Examples with EXistException org.exist.EXistException used on opensource projects

Example 76 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class Insert method eval.

/* (non-Javadoc)
     * @see org.exist.xquery.AbstractExpression#eval(org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
     */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    Sequence contentSeq = value.eval(contextSequence);
    if (contentSeq.isEmpty()) {
        throw new XPathException(this, Messages.getMessage(Error.UPDATE_EMPTY_CONTENT));
    }
    final Sequence inSeq = select.eval(contextSequence);
    /* If we try and Insert a node at an invalid location,
         * trap the error in a context variable,
         * this is then accessible from xquery via. the context extension module - deliriumsky
         * TODO: This trapping could be expanded further - basically where XPathException is thrown from thiss class
         * TODO: Maybe we could provide more detailed messages in the trap, e.g. couldnt insert node `xyz` into `abc` becuase... this would be nicer for the end user of the xquery application 
         */
    if (!Type.subTypeOf(inSeq.getItemType(), Type.NODE)) {
        // Indicate the failure to perform this update by adding it to the sequence in the context variable XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR
        ValueSequence prevUpdateErrors = null;
        final XPathException xpe = new XPathException(this, Messages.getMessage(Error.UPDATE_SELECT_TYPE));
        final Object ctxVarObj = context.getAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR);
        if (ctxVarObj == null) {
            prevUpdateErrors = new ValueSequence();
        } else {
            prevUpdateErrors = (ValueSequence) XPathUtil.javaObjectToXPath(ctxVarObj, context);
        }
        prevUpdateErrors.add(new StringValue(xpe.getMessage()));
        context.setAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR, prevUpdateErrors);
        if (!inSeq.isEmpty()) {
            // TODO: should we trap this instead of throwing an exception - deliriumsky?
            throw xpe;
        }
    }
    if (!inSeq.isEmpty()) {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Found: {} nodes", inSeq.getItemCount());
        }
        context.pushInScopeNamespaces();
        contentSeq = deepCopy(contentSeq);
        // start a transaction
        try (final Txn transaction = getTransaction()) {
            final StoredNode[] ql = selectAndLock(transaction, inSeq);
            final NotificationService notifier = context.getBroker().getBrokerPool().getNotificationService();
            final NodeList contentList = seq2nodeList(contentSeq);
            for (final StoredNode node : ql) {
                final DocumentImpl doc = node.getOwnerDocument();
                if (!doc.getPermissions().validate(context.getSubject(), Permission.WRITE)) {
                    throw new PermissionDeniedException("User '" + context.getSubject().getName() + "' does not have permission to write to the document '" + doc.getDocumentURI() + "'!");
                }
                // update the document
                if (mode == INSERT_APPEND) {
                    node.appendChildren(transaction, contentList, -1);
                } else {
                    final NodeImpl parent = (NodeImpl) getParent(node);
                    switch(mode) {
                        case INSERT_BEFORE:
                            parent.insertBefore(transaction, contentList, node);
                            break;
                        case INSERT_AFTER:
                            parent.insertAfter(transaction, contentList, node);
                            break;
                    }
                }
                doc.setLastModified(System.currentTimeMillis());
                modifiedDocuments.add(doc);
                context.getBroker().storeXMLResource(transaction, doc);
                notifier.notifyUpdate(doc, UpdateListener.UPDATE);
            }
            finishTriggers(transaction);
            // commit the transaction
            transaction.commit();
        } catch (final PermissionDeniedException | EXistException | LockException | TriggerException e) {
            throw new XPathException(this, e.getMessage(), e);
        } finally {
            unlockDocuments();
            context.popInScopeNamespaces();
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", Sequence.EMPTY_SEQUENCE);
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 77 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class Update method eval.

