/**
* Use the ChooseWorkspaceDialog to get the new workspace from the user.
*
* @return a string naming the new workspace and null if cancel was selected
*/
private String promptForWorkspace() {
// get the current workspace as the default
ChooseWorkspaceData data = new ChooseWorkspaceData(Platform.getInstanceLocation().getURL());
ChooseWorkspaceDialog dialog =
new ChooseWorkspaceWithSettingsDialog(window.getShell(), data, true, false);
dialog.prompt(true);
// return null if the user changed their mind
String selection = data.getSelection();
if (selection == null) {
return null;
}
// otherwise store the new selection and return the selection
data.writePersistedData();
return selection;
}
/**
* Return <code>null</code> if a valid workspace path has been set and an exit code otherwise.
* Prompt for and set the path if possible and required.
*
* @param applicationArguments the command line arguments
* @return <code>null</code> if a valid instance location has been set and an exit code otherwise
*/
private Object checkInstanceLocation(Shell shell, Map applicationArguments) {
// -data @none was specified but an ide requires workspace
Location instanceLoc = Platform.getInstanceLocation();
if (instanceLoc == null) {
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceMandatoryTitle,
IDEWorkbenchMessages.IDEApplication_workspaceMandatoryMessage);
return EXIT_OK;
}
// -data "/valid/path", workspace already set
if (instanceLoc.isSet()) {
// make sure the meta data version is compatible (or the user has
// chosen to overwrite it).
if (!checkValidWorkspace(shell, instanceLoc.getURL())) {
return EXIT_OK;
}
// at this point its valid, so try to lock it and update the
// metadata version information if successful
try {
if (instanceLoc.lock()) {
writeWorkspaceVersion();
return null;
}
// we failed to create the directory.
// Two possibilities:
// 1. directory is already in use
// 2. directory could not be created
File workspaceDirectory = new File(instanceLoc.getURL().getFile());
if (workspaceDirectory.exists()) {
if (isDevLaunchMode(applicationArguments)) {
return EXIT_WORKSPACE_LOCKED;
}
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceCannotLockTitle,
NLS.bind(
IDEWorkbenchMessages.IDEApplication_workspaceCannotLockMessage,
workspaceDirectory.getAbsolutePath()));
} else {
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetTitle,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetMessage);
}
} catch (IOException e) {
IDEWorkbenchPlugin.log(
"Could not obtain lock for workspace location", //$NON-NLS-1$
e);
MessageDialog.openError(shell, IDEWorkbenchMessages.InternalError, e.getMessage());
}
return EXIT_OK;
}
// -data @noDefault or -data not specified, prompt and set
ChooseWorkspaceData launchData = new ChooseWorkspaceData(instanceLoc.getDefault());
boolean force = false;
while (true) {
URL workspaceUrl = promptForWorkspace(shell, launchData, force);
if (workspaceUrl == null) {
return EXIT_OK;
}
// if there is an error with the first selection, then force the
// dialog to open to give the user a chance to correct
force = true;
try {
// the operation will fail if the url is not a valid
// instance data area, so other checking is unneeded
if (instanceLoc.set(workspaceUrl, true)) {
launchData.writePersistedData();
writeWorkspaceVersion();
return null;
}
} catch (IllegalStateException e) {
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetTitle,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetMessage);
return EXIT_OK;
} catch (IOException e) {
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetTitle,
IDEWorkbenchMessages.IDEApplication_workspaceCannotBeSetMessage);
}
// by this point it has been determined that the workspace is
// already in use -- force the user to choose again
MessageDialog.openError(
shell,
IDEWorkbenchMessages.IDEApplication_workspaceInUseTitle,
NLS.bind(
IDEWorkbenchMessages.IDEApplication_workspaceInUseMessage, workspaceUrl.getFile()));
}
}
/*
* (non-Javadoc)
*
* @see org.eclipse.jface.action.Action#run()
*/
public void run() {
data.workspaceSelected(location);
data.writePersistedData();
restart(location);
}
