Examples of org.exist.source.DBSource

org.exist.source.DBSource
Source implementation that reads from a binary resource stored in the database. @author wolf

            } else {
                final XmldbURI pathUri = XmldbURI.create(xqueryresource);
                resource = broker.getXMLResource(pathUri, Lock.READ_LOCK);


                if(resource != null) {
                    source = new DBSource(broker, (BinaryDocument)resource, true);
                }
            }


            if(source != null) {

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          try {
        final XmldbURI pathUri = XmldbURI.create(scriptURI);
        
        resource = broker.getXMLResource(pathUri, Lock.READ_LOCK);
        if (resource != null)
          {return new DBSource(broker, (BinaryDocument)resource, true);}
        
          } catch (final PermissionDeniedException e) {
            //XXX: log
        e.printStackTrace();
      } finally {

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            resource = broker.getXMLResource(pathUri, Lock.READ_LOCK);


            if(resource != null) {
                LOG.info("Resource " + xqueryResourcePath + " exists.");
                source = new DBSource(broker, (BinaryDocument)resource, true);
            } else {
                LOG.info("Resource " + xqueryResourcePath + " does not exist.");
                LOG.info("pathURI " + pathUri );
                return true;
            }

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                if(metadata.getMimeType().equals(XQUERY_MIME_TYPE)){
            
                    //compile the query
                    final XQuery xquery = broker.getXQueryService();
                    final XQueryContext context = xquery.newContext(AccessContext.REST);
                    final Source source = new DBSource(broker, (BinaryDocument)document, true);


                    //set the module load path for any module imports that are relative
                    context.setModuleLoadPath(XmldbURI.EMBEDDED_SERVER_URI_PREFIX + ((XmldbURI)source.getKey()).removeLastSegment());
                    
                    return broker.getXQueryService().compile(context, source);
                } else {
                    throw new RestXqServiceCompilationException("Invalid mimetype '" +  metadata.getMimeType() + "' for XQuery: "  + document.getURI().toString().toString());
                }

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            if(!xquery.getPermissions().validate(user, Permission.READ | Permission.EXECUTE)) {
                throw new PermissionDeniedException("Insufficient privileges to access resource");
            }
            
            source = new DBSource(broker, xquery, true);
            compiled = compile(broker, source, parameters);
            queryResult = doQuery(broker, compiled, nodes, parameters);
            if(queryResult == null) {
                return ret;
            }

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        //if setUid or setGid, become Effective User
        EffectiveSubject effectiveSubject = null;
        final Source src = expression.getContext().getSource();
        if(src instanceof DBSource) {
            final DBSource dbSrc = (DBSource)src;
            final Permission perm = dbSrc.getPermissions();


            if(perm.isSetUid()) {
                if(perm.isSetGid()) {
                    //setUid and SetGid
                    effectiveSubject = new EffectiveSubject(perm.getOwner(), perm.getGroup());

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                        {throw new XPathException(this, "source for module " + location + " not found in database");}
                    if (sourceDoc.getResourceType() != DocumentImpl.BINARY_FILE ||
                            !"application/xquery".equals(sourceDoc.getMetadata().getMimeType()))
                        {throw new XPathException(this, "source for module " + location + " is not an XQuery or " +
                        "declares a wrong mime-type");}
                    querySource = new DBSource(context.getBroker(), (BinaryDocument) sourceDoc, true);
                } catch (final PermissionDeniedException e) {
                    throw new XPathException(this, "permission denied to read module source from " + location);
                } finally {
                    if(sourceDoc != null)
                        {sourceDoc.getUpdateLock().release(Lock.READ_LOCK);}

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    private void executeXQuery(final DBBroker broker, final DocumentImpl resource,
            final HttpServletRequest request, final HttpServletResponse response,
            final Properties outputProperties, final String servletPath, final String pathInfo)
            throws XPathException, BadRequestException, PermissionDeniedException {


        final Source source = new DBSource(broker, (BinaryDocument) resource, true);
        final XQuery xquery = broker.getXQueryService();
        final XQueryPool pool = xquery.getXQueryPool();
        XQueryContext context;


        CompiledXQuery compiled = pool.borrowCompiledXQuery(broker, source);

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                resource = broker.getXMLResource(pathUri, Lock.READ_LOCK);


                if(resource != null) {
                    LOG.info("Resource [" + xqueryResourcePath + "] exists.");
                    source = new DBSource(broker, (BinaryDocument)resource, true);
                } else {
                    LOG.error("Resource [" + xqueryResourcePath + "] does not exist.");
                    return;
                }

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        } else {
            // process the xpointer or the stored XQuery
            try {
                Source source;
                if (xpointer == null)
                    {source = new DBSource(serializer.broker, (BinaryDocument) doc, true);}
                else {
                    xpointer = checkNamespaces(xpointer);
                    source = new StringSource(xpointer);
                }
                final XQuery xquery = serializer.broker.getXQueryService();

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Related Classes of org.exist.source.DBSource

org.exist.dom.DocumentImpl

org.exist.extensions.exquery.restxq.impl.XQueryCompiler

org.exist.http.AuditTrailSessionListener

org.exist.http.RESTServer

org.exist.http.urlrewrite.XQueryURLRewrite

org.exist.scheduler.UserXQueryJob

org.exist.security.internal.aider.UnixStylePermissionAider

org.exist.security.internal.SMEvents

org.exist.security.realm.openid.OpenIDUtility

org.exist.storage.serializers.XIncludeFilter

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