/* (non-Javadoc)
     * @see org.exist.xquery.AbstractExpression#eval(org.exist.xquery.value.Sequence, org.exist.xquery.value.Item)
     */
public Sequence eval(Sequence contextSequence, Item contextItem) throws XPathException {
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().start(this);
        context.getProfiler().message(this, Profiler.DEPENDENCIES, "DEPENDENCIES", Dependency.getDependenciesName(this.getDependencies()));
        if (contextSequence != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT SEQUENCE", contextSequence);
        }
        if (contextItem != null) {
            context.getProfiler().message(this, Profiler.START_SEQUENCES, "CONTEXT ITEM", contextItem.toSequence());
        }
    }
    if (contextItem != null) {
        contextSequence = contextItem.toSequence();
    }
    final Sequence contentSeq = value.eval(contextSequence);
    if (contentSeq.isEmpty()) {
        throw new XPathException(this, Messages.getMessage(Error.UPDATE_EMPTY_CONTENT));
    }
    final Sequence inSeq = select.eval(contextSequence);
    /* If we try and Update a node at an invalid location,
         * trap the error in a context variable,
         * this is then accessible from xquery via. the context extension module - deliriumsky
         * TODO: This trapping could be expanded further - basically where XPathException is thrown from thiss class
         * TODO: Maybe we could provide more detailed messages in the trap, e.g. couldnt update node `xyz` into `abc` becuase... this would be nicer for the end user of the xquery application
         */
    if (!Type.subTypeOf(inSeq.getItemType(), Type.NODE)) {
        // Indicate the failure to perform this update by adding it to the sequence in the context variable XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR
        ValueSequence prevUpdateErrors = null;
        final XPathException xpe = new XPathException(this, Messages.getMessage(Error.UPDATE_SELECT_TYPE));
        final Object ctxVarObj = context.getAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR);
        if (ctxVarObj == null) {
            prevUpdateErrors = new ValueSequence();
        } else {
            prevUpdateErrors = (ValueSequence) XPathUtil.javaObjectToXPath(ctxVarObj, context);
        }
        prevUpdateErrors.add(new StringValue(xpe.getMessage()));
        context.setAttribute(XQueryContext.XQUERY_CONTEXTVAR_XQUERY_UPDATE_ERROR, prevUpdateErrors);
        if (!inSeq.isEmpty()) {
            // TODO: should we trap this instead of throwing an exception - deliriumsky?
            throw xpe;
        }
    }
    if (!inSeq.isEmpty()) {
        context.pushInScopeNamespaces();
        // start a transaction
        try (final Txn transaction = getTransaction()) {
            final NotificationService notifier = context.getBroker().getBrokerPool().getNotificationService();
            final StoredNode[] ql = selectAndLock(transaction, inSeq);
            for (final StoredNode node : ql) {
                final DocumentImpl doc = node.getOwnerDocument();
                if (!doc.getPermissions().validate(context.getSubject(), Permission.WRITE)) {
                    throw new XPathException(this, "User '" + context.getSubject().getName() + "' does not have permission to write to the document '" + doc.getDocumentURI() + "'!");
                }
                // update the document
                switch(node.getNodeType()) {
                    case Node.ELEMENT_NODE:
                        final NodeListImpl content = new NodeListImpl();
                        for (final SequenceIterator j = contentSeq.iterate(); j.hasNext(); ) {
                            final Item next = j.nextItem();
                            if (Type.subTypeOf(next.getType(), Type.NODE)) {
                                content.add(((NodeValue) next).getNode());
                            } else {
                                final TextImpl text = new TextImpl(next.getStringValue());
                                content.add(text);
                            }
                        }
                        ((ElementImpl) node).update(transaction, content);
                        break;
                    case Node.TEXT_NODE:
                        final ElementImpl textParent = (ElementImpl) node.getParentNode();
                        final TextImpl text = new TextImpl(contentSeq.getStringValue());
                        text.setOwnerDocument(doc);
                        textParent.updateChild(transaction, node, text);
                        break;
                    case Node.ATTRIBUTE_NODE:
                        final ElementImpl attrParent = (ElementImpl) ((Attr) node).getOwnerElement();
                        if (attrParent == null) {
                            LOG.warn("parent node not found for {}", node.getNodeId());
                            break;
                        }
                        final AttrImpl attr = (AttrImpl) node;
                        final AttrImpl attribute = new AttrImpl(attr.getQName(), contentSeq.getStringValue(), context.getBroker().getBrokerPool().getSymbols());
                        attribute.setOwnerDocument(doc);
                        attrParent.updateChild(transaction, node, attribute);
                        break;
                    default:
                        throw new XPathException(this, "unsupported node-type");
                }
                doc.setLastModified(System.currentTimeMillis());
                modifiedDocuments.add(doc);
                context.getBroker().storeXMLResource(transaction, doc);
                notifier.notifyUpdate(doc, UpdateListener.UPDATE);
            }
            finishTriggers(transaction);
            // commit the transaction
            transaction.commit();
        } catch (final LockException | EXistException | TriggerException e) {
            throw new XPathException(this, e.getMessage(), e);
        } finally {
            unlockDocuments();
            context.popInScopeNamespaces();
        }
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", Sequence.EMPTY_SEQUENCE);
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 78 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class BinaryDocumentTest method overwriteCollection.

