org.eclipse.jem.java.JavaClass;
import org.eclipse.jem.java.JavaHelpers;
import org.eclipse.jem.java.JavaRefPackage;
import org.eclipse.jem.java.Method;
import org.eclipse.jst.j2ee.common.Description;
import org.eclipse.jst.j2ee.ejb.CMPAttribute;
import org.eclipse.jst.j2ee.ejb.ContainerManagedEntity;
import org.eclipse.jst.j2ee.ejb.EjbPackage;
import org.eclipse.jst.j2ee.internal.J2EEVersionConstants;
/**
* Describes a container-managed field. The field element includes an optional description of the field, and the name of the field.
*/
public class CMPAttributeImpl extends EAttributeImpl implements CMPAttribute {
/**
* The default value of the '{@link #getDescription() <em>Description</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getDescription()
* @generated
* @ordered
*/
protected static final String DESCRIPTION_EDEFAULT = null;
protected transient JavaHelpers originatingType;
protected transient CMPAttribute targetAttribute;
/**
* @generated This field/method will be replaced during code generation.
*/
/**
* @generated This field/method will be replaced during code generation.
*/
protected String description = DESCRIPTION_EDEFAULT;
/**
* The cached value of the '{@link #getDescriptions() <em>Descriptions</em>}' containment reference list.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getDescriptions()
* @generated
* @ordered
*/
protected EList descriptions = null;
protected boolean derived;
public CMPAttributeImpl() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return EjbPackage.Literals.CMP_ATTRIBUTE;
}
protected Field findExistingField() {
JavaClass javaClass = getEjbClass();
if (javaClass != null)
return javaClass.getFieldExtended(getName());
return null;
}
public org.eclipse.emf.ecore.EClassifier getAccessorType() {
if (getEjbClass() != null) {
Method getter = getEjbClass().getMethodExtended(getGetterName(), Collections.EMPTY_LIST);
if (getter != null)
return getter.getReturnType();
}
return null;
}
public ContainerManagedEntity getCMPEntity() {
return (ContainerManagedEntity) eContainer();
}
/**
* Return the EjbClass from the CMP Entity.
*/
protected JavaClass getEjbClass() {
ContainerManagedEntity ejb = getCMPEntity();
return ejb == null ? null : ejb.getEjbClass();
}
/**
* Return the KeyClass from the CMP Entity.
*/
protected JavaClass getKeyClass() {
ContainerManagedEntity ejb = getCMPEntity();
return ejb == null ? null : ejb.getPrimaryKey();
}
/**
* @deprecated - With EJB 2.0, assuming a Java field is no longer safe.
* Use getType() and getName() to get the most common field info.
* Or use getEjbClass() to get additional Java info.
*/
public Field getField() {
ContainerManagedEntity ejb = getCMPEntity();
if(ejb == null)
return null;
Field field = null;
switch(ejb.getVersionID()) {
case J2EEVersionConstants.EJB_1_0_ID:
case J2EEVersionConstants.EJB_1_1_ID:
field = findExistingField();
//Set the field type based on the attribute type if necessary
if (field != null && getEType() != null && field.getEType() == null)
field.setEType(getEType());
break;
case J2EEVersionConstants.EJB_2_0_ID:
case J2EEVersionConstants.EJB_2_1_ID: default:
field = ((JavaRefPackage)EPackage.Registry.INSTANCE.getEPackage(JavaRefPackage.eNS_URI)).getJavaRefFactory().createField();
field.setName(getName());
field.setEType(getAccessorType());
break;
}
return field;
}
public String getGetterName() {
if (name != null && name.length() > 0) {
StringBuffer b = new StringBuffer("get"); //$NON-NLS-1$
b.append(Character.toUpperCase(name.charAt(0))).append(name.length() > 1 ? name.substring(1) : ""); //$NON-NLS-1$
return b.toString();
}
return name;
}
/**
* Return the type of this attribute in its original form (i.e., unwrapped if
* the type has been wrapped).
