@Override
public synchronized IBuffer createBuffer(final ICompilationUnit workingCopy) {
String path = workingCopy.getPath().toString();
if (documents.containsKey(path)) {
return get(path, JavaPadDocument.class);
}
JavaPadDocument doc;
IFile file =
workingCopy.getResource() instanceof IFile ? (IFile) workingCopy.getResource() : null;
try {
documents.put(
workingCopy.getPath().toString(),
doc = new JavaPadDocument(this, collaboration.get(file), workingCopy));
} catch (IOException ioe) {
ioe.printStackTrace(); // XXX
throw new Error(ioe); // XXX
}
return doc;
}
/**
* Copies/moves a compilation unit with the name <code>newCUName</code> to the destination
* package.<br>
* The package statement in the compilation unit is updated if necessary. The main type of the
* compilation unit is renamed if necessary.
*
* @exception JavaModelException if the operation is unable to complete
*/
private void processCompilationUnitResource(ICompilationUnit source, PackageFragment dest)
throws JavaModelException {
String newCUName = getNewNameFor(source);
String destName = (newCUName != null) ? newCUName : source.getElementName();
TextEdit edit = updateContent(source, dest, newCUName); // null if unchanged
// TODO (frederic) remove when bug 67606 will be fixed (bug 67823)
// store encoding (fix bug 66898)
IFile sourceResource = (IFile) source.getResource();
String sourceEncoding = null;
try {
sourceEncoding = sourceResource.getCharset(false);
} catch (CoreException ce) {
// no problem, use default encoding
}
// end todo
// copy resource
IContainer destFolder = (IContainer) dest.getResource(); // can be an IFolder or an IProject
IFile destFile = destFolder.getFile(new Path(destName));
org.eclipse.jdt.internal.core.CompilationUnit destCU =
new org.eclipse.jdt.internal.core.CompilationUnit(
dest, destName, DefaultWorkingCopyOwner.PRIMARY);
if (!destFile.equals(sourceResource)) {
try {
if (!destCU.isWorkingCopy()) {
if (destFile.exists()) {
if (this.force) {
// we can remove it
deleteResource(destFile, IResource.KEEP_HISTORY);
destCU.close(); // ensure the in-memory buffer for the dest CU is closed
} else {
// abort
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(
Messages.status_nameCollision, destFile.getFullPath().toString())));
}
}
int flags = this.force ? IResource.FORCE : IResource.NONE;
if (isMove()) {
flags |= IResource.KEEP_HISTORY;
sourceResource.move(destFile.getFullPath(), flags, getSubProgressMonitor(1));
} else {
if (edit != null) flags |= IResource.KEEP_HISTORY;
sourceResource.copy(destFile.getFullPath(), flags, getSubProgressMonitor(1));
}
setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
} else {
destCU.getBuffer().setContents(source.getBuffer().getContents());
}
} catch (JavaModelException e) {
throw e;
} catch (CoreException e) {
throw new JavaModelException(e);
}
// update new resource content
if (edit != null) {
boolean wasReadOnly = destFile.isReadOnly();
try {
saveContent(dest, destName, edit, sourceEncoding, destFile);
} catch (CoreException e) {
if (e instanceof JavaModelException) throw (JavaModelException) e;
throw new JavaModelException(e);
} finally {
Util.setReadOnly(destFile, wasReadOnly);
}
}
// register the correct change deltas
prepareDeltas(source, destCU, isMove());
if (newCUName != null) {
// the main type has been renamed
String oldName = Util.getNameWithoutJavaLikeExtension(source.getElementName());
String newName = Util.getNameWithoutJavaLikeExtension(newCUName);
prepareDeltas(source.getType(oldName), destCU.getType(newName), isMove());
}
} else {
if (!this.force) {
throw new JavaModelException(
new JavaModelStatus(
IJavaModelStatusConstants.NAME_COLLISION,
Messages.bind(Messages.status_nameCollision, destFile.getFullPath().toString())));
}
// update new resource content
// in case we do a saveas on the same resource we have to simply update the contents
// see http://dev.eclipse.org/bugs/show_bug.cgi?id=9351
if (edit != null) {
saveContent(dest, destName, edit, sourceEncoding, destFile);
}
}
}