@Override
protected String exec(AppCommandParser parser, Session session, Output out)
throws ShellException {
if (parser.arguments().size() < 2) {
throw new ShellException(
"Must supply <from-key> <to-key> " + "arguments, like: mv name \"given_name\"");
}
String fromKey = parser.arguments().get(0);
String toKey = parser.arguments().get(1);
boolean mayOverwrite = parser.options().containsKey("o");
NodeOrRelationship thing = getCurrent(session);
if (!thing.hasProperty(fromKey)) {
throw new ShellException("Property '" + fromKey + "' doesn't exist");
}
if (thing.hasProperty(toKey)) {
if (!mayOverwrite) {
throw new ShellException(
"Property '" + toKey + "' already exists, supply -o flag to overwrite");
} else {
thing.removeProperty(toKey);
}
}
Object value = thing.removeProperty(fromKey);
thing.setProperty(toKey, value);
return null;
}
public String interpretLine(String line, Session session, Output out) throws ShellException {
if (line == null || line.trim().length() == 0) {
return "";
}
line = replaceAlias(line, session);
AppCommandParser parser = new AppCommandParser(this, line);
return parser.app().execute(parser, session, out);
}
@Override
protected String exec(AppCommandParser parser, Session session, Output out)
throws ShellException, RemoteException {
List<TypedId> paths = readCurrentWorkingDir(session);
NodeOrRelationship current = getCurrent(session);
NodeOrRelationship newThing = null;
if (parser.arguments().isEmpty()) {
newThing = NodeOrRelationship.wrap(getServer().getDb().getReferenceNode());
paths.clear();
} else {
String arg = parser.arguments().get(0);
TypedId newId = current.getTypedId();
if (arg.equals("..")) {
if (paths.size() > 0) {
newId = paths.remove(paths.size() - 1);
}
} else if (arg.equals(".")) {
} else if (arg.equals(START_ALIAS) || arg.equals(END_ALIAS)) {
newId = getStartOrEnd(current, arg);
paths.add(current.getTypedId());
} else {
long suppliedId = -1;
try {
suppliedId = Long.parseLong(arg);
} catch (NumberFormatException e) {
suppliedId = findNodeWithTitle(current.asNode(), arg, session);
if (suppliedId == -1) {
throw new ShellException("No connected node with title '" + arg + "'");
}
}
newId =
parser.options().containsKey("r")
? new TypedId(NodeOrRelationship.TYPE_RELATIONSHIP, suppliedId)
: new TypedId(NodeOrRelationship.TYPE_NODE, suppliedId);
if (newId.equals(current.getTypedId())) {
throw new ShellException("Can't cd to where you stand");
}
boolean absolute = parser.options().containsKey("a");
if (!absolute && !this.isConnected(current, newId)) {
throw new ShellException(
getDisplayName(getServer(), session, newId, false)
+ " isn't connected to the current primitive,"
+ " use -a to force it to go there anyway");
}
paths.add(current.getTypedId());
}
newThing = this.getThingById(newId);
}
setCurrent(session, newThing);
writeCurrentWorkingDir(paths, session);
return null;
}
public TabCompletion tabComplete(String partOfLine, Session session)
throws ShellException, RemoteException {
// TODO We can't assume it's an AppShellServer, can we?
AppCommandParser parser = new AppCommandParser(this, partOfLine);
App app = parser.app();
List<String> appCandidates = app.completionCandidates(partOfLine, session);
appCandidates = quote(appCandidates);
if (appCandidates.size() == 1) {
appCandidates.set(0, appCandidates.get(0) + " ");
}
int cursor = partOfLine.length() - TextUtil.lastWordOrQuoteOf(partOfLine, true).length();
return new TabCompletion(appCandidates, cursor);
}
private App getApp(AppCommandParser parser) throws Exception {
String appName = parser.arguments().get(0).toLowerCase();
App app = this.getServer().findApp(appName);
if (app == null) {
throw new ShellException("No manual entry for '" + appName + "'");
}
return app;
}
@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out)
throws ShellException, RemoteException {
NodeOrRelationship node = null;
if (parser.arguments().isEmpty()) {
node = getCurrent(session);
} else {
long id = parseInt(parser.arguments().get(0));
try {
node = wrap(getNodeById(id));
} catch (NotFoundException e) {
throw new ShellException("No node " + id + " found");
}
}
if (!node.isNode()) {
out.println("Please select a node to delete");
return Continuation.INPUT_COMPLETE;
}
boolean forceDeletion = parser.options().containsKey("f");
if (forceDeletion) {
for (Relationship relationship : node.asNode().getRelationships()) {
out.println(
"Relationship "
+ getDisplayName(getServer(), session, relationship, true, false)
+ " deleted");
relationship.delete();
}