@Test
public void overwriteCollection() throws EXistException, PermissionDeniedException, IOException, SAXException, LockException {
    final XmldbURI testCollectionUri = XmldbURI.create("/db/overwrite-collection-test");
    final XmldbURI thingUri = testCollectionUri.append("thing");
    final BrokerPool pool = existEmbeddedServer.getBrokerPool();
    try (final DBBroker broker = pool.get(Optional.of(pool.getSecurityManager().getSystemSubject()));
        final Txn transaction = pool.getTransactionManager().beginTransaction()) {
        // create a collection
        final Collection thingCollection = broker.getOrCreateCollection(transaction, thingUri);
        broker.saveCollection(transaction, thingCollection);
        // attempt to create a binary document with the same uri as the thingCollection (should fail)
        final Collection testCollection = broker.getCollection(testCollectionUri);
        try {
            broker.storeDocument(transaction, thingUri.lastSegment(), new StringInputSource("binary-file".getBytes(UTF_8)), MimeType.BINARY_TYPE, testCollection);
            fail("Should not have been able to overwrite Collection with Binary Document");
        } catch (final EXistException e) {
            assertEquals("The collection '" + testCollectionUri.getRawCollectionPath() + "' already has a sub-collection named '" + thingUri.lastSegment().toString() + "', you cannot create a Document with the same name as an existing collection.", e.getMessage());
        }
    }
}

Example 79 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class BrokerPoolsTest method shutdownConcurrent.

@Test
public void shutdownConcurrent() throws InterruptedException, ExecutionException, EXistException, DatabaseConfigurationException, IOException {
    final int testThreads = 5;
    final CountDownLatch shutdownLatch = new CountDownLatch(1);
    final CountDownLatch acquiredLatch = new CountDownLatch(testThreads);
    final List<Future<Exception>> shutdownTasks = new ArrayList<>();
    final ExecutorService executorService = Executors.newFixedThreadPool(testThreads);
    for (int i = 0; i < testThreads; i++) {
        final Path dataDir = temporaryFolder.newFolder("exist" + i).toPath().normalize().toAbsolutePath();
        // load config from classpath and override data and journal dir
        final Configuration configuration = new Configuration("conf.xml");
        configuration.setProperty(BrokerPool.PROPERTY_DATA_DIR, dataDir);
        configuration.setProperty(Journal.PROPERTY_RECOVERY_JOURNAL_DIR, dataDir);
        BrokerPool.configure("instance" + i, 0, 1, configuration);
        shutdownTasks.add(executorService.submit(new BrokerPoolShutdownTask(acquiredLatch, shutdownLatch)));
    }
    // wait for all shutdown threads to be acquired
    acquiredLatch.await();
    shutdownLatch.countDown();
    executorService.shutdown();
    assertTrue(executorService.awaitTermination(8, TimeUnit.SECONDS));
    for (final Future<Exception> shutdownTask : shutdownTasks) {
        assertNull(shutdownTask.get());
    }
}

Example 80 with EXistException

use of org.exist.EXistException in project exist by eXist-db.

the class PropertyGet method getPropertyString.

protected static StringBuilder getPropertyString(Variable variable, XQueryContext context) {
    Sequence value = variable.getValue();
    Database db = context.getDatabase();
    try (final DBBroker broker = db.getBroker()) {
        Serializer serializer = broker.getSerializer();
        serializer.reset();
        try {
            StringBuilder property = new StringBuilder();
            if (value.hasOne()) {
                String strVal = getPropertyValue(value.itemAt(0), serializer);
                String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "node" : Type.getTypeName(value.getItemType());
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"");
                property.append(type);
                property.append("\" size=\"");
                property.append(strVal.length());
                property.append("\" encoding=\"none\">");
                property.append(strVal);
                property.append("</property>");
            } else {
                property.append("<property name=\"");
                property.append(variable.getQName().toString());
                property.append("\" fullname=\"");
                property.append(variable.getQName().toString());
                property.append("\" type=\"array\" children=\"true\" numchildren=\"");
                property.append(value.getItemCount());
                property.append("\">");
                int idx = 0;
                for (SequenceIterator si = value.iterate(); si.hasNext(); idx++) {
                    Item item = si.nextItem();
                    String strVal = getPropertyValue(item, serializer);
                    String type = Type.subTypeOf(value.getItemType(), Type.NODE) ? "xs:string" : Type.getTypeName(value.getItemType());
                    property.append("<property name=\"");
                    property.append(idx);
                    property.append("\" type=\"");
                    property.append(type);
                    property.append("\" size=\"");
                    property.append(strVal.length());
                    property.append("\" encoding=\"none\">");
                    property.append(strVal);
                    property.append("</property>");
                }
                property.append("</property>");
            }
            return property;
        } catch (SAXException e) {
            e.printStackTrace();
        } catch (XPathException e) {
            e.printStackTrace();
        }
    } catch (EXistException e) {
        e.printStackTrace();
    }
    return null;
}