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/*******************************************************************************
* Copyright (c) 2007, 2010 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.jpa.core.internal.resource.java.source;
import org.eclipse.core.resources.IFile;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.JavaModelException;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.JptResourceModelListener;
import org.eclipse.jpt.common.core.internal.utility.jdt.ASTTools;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.core.utility.jdt.AnnotationEditFormatter;
import org.eclipse.jpt.common.utility.CommandExecutor;
import org.eclipse.jpt.common.utility.internal.ListenerList;
import org.eclipse.jpt.jpa.core.JpaAnnotationProvider;
import org.eclipse.jpt.jpa.core.resource.java.JavaResourceCompilationUnit;
/**
* Java compilation unit (source file)
*/
public abstract class SourceCompilationUnit
extends SourceNode
implements JavaResourceCompilationUnit
{
/** JDT compilation unit */
final ICompilationUnit compilationUnit;
/** pluggable annotation provider */
private final JpaAnnotationProvider annotationProvider;
/** improved annotation formatting */
private final AnnotationEditFormatter annotationEditFormatter;
/** pluggable executor that allows the document to be modified on another thread */
private final CommandExecutor modifySharedDocumentCommandExecutor;
/** listeners notified whenever the resource model changes */
private final ListenerList<JptResourceModelListener> resourceModelListenerList;
// ********** construction **********
protected SourceCompilationUnit(
ICompilationUnit compilationUnit,
JpaAnnotationProvider annotationProvider,
AnnotationEditFormatter annotationEditFormatter,
CommandExecutor modifySharedDocumentCommandExecutor) {
super(null); // the JPA compilation unit is the root of its sub-tree
this.compilationUnit = compilationUnit;
this.annotationProvider = annotationProvider;
this.annotationEditFormatter = annotationEditFormatter;
this.modifySharedDocumentCommandExecutor = modifySharedDocumentCommandExecutor;
this.resourceModelListenerList = new ListenerList<JptResourceModelListener>(JptResourceModelListener.class);
}
public void initialize(CompilationUnit astRoot) {
// never called?
}
void openCompilationUnit() {
try {
this.compilationUnit.open(null);
} catch (JavaModelException ex) {
// do nothing - we just won't have a primary type in this case
}
}
void closeCompilationUnit() {
try {
this.compilationUnit.close();
} catch (JavaModelException ex) {
// hmmm
}
}
// ********** AbstractJavaResourceNode overrides **********
@Override
protected boolean requiresParent() {
return false;
}
@Override
public JavaResourceCompilationUnit getRoot() {
return this;
}
@Override
public IFile getFile() {
return (IFile) this.compilationUnit.getResource();
}
@Override
public JpaAnnotationProvider getAnnotationProvider() {
return this.annotationProvider;
}
// ********** JavaResourceNode implementation **********
public TextRange getTextRange(CompilationUnit astRoot) {
return null;
}
// ********** JavaResourceNode.Root implementation **********
public void resourceModelChanged() {
for (JptResourceModelListener listener : this.resourceModelListenerList.getListeners()) {
listener.resourceModelChanged(this);
}
}
// ********** JavaResourceCompilationUnit implementation **********
public ICompilationUnit getCompilationUnit() {
return this.compilationUnit;
}
public CommandExecutor getModifySharedDocumentCommandExecutor() {
return this.modifySharedDocumentCommandExecutor;
}
public AnnotationEditFormatter getAnnotationEditFormatter() {
return this.annotationEditFormatter;
}
@Override
public CompilationUnit buildASTRoot() {
return ASTTools.buildASTRoot(this.compilationUnit);
}
// ********** JptResourceModel implementation **********
public void addResourceModelListener(JptResourceModelListener listener) {
this.resourceModelListenerList.add(listener);
}
public void removeResourceModelListener(JptResourceModelListener listener) {
this.resourceModelListenerList.remove(listener);
}
// ********** Java changes **********
public void synchronizeWithJavaSource() {
this.synchronizeWith(this.buildASTRoot());
}
// ********** internal **********
String getCompilationUnitName() {
return this.removeJavaExtension(this.compilationUnit.getElementName());
}
private String removeJavaExtension(String fileName) {
int index = fileName.lastIndexOf(".java"); //$NON-NLS-1$
return (index == -1) ? fileName : fileName.substring(0, index);
}
@Override
public void toString(StringBuilder sb) {
sb.append(this.getCompilationUnitName());
}
}
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