Examples with ErrorBuffer org.structr.common.error.ErrorBuffer used on opensource projects

Example 1 with ErrorBuffer

use of org.structr.common.error.ErrorBuffer in project structr by structr.

the class TransactionCommand method commitTx.

public void commitTx(final boolean doValidation) throws FrameworkException {
    final TransactionReference tx = transactions.get();
    if (tx != null && tx.isToplevel()) {
        final ModificationQueue modificationQueue = queues.get();
        final ErrorBuffer errorBuffer = buffers.get();
        // 0.5: let transaction listeners examine (and prevent?) commit
        for (final StructrTransactionListener listener : listeners) {
            listener.beforeCommit(securityContext, modificationQueue.getModificationEvents(), tx.getSource());
        }
        // 1. do inner callbacks (may cause transaction to fail)
        if (!modificationQueue.doInnerCallbacks(securityContext, errorBuffer)) {
            tx.failure();
            throw new FrameworkException(422, "Unable to commit transaction, validation failed", errorBuffer);
        }
        // 2. fetch all types of entities modified in this tx
        Set<String> synchronizationKeys = modificationQueue.getSynchronizationKeys();
        // 3. acquire semaphores for each modified type
        try {
            semaphore.acquire(synchronizationKeys);
        } catch (InterruptedException iex) {
            return;
        }
        // do validation under the protection of the semaphores for each type
        if (doValidation && !modificationQueue.doValidation(securityContext, errorBuffer, doValidation)) {
            tx.failure();
            // create error
            throw new FrameworkException(422, "Unable to commit transaction, validation failed", errorBuffer);
        }
        // finally: execute validatable post-transaction action
        if (!modificationQueue.doPostProcessing(securityContext, errorBuffer)) {
            tx.failure();
            throw new FrameworkException(422, "Unable to commit transaction, transaction post processing failed", errorBuffer);
        }
        try {
            tx.success();
        } catch (Throwable t) {
            logger.error("Unable to commit transaction", t);
        }
    }
}

Example 2 with ErrorBuffer

use of org.structr.common.error.ErrorBuffer in project structr by structr.

the class TransactionCommand method beginTx.

public TransactionCommand beginTx() throws FrameworkException {
    final DatabaseService graphDb = (DatabaseService) arguments.get("graphDb");
    TransactionReference tx = transactions.get();
    if (graphDb != null) {
        if (tx == null) {
            try {
                // start new transaction
                tx = new TransactionReference(graphDb.beginTx());
            } catch (NetworkException nex) {
                throw new DatabaseServiceNetworkException(503, nex.getMessage());
            }
            queues.set(new ModificationQueue());
            buffers.set(new ErrorBuffer());
            transactions.set(tx);
            currentCommand.set(this);
        }
        // increase depth
        tx.begin();
    } else {
        throw new DatabaseServiceNotAvailableException(503, "Database service is not available, ensure the database is running and that there is a working network connection to it");
    }
    return this;
}

Example 3 with ErrorBuffer

use of org.structr.common.error.ErrorBuffer in project structr by structr.

the class Services method command.

/**
 * Creates and returns a command of the given <code>type</code>. If a command is
 * found, the corresponding service will be discovered and activated.
 *
 * @param <T>
 * @param securityContext
 * @param commandType the runtime type of the desired command
 * @return the command
 */
public <T extends Command> T command(final SecurityContext securityContext, final Class<T> commandType) {
    try {
        final T command = commandType.newInstance();
        final Class serviceClass = command.getServiceClass();
        // inject security context first
        command.setArgument("securityContext", securityContext);
        if ((serviceClass != null) && configuredServiceClasses.contains(serviceClass.getSimpleName())) {
            // search for already running service..
            Service service = serviceCache.get(serviceClass);
            if (service == null) {
                // start service
                startService(serviceClass);
                // reload service
                service = serviceCache.get(serviceClass);
                if (serviceClass.equals(NodeService.class)) {
                    logger.debug("(Re-)Started NodeService, (re-)compiling dynamic schema");
                    SchemaService.reloadSchema(new ErrorBuffer(), null);
                }
            }
            if (service != null) {
                logger.debug("Initializing command ", commandType.getName());
                service.injectArguments(command);
            }
        }
        command.initialized();
        return command;
    } catch (Throwable t) {
        logger.error("Exception while creating command {}", commandType.getName());
    }
    return null;
}

Example 4 with ErrorBuffer

use of org.structr.common.error.ErrorBuffer in project structr by structr.

the class SchemaHelper method getSourceGenerator.

