Package org.apache.jackrabbit.mk.json

Examples of org.apache.jackrabbit.mk.json.JsopReader

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

            JsopReader reader = new JsopTokenizer(json);
            reader.read('{');
            properties = new LinkedHashMap<String, PropertyState>();
            childNodes = new LinkedHashMap<String, NodeState>();
            do {
                String name = reader.readString();
                reader.read(':');
                if (":childNodeCount".equals(name)) {
                    childNodeCount =
                            Long.valueOf(reader.read(JsopReader.NUMBER));
                } else if (":hash".equals(name)) {
                    hash = reader.read(JsopReader.STRING);
                } else if (reader.matches('{')) {
                    reader.read('}');
                    String childPath = path + '/' + name;
                    if ("/".equals(path)) {
                        childPath = '/' + name;
                    }
                    childNodes.put(name, new KernelNodeState(kernel, childPath, revision));
                } else if (reader.matches('[')) {
                    List<CoreValue> values = listFromJsopReader(reader, kernel);
                    properties.put(name, new MultiPropertyState(name, values));
                } else {
                    CoreValue cv = fromJsopReader(reader, kernel);
                    properties.put(name, new SinglePropertyState(name, cv));
                }
            } while (reader.matches(','));
            reader.read('}');
            reader.read(JsopReader.END);
        }
    }
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            public Iterator<ChildNodeEntry> iterator() {
                List<ChildNodeEntry> entries =
                        Lists.newArrayListWithCapacity(count);
                String json = kernel.getNodes(
                        path, revision, 0, offset, count, null);
                JsopReader reader = new JsopTokenizer(json);
                reader.read('{');
                do {
                    String name = reader.readString();
                    reader.read(':');
                    if (reader.matches('{')) {
                        reader.read('}');
                        String childPath = getChildPath(name);
                        NodeState child =
                                new KernelNodeState(kernel, childPath, revision);
                        entries.add(new MemoryChildNodeEntry(name, child));
                    } else {
                        reader.read();
                    }
                } while (reader.matches(','));
                reader.read('}');
                reader.read(JsopReader.END);
                return entries.iterator();
            }
        };
    }
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    private static void cleanRepository(MicroKernel mk) {
        String result = mk.getNodes("/", mk.getHeadRevision(), 0, 0, -1, null);
        List<String> names = new ArrayList<String>();
        List<String> properties = new ArrayList<String>();
        JsopReader t = new JsopTokenizer(result);
        t.read('{');
        if (!t.matches('}')) {
            do {
                String key = t.readString();
                t.read(':');
                if (t.matches('{')) {
                    names.add(key);
                    NodeImpl.parse(new NodeMap(), t, 0);
                } else {
                    if (!key.equals(":childNodeCount")) {
                        properties.add(key);
                    } else if (!key.equals(":hash")) {
                        properties.add(key);
                    }
                    t.readRawValue();
                }
            } while (t.matches(','));
            t.read('}');
        }
        if (!names.isEmpty()) {
            JsopBuilder buff = new JsopBuilder();
            for (String name : names) {
                buff.tag('-').value(name).newline();
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    //----------------------------< internal >----------------------------------

    private PropertyState parsed() {
        if (parsed == null) {
            JsopReader reader = new JsopTokenizer(value);
            if (reader.matches('[')) {
                parsed = readArrayProperty(name, reader);
            } else {
                parsed = readProperty(name, reader);
            }
        }
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    //------------------------------< 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 '-':
                    Node 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);
                    }
                    Node 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);
                    }
                    Node 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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    @Test
    public void testFromJsonValue() throws IOException {
        for (CoreValue v : singleValueMap.keySet()) {
            String json = singleValueMap.get(v);
            JsopReader reader = new JsopTokenizer(json);
            assertEquals(v, CoreValueMapper.fromJsopReader(reader, kernel));
        }
    }
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    @Test
    public void testListFromJsopReader() throws IOException {
        for (String json : mvValueMap.keySet()) {
            List<CoreValue> values = mvValueMap.get(json);
            JsopReader reader = new JsopTokenizer(json);
            if (reader.matches('[')) {
                assertEquals(values, CoreValueMapper.listFromJsopReader(reader, kernel));
            }
        }
    }
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        if (properties == null) {
            String json = kernel.getNodes(
                    path, revision, 0, 0, MAX_CHILD_NODE_NAMES,
                    "{\"properties\":[\"*\",\":hash\"]}");

            JsopReader reader = new JsopTokenizer(json);
            reader.read('{');
            properties = new LinkedHashMap<String, PropertyState>();
            childPaths = new LinkedHashMap<String, String>();
            do {
                String name = reader.readString();
                reader.read(':');
                if (":childNodeCount".equals(name)) {
                    childNodeCount =
                            Long.valueOf(reader.read(JsopReader.NUMBER));
                } else if (":hash".equals(name)) {
                    hash = reader.read(JsopReader.STRING);
                } else if (reader.matches('{')) {
                    reader.read('}');
                    String childPath = path + '/' + name;
                    if ("/".equals(path)) {
                        childPath = '/' + name;
                    }
                    childPaths.put(name, childPath);
                } else if (reader.matches('[')) {
                    List<CoreValue> values = listFromJsopReader(reader, kernel);
                    properties.put(name, new MultiPropertyState(name, values));
                } else {
                    CoreValue cv = fromJsopReader(reader, kernel);
                    properties.put(name, new SinglePropertyState(name, cv));
                }
            } while (reader.matches(','));
            reader.read('}');
            reader.read(JsopReader.END);
            // optimize for empty childNodes
            if (childPaths.isEmpty()) {
                childPaths = Collections.emptyMap();
            }
        }
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            public Iterator<ChildNodeEntry> iterator() {
                List<ChildNodeEntry> entries =
                        Lists.newArrayListWithCapacity(count);
                String json = kernel.getNodes(
                        path, revision, 0, offset, count, null);
                JsopReader reader = new JsopTokenizer(json);
                reader.read('{');
                do {
                    String name = reader.readString();
                    reader.read(':');
                    if (reader.matches('{')) {
                        reader.read('}');
                        String childPath = getChildPath(name);
                        entries.add(new KernelChildNodeEntry(name, childPath));
                    } else if (reader.matches('[')) {
                        while (reader.read() != ']') {
                            // skip
                        }
                    } else {
                        reader.read();
                    }
                } while (reader.matches(','));
                reader.read('}');
                reader.read(JsopReader.END);
                return entries.iterator();
            }
        };
    }
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            if (properties == null) {
                String json = kernel.getNodes(
                        path, revision, 0, 0, MAX_CHILD_NODE_NAMES,
                        "{\"properties\":[\"*\",\":hash\",\":id\"]}");

                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;
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