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/*******************************************************************************
* Copyright (c) 2007 Oracle. 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:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.core.internal.content.persistence;
import java.util.Iterator;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.resources.IFolder;
import org.eclipse.emf.common.notify.Notification;
import org.eclipse.emf.ecore.EClass;
import org.eclipse.emf.ecore.impl.ENotificationImpl;
import org.eclipse.jdt.core.IPackageFragmentRoot;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jpt.core.internal.IJpaFile;
import org.eclipse.jpt.core.internal.ITextRange;
import org.eclipse.jpt.core.internal.JptCorePlugin;
import org.eclipse.jpt.core.internal.XmlEObject;
import org.eclipse.jpt.utility.internal.CollectionTools;
import org.eclipse.jpt.utility.internal.iterators.EmptyIterator;
import org.eclipse.jpt.utility.internal.iterators.FilteringIterator;
import org.eclipse.wst.common.internal.emf.utilities.DOMUtilities;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMNode;
/**
* <!-- begin-user-doc -->
* A representation of the model object '<em><b>Mapping File Ref</b></em>'.
* <!-- end-user-doc -->
*
* <p>
* The following features are supported:
* <ul>
* <li>{@link org.eclipse.jpt.core.internal.content.persistence.MappingFileRef#getFileName <em>File Name</em>}</li>
* </ul>
* </p>
*
* @see org.eclipse.jpt.core.internal.content.persistence.PersistencePackage#getMappingFileRef()
* @model kind="class"
* @generated
*/
public class MappingFileRef extends XmlEObject
{
/**
* The default value of the '{@link #getFileName() <em>File Name</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getFileName()
* @generated
* @ordered
*/
protected static final String FILE_NAME_EDEFAULT = null;
/**
* The cached value of the '{@link #getFileName() <em>File Name</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @see #getFileName()
* @generated
* @ordered
*/
protected String fileName = FILE_NAME_EDEFAULT;
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
protected MappingFileRef() {
super();
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
protected EClass eStaticClass() {
return PersistencePackage.Literals.MAPPING_FILE_REF;
}
/**
* Returns the value of the '<em><b>File Name</b></em>' attribute.
* <!-- begin-user-doc -->
* <p>
* If the meaning of the '<em>File Name</em>' attribute isn't clear,
* there really should be more of a description here...
* </p>
* <!-- end-user-doc -->
* @return the value of the '<em>File Name</em>' attribute.
* @see #setFileName(String)
* @see org.eclipse.jpt.core.internal.content.persistence.PersistencePackage#getMappingFileRef_FileName()
* @model unique="false" required="true" ordered="false"
* @generated
*/
public String getFileName() {
return fileName;
}
/**
* Sets the value of the '{@link org.eclipse.jpt.core.internal.content.persistence.MappingFileRef#getFileName <em>File Name</em>}' attribute.
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @param value the new value of the '<em>File Name</em>' attribute.
* @see #getFileName()
* @generated
*/
public void setFileName(String newFileName) {
String oldFileName = fileName;
fileName = newFileName;
if (eNotificationRequired())
eNotify(new ENotificationImpl(this, Notification.SET, PersistencePackage.MAPPING_FILE_REF__FILE_NAME, oldFileName, fileName));
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public Object eGet(int featureID, boolean resolve, boolean coreType) {
switch (featureID) {
case PersistencePackage.MAPPING_FILE_REF__FILE_NAME :
return getFileName();
}
return super.eGet(featureID, resolve, coreType);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eSet(int featureID, Object newValue) {
switch (featureID) {
case PersistencePackage.MAPPING_FILE_REF__FILE_NAME :
setFileName((String) newValue);
return;
}
super.eSet(featureID, newValue);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public void eUnset(int featureID) {
switch (featureID) {
case PersistencePackage.MAPPING_FILE_REF__FILE_NAME :
setFileName(FILE_NAME_EDEFAULT);
return;
}
super.eUnset(featureID);
}
/**
* <!-- begin-user-doc -->
* <!-- end-user-doc -->
* @generated
*/
@Override
public boolean eIsSet(int featureID) {
switch (featureID) {
case PersistencePackage.MAPPING_FILE_REF__FILE_NAME :
return FILE_NAME_EDEFAULT == null ? fileName != null : !FILE_NAME_EDEFAULT.equals(fileName);
}
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(" (fileName: ");
result.append(fileName);
result.append(')');
return result.toString();
}
@Override
public ITextRange getTextRange() {
IDOMNode textNode = (IDOMNode) DOMUtilities.getChildTextNode(node);
return (textNode == null) ? buildTextRange(node) : buildTextRange(textNode);
}
public IJpaFile getMappingFile() {
IJpaFile mappingFile = null;
for (Iterator stream = javaSourceFolders(); stream.hasNext();) {
IFolder sourceFolder = (IFolder) ((IPackageFragmentRoot) stream.next()).getResource();
IFile file = sourceFolder.getFile(fileName);
IJpaFile jpaFile = JptCorePlugin.getJpaFile(file);
if (mappingFile != null && jpaFile != null) {
return null; // multiple possibilities == not resolved
}
mappingFile = jpaFile;
}
return mappingFile;
}
private Iterator javaSourceFolders() {
Iterator nestedIterator = EmptyIterator.instance();
try {
nestedIterator = CollectionTools.iterator(getJpaProject().getJavaProject().getPackageFragmentRoots());
}
catch (JavaModelException jme) { /* do nothing */}
return new FilteringIterator(nestedIterator) {
@Override
protected boolean accept(Object o) {
try {
return ((IPackageFragmentRoot) o).getKind() == IPackageFragmentRoot.K_SOURCE;
}
catch (JavaModelException jme) {
return false;
}
}
};
}
}
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