}
if (node.asNode().hasRelationship()) {
throw new ShellException(
getDisplayName(getServer(), session, node.asNode(), false)
+ " cannot be deleted because it still has relationships. Use -f to force deletion of its relationships");
}
node.asNode().delete();
return Continuation.INPUT_COMPLETE;
}
protected String replaceAlias(String line, Session session) throws ShellException {
boolean changed = true;
Set<String> appNames = new HashSet<String>();
while (changed) {
changed = false;
String appName = AppCommandParser.parseOutAppName(line);
String prefixedKey = Alias.ALIAS_PREFIX + appName;
String alias = (String) AbstractApp.safeGet(session, prefixedKey);
if (alias != null && appNames.add(alias)) {
changed = true;
line = alias + line.substring(appName.length());
}
}
return line;
}
@Override
public Continuation execute(AppCommandParser parser, Session session, Output out)
throws Exception {
if (parser.arguments().size() == 0) {
boolean list = parser.options().containsKey("l");
printHelpString(out, getServer(), list);
return Continuation.INPUT_COMPLETE;
}
App app = this.getApp(parser);
out.println("");
for (String line : splitLongLine(fixDesciption(app.getDescription()), CONSOLE_WIDTH)) {
out.println(line);
}
println(out, "");
boolean hasOptions = false;
for (String option : app.getAvailableOptions()) {
hasOptions = true;
String description = fixDesciption(app.getDescription(option));
String[] descriptionLines = splitLongLine(description, CONSOLE_WIDTH);
for (int i = 0; i < descriptionLines.length; i++) {
String line = "";
if (i == 0) {
String optionPrefix = option.length() > 1 ? "--" : "-";
line = optionPrefix + option;
}
line += "\t ";
line += descriptionLines[i];
println(out, line);
}
}
if (hasOptions) {
println(out, "");
}
return Continuation.INPUT_COMPLETE;
}
@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out)
throws ShellException, RemoteException {
assertCurrentIsNode(session);
Node node = this.getCurrent(session).asNode();
boolean caseInsensitiveFilters = parser.options().containsKey("i");
boolean looseFilters = parser.options().containsKey("l");
boolean quiet = parser.options().containsKey("q");
// Order
TraversalDescription description = Traversal.description();
String order = parser.options().get("o");
if (order != null) {
description = description.order(parseOrder(order));
}
// Relationship types / expander
String relationshipTypes = parser.options().get("r");
if (relationshipTypes != null) {
Map<String, Object> types = parseFilter(relationshipTypes, out);
description =
description.expand(
toExpander(getServer().getDb(), null, types, caseInsensitiveFilters, looseFilters));
}
// Uniqueness
String uniqueness = parser.options().get("u");
if (uniqueness != null) {
description = description.uniqueness(parseUniqueness(uniqueness));
}
// Depth limit
String depthLimit = parser.options().get("d");
if (depthLimit != null) {
description = description.evaluator(toDepth(parseInt(depthLimit)));
}
String filterString = parser.options().get("f");
Map<String, Object> filterMap = filterString != null ? parseFilter(filterString, out) : null;
String commandToRun = parser.options().get("c");
Collection<String> commandsToRun = new ArrayList<String>();
if (commandToRun != null) {
commandsToRun.addAll(Arrays.asList(commandToRun.split(Pattern.quote("&&"))));
}
for (Path path : description.traverse(node)) {
boolean hit = false;
if (filterMap == null) {
hit = true;
} else {
Node endNode = path.endNode();
Map<String, Boolean> matchPerFilterKey = new HashMap<String, Boolean>();
for (String key : endNode.getPropertyKeys()) {
for (Map.Entry<String, Object> filterEntry : filterMap.entrySet()) {
String filterKey = filterEntry.getKey();
if (matchPerFilterKey.containsKey(filterKey)) {
continue;
}
if (matches(
newPattern(filterKey, caseInsensitiveFilters),
key,
caseInsensitiveFilters,
looseFilters)) {
Object value = endNode.getProperty(key);
String filterPattern =
filterEntry.getValue() != null ? filterEntry.getValue().toString() : null;
if (matches(
newPattern(filterPattern, caseInsensitiveFilters),
value.toString(),
caseInsensitiveFilters,
looseFilters)) {
matchPerFilterKey.put(filterKey, true);
}
}
}
}
if (matchPerFilterKey.size() == filterMap.size()) {
hit = true;
}
}
if (hit) {
if (commandsToRun.isEmpty()) {
printPath(path, quiet, session, out);
} else {
printAndInterpretTemplateLines(
commandsToRun,
false,
true,
NodeOrRelationship.wrap(path.endNode()),
getServer(),
session,
out);
}
}
}
return Continuation.INPUT_COMPLETE;
}