| /******************************************************************************* |
| * Copyright (c) 2001, 2005 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.EAttribute; |
| 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, EAttribute { |
| |
| /** |
| * 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 |
| */ |
| 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 |
| */ |
| 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 |
| */ |
| 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 |
| */ |
| 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 |
| */ |
| 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 |
| */ |
| 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. |
| */ |
| public String toString() { |
| return super.toString() + " :: " + getName(); //$NON-NLS-1$ |
| } |
| /** |
| * Returns true if a targetAttribute is being used. |
| * @return Returns a boolean |
| */ |
| public boolean isDerived() { |
| return derived; |
| } |
| 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: "); |
| result.append(description); |
| result.append(')'); |
| return result.toString(); |
| } |
| |
| } |
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