Examples with MCRPersistenceException org.mycore.common.MCRPersistenceException used on opensource projects

Example 1 with MCRPersistenceException

use of org.mycore.common.MCRPersistenceException in project mycore by MyCoRe-Org.

the class MCRXMLMetadataManager method update.

/**
 * Updates metadata of existing MCRObject in the persistent store.
 *
 * @param mcrid the MCRObjectID
 * @param xml the xml metadata of the MCRObject
 * @param lastModified the date of last modification to set
 * @return the stored metadata as IFS2 object
 */
public MCRStoredMetadata update(MCRObjectID mcrid, MCRContent xml, Date lastModified) throws IOException {
    if (!exists(mcrid)) {
        String msg = "Object to update does not exist: " + mcrid;
        throw new MCRPersistenceException(msg);
    }
    MCRStoredMetadata sm = getStore(mcrid).retrieve(mcrid.getNumberAsInteger());
    try {
        sm.update(xml);
    } catch (JDOMException e) {
        throw new MCRPersistenceException("Error while updating object: " + mcrid, e);
    }
    sm.setLastModified(lastModified);
    MCRConfiguration.instance().systemModified();
    return sm;
}

Example 2 with MCRPersistenceException

use of org.mycore.common.MCRPersistenceException in project mycore by MyCoRe-Org.

the class MCRXMLMetadataManager method getStore.

/**
 * Returns IFS2 MCRMetadataStore for the given project and object type
 *
 * @param project the project, e.g. DocPortal
 * @param type the object type, e.g. document
 */
public MCRMetadataStore getStore(String project, String type) {
    String projectType = getStoryKey(project, type);
    String prefix = "MCR.IFS2.Store." + projectType + ".";
    String forceXML = MCRConfiguration.instance().getString(prefix + "ForceXML", null);
    if (forceXML == null) {
        synchronized (this) {
            forceXML = MCRConfiguration.instance().getString(prefix + "ForceXML", null);
            if (forceXML == null) {
                try {
                    setupStore(project, type, prefix);
                } catch (ReflectiveOperationException e) {
                    throw new MCRPersistenceException(MessageFormat.format("Could not instantiate store for project {0} and object type {1}.", project, type), e);
                }
            }
        }
    }
    MCRMetadataStore store = MCRStoreManager.getStore(projectType, MCRMetadataStore.class);
    if (store == null) {
        throw new MCRPersistenceException(MessageFormat.format("Metadata store for project {0} and object type {1} is unconfigured.", project, type));
    }
    return store;
}

Example 3 with MCRPersistenceException

use of org.mycore.common.MCRPersistenceException in project mycore by MyCoRe-Org.

the class MCRMetadataManager method delete.

/**
 * Deletes the <code>mcrObject</code>.
 *
 * @param mcrObject
 *            the object to be deleted
 * @param parentOperation
 *            function to handle the parent of the object @see {@link #removeChildObject(MCRObject, MCRObjectID)}
 * @throws MCRPersistenceException
 *            if persistence problem occurs
 * @throws MCRActiveLinkException
 *            object couldn't  be deleted because its linked somewhere
 * @throws MCRAccessException
 *            if delete permission is missing
 */
private static void delete(final MCRObject mcrObject, BiConsumer<MCRObject, MCRObjectID> parentOperation) throws MCRPersistenceException, MCRActiveLinkException, MCRAccessException {
    MCRObjectID id = mcrObject.getId();
    if (id == null) {
        throw new MCRPersistenceException("The MCRObjectID is null.");
    }
    if (!MCRAccessManager.checkPermission(id, PERMISSION_DELETE)) {
        throw MCRAccessException.missingPermission("Delete object", mcrObject.getId().toString(), PERMISSION_DELETE);
    }
    // check for active links
    final Collection<String> sources = MCRLinkTableManager.instance().getSourceOf(mcrObject.mcr_id, MCRLinkTableManager.ENTRY_TYPE_REFERENCE);
    if (LOGGER.isDebugEnabled()) {
        LOGGER.debug("Sources size:{}", sources.size());
    }
    if (sources.size() > 0) {
        final MCRActiveLinkException activeLinks = new MCRActiveLinkException("Error while deleting object " + id + ". This object is still referenced by other objects and can not be removed until all links are released.");
        for (final String curSource : sources) {
            activeLinks.addLink(curSource, id.toString());
        }
        throw activeLinks;
    }
    // mark for deletion
    MCRMarkManager.instance().mark(id, Operation.DELETE);
    // remove child from parent
    final MCRObjectID parentId = mcrObject.getStructure().getParentID();
    if (parentId != null) {
        parentOperation.accept(mcrObject, parentId);
    }
    // remove all children
    for (MCRMetaLinkID child : mcrObject.getStructure().getChildren()) {
        MCRObjectID childId = child.getXLinkHrefID();
        if (!MCRMetadataManager.exists(childId)) {
            LOGGER.warn("Unable to remove not existing object {} of parent {}", childId, id);
            continue;
        }
        MCRMetadataManager.deleteMCRObject(childId, (MCRObject o, MCRObjectID p) -> {
        // Do nothing with the parent, because its removed anyway.
        });
    }
    // remove all derivates
    for (MCRMetaLinkID derivate : mcrObject.getStructure().getDerivates()) {
        MCRObjectID derivateId = derivate.getXLinkHrefID();
        if (!MCRMetadataManager.exists(derivateId)) {
            LOGGER.warn("Unable to remove not existing derivate {} of object {}", derivateId, id);
            continue;
        }
        MCRMetadataManager.deleteMCRDerivate(derivateId);
    }
    // handle events
    fireEvent(mcrObject, null, MCREvent.DELETE_EVENT);
    // remove mark
    MCRMarkManager.instance().remove(id);
}

