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

Example 61 with MCRPath

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

the class MCRMetadataManager method update.

/**
 * Updates the derivate or creates it if it does not exist yet.
 *
 * @throws MCRPersistenceException
 *                if a persistence problem is occurred
 * @throws MCRAccessException
 *                if write permission to object or derivate is missing
 */
public static void update(final MCRDerivate mcrDerivate) throws MCRPersistenceException, MCRAccessException {
    MCRObjectID id = mcrDerivate.getId();
    // check deletion mark
    if (MCRMarkManager.instance().isMarkedForDeletion(id)) {
        return;
    }
    if (!MCRMetadataManager.exists(id)) {
        MCRMetadataManager.create(mcrDerivate);
        return;
    }
    if (!MCRAccessManager.checkPermission(id, PERMISSION_WRITE)) {
        throw MCRAccessException.missingPermission("Update derivate", id.toString(), PERMISSION_WRITE);
    }
    File fileSourceDirectory = null;
    if (mcrDerivate.getDerivate().getInternals() != null && mcrDerivate.getDerivate().getInternals().getSourcePath() != null) {
        fileSourceDirectory = new File(mcrDerivate.getDerivate().getInternals().getSourcePath());
        if (!fileSourceDirectory.exists()) {
            LOGGER.warn("{}: the directory {} was not found.", id, fileSourceDirectory);
            fileSourceDirectory = null;
        }
    }
    // get the old Item
    MCRDerivate old = MCRMetadataManager.retrieveMCRDerivate(id);
    // remove the old link to metadata
    MCRMetaLinkID oldLink = old.getDerivate().getMetaLink();
    MCRMetaLinkID newLink = mcrDerivate.getDerivate().getMetaLink();
    if (!oldLink.equals(newLink)) {
        MCRObjectID oldMetadataObjectID = oldLink.getXLinkHrefID();
        MCRObjectID newMetadataObjectID = newLink.getXLinkHrefID();
        if (!oldMetadataObjectID.equals(newLink.getXLinkHrefID())) {
            try {
                MCRMetadataManager.removeDerivateFromObject(oldMetadataObjectID, id);
            } catch (final MCRException e) {
                LOGGER.warn(e.getMessage(), e);
            }
        }
        // add the link to metadata
        final MCRMetaLinkID der = new MCRMetaLinkID("derobject", id, null, mcrDerivate.getLabel(), newLink.getXLinkRole());
        addOrUpdateDerivateToObject(newMetadataObjectID, der);
    }
    // update the derivate
    mcrDerivate.getService().setDate("createdate", old.getService().getDate("createdate"));
    if (!mcrDerivate.getService().isFlagTypeSet(MCRObjectService.FLAG_TYPE_CREATEDBY)) {
        for (String flagCreatedBy : old.getService().getFlags(MCRObjectService.FLAG_TYPE_CREATEDBY)) {
            mcrDerivate.getService().addFlag(MCRObjectService.FLAG_TYPE_CREATEDBY, flagCreatedBy);
        }
    }
    MCRMetadataManager.updateMCRDerivateXML(mcrDerivate);
    // update to IFS
    if (fileSourceDirectory != null) {
        Path sourcePath = fileSourceDirectory.toPath();
        MCRPath targetPath = MCRPath.getPath(id.toString(), "/");
        try {
            Files.walkFileTree(sourcePath, new MCRTreeCopier(sourcePath, targetPath));
        } catch (Exception exc) {
            throw new MCRPersistenceException("Unable to update IFS. Copy failed from " + sourcePath.toAbsolutePath() + " to target " + targetPath.toAbsolutePath(), exc);
        }
    }
}

Example 62 with MCRPath

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

the class MCRMetadataManager method deleteDerivate.

private static void deleteDerivate(String derivateID) throws MCRPersistenceException {
    try {
        MCRPath rootPath = MCRPath.getPath(derivateID, "/");
        if (!Files.exists(rootPath)) {
            LOGGER.info("Derivate does not exist: {}", derivateID);
            return;
        }
        Files.walkFileTree(rootPath, MCRRecursiveDeleter.instance());
        rootPath.getFileSystem().removeRoot(derivateID);
    } catch (Exception exc) {
        throw new MCRPersistenceException("Unable to delete derivate " + derivateID, exc);
    }
}

Example 63 with MCRPath

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

the class MCRMetadataManager method importDerivate.

private static void importDerivate(String derivateID, Path sourceDir) throws MCRPersistenceException {
    try {
        MCRPath rootPath = MCRPath.getPath(derivateID, "/");
        if (Files.exists(rootPath)) {
            LOGGER.info("Derivate does already exist: {}", derivateID);
        }
        rootPath.getFileSystem().createRoot(derivateID);
        Files.walkFileTree(sourceDir, new MCRTreeCopier(sourceDir, rootPath));
    } catch (Exception exc) {
        throw new MCRPersistenceException("Unable to import derivate " + derivateID + " from source " + sourceDir.toAbsolutePath(), exc);
    }
}

Example 64 with MCRPath

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

the class MCRFileMetaEventHandler method handleDerivateCreated.

@Override
protected void handleDerivateCreated(MCREvent evt, MCRDerivate der) {
    MCRObjectID derivateID = der.getId();
    MCRObjectDerivate objectDerivate = der.getDerivate();
    List<MCRFileMetadata> fileMetadata = objectDerivate.getFileMetadata();
    for (MCRFileMetadata metadata : fileMetadata) {
        Collection<MCRCategoryID> categories = metadata.getCategories();
        if (!categories.isEmpty()) {
            MCRPath path = MCRPath.getPath(derivateID.toString(), metadata.getName());
            MCRCategLinkReference linkReference = new MCRCategLinkReference(path);
            CATEGLINK_SERVICE.setLinks(linkReference, categories);
        }
    }
}

Example 65 with MCRPath

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

the class MCRBasketPersistence method updateBasket.

/**
 * Updates the basket's data in the persistent store by saving its XML representation
 * to a file in a derivate. The ID of the derivate is given in the basket's properties.
 */
public static void updateBasket(MCRBasket basket) throws Exception {
    String derivateID = basket.getDerivateID();
    MCRObjectID derivateOID = MCRObjectID.getInstance(derivateID);
    MCRDerivate derivate = MCRMetadataManager.retrieveMCRDerivate(derivateOID);
    MCRPath file = getBasketFile(derivateID);
    writeBasketToFile(basket, derivate, file);
}