Java Code Examples for javax.json.stream.JsonParser#Event
The following examples show how to use
javax.json.stream.JsonParser#Event .
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Example 1
| Source File: BookDeserializer.java From Java-EE-8-Sampler with MIT License | 6 votes |
|
@Override
public Book deserialize(JsonParser parser, DeserializationContext ctx, Type rtType) {
Book book = null;
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
if (event == JsonParser.Event.KEY_NAME) {
String className = parser.getString();
parser.next();
try {
book = ctx.deserialize(Class.forName(className).asSubclass(Book.class), parser);
} catch (ClassNotFoundException e) {
e.printStackTrace();
}
}
}
return book;
}
Example 2
| Source File: JsonpReader.java From incubator-batchee with Apache License 2.0 | 6 votes |
|
@Override
public void open(final Serializable checkpoint) throws Exception {
final ClassLoader loader = Thread.currentThread().getContextClassLoader();
final JsonProvider provider = this.provider == null ? JsonProvider.provider() : JsonProvider.class.cast(loader.loadClass(this.provider));
parser = provider.createParser(new FileInputStream(file));
reader = new JsonPartialReader(provider, parser);
if (skipRoot == null || "true".equalsIgnoreCase(skipRoot)) {
final JsonParser.Event event = parser.next();
if (event == JsonParser.Event.START_ARRAY) {
end = JsonParser.Event.END_ARRAY;
} else {
end = JsonParser.Event.END_OBJECT;
}
}
super.open(checkpoint);
}
Example 3
| Source File: WeatherServiceTest.java From tomee with Apache License 2.0 | 6 votes |
|
private List<JsonItem> convertToMap(String s) {
JsonParser expectedParser = Json.createParser(new StringReader(s));
List<JsonItem> list = new ArrayList<>();
while (expectedParser.hasNext()) {
JsonParser.Event event = expectedParser.next();
switch (event) {
case KEY_NAME:
case VALUE_STRING:
case VALUE_NUMBER:
list.add(new JsonItem(event, expectedParser.getValue().toString()));
break;
default:
list.add(new JsonItem(event));
}
}
return list;
}
Example 4
| Source File: Client.java From webex-java-sdk with MIT License | 6 votes |
|
public <T> LinkedResponse<List<T>> paginate(final Class<T> clazz, URL url) {
LinkedResponse.BodyCreator<List<T>> function = new LinkedResponse.BodyCreator<List<T>>() {
@Override
public List<T> create(InputStream istream) {
JsonParser parser = Json.createParser(istream);
Client.this.scrollToItemsArray(parser);
List<T> result = new ArrayList<T>();
for (JsonParser.Event event = parser.next();
event == JsonParser.Event.START_OBJECT;
event = parser.next()) {
result.add(readObject(clazz, parser));
}
return result;
}
};
try {
return new LinkedResponse<List<T>>(this, url, function);
} catch (IOException e) {
throw new SparkException("io error", e);
}
}
Example 5
| Source File: AuctionDataItemReader.java From wow-auctions with GNU General Public License v3.0 | 5 votes |
|
@Override
public Object readItem() throws Exception {
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
Auction auction = new Auction();
switch (event) {
case KEY_NAME:
if (readAuctionItem(auction)) {
return auction;
}
break;
}
}
return null;
}
Example 6
| Source File: JsonPartialReader.java From incubator-batchee with Apache License 2.0 | 5 votes |
|
public JsonStructure read(final JsonParser.Event event) {
switch (event) {
case START_OBJECT:
final JsonObjectBuilder objectBuilder = provider.createObjectBuilder();
parseObject(objectBuilder);
return objectBuilder.build();
case START_ARRAY:
final JsonArrayBuilder arrayBuilder = provider.createArrayBuilder();
parseArray(arrayBuilder);
return arrayBuilder.build();
default:
throw new JsonParsingException("Unknown structure: " + parser.next(), parser.getLocation());
}
}
Example 7
| Source File: JsonpReader.java From incubator-batchee with Apache License 2.0 | 5 votes |
|
@Override
protected Object doRead() throws Exception {
JsonParser.Event event;
do {
event = parser.next();
} while (
(event != JsonParser.Event.START_OBJECT && event != end) ||