Example 4 with MCRPersistenceException

use of org.mycore.common.MCRPersistenceException in project mycore by MyCoRe-Org.

the class MCRMetadataManager method delete.

/**
 * Deletes MCRDerivate.
 *
 * @param mcrDerivate
 *            to be deleted
 * @throws MCRPersistenceException
 *            if persistence problem occurs
 * @throws MCRAccessException
 *            if delete permission is missing
 */
public static void delete(final MCRDerivate mcrDerivate) throws MCRPersistenceException, MCRAccessException {
    MCRObjectID id = mcrDerivate.getId();
    if (!MCRAccessManager.checkPermission(id, PERMISSION_DELETE)) {
        throw MCRAccessException.missingPermission("Delete derivate", id.toString(), PERMISSION_DELETE);
    }
    // mark for deletion
    MCRMarkManager.instance().mark(id, Operation.DELETE);
    // remove link
    MCRObjectID metaId = null;
    try {
        metaId = mcrDerivate.getDerivate().getMetaLink().getXLinkHrefID();
        if (MCRMetadataManager.removeDerivateFromObject(metaId, id)) {
            LOGGER.info(MessageFormat.format("Link in MCRObject {0} to MCRDerivate {1} is deleted.", metaId, id));
        } else {
            LOGGER.warn(MessageFormat.format("Link in MCRObject {0} to MCRDerivate {1} could not be deleted.", metaId, id));
        }
    } catch (final Exception e) {
        LOGGER.warn("Can't delete link for MCRDerivate {} from MCRObject {}. Error ignored.", id, metaId);
    }
    // delete data from IFS
    if (mcrDerivate.getDerivate().getInternals() != null) {
        try {
            deleteDerivate(id.toString());
            LOGGER.info("IFS entries for MCRDerivate {} are deleted.", id);
        } catch (final Exception e) {
            throw new MCRPersistenceException("Error while delete MCRDerivate " + id + " in IFS", e);
        }
    }
    // handle events
    fireEvent(mcrDerivate, null, MCREvent.DELETE_EVENT);
    // remove mark
    MCRMarkManager.instance().remove(id);
}

Example 5 with MCRPersistenceException

use of org.mycore.common.MCRPersistenceException in project mycore by MyCoRe-Org.

the class MCRMetadataManager method create.