// ----- private methods -----
private static PropertySourceGenerator getSourceGenerator(final ErrorBuffer errorBuffer, final String className, final PropertyDefinition propertyDefinition) throws FrameworkException {
    final String propertyName = propertyDefinition.getPropertyName();
    final Type propertyType = propertyDefinition.getPropertyType();
    final Class<? extends PropertySourceGenerator> parserClass = parserMap.get(propertyType);
    try {
        return parserClass.getConstructor(ErrorBuffer.class, String.class, PropertyDefinition.class).newInstance(errorBuffer, className, propertyDefinition);
    } catch (Throwable t) {
        logger.warn("", t);
    }
    errorBuffer.add(new InvalidPropertySchemaToken(SchemaProperty.class.getSimpleName(), propertyName, propertyName, "invalid_property_definition", "Unknow value type " + source + ", options are " + Arrays.asList(Type.values()) + "."));
    throw new FrameworkException(422, "Invalid property definition for property " + propertyDefinition.getPropertyName(), errorBuffer);
}

Example 5 with ErrorBuffer

use of org.structr.common.error.ErrorBuffer in project structr by structr.

the class LogResource method doPost.

@Override
public RestMethodResult doPost(Map<String, Object> propertySet) throws FrameworkException {
    final HttpServletRequest request = securityContext.getRequest();
    if (request != null) {
        // initialize?!
        if ("true".equals(request.getParameter("initialize"))) {
            final String filesPath = Settings.FilesPath.getValue();
            try (final Context context = new Context(1000)) {
                collectFilesAndStore(context, new File(filesPath + SUBJECTS).toPath(), 0);
            } catch (FrameworkException fex) {
                logger.warn("", fex);
            }
            return new RestMethodResult(200);
        }
        final String subjectId = (String) propertySet.get(subjectProperty.jsonName());
        final String objectId = (String) propertySet.get(objectProperty.jsonName());
        final String action = (String) propertySet.get(actionProperty.jsonName());
        final String message = (String) propertySet.get(messageProperty.jsonName());
        if (subjectId != null && objectId != null && action != null) {
            final App app = StructrApp.getInstance(securityContext);
            LogEvent event = null;
            try (final Tx tx = app.tx()) {
                final PropertyMap properties = new PropertyMap();
                properties.put(LogEvent.timestampProperty, new Date());
                properties.put(LogEvent.actionProperty, action);
                properties.put(LogEvent.subjectProperty, subjectId);
                properties.put(LogEvent.objectProperty, objectId);
                properties.put(LogEvent.messageProperty, message);
                properties.put(LogEvent.visibleToPublicUsers, true);
                properties.put(LogEvent.visibleToAuthenticatedUsers, true);
                event = app.create(LogEvent.class, properties);
                tx.success();
            }
            final RestMethodResult result = new RestMethodResult(201);
            result.addContent(event);
            return result;
        } else {
            final ErrorBuffer errorBuffer = new ErrorBuffer();
            if (StringUtils.isEmpty(subjectId)) {
                errorBuffer.add(new EmptyPropertyToken("LogFile", subjectProperty));
            }
            if (StringUtils.isEmpty(objectId)) {
                errorBuffer.add(new EmptyPropertyToken("LogFile", objectProperty));
            }
            if (StringUtils.isEmpty(action)) {
                errorBuffer.add(new EmptyPropertyToken("LogFile", actionProperty));
            }
            throw new FrameworkException(422, "Log entry must consist of at least subjectId, objectId and action", errorBuffer);
        }
    }
    // no request object, this is fatal
    throw new FrameworkException(500, "No request object present, aborting.");
}