Examples with MCRPath org.mycore.datamodel.niofs.MCRPath used on opensource projects

Example 51 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRUpdateMetsOnDerivateChangeEventHandler method checkUpdateMets.

/**
 * Checks if the mets.xml should be updated.
 *
 * @param evt the mcr event
 * @param file the file which was changed
 * @param attrs the file attributes
 * @return true if the mets shoud be updated, otherwise false
 */
protected boolean checkUpdateMets(MCREvent evt, Path file, BasicFileAttributes attrs) {
    // don't update if no MCRPath
    if (!(file instanceof MCRPath)) {
        return false;
    }
    // don't update if mets.xml is deleted
    Path fileName = file.getFileName();
    if (fileName != null && fileName.toString().equals(mets)) {
        return false;
    }
    MCRPath mcrPath = MCRPath.toMCRPath(file);
    String derivateId = mcrPath.getOwner();
    // don't update if mets.xml does not exist
    if (Files.notExists(MCRPath.getPath(derivateId, '/' + mets))) {
        return false;
    }
    // don't update if derivate or mycore object is marked for deletion
    MCRObjectID mcrDerivateId = MCRObjectID.getInstance(derivateId);
    MCRDerivate mcrDerivate = MCRMetadataManager.retrieveMCRDerivate(mcrDerivateId);
    return !MCRMarkManager.instance().isMarkedForDeletion(mcrDerivate);
}

Example 52 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRMetsCommands method validateSelectedMets.

@MCRCommand(syntax = "validate selected mets", help = "validates all mets.xml of selected derivates", order = 10)
public static void validateSelectedMets() {
    List<String> selectedObjectIDs = MCRObjectCommands.getSelectedObjectIDs();
    for (String objectID : selectedObjectIDs) {
        LOGGER.info("Validate mets.xml of {}", objectID);
        MCRPath metsFile = MCRPath.getPath(objectID, "/mets.xml");
        if (Files.exists(metsFile)) {
            try {
                MCRContent content = new MCRPathContent(metsFile);
                InputStream metsIS = content.getInputStream();
                METSValidator mv = new METSValidator(metsIS);
                List<ValidationException> validationExceptionList = mv.validate();
                if (validationExceptionList.size() > 0) {
                    invalidMetsQueue.add(objectID);
                }
                for (ValidationException validationException : validationExceptionList) {
                    LOGGER.error(validationException.getMessage());
                }
            } catch (IOException e) {
                LOGGER.error("Error while reading mets.xml of {}", objectID, e);
            } catch (JDOMException e) {
                LOGGER.error("Error while parsing mets.xml of {}", objectID, e);
            }
        }
    }
}

Example 53 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRMetsCommands method fixInvalidMets.

@MCRCommand(syntax = "try fix invalid mets", help = "This Command can be used to fix invalid mets files that was found in any validate selected mets runs.", order = 15)
public static void fixInvalidMets() {
    String selectedObjectID;
    while ((selectedObjectID = invalidMetsQueue.poll()) != null) {
        LOGGER.info("Try to fix METS of {}", selectedObjectID);
        MCRPath metsFile = MCRPath.getPath(selectedObjectID, "/mets.xml");
        SAXBuilder saxBuilder = new SAXBuilder();
        Document metsDocument;
        try (InputStream metsInputStream = Files.newInputStream(metsFile)) {
            metsDocument = saxBuilder.build(metsInputStream);
        } catch (IOException | JDOMException e) {
            LOGGER.error(MessageFormat.format("Cannot fix METS of {0}. Can not parse mets.xml!", selectedObjectID), e);
            return;
        }
        MCRMetsSimpleModel mcrMetsSimpleModel;
        try {
            mcrMetsSimpleModel = MCRXMLSimpleModelConverter.fromXML(metsDocument);
        } catch (Exception e) {
            LOGGER.error(MessageFormat.format("Cannot fix METS of {0}. Can not convert to SimpleModel!", selectedObjectID), e);
            return;
        }
        Document newMets = MCRSimpleModelXMLConverter.toXML(mcrMetsSimpleModel);
        XMLOutputter xmlOutputter = new XMLOutputter();
        try (OutputStream os = Files.newOutputStream(metsFile)) {
            xmlOutputter.output(newMets, os);
        } catch (IOException e) {
            LOGGER.error(MessageFormat.format("Cannot fix METS of {0}. Can not write mets to derivate.", selectedObjectID));
        }
    }
}

Example 54 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRSwordMediaHandler method replaceMediaResource.

public void replaceMediaResource(String derivateId, String requestFilePath, Deposit deposit) throws SwordError, SwordServerException {
    if (!MCRAccessManager.checkPermission(derivateId, MCRAccessManager.PERMISSION_WRITE)) {
        throw new SwordError(UriRegistry.ERROR_METHOD_NOT_ALLOWED, "You dont have the right to write to the derivate!");
    }
    MCRPath path = MCRPath.getPath(derivateId, requestFilePath);
    if (!Files.exists(path)) {
        throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, HttpServletResponse.SC_NOT_FOUND, "Cannot replace a not existing file.");
    }
    final boolean pathIsDirectory = Files.isDirectory(path);
    if (pathIsDirectory) {
        throw new SwordError(UriRegistry.ERROR_BAD_REQUEST, HttpServletResponse.SC_METHOD_NOT_ALLOWED, "replaceMediaResource is not supported with directories");
    }
// TODO: replace file
}

Example 55 with MCRPath

use of org.mycore.datamodel.niofs.MCRPath in project mycore by MyCoRe-Org.

the class MCRSwordMediaHandler method getMediaResourceRepresentation.

public MediaResource getMediaResourceRepresentation(String derivateID, String requestFilePath, Map<String, String> accept) throws SwordError, SwordServerException {
    MediaResource resultRessource;
    if (!MCRAccessManager.checkPermission(derivateID, MCRAccessManager.PERMISSION_READ)) {
        throw new SwordError(UriRegistry.ERROR_METHOD_NOT_ALLOWED, "You dont have the right to read from the derivate!");
    }
    if (requestFilePath != null && isValidFilePath(requestFilePath)) {
        final MCRPath path = MCRPath.getPath(derivateID, requestFilePath);
        checkFile(path);
        InputStream is = null;
        try {
            // MediaResource/Sword2 api should close the stream.
            is = Files.newInputStream(path);
            resultRessource = new MediaResource(is, Files.probeContentType(path), UriRegistry.PACKAGE_BINARY);
        } catch (IOException e) {
            LOGGER.error("Error while opening File: {}", path, e);
            if (is != null) {
                try {
                    is.close();
                } catch (IOException e1) {
                    LOGGER.error("Could not close Stream after error. ", e);
                }
            }
            throw new SwordError(HttpServletResponse.SC_INTERNAL_SERVER_ERROR);
        }
    } else {
        // if there is no file path or file is just "/" or "" then send the zipped Derivate
        resultRessource = MCRSwordUtil.getZippedDerivateMediaResource(derivateID);
    }
    MCRSessionMgr.getCurrentSession().commitTransaction();
    return resultRessource;
}