Examples with DocumentImpl org.exist.dom.persistent.DocumentImpl used on opensource projects

Example 26 with DocumentImpl

use of org.exist.dom.persistent.DocumentImpl in project exist by eXist-db.

the class ExistDocument method initMetadata.

/**
 * Initialize Collection, authenticate() is required first
 */
@Override
public void initMetadata() {
    if (subject == null) {
        LOG.error("User not initialized yet");
        return;
    }
    // check if initialization is required
    if (isInitialized) {
        LOG.debug("Already initialized");
        return;
    }
    try (final DBBroker broker = brokerPool.get(Optional.of(subject))) {
        // If it is not a collection, check if it is a document
        try (final LockedDocument lockedDocument = broker.getXMLResource(xmldbUri, LockMode.READ_LOCK)) {
            final DocumentImpl document = lockedDocument.getDocument();
            if (document.getResourceType() == DocumentImpl.XML_FILE) {
                isXmlDocument = true;
            }
            // Get meta data
            creationTime = document.getCreated();
            lastModified = document.getLastModified();
            mimeType = document.getMimeType();
            // Retrieve perssions
            permissions = document.getPermissions();
            readAllowed = permissions.validate(subject, Permission.READ);
            writeAllowed = permissions.validate(subject, Permission.WRITE);
            executeAllowed = permissions.validate(subject, Permission.EXECUTE);
            ownerUser = permissions.getOwner().getUsername();
            ownerGroup = permissions.getGroup().getName();
            // Get (estimated) file size
            contentLength = document.getContentLength();
        }
    } catch (final EXistException | PermissionDeniedException e) {
        LOG.error(e);
    }
    isInitialized = true;
}

Example 27 with DocumentImpl

use of org.exist.dom.persistent.DocumentImpl in project exist by eXist-db.

the class ExistDocument method delete.

/**
 * Remove document from database.
 */
void delete() {
    if (LOG.isDebugEnabled()) {
        LOG.debug("Deleting {}", xmldbUri);
    }
    // Need to split path into collection and document name
    final XmldbURI collName = xmldbUri.removeLastSegment();
    final XmldbURI docName = xmldbUri.lastSegment();
    final TransactionManager txnManager = brokerPool.getTransactionManager();
    try (final DBBroker broker = brokerPool.get(Optional.ofNullable(subject));
        final Txn txn = txnManager.beginTransaction();
        final Collection collection = broker.openCollection(collName, LockMode.WRITE_LOCK)) {
        // Open collection if possible, else abort
        if (collection == null) {
            LOG.debug("Collection does not exist");
            txnManager.abort(txn);
            return;
        }
        // Open document if possible, else abort
        try (final LockedDocument lockedResource = collection.getDocumentWithLock(broker, docName, LockMode.WRITE_LOCK)) {
            if (lockedResource == null) {
                LOG.debug("No resource found for path: {}", xmldbUri);
                txnManager.abort(txn);
                return;
            }
            final DocumentImpl resource = lockedResource.getDocument();
            if (resource.getResourceType() == DocumentImpl.BINARY_FILE) {
                collection.removeBinaryResource(txn, broker, resource.getFileURI());
            } else {
                collection.removeXMLResource(txn, broker, resource.getFileURI());
            }
            // NOTE: early release of Collection lock inline with Asymmetrical Locking scheme
            collection.close();
            // Commit change
            txnManager.commit(txn);
            if (LOG.isDebugEnabled()) {
                LOG.debug("Document deleted sucessfully");
            }
        }
    } catch (final LockException e) {
        LOG.error("Resource is locked.", e);
    } catch (final EXistException | IOException | TriggerException | PermissionDeniedException e) {
        LOG.error(e);
    } finally {
        if (LOG.isDebugEnabled()) {
            LOG.debug("Finished delete");
        }
    }
}

Example 28 with DocumentImpl

use of org.exist.dom.persistent.DocumentImpl in project exist by eXist-db.

the class DocumentNameOrId method getResourceByAbsoluteId.

private Sequence getResourceByAbsoluteId(final IntegerValue ivAbsoluteId) throws XPathException, PermissionDeniedException, LockException, IOException {
    final BigInteger absoluteId = ivAbsoluteId.toJavaObject(BigInteger.class);
    final Tuple3<Integer, Integer, Byte> decoded = decodeAbsoluteResourceId(absoluteId);
    final DocumentImpl doc = context.getBroker().getResourceById(decoded._1, decoded._3, decoded._2);
    if (doc != null) {
        try (final ManagedDocumentLock docLock = context.getBroker().getBrokerPool().getLockManager().acquireDocumentReadLock(doc.getURI())) {
            if (doc instanceof BinaryDocument) {
                final BinaryDocument bin = (BinaryDocument) doc;
                final InputStream is = context.getBroker().getBinaryResource(bin);
                return Base64BinaryDocument.getInstance(context, is);
            } else {
                return new NodeProxy(doc);
            }
        }
    }
    return Sequence.EMPTY_SEQUENCE;
}

Example 29 with DocumentImpl

use of org.exist.dom.persistent.DocumentImpl in project exist by eXist-db.

the class FunDoctype method eval.

/* (non-Javadoc)
	 * @see org.exist.xquery.Expression#eval(org.exist.dom.persistent.DocumentSet, 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());
        }
    }
    final MutableDocumentSet docs = new DefaultDocumentSet();
    for (int i = 0; i < getArgumentCount(); i++) {
        final Sequence seq = getArgument(i).eval(contextSequence, contextItem);
        for (final SequenceIterator j = seq.iterate(); j.hasNext(); ) {
            final String next = j.nextItem().getStringValue();
            try {
                context.getBroker().getXMLResourcesByDoctype(next, docs);
            } catch (final PermissionDeniedException | LockException e) {
                LOG.error(e.getMessage(), e);
                throw new XPathException(this, e);
            }
        }
    }
    final NodeSet result = new ExtArrayNodeSet(1);
    for (final Iterator<DocumentImpl> i = docs.getDocumentIterator(); i.hasNext(); ) {
        result.add(new NodeProxy(i.next(), NodeId.DOCUMENT_NODE));
    }
    if (context.getProfiler().isEnabled()) {
        context.getProfiler().end(this, "", result);
    }
    return result;
}

Example 30 with DocumentImpl

use of org.exist.dom.persistent.DocumentImpl in project exist by eXist-db.

the class Modification method finishTriggers.

protected void finishTriggers(Txn transaction) throws TriggerException {
    final Iterator<DocumentImpl> iterator = modifiedDocuments.getDocumentIterator();
    while (iterator.hasNext()) {
        final DocumentImpl doc = iterator.next();
        context.addModifiedDoc(doc);
        finishTrigger(transaction, doc);
    }
    triggers.clear();
}