/**
 * Stores the derivate.
 *
 * @param mcrDerivate
 *            derivate instance to store
 * @throws MCRPersistenceException
 *            if a persistence problem is occurred
 * @throws MCRAccessException
 *            if write permission to object is missing
 */
public static void create(final MCRDerivate mcrDerivate) throws MCRPersistenceException, MCRAccessException {
    if (exists(mcrDerivate.getId())) {
        throw new MCRPersistenceException("The derivate " + mcrDerivate.getId() + " already exists, nothing done.");
    }
    try {
        mcrDerivate.validate();
    } catch (MCRException exc) {
        throw new MCRPersistenceException("The derivate " + mcrDerivate.getId() + " is not valid.", exc);
    }
    final MCRObjectID objid = mcrDerivate.getDerivate().getMetaLink().getXLinkHrefID();
    if (!MCRAccessManager.checkPermission(objid, PERMISSION_WRITE)) {
        throw MCRAccessException.missingPermission("Add derivate " + mcrDerivate.getId() + " to object.", objid.toString(), PERMISSION_WRITE);
    }
    byte[] objectBackup;
    try {
        objectBackup = MCRXMLMetadataManager.instance().retrieveBLOB(objid);
    } catch (IOException ioExc) {
        throw new MCRPersistenceException("Unable to retrieve xml blob of " + objid);
    }
    if (objectBackup == null) {
        throw new MCRPersistenceException("Cannot find " + objid + " to attach derivate " + mcrDerivate.getId() + " to it.");
    }
    // prepare the derivate metadata and store under the XML table
    if (mcrDerivate.getService().getDate("createdate") == null || !mcrDerivate.isImportMode()) {
        mcrDerivate.getService().setDate("createdate");
    }
    if (mcrDerivate.getService().getDate("modifydate") == null || !mcrDerivate.isImportMode()) {
        mcrDerivate.getService().setDate("modifydate");
    }
    // handle events
    fireEvent(mcrDerivate, null, MCREvent.CREATE_EVENT);
    // add the link to metadata
    final MCRMetaLinkID der = new MCRMetaLinkID();
    der.setReference(mcrDerivate.getId().toString(), null, mcrDerivate.getLabel());
    der.setSubTag("derobject");
    try {
        if (LOGGER.isDebugEnabled()) {
            LOGGER.debug("adding Derivate in data store");
        }
        MCRMetadataManager.addOrUpdateDerivateToObject(objid, der);
    } catch (final Exception e) {
        MCRMetadataManager.restore(mcrDerivate, objid, objectBackup);
        // throw final exception
        throw new MCRPersistenceException("Error while creatlink to MCRObject " + objid + ".", e);
    }
    // create data in IFS
    if (mcrDerivate.getDerivate().getInternals() != null) {
        MCRObjectID derId = mcrDerivate.getId();
        MCRPath rootPath = MCRPath.getPath(derId.toString(), "/");
        if (mcrDerivate.getDerivate().getInternals().getSourcePath() == null) {
            try {
                rootPath.getFileSystem().createRoot(rootPath.getOwner());
                BasicFileAttributes attrs = Files.readAttributes(rootPath, BasicFileAttributes.class);
                if (!(attrs.fileKey() instanceof String)) {
                    throw new MCRPersistenceException("Cannot get ID from newely created directory, as it is not a String." + rootPath);
                }
                mcrDerivate.getDerivate().getInternals().setIFSID(attrs.fileKey().toString());
            } catch (IOException ioExc) {
                throw new MCRPersistenceException("Cannot create root of '" + rootPath.getOwner() + "' or read the file attributes.", ioExc);
            }
        } else {
            final String sourcepath = mcrDerivate.getDerivate().getInternals().getSourcePath();
            final File f = new File(sourcepath);
            if (f.exists()) {
                try {
                    if (LOGGER.isDebugEnabled()) {
                        LOGGER.debug("Starting File-Import");
                    }
                    importDerivate(derId.toString(), f.toPath());
                    BasicFileAttributes attrs = Files.readAttributes(rootPath, BasicFileAttributes.class);
                    if (!(attrs.fileKey() instanceof String)) {
                        throw new MCRPersistenceException("Cannot get ID from newely created directory, as it is not a String." + rootPath);
                    }
                    mcrDerivate.getDerivate().getInternals().setIFSID(attrs.fileKey().toString());
                } catch (final Exception e) {
                    if (Files.exists(rootPath)) {
                        deleteDerivate(derId.toString());
                    }
                    MCRMetadataManager.restore(mcrDerivate, objid, objectBackup);
                    throw new MCRPersistenceException("Can't add derivate to the IFS", e);
                }
            } else {
                LOGGER.warn("Empty derivate, the File or Directory -->{}<--  was not found.", sourcepath);
            }
        }
    }
}