Example usage for com.google.gson.stream JsonReader beginObject

Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader beginObject.

Prototype

public void beginObject() throws IOException 

Source Link

Document

Consumes the next token from the JSON stream and asserts that it is the beginning of a new object.

Usage

From source file:org.opendaylight.controller.sal.rest.gson.JsonParser.java

License:Open Source License

public JsonElement read(JsonReader in) throws IOException {
    switch (in.peek()) {
    case STRING:/*from w  w w .  j  a  v a 2 s .c o  m*/
        return new JsonPrimitive(in.nextString());
    case NUMBER:
        String number = in.nextString();
        return new JsonPrimitive(new LazilyParsedNumber(number));
    case BOOLEAN:
        return new JsonPrimitive(in.nextBoolean());
    case NULL:
        in.nextNull();
        return JsonNull.INSTANCE;
    case BEGIN_ARRAY:
        JsonArray array = new JsonArray();
        in.beginArray();
        while (in.hasNext()) {
            array.add(read(in));
        }
        in.endArray();
        return array;
    case BEGIN_OBJECT:
        JsonObject object = new JsonObject();
        in.beginObject();
        while (in.hasNext()) {
            final String childName = in.nextName();
            if (object.has(childName)) {
                throw new JsonSyntaxException("Duplicate name " + childName + " in JSON input.");
            }
            object.add(childName, read(in));
        }
        in.endObject();
        return object;
    case END_DOCUMENT:
    case NAME:
    case END_OBJECT:
    case END_ARRAY:
    default:
        throw new IllegalArgumentException();
    }
}

---

From source file:org.opendaylight.netconf.sal.rest.impl.JsonToPATCHBodyReader.java

License:Open Source License

private List<PATCHEntity> read(final JsonReader in, InstanceIdentifierContext path) throws IOException {

    boolean inEdit = false;
    boolean inValue = false;
    String operation = null;//from  w w w.  j a v  a  2s  . c  o m
    String target = null;
    String editId = null;
    List<PATCHEntity> resultCollection = new ArrayList<>();

    while (in.hasNext()) {
        switch (in.peek()) {
        case STRING:
        case NUMBER:
            in.nextString();
            break;
        case BOOLEAN:
            Boolean.toString(in.nextBoolean());
            break;
        case NULL:
            in.nextNull();
            break;
        case BEGIN_ARRAY:
            in.beginArray();
            break;
        case BEGIN_OBJECT:
            if (inEdit && operation != null & target != null & inValue) {
                //let's do the stuff - find out target node
                //                      StringInstanceIdentifierCodec codec = new StringInstanceIdentifierCodec(path
                //                               .getSchemaContext());
                //                        if (path.getInstanceIdentifier().toString().equals("/")) {
                //                        final YangInstanceIdentifier deserialized = codec.deserialize(target);
                //                        }
                DataSchemaNode targetNode = ((DataNodeContainer) (path.getSchemaNode()))
                        .getDataChildByName(target.replace("/", ""));
                if (targetNode == null) {
                    LOG.debug("Target node {} not found in path {} ", target, path.getSchemaNode());
                    throw new RestconfDocumentedException("Error parsing input", ErrorType.PROTOCOL,
                            ErrorTag.MALFORMED_MESSAGE);
                } else {

                    final NormalizedNodeResult resultHolder = new NormalizedNodeResult();
                    final NormalizedNodeStreamWriter writer = ImmutableNormalizedNodeStreamWriter
                            .from(resultHolder);

                    //keep on parsing json from place where target points
                    final JsonParserStream jsonParser = JsonParserStream.create(writer, path.getSchemaContext(),
                            path.getSchemaNode());
                    jsonParser.parse(in);

                    final YangInstanceIdentifier targetII = path.getInstanceIdentifier()
                            .node(targetNode.getQName());
                    resultCollection
                            .add(new PATCHEntity(editId, operation, targetII, resultHolder.getResult()));
                    inValue = false;

                    operation = null;
                    target = null;
                }
                in.endObject();
            } else {
                in.beginObject();
            }
            break;
        case END_DOCUMENT:
            break;
        case NAME:
            final String name = in.nextName();

            switch (name) {
            case "edit":
                inEdit = true;
                break;
            case "operation":
                operation = in.nextString();
                break;
            case "target":
                target = in.nextString();
                break;
            case "value":
                inValue = true;
                break;
            case "patch-id":
                patchId = in.nextString();
                break;
            case "edit-id":
                editId = in.nextString();
                break;
            }
            break;
        case END_OBJECT:
            in.endObject();
            break;
        case END_ARRAY:
            in.endArray();
            break;

        default:
            break;
        }
    }

    return ImmutableList.copyOf(resultCollection);
}

---

From source file:org.opendaylight.restconf.jersey.providers.JsonToPATCHBodyReader.java

