public int describe(InputStream contents, IContentDescription description) throws IOException {
int retval = INVALID;
try {
final Field inputStreamField = contents.getClass().getDeclaredField("in");
inputStreamField.setAccessible(true);
final InputStream inputStream = (InputStream) inputStreamField.get(contents);
try {
final Field fileStoreField = inputStream.getClass().getDeclaredField("target");
fileStoreField.setAccessible(true);
final IFileStore fileStore = (IFileStore) fileStoreField.get(inputStream);
if (fileStore != null) {
final IFile file =
ResourcesPlugin.getWorkspace()
.getRoot()
.getFileForLocation(FileUtil.toPath(fileStore.toURI()));
if (isValidFile(file)) {
return VALID;
}
}
} catch (Exception e) {
final Field pathField = inputStream.getClass().getDeclaredField("path");
pathField.setAccessible(true);
final String path = (String) pathField.get(inputStream);
if (isValidFile(path)) {
return VALID;
}
}
} catch (Exception e) {
// ignore errors
}
return retval;
}
protected void copy(File sourceFile, File destinationFile) throws IOException {
if (!sourceFile.exists()) return;
if (sourceFile.renameTo(destinationFile)) return;
InputStream source = null;
OutputStream destination = null;
try {
source = new BufferedInputStream(new FileInputStream(sourceFile));
destination = new BufferedOutputStream(new FileOutputStream(destinationFile));
transferStreams(source, destination);
} finally {
FileUtil.safeClose(source);
FileUtil.safeClose(destination);
}
}
@Override
public void setContents(InputStream content, int updateFlags, IProgressMonitor monitor)
throws CoreException {
monitor = Policy.monitorFor(monitor);
try {
String message = NLS.bind(Messages.resources_settingContents, getFullPath());
monitor.beginTask(message, Policy.totalWork);
if (workspace.shouldValidate) workspace.validateSave(this);
final ISchedulingRule rule = workspace.getRuleFactory().modifyRule(this);
try {
workspace.prepareOperation(rule, monitor);
ResourceInfo info = getResourceInfo(false, false);
checkAccessible(getFlags(info));
workspace.beginOperation(true);
IFileInfo fileInfo = getStore().fetchInfo();
internalSetContents(
content, fileInfo, updateFlags, false, Policy.subMonitorFor(monitor, Policy.opWork));
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
FileUtil.safeClose(content);
}
}
@Override
public void create(InputStream content, int updateFlags, IProgressMonitor monitor)
throws CoreException {
final boolean monitorNull = monitor == null;
monitor = Policy.monitorFor(monitor);
try {
String message =
monitorNull ? "" : NLS.bind(Messages.resources_creating, getFullPath()); // $NON-NLS-1$
monitor.beginTask(message, Policy.totalWork);
checkValidPath(path, FILE, true);
final ISchedulingRule rule = workspace.getRuleFactory().createRule(this);
try {
workspace.prepareOperation(rule, monitor);
checkDoesNotExist();
Container parent = (Container) getParent();
ResourceInfo info = parent.getResourceInfo(false, false);
parent.checkAccessible(getFlags(info));
checkValidGroupContainer(parent, false, false);
workspace.beginOperation(true);
IFileStore store = getStore();
IFileInfo localInfo = store.fetchInfo();
if (BitMask.isSet(updateFlags, IResource.FORCE)) {
if (!Workspace.caseSensitive) {
if (localInfo.exists()) {
String name = getLocalManager().getLocalName(store);
if (name == null || localInfo.getName().equals(name)) {
delete(true, null);
} else {
// The file system is not case sensitive and there is already a file
// under this location.
message =
NLS.bind(
Messages.resources_existsLocalDifferentCase,
new Path(store.toString()).removeLastSegments(1).append(name).toOSString());
throw new ResourceException(
IResourceStatus.CASE_VARIANT_EXISTS, getFullPath(), message, null);
}
}
}
} else {
if (localInfo.exists()) {
// return an appropriate error message for case variant collisions
if (!Workspace.caseSensitive) {
String name = getLocalManager().getLocalName(store);
if (name != null && !localInfo.getName().equals(name)) {
message =
NLS.bind(
Messages.resources_existsLocalDifferentCase,
new Path(store.toString()).removeLastSegments(1).append(name).toOSString());
throw new ResourceException(
IResourceStatus.CASE_VARIANT_EXISTS, getFullPath(), message, null);
}
}
message = NLS.bind(Messages.resources_fileExists, store.toString());
throw new ResourceException(
IResourceStatus.FAILED_WRITE_LOCAL, getFullPath(), message, null);
}
}
monitor.worked(Policy.opWork * 40 / 100);
info = workspace.createResource(this, updateFlags);
boolean local = content != null;
if (local) {
try {
internalSetContents(
content,
localInfo,
updateFlags,
false,
Policy.subMonitorFor(monitor, Policy.opWork * 60 / 100));
} catch (CoreException e) {
// a problem happened creating the file on disk, so delete from the workspace and disk
workspace.deleteResource(this);
store.delete(EFS.NONE, null);
throw e; // rethrow
} catch (OperationCanceledException e) {
// the operation of setting contents has been canceled, so delete the file from the
// workspace and disk
workspace.deleteResource(this);
store.delete(EFS.NONE, null);
throw e;
}
}
internalSetLocal(local, DEPTH_ZERO);
if (!local) getResourceInfo(true, true).clearModificationStamp();
} catch (OperationCanceledException e) {
workspace.getWorkManager().operationCanceled();
throw e;
} finally {
workspace.endOperation(rule, true, Policy.subMonitorFor(monitor, Policy.endOpWork));
}
} finally {
monitor.done();
FileUtil.safeClose(content);
}
}