Examples with FileSystemResource org.apache.jackrabbit.core.fs.FileSystemResource used on opensource projects

Example 21 with FileSystemResource

use of org.apache.jackrabbit.core.fs.FileSystemResource in project jackrabbit by apache.

the class InMemPersistenceManager method loadContents.

/**
     * Reads the content of the hash maps from the file system
     *
     * @throws Exception if an error occurs
     */
public synchronized void loadContents() throws Exception {
    // read item states
    FileSystemResource fsRes = new FileSystemResource(wspFS, STATE_FILE_PATH);
    if (!fsRes.exists()) {
        return;
    }
    BufferedInputStream bis = new BufferedInputStream(fsRes.getInputStream());
    DataInputStream in = new DataInputStream(bis);
    try {
        // number of entries
        int n = in.readInt();
        while (n-- > 0) {
            // entry type
            byte type = in.readByte();
            ItemId id;
            if (type == NODE_ENTRY) {
                // entry type: node
                // id
                String s = in.readUTF();
                id = NodeId.valueOf(s);
            } else {
                // entry type: property
                // id
                String s = in.readUTF();
                id = PropertyId.valueOf(s);
            }
            // data length
            int length = in.readInt();
            byte[] data = new byte[length];
            // data
            in.readFully(data);
            // store in map
            stateStore.put(id, data);
        }
    } finally {
        in.close();
    }
    // read references
    fsRes = new FileSystemResource(wspFS, REFS_FILE_PATH);
    bis = new BufferedInputStream(fsRes.getInputStream());
    in = new DataInputStream(bis);
    try {
        // number of entries
        int n = in.readInt();
        while (n-- > 0) {
            // target id
            String s = in.readUTF();
            NodeId id = NodeId.valueOf(s);
            // data length
            int length = in.readInt();
            byte[] data = new byte[length];
            // data
            in.readFully(data);
            // store in map
            refsStore.put(id, data);
        }
    } finally {
        in.close();
    }
}

Example 22 with FileSystemResource

use of org.apache.jackrabbit.core.fs.FileSystemResource in project jackrabbit by apache.

the class InMemPersistenceManager method storeContents.

/**
     * Writes the content of the hash maps to the file system
     *
     * @throws Exception if an error occurs
     */
public synchronized void storeContents() throws Exception {
    // write item states
    FileSystemResource fsRes = new FileSystemResource(wspFS, STATE_FILE_PATH);
    fsRes.makeParentDirs();
    BufferedOutputStream bos = new BufferedOutputStream(fsRes.getOutputStream());
    DataOutputStream out = new DataOutputStream(bos);
    try {
        // number of entries
        out.writeInt(stateStore.size());
        // entries
        for (ItemId id : stateStore.keySet()) {
            if (id.denotesNode()) {
                // entry type
                out.writeByte(NODE_ENTRY);
            } else {
                // entry type
                out.writeByte(PROP_ENTRY);
            }
            // id
            out.writeUTF(id.toString());
            byte[] data = stateStore.get(id);
            // data length
            out.writeInt(data.length);
            // data
            out.write(data);
        }
    } finally {
        out.close();
    }
    // write references
    fsRes = new FileSystemResource(wspFS, REFS_FILE_PATH);
    fsRes.makeParentDirs();
    bos = new BufferedOutputStream(fsRes.getOutputStream());
    out = new DataOutputStream(bos);
    try {
        // number of entries
        out.writeInt(refsStore.size());
        // entries
        for (NodeId id : refsStore.keySet()) {
            // target id
            out.writeUTF(id.toString());
            byte[] data = refsStore.get(id);
            // data length
            out.writeInt(data.length);
            // data
            out.write(data);
        }
    } finally {
        out.close();
    }
}

Example 23 with FileSystemResource

use of org.apache.jackrabbit.core.fs.FileSystemResource in project jackrabbit by apache.

the class ObjectPersistenceManager method store.

