Examples with MCRRestAPIError org.mycore.restapi.v1.errors.MCRRestAPIError used on opensource projects

Example 11 with MCRRestAPIError

use of org.mycore.restapi.v1.errors.MCRRestAPIError in project mycore by MyCoRe-Org.

the class MCRRestAPIObjectsHelper method listContents.

/**
 * lists derivate content (file listing)
 * @param info - the Jersey UriInfo Object
 * @param request - the HTTPServletRequest object
 * @param mcrObjID - the MyCoRe Object ID
 * @param mcrDerID - the MyCoRe Derivate ID
 * @param format - the output format ('xml'|'json')
 * @param path - the sub path of a directory inside the derivate
 * @param depth - the level of subdirectories to be returned
 * @return a Jersey Response object
 * @throws MCRRestAPIException
 */
public static Response listContents(UriInfo info, HttpServletRequest httpRequest, Request request, String mcrObjID, String mcrDerID, String format, String path, int depth) throws MCRRestAPIException {
    if (!format.equals(MCRRestAPIObjects.FORMAT_JSON) && !format.equals(MCRRestAPIObjects.FORMAT_XML)) {
        throw new MCRRestAPIException(Response.Status.BAD_REQUEST, new MCRRestAPIError(MCRRestAPIError.CODE_WRONG_PARAMETER, "The syntax of format parameter is wrong.", "Allowed values for format are 'json' or 'xml'."));
    }
    MCRObject mcrObj = retrieveMCRObject(mcrObjID);
    MCRDerivate derObj = retrieveMCRDerivate(mcrObj, mcrDerID);
    String authHeader = MCRJSONWebTokenUtil.createJWTAuthorizationHeader(MCRJSONWebTokenUtil.retrieveAuthenticationToken(httpRequest));
    try {
        MCRPath root = MCRPath.getPath(derObj.getId().toString(), "/");
        BasicFileAttributes readAttributes = Files.readAttributes(root, BasicFileAttributes.class);
        Date lastModified = new Date(readAttributes.lastModifiedTime().toMillis());
        ResponseBuilder responseBuilder = request.evaluatePreconditions(lastModified);
        if (responseBuilder != null) {
            return responseBuilder.header(HEADER_NAME_AUTHORIZATION, authHeader).build();
        }
        switch(format) {
            case MCRRestAPIObjects.FORMAT_XML:
                Document docOut = listDerivateContentAsXML(derObj, path, depth, info);
                try (StringWriter sw = new StringWriter()) {
                    XMLOutputter xout = new XMLOutputter(Format.getPrettyFormat());
                    xout.output(docOut, sw);
                    return response(sw.toString(), "application/xml", lastModified, authHeader);
                } catch (IOException e) {
                    throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, GENERAL_ERROR_MSG, e.getMessage()));
                }
            case MCRRestAPIObjects.FORMAT_JSON:
                if (MCRRestAPIObjects.FORMAT_JSON.equals(format)) {
                    String result = listDerivateContentAsJson(derObj, path, depth, info);
                    return response(result, "application/json", lastModified, authHeader);
                }
            default:
                throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Unexepected program flow termination.", "Please contact a developer!"));
        }
    } catch (IOException e) {
        throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Unexepected program flow termination.", e.getMessage()));
    }
}

Example 12 with MCRRestAPIError

use of org.mycore.restapi.v1.errors.MCRRestAPIError in project mycore by MyCoRe-Org.

the class MCRRestAPIObjectsHelper method showMCRDerivate.

public static Response showMCRDerivate(String pathParamMcrID, String pathParamDerID, UriInfo info, HttpServletRequest request) throws MCRRestAPIException {
    MCRObject mcrObj = retrieveMCRObject(pathParamMcrID);
    MCRDerivate derObj = retrieveMCRDerivate(mcrObj, pathParamDerID);
    try {
        Document doc = derObj.createXML();
        Document docContent = listDerivateContentAsXML(derObj, "/", -1, info);
        if (docContent != null && docContent.hasRootElement()) {
            doc.getRootElement().addContent(docContent.getRootElement().detach());
        }
        StringWriter sw = new StringWriter();
        XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat());
        outputter.output(doc, sw);
        String authHeader = MCRJSONWebTokenUtil.createJWTAuthorizationHeader(MCRJSONWebTokenUtil.retrieveAuthenticationToken(request));
        return Response.ok(sw.toString()).type("application/xml").header(HEADER_NAME_AUTHORIZATION, authHeader).build();
    } catch (IOException e) {
        throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, GENERAL_ERROR_MSG, e.getMessage()));
    }
// return MCRRestAPIError.create(Response.Status.INTERNAL_SERVER_ERROR, "Unexepected program flow termination.",
// "Please contact a developer!").createHttpResponse();
}

Example 13 with MCRRestAPIError

use of org.mycore.restapi.v1.errors.MCRRestAPIError in project mycore by MyCoRe-Org.

the class MCRRestAPIObjectsHelper method listDerivates.