License:Open Source License

private List<PATCHEntity> read(final JsonReader in, final InstanceIdentifierContext path) throws IOException {
    final List<PATCHEntity> resultCollection = new ArrayList<>();
    final StringModuleInstanceIdentifierCodec codec = new StringModuleInstanceIdentifierCodec(
            path.getSchemaContext());//from  w ww.  j a v a 2 s  .com
    final JsonToPATCHBodyReader.PatchEdit edit = new JsonToPATCHBodyReader.PatchEdit();

    while (in.hasNext()) {
        switch (in.peek()) {
        case STRING:
        case NUMBER:
            in.nextString();
            break;
        case BOOLEAN:
            Boolean.toString(in.nextBoolean());
            break;
        case NULL:
            in.nextNull();
            break;
        case BEGIN_ARRAY:
            in.beginArray();
            break;
        case BEGIN_OBJECT:
            in.beginObject();
            break;
        case END_DOCUMENT:
            break;
        case NAME:
            parseByName(in.nextName(), edit, in, path, codec, resultCollection);
            break;
        case END_OBJECT:
            in.endObject();
            break;
        case END_ARRAY:
            in.endArray();
            break;

        default:
            break;
        }
    }

    return ImmutableList.copyOf(resultCollection);
}

---

From source file:org.opendaylight.restconf.jersey.providers.JsonToPATCHBodyReader.java

License:Open Source License

/**
 * Read one patch edit object from Json input
 * @param edit PatchEdit instance to be filled with read data
 * @param in JsonReader reader/*w  ww  .ja v a  2s . com*/
 * @param path InstanceIdentifierContext path context
 * @param codec Draft11StringModuleInstanceIdentifierCodec codec
 * @throws IOException
 */
private void readEditDefinition(@Nonnull final PatchEdit edit, @Nonnull final JsonReader in,
        @Nonnull final InstanceIdentifierContext path, @Nonnull final StringModuleInstanceIdentifierCodec codec)
        throws IOException {
    final StringBuffer value = new StringBuffer();
    in.beginObject();

    while (in.hasNext()) {
        final String editDefinition = in.nextName();
        switch (editDefinition) {
        case "edit-id":
            edit.setId(in.nextString());
            break;
        case "operation":
            edit.setOperation(in.nextString());
            break;
        case "target":
            // target can be specified completely in request URI
            final String target = in.nextString();
            if (target.equals("/")) {
                edit.setTarget(path.getInstanceIdentifier());
                edit.setTargetSchemaNode(path.getSchemaContext());
            } else {
                edit.setTarget(codec.deserialize(codec.serialize(path.getInstanceIdentifier()).concat(target)));
                edit.setTargetSchemaNode(
                        SchemaContextUtil.findDataSchemaNode(path.getSchemaContext(), codec.getDataContextTree()
                                .getChild(edit.getTarget()).getDataSchemaNode().getPath().getParent()));
            }

            break;
        case "value":
            // save data defined in value node for next (later) processing, because target needs to be read
            // always first and there is no ordering in Json input
            readValueNode(value, in);
            break;
        default:
            break;
        }
    }

    in.endObject();

    // read saved data to normalized node when target schema is already known
    edit.setData(
            readEditData(new JsonReader(new StringReader(value.toString())), edit.getTargetSchemaNode(), path));
}

---

From source file:org.opendaylight.restconf.jersey.providers.JsonToPATCHBodyReader.java

License:Open Source License

/**
 * Parse data defined in value node and saves it to buffer
 * @param value Buffer to read value node
 * @param in JsonReader reader//  w ww  . j  a  v  a2  s  .co m
 * @throws IOException
 */
private void readValueNode(@Nonnull final StringBuffer value, @Nonnull final JsonReader in) throws IOException {
    in.beginObject();
    value.append("{");

    value.append("\"" + in.nextName() + "\"" + ":");

    if (in.peek() == JsonToken.BEGIN_ARRAY) {
        in.beginArray();
        value.append("[");

        while (in.hasNext()) {
            readValueObject(value, in);
            if (in.peek() != JsonToken.END_ARRAY) {
                value.append(",");
            }
        }

        in.endArray();
        value.append("]");
    } else {
        readValueObject(value, in);
    }

    in.endObject();
    value.append("}");
}

---

From source file:org.opendaylight.restconf.jersey.providers.JsonToPATCHBodyReader.java