/**
     * {@inheritDoc}
     */
protected void store(NodeReferences refs) throws ItemStateException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    String refsFilePath = buildNodeReferencesFilePath(refs.getTargetId());
    FileSystemResource refsFile = new FileSystemResource(itemStateFS, refsFilePath);
    try {
        refsFile.makeParentDirs();
        OutputStream out = new BufferedOutputStream(refsFile.getOutputStream());
        try {
            Serializer.serialize(refs, out);
        } finally {
            out.close();
        }
    } catch (Exception e) {
        String msg = "failed to store " + refs;
        log.debug(msg);
        throw new ItemStateException(msg, e);
    }
}

Example 24 with FileSystemResource

use of org.apache.jackrabbit.core.fs.FileSystemResource in project jackrabbit by apache.

the class ObjectPersistenceManager method destroy.

/**
     * {@inheritDoc}
     */
protected void destroy(PropertyState state) throws ItemStateException {
    if (!initialized) {
        throw new IllegalStateException("not initialized");
    }
    // delete binary values (stored as files)
    InternalValue[] values = state.getValues();
    if (values != null) {
        for (int i = 0; i < values.length; i++) {
            InternalValue val = values[i];
            if (val != null) {
                val.deleteBinaryResource();
            }
        }
    }
    // delete property file
    String propFilePath = buildPropFilePath(state.getPropertyId());
    FileSystemResource propFile = new FileSystemResource(itemStateFS, propFilePath);
    try {
        if (propFile.exists()) {
            // delete resource and prune empty parent folders
            propFile.delete(true);
        }
    } catch (FileSystemException fse) {
        String msg = "failed to delete property state: " + state.getParentId() + "/" + state.getName();
        log.debug(msg);
        throw new ItemStateException(msg, fse);
    }
}

Example 25 with FileSystemResource

use of org.apache.jackrabbit.core.fs.FileSystemResource in project jackrabbit by apache.

the class Serializer method serialize.

/**
     * Serializes the specified <code>PropertyState</code> object to the given
     * binary <code>stream</code>. Binary values are stored in the specified
     * <code>BLOBStore</code>.
     *
     * @param state     <code>state</code> to serialize
     * @param stream    the stream where the <code>state</code> should be
     *                  serialized to
     * @param blobStore handler for BLOB data
     * @throws Exception if an error occurs during the serialization
     * @see #deserialize(PropertyState, InputStream,BLOBStore)
     */
public static void serialize(PropertyState state, OutputStream stream, BLOBStore blobStore) throws Exception {
    DataOutputStream out = new DataOutputStream(stream);
    // type
    out.writeInt(state.getType());
    // multiValued
    out.writeBoolean(state.isMultiValued());
    // definitionId
    out.writeUTF("");
    // modCount
    out.writeShort(state.getModCount());
    // values
    InternalValue[] values = state.getValues();
    // count
    out.writeInt(values.length);
    for (int i = 0; i < values.length; i++) {
        InternalValue val = values[i];
        if (state.getType() == PropertyType.BINARY) {
            // special handling required for binary value:
            // put binary value in BLOB store
            InputStream in = val.getStream();
            String blobId = blobStore.createId(state.getPropertyId(), i);
            try {
                blobStore.put(blobId, in, val.getLength());
            } finally {
                IOUtils.closeQuietly(in);
            }
            // store id of BLOB as property value
            // value
            out.writeUTF(blobId);
            // in BLOB store and discard old value instance (e.g. temp file)
            if (blobStore instanceof ResourceBasedBLOBStore) {
                // optimization: if the BLOB store is resource-based
                // retrieve the resource directly rather than having
                // to read the BLOB from an input stream
                FileSystemResource fsRes = ((ResourceBasedBLOBStore) blobStore).getResource(blobId);
                values[i] = InternalValue.create(fsRes);
            } else {
                in = blobStore.get(blobId);
                try {
                    values[i] = InternalValue.create(in);
                } finally {
                    IOUtils.closeQuietly(in);
                }
            }
            val.discard();
        } else {
            /**
                 * because writeUTF(String) has a size limit of 65k,
                 * Strings are serialized as <length><byte[]>
                 */
            //out.writeUTF(val.toString());   // value
            byte[] bytes = val.toString().getBytes(ENCODING);
            // lenght of byte[]
            out.writeInt(bytes.length);
            // byte[]
            out.write(bytes);
        }
    }
}