Examples with ContentPointer v7db.files.spi.ContentPointer used on opensource projects

Example 6 with ContentPointer

use of v7db.files.spi.ContentPointer in project v7files by thiloplanz.

the class ZipFileTest method testIndexZipFile.

public void testIndexZipFile() throws MongoException, IOException, ZipException, DecoderException {
    ContentStorage storage = new MongoContentStorage(getMongo().getDB("test"));
    ContentPointer zip = storage.storeContent(getClass().getResourceAsStream("mongodb.epub"));
    ZipFile.index(storage, zip);
    assertEquals("fc012bb0439382f709d3caebab958ff592811d17", DigestUtils.shaHex(storage.getContent(decodeHex("fc012bb0439382f709d3caebab958ff592811d17".toCharArray())).getInputStream()));
}

Example 7 with ContentPointer

use of v7db.files.spi.ContentPointer in project v7files by thiloplanz.

the class MongoReferenceTracking method updateReferences.

public void updateReferences(Object ownerId, ContentPointer... contents) throws IOException {
    List<byte[]> content = new ArrayList<byte[]>();
    for (ContentPointer cp : contents) {
        if (cp instanceof InlineContent)
            continue;
        if (cp instanceof StoredContent)
            content.add(((StoredContent) cp).getBaseSHA());
        else if (cp instanceof ContentSHA)
            content.add(((ContentSHA) cp).getSHA());
        else
            throw new IllegalArgumentException(cp.getClass().getName());
    }
    WriteResult r = refCollection.update(new BasicDBObject("_id", ownerId), new BasicDBObject("$set", new BasicDBObject("refs", content)).append("$addToSet", new BasicDBObject("refHistory", new BasicDBObject("$each", content))), false, false, WriteConcern.SAFE);
    if (r.getN() == 1)
        return;
    if (r.getN() != 0)
        throw new IllegalStateException();
    refCollection.insert(WriteConcern.SAFE, new BasicDBObject("_id", ownerId).append("refs", content).append("refHistory", content));
}

Example 8 with ContentPointer

use of v7db.files.spi.ContentPointer in project v7files by thiloplanz.

the class V7File method getDigest.

public String getDigest() {
    ContentPointer contentPointer = getContentPointer();
    if (contentPointer instanceof ContentSHA) {
        return ((ContentSHA) contentPointer).getDigest();
    }
    if (contentPointer instanceof InlineContent) {
        try {
            return DigestUtils.shaHex(((InlineContent) contentPointer).getInputStream());
        } catch (IOException e) {
            throw new RuntimeException(e);
        }
    }
    if (contentPointer.getLength() == 0)
        return ContentSHA.calculate(ArrayUtils.EMPTY_BYTE_ARRAY).getDigest();
    // TODO:
    System.err.println("NO DIGEST!");
    return null;
}

Example 9 with ContentPointer

use of v7db.files.spi.ContentPointer in project v7files by thiloplanz.

the class V7GridFS method updateContents.

private void updateContents(DBObject metaData, InputStream contents) throws IOException {
    Object fileId = metaData.get("_id");
    ContentPointer oldContents = getContentPointer(metaData);
    String filename = (String) metaData.get("filename");
    String contentType = (String) metaData.get("contentType");
    BSONObject newContent = storage.insertContentsAndBackRefs(contents, fileId, filename, contentType);
    // check if it has changed
    ContentPointer newContents = getContentPointer(newContent);
    if (newContents.contentEquals(oldContents))
        return;
    metaData.removeField("sha");
    metaData.removeField("length");
    metaData.removeField("in");
    metaData.putAll(newContent);
    updateMetaData(metaData);
}

Example 10 with ContentPointer

use of v7db.files.spi.ContentPointer in project v7files by thiloplanz.

the class V7GridFS method updateContents.

private void updateContents(DBObject metaData, byte[] contents, int offset, int len) throws IOException {
    Object fileId = metaData.get("_id");
    ContentPointer oldContents = getContentPointer(metaData);
    String filename = (String) metaData.get("filename");
    String contentType = (String) metaData.get("contentType");
    // for up to 55 bytes, storing the complete file inline
    // takes less space than just storing the SHA-1 and length
    // 20 (SHA-1) + 1 (sha - in) + 6 (length) + 4 (int32) + 2*12
    // (ObjectId back-references)
    BSONObject newContent = storage.inlineOrInsertContentsAndBackRefs(55, contents, offset, len, fileId, filename, contentType);
    // check if it has changed
    ContentPointer newContents = getContentPointer(newContent);
    if (newContents.contentEquals(oldContents))
        return;
    metaData.removeField("sha");
    metaData.removeField("length");
    metaData.removeField("in");
    metaData.putAll(newContent);
    updateMetaData(metaData);
}