Examples with ShellException org.neo4j.shell.ShellException used on opensource projects

Example 6 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class IndexProviderShellApp method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws ShellException, RemoteException {
    boolean doCd = parser.options().containsKey("cd");
    boolean doLs = parser.options().containsKey("ls");
    boolean query = parser.options().containsKey("q");
    boolean get = parser.options().containsKey("g") || query || doCd || doLs;
    boolean index = parser.options().containsKey("i");
    boolean remove = parser.options().containsKey("r");
    boolean getConfig = parser.options().containsKey("get-config");
    boolean create = parser.options().containsKey("create");
    boolean setConfig = parser.options().containsKey("set-config");
    boolean delete = parser.options().containsKey("delete");
    boolean indexes = parser.options().containsKey("indexes");
    int count = boolCount(get, index, remove, getConfig, create, setConfig, delete, indexes);
    if (count != 1) {
        throw new ShellException("Supply one of: -g, -i, -r, --get-config, --set-config, --create, --delete, --indexes");
    }
    if (get) {
        String commandToRun = parser.options().get("c");
        Collection<String> commandsToRun = new ArrayList<String>();
        boolean specialCommand = false;
        if (doCd || doLs) {
            specialCommand = true;
            if (doCd) {
                commandsToRun.add("cd -a $i");
            } else if (doLs) {
                commandsToRun.add("ls $i");
            }
        } else if (commandToRun != null) {
            commandsToRun.addAll(Arrays.asList(commandToRun.split(Pattern.quote("&&"))));
        }
        if (getIndex(getIndexName(parser), getEntityType(parser), out) == null) {
            return Continuation.INPUT_COMPLETE;
        }
        IndexHits<PropertyContainer> result = query ? query(parser, out) : get(parser, out);
        try {
            for (PropertyContainer hit : result) {
                printAndInterpretTemplateLines(commandsToRun, false, !specialCommand, NodeOrRelationship.wrap(hit), getServer(), session, out);
            }
        } finally {
            result.close();
        }
    } else if (index) {
        index(parser, session, out);
    } else if (remove) {
        if (getIndex(getIndexName(parser), Node.class, out) == null) {
            return null;
        }
        remove(parser, session, out);
    } else if (getConfig) {
        displayConfig(parser, out);
    } else if (create) {
        createIndex(parser, out);
    } else if (setConfig) {
        setConfig(parser, out);
    } else if (delete) {
        deleteIndex(parser, out);
    }
    if (indexes) {
        listIndexes(out);
    }
    return Continuation.INPUT_COMPLETE;
}

Example 7 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Rm method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws Exception {
    NodeOrRelationship thing = getCurrent(session);
    boolean forProperty = parser.options().containsKey("p");
    boolean forLabel = parser.options().containsKey("l");
    if (forProperty || !forLabel) {
        // Property
        if (parser.arguments().isEmpty()) {
            throw new ShellException("Must supply the property key or label name to " + "remove, like: rm title");
        }
        String key = parser.arguments().get(0);
        if (thing.removeProperty(key) == null) {
            out.println("Property '" + key + "' not found");
        }
    } else {
        Node node = thing.asNode();
        for (Label label : parseLabels(parser)) {
            node.removeLabel(label);
        }
    }
    return Continuation.INPUT_COMPLETE;
}

Example 8 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Dbinfo method getKernel.

private Kernel getKernel() throws ShellException {
    GraphDatabaseAPI graphDb = getServer().getDb();
    Kernel kernel = null;
    if (graphDb instanceof GraphDatabaseAPI) {
        try {
            kernel = graphDb.getDependencyResolver().resolveDependency(JmxKernelExtension.class).getSingleManagementBean(Kernel.class);
        } catch (Exception e) {
        // Ignore - the null check does the work
        }
    }
    if (kernel == null) {
        throw new ShellException(getName() + " is not available for this graph database.");
    }
    return kernel;
}

Example 9 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class Dbinfo method exec.

@Override
protected Continuation exec(AppCommandParser parser, Session session, Output out) throws Exception {
    Kernel kernel = getKernel();
    boolean list = parser.options().containsKey("l"), get = parser.options().containsKey("g");
    if ((list && get) || (!list && !get)) {
        StringBuilder usage = new StringBuilder();
        getUsage(usage);
        usage.append(".\n");
        out.print(usage.toString());
        return Continuation.INPUT_COMPLETE;
    }
    MBeanServer mbeans = getPlatformMBeanServer();
    String bean = null;
    String[] attributes = null;
    if (list) {
        bean = parser.options().get("l");
    } else if (get) {
        bean = parser.options().get("g");
        attributes = parser.arguments().toArray(new String[parser.arguments().size()]);
    }
    if (// list beans
    bean == null) {
        StringBuilder result = new StringBuilder();
        availableBeans(mbeans, kernel, result);
        out.print(result.toString());
        return Continuation.INPUT_COMPLETE;
    }
    ObjectName mbean;
    {
        mbean = kernel.getMBeanQuery();
        Hashtable<String, String> properties = new Hashtable<String, String>(mbean.getKeyPropertyList());
        properties.put("name", bean);
        try {
            Iterator<ObjectName> names = mbeans.queryNames(new ObjectName(mbean.getDomain(), properties), null).iterator();
            if (names.hasNext()) {
                mbean = names.next();
                if (names.hasNext()) {
                    mbean = null;
                }
            } else {
                mbean = null;
            }
        } catch (Exception e) {
            mbean = null;
        }
    }
    if (mbean == null) {
        throw new ShellException("No such management bean \"" + bean + "\".");
    }
    if (// list attributes
    attributes == null) {
        for (MBeanAttributeInfo attr : mbeans.getMBeanInfo(mbean).getAttributes()) {
            out.println(attr.getName() + " - " + attr.getDescription());
        }
    } else {
        if (// specify all attributes
        attributes.length == 0) {
            MBeanAttributeInfo[] allAttributes = mbeans.getMBeanInfo(mbean).getAttributes();
            attributes = new String[allAttributes.length];
            for (int i = 0; i < allAttributes.length; i++) {
                attributes[i] = allAttributes[i].getName();
            }
        }
        JSONObject json = new JSONObject();
        for (Object value : mbeans.getAttributes(mbean, attributes)) {
            printAttribute(json, value);
        }
        out.println(json.toString(2));
    }
    return Continuation.INPUT_COMPLETE;
}

Example 10 with ShellException

use of org.neo4j.shell.ShellException in project neo4j by neo4j.

the class ShellTabCompleter method complete.

public int complete(String buffer, int cursor, List candidates) {
    if (buffer == null || buffer.length() == 0) {
        return cursor;
    }
    try {
        if (buffer.contains(" ")) {
            TabCompletion completion = client.getServer().tabComplete(client.getId(), buffer.trim());
            cursor = completion.getCursor();
            //noinspection unchecked
            candidates.addAll(completion.getCandidates());
        } else {
            // Complete the app name
            return getAppNameCompleter().complete(buffer, cursor, candidates);
        }
    } catch (RemoteException e) {
        // TODO Throw something?
        e.printStackTrace();
    } catch (ShellException e) {
        // TODO Throw something?
        e.printStackTrace();
    }
    return cursor;
}