Package org.apache.jackrabbit.oak.commons.json

Examples of org.apache.jackrabbit.oak.commons.json.JsopTokenizer


    //------------------------------< internal >--------------------------------

    private void parseJsonDiff(Commit commit, String json, String rootPath) {
        Revision baseRev = commit.getBaseRevision();
        String baseRevId = baseRev != null ? baseRev.toString() : null;
        JsopReader t = new JsopTokenizer(json);
        while (true) {
            int r = t.read();
            if (r == JsopReader.END) {
                break;
            }
            String path = PathUtils.concat(rootPath, t.readString());
            switch (r) {
                case '+':
                    t.read(':');
                    t.read('{');
                    parseAddNode(commit, t, path);
                    break;
                case '-':
                    DocumentNodeState toRemove = nodeStore.getNode(path, commit.getBaseRevision());
                    if (toRemove == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    }
                    commit.removeNode(path);
                    nodeStore.markAsDeleted(toRemove, commit, true);
                    commit.removeNodeDiff(path);
                    break;
                case '^':
                    t.read(':');
                    String value;
                    if (t.matches(JsopReader.NULL)) {
                        value = null;
                    } else {
                        value = t.readRawValue().trim();
                    }
                    String p = PathUtils.getParentPath(path);
                    String propertyName = PathUtils.getName(path);
                    commit.updateProperty(p, propertyName, value);
                    commit.updatePropertyDiff(p, propertyName, value);
                    break;
                case '>': {
                    // TODO support moving nodes that were modified within this commit
                    t.read(':');
                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    DocumentNodeState source = nodeStore.getNode(path, baseRev);
                    if (source == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.moveNode(path, targetPath);
                    nodeStore.moveNode(source, targetPath, commit);
                    break;
                }
                case '*': {
                    // TODO support copying nodes that were modified within this commit
                    t.read(':');
                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    DocumentNodeState source = nodeStore.getNode(path, baseRev);
                    if (source == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.copyNode(path, targetPath);
                    nodeStore.copyNode(source, targetPath, commit);
                    break;
                }
                default:
                    throw new MicroKernelException("token: " + (char) t.getTokenType());
            }
        }
    }
View Full Code Here


            // calculate the diff
            compactDiff = diffImpl(from, to);
        }
        JsopWriter writer = new JsopStream();
        diffProperties(from, to, writer);
        JsopTokenizer t = new JsopTokenizer(compactDiff);
        int r;
        do {
            r = t.read();
            switch (r) {
                case '+':
                case '^': {
                    String name = t.readString();
                    t.read(':');
                    t.read('{');
                    t.read('}');
                    writer.tag((char) r).key(PathUtils.concat(path, name));
                    writer.object().endObject().newline();
                    break;
                }
                case '-': {
                    String name = t.readString();
                    writer.tag('-').value(PathUtils.concat(path, name));
                    writer.newline();
                }
            }
        } while (r != JsopReader.END);
View Full Code Here

    //------------------------------< internal >--------------------------------

    private void parseJsonDiff(Commit commit, String json, String rootPath) {
        Revision baseRev = commit.getBaseRevision();
        String baseRevId = baseRev != null ? baseRev.toString() : null;
        JsopReader t = new JsopTokenizer(json);
        while (true) {
            int r = t.read();
            if (r == JsopReader.END) {
                break;
            }
            String path = PathUtils.concat(rootPath, t.readString());
            switch (r) {
                case '+':
                    t.read(':');
                    t.read('{');
                    parseAddNode(commit, t, path);
                    break;
                case '-':
                    DocumentNodeState toRemove = nodeStore.getNode(path, commit.getBaseRevision());
                    if (toRemove == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    }
                    commit.removeNode(path);
                    nodeStore.markAsDeleted(toRemove, commit, true);
                    commit.removeNodeDiff(path);
                    break;
                case '^':
                    t.read(':');
                    String value;
                    if (t.matches(JsopReader.NULL)) {
                        value = null;
                    } else {
                        value = t.readRawValue().trim();
                    }
                    String p = PathUtils.getParentPath(path);
                    String propertyName = PathUtils.getName(path);
                    commit.updateProperty(p, propertyName, value);
                    commit.updatePropertyDiff(p, propertyName, value);
                    break;
                case '>': {
                    // TODO support moving nodes that were modified within this commit
                    t.read(':');
                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    DocumentNodeState source = nodeStore.getNode(path, baseRev);
                    if (source == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.moveNode(path, targetPath);
                    nodeStore.moveNode(source, targetPath, commit);
                    break;
                }
                case '*': {
                    // TODO support copying nodes that were modified within this commit
                    t.read(':');
                    String targetPath = t.readString();
                    if (!PathUtils.isAbsolute(targetPath)) {
                        targetPath = PathUtils.concat(rootPath, targetPath);
                    }
                    DocumentNodeState source = nodeStore.getNode(path, baseRev);
                    if (source == null) {
                        throw new MicroKernelException("Node not found: " + path + " in revision " + baseRevId);
                    } else if (nodeExists(targetPath, baseRevId)) {
                        throw new MicroKernelException("Node already exists: " + targetPath + " in revision " + baseRevId);
                    }
                    commit.copyNode(path, targetPath);
                    nodeStore.copyNode(source, targetPath, commit);
                    break;
                }
                default:
                    throw new MicroKernelException("token: " + (char) t.getTokenType());
            }
        }
    }
View Full Code Here

            return false;
        }
        if (jsonDiff.trim().isEmpty()) {
            return true;
        }
        JsopTokenizer t = new JsopTokenizer(jsonDiff);
        boolean continueComparison = true;
        while (continueComparison) {
            int r = t.read();
            if (r == JsopReader.END) {
                break;
            }
            switch (r) {
                case '+': {
                    String name = t.readString();
                    t.read(':');
                    t.read('{');
                    while (t.read() != '}') {
                        // skip properties
                    }
                    continueComparison = diff.childNodeAdded(name, getChildNode(name));
                    break;
                }
                case '-': {
                    String name = t.readString();
                    continueComparison = diff.childNodeDeleted(name, base.getChildNode(name));
                    break;
                }
                case '^': {
                    String name = t.readString();
                    t.read(':');
                    if (t.matches('{')) {
                        t.read('}');
                        continueComparison = diff.childNodeChanged(name,
                                base.getChildNode(name), getChildNode(name));
                    } else if (t.matches('[')) {
                        // ignore multi valued property
                        while (t.read() != ']') {
                            // skip values
                        }
                    } else {
                        // ignore single valued property
                        t.read();
                    }
                    break;
                }
                default:
                    throw new IllegalArgumentException("jsonDiff: illegal token '"
                            + t.getToken() + "' at pos: " + t.getLastPos() + ' ' + jsonDiff);
            }
        }
        return continueComparison;
    }
View Full Code Here

        }

        Id revId = revisionId == null ? getHeadRevisionId() : Id.fromString(revisionId);

        try {
            JsopTokenizer t = new JsopTokenizer(jsonDiff);
            CommitBuilder cb = rep.getCommitBuilder(revId, message);
            while (true) {
                int r = t.read();
                if (r == JsopReader.END) {
                    break;
                }
                int pos; // used for error reporting
                switch (r) {
                    case '+': {
                        pos = t.getLastPos();
                        String subPath = t.readString();
                        t.read(':');
                        t.read('{');
                        String nodePath = PathUtils.concat(path, subPath);
                        if (!PathUtils.isAbsolute(nodePath)) {
                            throw new Exception("absolute path expected: " + nodePath + ", pos: " + pos);
                        }
                        String parentPath = PathUtils.getParentPath(nodePath);
                        String nodeName = PathUtils.getName(nodePath);
                        cb.addNode(parentPath, nodeName, JsonObject.create(t));
                        break;
                    }
                    case '-': {
                        pos = t.getLastPos();
                        String subPath = t.readString();
                        String targetPath = PathUtils.concat(path, subPath);
                        if (!PathUtils.isAbsolute(targetPath)) {
                            throw new Exception("absolute path expected: " + targetPath + ", pos: " + pos);
                        }
                        cb.removeNode(targetPath);
                        break;
                    }
                    case '^': {
                        pos = t.getLastPos();
                        String subPath = t.readString();
                        t.read(':');
                        String value;
                        if (t.matches(JsopReader.NULL)) {
                            value = null;
                        } else {
                            value = t.readRawValue().trim();
                        }
                        String targetPath = PathUtils.concat(path, subPath);
                        if (!PathUtils.isAbsolute(targetPath)) {
                            throw new Exception("absolute path expected: " + targetPath + ", pos: " + pos);
                        }
                        String parentPath = PathUtils.getParentPath(targetPath);
                        String propName = PathUtils.getName(targetPath);
                        cb.setProperty(parentPath, propName, value);
                        break;
                    }
                    case '>': {
                        pos = t.getLastPos();
                        String subPath = t.readString();
                        String srcPath = PathUtils.concat(path, subPath);
                        if (!PathUtils.isAbsolute(srcPath)) {
                            throw new Exception("absolute path expected: " + srcPath + ", pos: " + pos);
                        }
                        t.read(':');
                        pos = t.getLastPos();
                        String targetPath = t.readString();
                        if (!PathUtils.isAbsolute(targetPath)) {
                            targetPath = PathUtils.concat(path, targetPath);
                            if (!PathUtils.isAbsolute(targetPath)) {
                                throw new Exception("absolute path expected: " + targetPath + ", pos: " + pos);
                            }
                        }
                        cb.moveNode(srcPath, targetPath);
                        break;
                    }
                    case '*': {
                        pos = t.getLastPos();
                        String subPath = t.readString();
                        String srcPath = PathUtils.concat(path, subPath);
                        if (!PathUtils.isAbsolute(srcPath)) {
                            throw new Exception("absolute path expected: " + srcPath + ", pos: " + pos);
                        }
                        t.read(':');
                        pos = t.getLastPos();
                        String targetPath = t.readString();
                        if (!PathUtils.isAbsolute(targetPath)) {
                            targetPath = PathUtils.concat(path, targetPath);
                            if (!PathUtils.isAbsolute(targetPath)) {
                                throw new Exception("absolute path expected: " + targetPath + ", pos: " + pos);
                            }
                        }
                        cb.copyNode(srcPath, targetPath);
                        break;
                    }
                    default:
                        throw new IllegalArgumentException("jsonDiff: illegal token '" + t.getToken() + "' at pos: " + t.getLastPos());
                }
            }
            Id newHead = cb.doCommit();
            if (!newHead.equals(revId)) {
                // non-empty commit
View Full Code Here

        extractFiles(store, id, "target/test");
    }

    public static void extractFiles(BlobStore store, String listingId, String target) throws IOException {
        String listing = new String(BlobStoreInputStream.readFully(store, listingId), "UTF-8");
        JsopTokenizer t = new JsopTokenizer(listing);
        File targetDir = new File(target);
        targetDir.mkdirs();
        t.read('{');
        if (!t.matches('}')) {
            do {
                String file = t.readString();
                t.read(':');
                String id = t.readString();
                byte[] data = BlobStoreInputStream.readFully(store, id);
                File outFile = new File(targetDir, file);
                outFile.getParentFile().mkdirs();
                FileOutputStream out = new FileOutputStream(outFile);
                try {
                    out.write(data);
                } finally {
                    out.close();
                }
            } while (t.matches(','));
        }
        t.read('}');
    }
View Full Code Here

                String json = kernel.getNodes(
                        path, revision, 0, 0, MAX_CHILD_NAMES,
                        "{\"properties\":[\"*\",\":hash\",\":id\"]}");

                checkNotNull(json,"No node found at path [%s] for revision [%s]",path,revision);
                JsopReader reader = new JsopTokenizer(json);
                reader.read('{');
                properties = new LinkedHashMap<String, PropertyState>();
                childNames = new LinkedHashSet<String>();
                do {
                    String name = StringCache.get(reader.readString());
                    reader.read(':');
                    if (":childNodeCount".equals(name)) {
                        childNodeCount =
                                Long.valueOf(reader.read(JsopReader.NUMBER));
                    } else if (":hash".equals(name)) {
                        hash = new String(reader.read(JsopReader.STRING));
                        if (hash.equals(id)) {
                            // save some memory
                            hash = id;
                        }
                    } else if (":id".equals(name)) {
                        id = new String(reader.read(JsopReader.STRING));
                        if (id.equals(hash)) {
                            // save some memory
                            id = hash;
                        }
                    } else if (reader.matches('{')) {
                        reader.read('}');
                        childNames.add(name);
                    } else if (reader.matches('[')) {
                        properties.put(name, readArrayProperty(name, reader));
                    } else {
                        properties.put(name, readProperty(name, reader));
                    }
                } while (reader.matches(','));
                reader.read('}');
                reader.read(JsopReader.END);
                // optimize for empty childNodes
                if (childNames.isEmpty()) {
                    childNames = Collections.emptySet();
                }
                initialized = true;
View Full Code Here

                    private void fetchEntries() {
                        List<ChildNodeEntry> entries = Lists
                                .newArrayListWithCapacity(MAX_CHILD_NAMES);
                        String json = kernel.getNodes(path, revision, 0,
                                currentOffset, MAX_CHILD_NAMES, null);
                        JsopReader reader = new JsopTokenizer(json);
                        reader.read('{');
                        do {
                            String name = StringCache.get(reader.readString());
                            reader.read(':');
                            if (reader.matches('{')) {
                                reader.read('}');
                                entries.add(new KernelChildNodeEntry(name));
                            } else if (reader.matches('[')) {
                                while (reader.read() != ']') {
                                    // skip
                                }
                            } else {
                                reader.read();
                            }
                        } while (reader.matches(','));
                        reader.read('}');
                        reader.read(JsopReader.END);
                        if (entries.isEmpty()) {
                            current = null;
                        } else {
                            currentOffset += entries.size();
                            current = entries.iterator();
View Full Code Here

            return true;
        }
        if (!AbstractNodeState.comparePropertiesAgainstBaseState(this, base, diff)) {
            return false;
        }
        JsopTokenizer t = new JsopTokenizer(jsonDiff);
        boolean continueComparison = true;
        while (continueComparison) {
            int r = t.read();
            if (r == JsopReader.END) {
                break;
            }
            switch (r) {
                case '+': {
                    String path = t.readString();
                    t.read(':');
                    t.read('{');
                    while (t.read() != '}') {
                        // skip properties
                    }
                    String name = PathUtils.getName(path);
                    continueComparison = diff.childNodeAdded(name, getChildNode(name));
                    break;
                }
                case '-': {
                    String path = t.readString();
                    String name = PathUtils.getName(path);
                    continueComparison = diff.childNodeDeleted(name, base.getChildNode(name));
                    break;
                }
                case '^': {
                    String path = t.readString();
                    t.read(':');
                    if (t.matches('{')) {
                        t.read('}');
                        String name = PathUtils.getName(path);
                        continueComparison = diff.childNodeChanged(name,
                                base.getChildNode(name), getChildNode(name));
                    } else if (t.matches('[')) {
                        // ignore multi valued property
                        while (t.read() != ']') {
                            // skip values
                        }
                    } else {
                        // ignore single valued property
                        t.read();
                    }
                    break;
                }
                case '>': {
                    String from = t.readString();
                    t.read(':');
                    String to = t.readString();
                    String fromName = PathUtils.getName(from);
                    continueComparison = diff.childNodeDeleted(
                            fromName, base.getChildNode(fromName));
                    if (!continueComparison) {
                        break;
                    }
                    String toName = PathUtils.getName(to);
                    continueComparison = diff.childNodeAdded(
                            toName, getChildNode(toName));
                    break;
                }
                default:
                    throw new IllegalArgumentException("jsonDiff: illegal token '"
                            + t.getToken() + "' at pos: " + t.getLastPos() + ' ' + jsonDiff);
            }
        }
        return continueComparison;
    }
View Full Code Here

        this.propFilter = propFilter;
    }

    public static NodeFilter parse(String json) {
        // parse json format filter
        JsopTokenizer t = new JsopTokenizer(json);
        t.read('{');

        NameFilter nodeFilter = null, propFilter = null;

        do {
            String type = t.readString();
            t.read(':');
            String[] globs = parseArray(t);
            if (type.equals("nodes")) {
                nodeFilter = new NameFilter(globs);
            } else if (type.equals("properties")) {
                propFilter = new NameFilter(globs);
            } else {
                throw new IllegalArgumentException("illegal filter format");
            }
        } while (t.matches(','));
        t.read('}');

        return new NodeFilter(nodeFilter, propFilter);
    }
View Full Code Here

TOP

Related Classes of org.apache.jackrabbit.oak.commons.json.JsopTokenizer

Copyright © 2018 www.massapicom. All rights reserved.
All source code are property of their respective owners. Java is a trademark of Sun Microsystems, Inc and owned by ORACLE Inc. Contact coftware#gmail.com.