License:Open Source License

/**
 * Parse one value object of data and saves it to buffer
 * @param value Buffer to read value object
 * @param in JsonReader reader/*ww  w .j  av  a 2 s.  c  o  m*/
 * @throws IOException
 */
private void readValueObject(@Nonnull final StringBuffer value, @Nonnull final JsonReader in)
        throws IOException {
    in.beginObject();
    value.append("{");

    while (in.hasNext()) {
        value.append("\"" + in.nextName() + "\"");
        value.append(":");

        if (in.peek() == JsonToken.STRING) {
            value.append("\"" + in.nextString() + "\"");
        } else {
            if (in.peek() == JsonToken.BEGIN_ARRAY) {
                in.beginArray();
                value.append("[");

                while (in.hasNext()) {
                    readValueObject(value, in);
                    if (in.peek() != JsonToken.END_ARRAY) {
                        value.append(",");
                    }
                }

                in.endArray();
                value.append("]");
            } else {
                readValueObject(value, in);
            }
        }

        if (in.peek() != JsonToken.END_OBJECT) {
            value.append(",");
        }
    }

    in.endObject();
    value.append("}");
}

---

From source file:org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream.java

License:Open Source License

private void traverseAnyXmlValue(final JsonReader in, final Document doc, final Element parentElement)
        throws IOException {
    switch (in.peek()) {
    case STRING:/*ww  w . j a v a 2 s  . c  om*/
    case NUMBER:
        Text textNode = doc.createTextNode(in.nextString());
        parentElement.appendChild(textNode);
        break;
    case BOOLEAN:
        textNode = doc.createTextNode(Boolean.toString(in.nextBoolean()));
        parentElement.appendChild(textNode);
        break;
    case NULL:
        in.nextNull();
        textNode = doc.createTextNode("null");
        parentElement.appendChild(textNode);
        break;
    case BEGIN_ARRAY:
        in.beginArray();
        while (in.hasNext()) {
            final Element childElement = doc.createElement(ANYXML_ARRAY_ELEMENT_ID);
            parentElement.appendChild(childElement);
            traverseAnyXmlValue(in, doc, childElement);
        }
        in.endArray();
        break;
    case BEGIN_OBJECT:
        in.beginObject();
        while (in.hasNext()) {
            final Element childElement = doc.createElement(in.nextName());
            parentElement.appendChild(childElement);
            traverseAnyXmlValue(in, doc, childElement);
        }
        in.endObject();
    case END_DOCUMENT:
    case NAME:
    case END_OBJECT:
    case END_ARRAY:
        break;
    }
}

---

From source file:org.opendaylight.yangtools.yang.data.codec.gson.JsonParserStream.java

License:Open Source License

public void read(final JsonReader in, AbstractNodeDataWithSchema parent) throws IOException {
    switch (in.peek()) {
    case STRING:/* w w w  .  j  a  v a  2s.co  m*/
    case NUMBER:
        setValue(parent, in.nextString());
        break;
    case BOOLEAN:
        setValue(parent, Boolean.toString(in.nextBoolean()));
        break;
    case NULL:
        in.nextNull();
        setValue(parent, null);
        break;
    case BEGIN_ARRAY:
        in.beginArray();
        while (in.hasNext()) {
            if (parent instanceof LeafNodeDataWithSchema) {
                read(in, parent);
            } else {
                final AbstractNodeDataWithSchema newChild = newArrayEntry(parent);
                read(in, newChild);
            }
        }
        in.endArray();
        return;
    case BEGIN_OBJECT:
        final Set<String> namesakes = new HashSet<>();
        in.beginObject();
        /*
         * This allows parsing of incorrectly /as showcased/
         * in testconf nesting of list items - eg.
         * lists with one value are sometimes serialized
         * without wrapping array.
         *
         */
        if (isArray(parent)) {
            parent = newArrayEntry(parent);
        }
        while (in.hasNext()) {
            final String jsonElementName = in.nextName();
            DataSchemaNode parentSchema = parent.getSchema();
            if (parentSchema instanceof YangModeledAnyXmlSchemaNode) {
                parentSchema = ((YangModeledAnyXmlSchemaNode) parentSchema).getSchemaOfAnyXmlData();
            }
            final NamespaceAndName namespaceAndName = resolveNamespace(jsonElementName, parentSchema);
            final String localName = namespaceAndName.getName();
            addNamespace(namespaceAndName.getUri());
            if (namesakes.contains(jsonElementName)) {
                throw new JsonSyntaxException("Duplicate name " + jsonElementName + " in JSON input.");
            }
            namesakes.add(jsonElementName);

