It is possible that the contents of the
- * original resource have changed since the working copy was created,
- * in which case there is an update conflict. This operation allows
- * for two settings to resolve conflict set by the fForce flag:
false - in this case an JavaModelException
- * is throwntrue - in this case the contents of
- * the working copy are applied to the underlying resource even though
- * the working copy was created before a subsequent change in the
- * resource
+ * It is possible that the contents of the original resource have changed since
+ * the working copy was created, in which case there is an update conflict. This
+ * operation allows for two settings to resolve conflict set by the
+ * fForce flag:
+ *
false- in this case an
+ * JavaModelException is throwntrue- in this case the contents of the
+ * working copy are applied to the underlying resource even though the working
+ * copy was created before a subsequent change in the resourceThe default conflict resolution setting is the force flag is false
- *
- * A JavaModelOperation exception is thrown either if the commit could not
- * be performed or if the new content of the compilation unit violates some Java Model
- * constraint (e.g. if the new package declaration doesn't match the name of the folder
- * containing the compilation unit).
+ *
+ *
+ * The default conflict resolution setting is the force flag is
+ * false
+ *
+ * A JavaModelOperation exception is thrown either if the commit could not be
+ * performed or if the new content of the compilation unit violates some Java
+ * Model constraint (e.g. if the new package declaration doesn't match the name
+ * of the folder containing the compilation unit).
*/
public class CommitWorkingCopyOperation extends JavaModelOperation {
/**
- * Constructs an operation to commit the contents of a working copy
- * to its original compilation unit.
+ * Constructs an operation to commit the contents of a working copy to its
+ * original compilation unit.
*/
public CommitWorkingCopyOperation(ICompilationUnit element, boolean force) {
- super(new IJavaElement[] {element}, force);
+ super(new IJavaElement[] { element }, force);
}
+
/**
- * @exception JavaModelException if setting the source
- * of the original compilation unit fails
+ * @exception JavaModelException
+ * if setting the source of the original compilation unit
+ * fails
*/
protected void executeOperation() throws JavaModelException {
try {
beginTask(Util.bind("workingCopy.commit"), 2); //$NON-NLS-1$
- WorkingCopy copy = (WorkingCopy)getCompilationUnit();
- ICompilationUnit original = (ICompilationUnit) copy.getOriginalElement();
-
-
- // creates the delta builder (this remembers the content of the cu)
- if (!original.isOpen()) {
+ CompilationUnit workingCopy = getCompilationUnit();
+ IFile resource = (IFile) workingCopy.getResource();
+ ICompilationUnit primary = workingCopy.getPrimary();
+ boolean isPrimary = workingCopy.isPrimary();
+
+ JavaElementDeltaBuilder deltaBuilder = null;
+ // PackageFragmentRoot root =
+ // (PackageFragmentRoot)workingCopy.getAncestor(IJavaElement.PACKAGE_FRAGMENT_ROOT);
+ boolean isIncluded = !Util.isExcluded(workingCopy);
+ // if (isPrimary || (root.isOnClasspath() && isIncluded &&
+ // resource.isAccessible() &&
+ // ProjectPrefUtil.isValidCompilationUnitName(workingCopy.getElementName())))
+ // {
+ if (isPrimary
+ || (isIncluded && resource.isAccessible() && Util
+ .isValidCompilationUnitName(workingCopy
+ .getElementName()))) {
+
// force opening so that the delta builder can get the old info
- original.open(null);
- }
- JavaElementDeltaBuilder deltaBuilder;
- if (Util.isExcluded(original)) {
- deltaBuilder = null;
+ if (!isPrimary && !primary.isOpen()) {
+ primary.open(null);
+ }
+
+ // creates the delta builder (this remembers the content of the
+ // cu) if:
+ // - it is not excluded
+ // - and it is not a primary or it is a non-consistent primary
+ if (isIncluded && (!isPrimary || !workingCopy.isConsistent())) {
+ deltaBuilder = new JavaElementDeltaBuilder(primary);
+ }
+
+ // save the cu
+ IBuffer primaryBuffer = primary.getBuffer();
+ if (!isPrimary) {
+ if (primaryBuffer == null)
+ return;
+ char[] primaryContents = primaryBuffer.getCharacters();
+ boolean hasSaved = false;
+ try {
+ IBuffer workingCopyBuffer = workingCopy.getBuffer();
+ if (workingCopyBuffer == null)
+ return;
+ primaryBuffer.setContents(workingCopyBuffer
+ .getCharacters());
+ primaryBuffer.save(this.progressMonitor, this.force);
+ primary.makeConsistent(this);
+ hasSaved = true;
+ } finally {
+ if (!hasSaved) {
+ // restore original buffer contents since something
+ // went wrong
+ primaryBuffer.setContents(primaryContents);
+ }
+ }
+ } else {
+ // for a primary working copy no need to set the content of
+ // the buffer again
+ primaryBuffer.save(this.progressMonitor, this.force);
+ primary.makeConsistent(this);
+ }
} else {
- deltaBuilder = new JavaElementDeltaBuilder(original);
- }
-
- // save the cu
- IBuffer originalBuffer = original.getBuffer();
- if (originalBuffer == null) return;
- char[] originalContents = originalBuffer.getCharacters();
- boolean hasSaved = false;
- try {
- IBuffer copyBuffer = copy.getBuffer();
- if (copyBuffer == null) return;
- originalBuffer.setContents(copyBuffer.getCharacters());
- original.save(fMonitor, fForce);
- this.setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
- hasSaved = true;
- } finally {
- if (!hasSaved){
- // restore original buffer contents since something went wrong
- originalBuffer.setContents(originalContents);
+ // working copy on cu outside classpath OR resource doesn't
+ // exist yet
+ String encoding = null;
+ try {
+ encoding = resource.getCharset();
+ } catch (CoreException ce) {
+ // use no encoding
+ }
+ String contents = workingCopy.getSource();
+ if (contents == null)
+ return;
+ try {
+ byte[] bytes = encoding == null ? contents.getBytes()
+ : contents.getBytes(encoding);
+ ByteArrayInputStream stream = new ByteArrayInputStream(
+ bytes);
+ if (resource.exists()) {
+ resource.setContents(stream,
+ this.force ? IResource.FORCE
+ | IResource.KEEP_HISTORY
+ : IResource.KEEP_HISTORY, null);
+ } else {
+ resource.create(stream, this.force,
+ this.progressMonitor);
+ }
+ } catch (CoreException e) {
+ throw new JavaModelException(e);
+ } catch (UnsupportedEncodingException e) {
+ throw new JavaModelException(e,
+ IJavaModelStatusConstants.IO_EXCEPTION);
}
+
}
+
+ setAttribute(HAS_MODIFIED_RESOURCE_ATTR, TRUE);
+
// make sure working copy is in sync
- copy.updateTimeStamp((CompilationUnit)original);
- copy.makeConsistent(this);
+ workingCopy.updateTimeStamp((CompilationUnit) primary);
+ workingCopy.makeConsistent(this);
worked(1);
-
+
+ // build the deltas
if (deltaBuilder != null) {
- // build the deltas
deltaBuilder.buildDeltas();
-
- // add the deltas to the list of deltas created during this operation
+
+ // add the deltas to the list of deltas created during this
+ // operation
if (deltaBuilder.delta != null) {
addDelta(deltaBuilder.delta);
}
}
worked(1);
- } finally {
+ } finally {
done();
}
}
+
/**
* Returns the compilation unit this operation is working on.
*/
- protected ICompilationUnit getCompilationUnit() {
- return (ICompilationUnit)getElementToProcess();
+ protected CompilationUnit getCompilationUnit() {
+ return (CompilationUnit) getElementToProcess();
+ }
+
+ protected ISchedulingRule getSchedulingRule() {
+ IResource resource = getElementToProcess().getResource();
+ IWorkspace workspace = resource.getWorkspace();
+ if (resource.exists()) {
+ return workspace.getRuleFactory().modifyRule(resource);
+ } else {
+ return workspace.getRuleFactory().createRule(resource);
+ }
}
+
/**
- * Possible failures: