Examples of JsopReader


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

    //------------------------------< 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());
            }
        }
    }
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