            final Deque<DataSchemaNode> childDataSchemaNodes = ParserStreamUtils
                    .findSchemaNodeByNameAndNamespace(parentSchema, localName, getCurrentNamespace());
            if (childDataSchemaNodes.isEmpty()) {
                throw new IllegalStateException("Schema for node with name " + localName + " and namespace "
                        + getCurrentNamespace() + " doesn't exist.");
            }

            final AbstractNodeDataWithSchema newChild = ((CompositeNodeDataWithSchema) parent)
                    .addChild(childDataSchemaNodes);
            if (newChild instanceof AnyXmlNodeDataWithSchema) {
                readAnyXmlValue(in, (AnyXmlNodeDataWithSchema) newChild, jsonElementName);
            } else {
                read(in, newChild);
            }
            removeNamespace();
        }
        in.endObject();
        return;
    case END_DOCUMENT:
    case NAME:
    case END_OBJECT:
    case END_ARRAY:
        break;
    }
}

---

From source file:org.openstreetmap.josm.plugins.openstreetcam.service.photo.adapter.PhotoTypeAdapter.java

License:LGPL

@Override
public Photo read(final JsonReader reader) throws IOException {
    Double latitude = null;//from   w  w w . ja  v  a2  s. co  m
    Double longitude = null;
    final PhotoBuilder builder = new PhotoBuilder();
    reader.beginObject();
    while (reader.hasNext()) {
        switch (reader.nextName()) {
        case PHOTO_ID:
            builder.id(ReaderUtil.readLong(reader));
            break;
        case PHOTO_SEQUENCE_ID:
            builder.sequenceId(ReaderUtil.readLong(reader));
            break;
        case PHOTO_SEQUENCE_IDX:
            builder.sequenceIndex(ReaderUtil.readInt(reader));
            break;
        case PHOTO_LATITUDE:
            latitude = ReaderUtil.readDouble(reader);
            break;
        case PHOTO_LONGITUDE:
            longitude = ReaderUtil.readDouble(reader);
            break;
        case PHOTO_NAME:
            builder.name(ReaderUtil.readString(reader));
            break;
        case PHOTO_LTH_NAME:
            builder.largeThumbnailName(ReaderUtil.readString(reader));
            break;
        case PHOTO_TH_NAME:
            builder.thumbnailName(ReaderUtil.readString(reader));
            break;
        case PHOTO_ORI_NAME:
            builder.oriName(ReaderUtil.readString(reader));
            break;
        case PHOTO_TIMESTAMP:
            builder.timestamp(ReaderUtil.readLong(reader));
            break;
        case PHOTO_HEADING:
            final String value = ReaderUtil.readString(reader);
            final Double heading = value != null && !value.isEmpty() ? Double.parseDouble(value) : null;
            builder.heading(heading);
            break;
        case PHOTO_USERNAME:
            builder.username(ReaderUtil.readString(reader));
            break;
        case WAY_ID:
            final String wayIdValue = ReaderUtil.readString(reader);
            final Long wayId = wayIdValue != null && !wayIdValue.isEmpty() ? Long.parseLong(wayIdValue) : null;
            builder.wayId(wayId);
            break;
        case PHOTO_SHOT_DATE:
            builder.shotDate(ReaderUtil.readString(reader));
            break;
        default:
            reader.skipValue();
            break;
        }
    }
    if (latitude != null && longitude != null) {
        builder.point(latitude, longitude);
    }
    reader.endObject();
    return builder.build();
}

---

From source file:org.openstreetmap.josm.plugins.openstreetcam.service.photo.adapter.SegmentTypeAdapter.java

License:LGPL

@Override
public Segment read(final JsonReader reader) throws IOException {
    final SegmentBuilder builder = new SegmentBuilder();
    reader.beginObject();
    while (reader.hasNext()) {
        switch (reader.nextName()) {
        case SEGMENT_ID:
            builder.id(ReaderUtil.readString(reader));
            break;
        case SEGMENT_FROM:
            builder.from(ReaderUtil.readLong(reader));
            break;
        case SEGMENT_TO:
            builder.to(ReaderUtil.readLong(reader));
            break;
        case WAY_ID:
            builder.wayId(ReaderUtil.readLong(reader));
            break;
        case SEGMENT_COVERAGE:
            builder.coverage(ReaderUtil.readInt(reader));
            break;
        case SEGMENT_GEOMETRY:
            builder.geometry(ReaderUtil.readGeometry(reader));
            break;
        default:/*from w  w w .ja v a 2s . c  o m*/
            reader.skipValue();
            break;
        }
    }
    reader.endObject();
    return builder.build();
}

---

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