*/
public JavaHelpers getOriginatingType() {
return originatingType;
}
public String getSetterName() {
return "set" + Character.toUpperCase(getName().charAt(0)) + (getName().length() > 1 ? getName().substring(1) : ""); //$NON-NLS-1$ //$NON-NLS-2$
}
public JavaHelpers getType() {
if (getEType() != null)
return (JavaHelpers) getEType();
// Be sensitive to CMP 2.0 beans, get type from field or get accessor type
ContainerManagedEntity ejb = getCMPEntity();
Resource res = eResource();
boolean modFlag = res == null ? false : res.isModified();
boolean deliveryFlag = eDeliver();
try {
eSetDeliver(false);
if(ejb != null) {
switch(ejb.getVersionID()) {
case J2EEVersionConstants.EJB_1_0_ID:
case J2EEVersionConstants.EJB_1_1_ID:
setEType(getTypeFromBeanField());
break;
case J2EEVersionConstants.EJB_2_0_ID:
case J2EEVersionConstants.EJB_2_1_ID: default:
setEType(get20Type());
break;
}
}
} finally {
eSetDeliver(deliveryFlag);
if (res != null && res.isTrackingModification())
res.setModified(modFlag);
}
return (JavaHelpers) getEType();
}
protected EClassifier getTypeFromBeanField() {
EClassifier type = null;
Field field = getField();
if (field != null)
type = field.getEType();
if (type == null)
type = getKeyFieldTypeFromKeyClass();
return type;
}
public EClassifier get20Type() {
EClassifier type = null;
if (getEjbClass() != null) {
String getterName = getGetterName();
if (getterName != null && getterName.length() > 0) {
Method getter = getEjbClass().getMethodExtended(getterName, Collections.EMPTY_LIST);
if (getter != null)
type = getter.getReturnType();
}
}
if (type == null)
type = getKeyFieldTypeFromKeyClass();
return type;
}
/**
* @return
*/
private EClassifier getKeyFieldTypeFromKeyClass() {
if (isKey()) {
JavaClass key = getCMPEntity().getPrimaryKey();
if (key != null && key.getQualifiedName() != null && !key.getQualifiedName().startsWith("java.lang")) { //$NON-NLS-1$
Field field = key.getFieldExtended(getName());
if (field != null)
return field.getEType();
} else
return key;
}
return null;
}
public boolean isCMRField() {
return false;
}
public boolean isKey() {
return getCMPEntity() == null ? false : getCMPEntity().isKeyAttribute(this);
}
public boolean isPrimKeyField(){
return getCMPEntity() == null ? false : getCMPEntity().getPrimKeyField() == this;
}
public void setOriginatingType(JavaHelpers newOriginatingType) {
originatingType = newOriginatingType;
}
/**
* @generated This field/method will be replaced during code generation
* The description is used by the ejb-jar file producer to provide text describing the cmr field.
*
* The description should include any information that the ejb-jar file producer wants to provide to the consumer of the ejb-jar file (i.e. to the Deployer). Typically, the tools used by the ejb-jar file consumer will display the description when processing the list of dependents.
*/
public String getDescription() {
return description;
}
/**
* @generated This field/method will be replaced during code generation.
*/
public void setDescription(String newDescription) {
String oldDescription = description;
description = newDescription;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, EjbPackage.CMP_ATTRIBUTE__DESCRIPTION, oldDescription, description));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
public EList getDescriptions() {
if (descriptions == null) {
descriptions = new EObjectContainmentEList(Description.class, this, EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS);
}
return descriptions;
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public NotificationChain eInverseRemove(InternalEObject otherEnd, int featureID, NotificationChain msgs) {
switch (featureID) {
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS:
return ((InternalEList)getDescriptions()).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 EjbPackage.CMP_ATTRIBUTE__DESCRIPTION:
return getDescription();
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS:
return getDescriptions();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTION:
setDescription((String)newValue);
return;
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS:
getDescriptions().clear();
getDescriptions().addAll((Collection)newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTION:
setDescription(DESCRIPTION_EDEFAULT);
return;
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS:
getDescriptions().clear();
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTION:
return DESCRIPTION_EDEFAULT == null ? description != null : !DESCRIPTION_EDEFAULT.equals(description);
case EjbPackage.CMP_ATTRIBUTE__DESCRIPTIONS:
return descriptions != null && !descriptions.isEmpty();
}
return super.eIsSet(featureID);
}
/**
* This field/method will be replaced during code generation.
*/
@Override
public String toString() {
return super.toString() + " :: " + getName(); //$NON-NLS-1$
}
/**
* Returns true if a targetAttribute is being used.
* @return Returns a boolean
*/
@Override
public boolean isDerived() {
return derived;
}
@Override
public void setDerived(boolean aBoolean) {
if (aBoolean && getEType() == null)
getType(); //This ensures that the type is set.
derived = aBoolean;
}
/**
* @generated This field/method will be replaced during code generation.
*/
public String toStringGen() {
if (eIsProxy()) return super.toString();
StringBuffer result = new StringBuffer(super.toString());
result.append(" (description: "); //$NON-NLS-1$
result.append(description);
result.append(')');
return result.toString();
}
}