/**
 * returns a list of derivate objects
 * @param info - the injected Jersey URIInfo object
 *
 * @param mcrObjID - the MyCoRe Object ID
 * @param format - the output format ('xml'|'json')
 * @param sort - the sort criteria
 *
 * @return a Jersey response object
 * @throws MCRRestAPIException
 *
 * @see org.mycore.restapi.v1.MCRRestAPIObjects#listDerivates(UriInfo, HttpServletRequest, String, String, String)
 */
public static Response listDerivates(UriInfo info, HttpServletRequest request, String mcrObjID, String format, String sort) throws MCRRestAPIException {
    List<MCRRestAPIError> errors = new ArrayList<>();
    MCRRestAPISortObject sortObj = null;
    try {
        sortObj = createSortObject(sort);
    } catch (MCRRestAPIException rae) {
        errors.addAll(rae.getErrors());
    }
    if (format.equals(MCRRestAPIObjects.FORMAT_JSON) || format.equals(MCRRestAPIObjects.FORMAT_XML)) {
    // ok
    } else {
        errors.add(new MCRRestAPIError(MCRRestAPIError.CODE_WRONG_PARAMETER, "The Parameter format is wrong.", "Allowed values for format are 'json' or 'xml'."));
    }
    if (errors.size() > 0) {
        throw new MCRRestAPIException(Status.BAD_REQUEST, errors);
    }
    // Parameters are checked - continue to retrieve data
    List<MCRObjectIDDate> objIdDates = retrieveMCRObject(mcrObjID).getStructure().getDerivates().stream().map(MCRMetaLinkID::getXLinkHrefID).filter(MCRMetadataManager::exists).map(id -> new MCRObjectIDDate() {

        long lastModified;

        {
            try {
                lastModified = MCRXMLMetadataManager.instance().getLastModified(id);
            } catch (IOException e) {
                lastModified = 0;
                LOGGER.error("Exception while getting last modified of {}", id, e);
            }
        }

        @Override
        public String getId() {
            return id.toString();
        }

        @Override
        public Date getLastModified() {
            return new Date(lastModified);
        }
    }).sorted(new MCRRestAPISortObjectComparator(sortObj)::compare).collect(Collectors.toList());
    String authHeader = MCRJSONWebTokenUtil.createJWTAuthorizationHeader(MCRJSONWebTokenUtil.retrieveAuthenticationToken(request));
    // output as XML
    if (MCRRestAPIObjects.FORMAT_XML.equals(format)) {
        Element eDerObjects = new Element("derobjects");
        Document docOut = new Document(eDerObjects);
        eDerObjects.setAttribute("numFound", Integer.toString(objIdDates.size()));
        for (MCRObjectIDDate oid : objIdDates) {
            Element eDerObject = new Element("derobject");
            eDerObject.setAttribute("ID", oid.getId());
            MCRDerivate der = MCRMetadataManager.retrieveMCRDerivate(MCRObjectID.getInstance(oid.getId()));
            String mcrID = der.getDerivate().getMetaLink().getXLinkHref();
            eDerObject.setAttribute("metadata", mcrID);
            if (der.getLabel() != null) {
                eDerObject.setAttribute("label", der.getLabel());
            }
            eDerObject.setAttribute("lastModified", SDF_UTC.format(oid.getLastModified()));
            eDerObject.setAttribute("href", info.getAbsolutePathBuilder().path(oid.getId()).build().toString());
            eDerObjects.addContent(eDerObject);
        }
        try {
            StringWriter sw = new StringWriter();
            XMLOutputter xout = new XMLOutputter(Format.getPrettyFormat());
            xout.output(docOut, sw);
            return Response.ok(sw.toString()).type("application/xml; charset=UTF-8").header(HEADER_NAME_AUTHORIZATION, authHeader).build();
        } catch (IOException e) {
            throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, GENERAL_ERROR_MSG, e.getMessage()));
        }
    }
    // output as JSON
    if (MCRRestAPIObjects.FORMAT_JSON.equals(format)) {
        StringWriter sw = new StringWriter();
        try {
            JsonWriter writer = new JsonWriter(sw);
            writer.setIndent("    ");
            writer.beginObject();
            writer.name("numFound").value(objIdDates.size());
            writer.name("mycoreobjects");
            writer.beginArray();
            for (MCRObjectIDDate oid : objIdDates) {
                writer.beginObject();
                writer.name("ID").value(oid.getId());
                MCRDerivate der = MCRMetadataManager.retrieveMCRDerivate(MCRObjectID.getInstance(oid.getId()));
                String mcrID = der.getDerivate().getMetaLink().getXLinkHref();
                writer.name("metadata").value(mcrID);
                if (der.getLabel() != null) {
                    writer.name("label").value(der.getLabel());
                }
                writer.name("lastModified").value(SDF_UTC.format(oid.getLastModified()));
                writer.name("href").value(info.getAbsolutePathBuilder().path(oid.getId()).build().toString());
                writer.endObject();
            }
            writer.endArray();
            writer.endObject();
            writer.close();
            return Response.ok(sw.toString()).type("application/json; charset=UTF-8").header(HEADER_NAME_AUTHORIZATION, authHeader).build();
        } catch (IOException e) {
            throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, GENERAL_ERROR_MSG, e.getMessage()));
        }
    }
    throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Unexepected program flow termination.", "Please contact a developer!"));
}

Example 14 with MCRRestAPIError

use of org.mycore.restapi.v1.errors.MCRRestAPIError in project mycore by MyCoRe-Org.

the class MCRRestAPIObjectsHelper method showMCRObject.

public static Response showMCRObject(String pathParamId, String queryParamStyle, UriInfo info, HttpServletRequest request) throws MCRRestAPIException {
    MCRObject mcrObj = retrieveMCRObject(pathParamId);
    Document doc = mcrObj.createXML();
    Element eStructure = doc.getRootElement().getChild("structure");
    if (queryParamStyle != null && !MCRRestAPIObjects.STYLE_DERIVATEDETAILS.equals(queryParamStyle)) {
        throw new MCRRestAPIException(Response.Status.BAD_REQUEST, new MCRRestAPIError(MCRRestAPIError.CODE_WRONG_PARAMETER, "The value of parameter {style} is not allowed.", "Allowed values for {style} parameter are: " + MCRRestAPIObjects.STYLE_DERIVATEDETAILS));
    }
    if (MCRRestAPIObjects.STYLE_DERIVATEDETAILS.equals(queryParamStyle) && eStructure != null) {
        Element eDerObjects = eStructure.getChild("derobjects");
        if (eDerObjects != null) {
            for (Element eDer : eDerObjects.getChildren("derobject")) {
                String derID = eDer.getAttributeValue("href", MCRConstants.XLINK_NAMESPACE);
                try {
                    MCRDerivate der = MCRMetadataManager.retrieveMCRDerivate(MCRObjectID.getInstance(derID));
                    eDer.addContent(der.createXML().getRootElement().detach());
                    // <mycorederivate xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" xmlns:xlink="http://www.w3.org/1999/xlink" xsi:noNamespaceSchemaLocation="datamodel-derivate.xsd" ID="cpr_derivate_00003760" label="display_image" version="1.3">
                    // <derivate display="true">
                    eDer = eDer.getChild("mycorederivate").getChild("derivate");
                    Document docContents = listDerivateContentAsXML(MCRMetadataManager.retrieveMCRDerivate(MCRObjectID.getInstance(derID)), "/", -1, info);
                    if (docContents.hasRootElement()) {
                        eDer.addContent(docContents.getRootElement().detach());
                    }
                } catch (MCRException e) {
                    eDer.addContent(new Comment("Error: Derivate not found."));
                } catch (IOException e) {
                    eDer.addContent(new Comment("Error: Derivate content could not be listed: " + e.getMessage()));
                }
            }
        }
    }
    StringWriter sw = new StringWriter();
    XMLOutputter outputter = new XMLOutputter(Format.getPrettyFormat());
    try {
        String filter_id = MCRConfiguration.instance().getString("MCR.RestAPI.v1.Filter.XML", "");
        if (filter_id.length() > 0) {
            MCRContentTransformer trans = MCRContentTransformerFactory.getTransformer(filter_id);
            Document filtered_doc = trans.transform(new MCRJDOMContent(doc)).asXML();
            outputter.output(filtered_doc, sw);
        } else {
            outputter.output(doc, sw);
        }
    } catch (SAXException | JDOMException e) {
        throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Unable to transform MCRContent to XML document", e.getMessage()));
    } catch (IOException e) {
        throw new MCRRestAPIException(Response.Status.INTERNAL_SERVER_ERROR, new MCRRestAPIError(MCRRestAPIError.CODE_INTERNAL_ERROR, "Unable to retrieve/transform MyCoRe object", e.getMessage()));
    }
    String authHeader = MCRJSONWebTokenUtil.createJWTAuthorizationHeader(MCRJSONWebTokenUtil.retrieveAuthenticationToken(request));
    return Response.ok(sw.toString()).type("application/xml").header(HEADER_NAME_AUTHORIZATION, authHeader).build();
}