(end == null && (event == JsonParser.Event.END_ARRAY ||
event == JsonParser.Event.END_OBJECT)));
if (!parser.hasNext()) {
return null;
}
return reader.read(event);
}
Example 8
| Source File: FEreturn.java From fido2 with GNU Lesser General Public License v2.1 | 5 votes |
|
/**
* Returns a pretty Json
* @param Input
* @return
*/
public String returnJSON(String Input) {
String JSON_FORMAT_STRING = "%-10s";
JsonParserFactory factory = Json.createParserFactory(null);
StringBuilder sb;
try (JsonParser parser = factory.createParser(new StringReader(Input))) {
sb = new StringBuilder();
sb.append("\n\t{\n");
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
switch (event) {
case KEY_NAME: {
sb.append("\t\t\"");
sb.append(String.format(JSON_FORMAT_STRING, parser.getString()));
sb.append("\" : \"");
break;
}
case VALUE_STRING: {
sb.append(parser.getString()).append("\",\n");
break;
}
}
} sb.append("\t}");
}
return sb.toString();
}
Example 9
| Source File: Client.java From webex-java-sdk with MIT License | 5 votes |
|
private void scrollToItemsArray(JsonParser parser) {
JsonParser.Event event;
while (parser.hasNext()) {
event = parser.next();
if (event == JsonParser.Event.KEY_NAME && parser.getString().equals("items")) {
break;
}
}
event = parser.next();
if (event != JsonParser.Event.START_ARRAY) {
throw new SparkException("bad json");
}
}
Example 10
| Source File: ActionMessage.java From sample.daytrader7 with Apache License 2.0 | 5 votes |
|
public void doDecoding(String jsonText) {
String keyName = null;
try
{
// JSON parse
JsonParser parser = Json.createParser(new StringReader(jsonText));
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
switch(event) {
case KEY_NAME:
keyName=parser.getString();
break;
case VALUE_STRING:
if (keyName != null && keyName.equals("action")) {
decodedAction=parser.getString();
}
break;
default:
break;
}
}
} catch (Exception e) {
Log.error("ActionMessage:doDecoding(" + jsonText + ") --> failed", e);
}
if (Log.doTrace()) {
if (decodedAction != null ) {
Log.trace("ActionMessage:doDecoding -- decoded action -->" + decodedAction + "<--");
} else {
Log.trace("ActionMessage:doDecoding -- decoded action -->null<--");
}
}
}
Example 11
| Source File: JsonpTest.java From ee8-sandbox with Apache License 2.0 | 5 votes |
|
@Test
public void testJsonParser() {
String key = "";
String value = "";
JsonParser parser = Json.createParser(JsonpTest.class.getResourceAsStream("/person.json"));
while (parser.hasNext()) {
JsonParser.Event e = parser.next();
System.out.print(e.name());
switch (e) {
case START_ARRAY:
if (key.equals("phoneNumbers")) {
parser.skipArray();
}
break;
case KEY_NAME:
key = parser.getString();
System.out.print(" - " + parser.getString());
break;
case VALUE_STRING:
System.out.print(" - " + parser.getString());
if ("name".equals(key)) {
value = parser.getString();
}
}
System.out.println();
}
assertEquals("Duke", value);
}
Example 12
| Source File: BookDeserializer.java From Java-EE-8-Sampler with MIT License | 5 votes |
|
@Override
public String deserialize(JsonParser parser, DeserializationContext ctx, Type rtType) {
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
if (event == JsonParser.Event.KEY_NAME) {
String keyName = parser.getString();
if (keyName.equals("id")) {
return ctx.deserialize(String.class, parser);
}
}
parser.next();
}
return "";
}
Example 13
| Source File: WeatherServiceTest.java From tomee with Apache License 2.0 | 4 votes |
|
JsonItem(JsonParser.Event event) {
this.event = event;
}
Example 14
| Source File: WeatherServiceTest.java From tomee with Apache License 2.0 | 4 votes |
|
JsonItem(JsonParser.Event event, String value) {
this.event = event;
this.value = value;
}
Example 15
| Source File: PingJSONP.java From sample.daytrader7 with Apache License 2.0 | 4 votes |
|
/**
* this is the main method of the servlet that will service all get
* requests.
*
* @param request
* HttpServletRequest
* @param responce
* HttpServletResponce
**/
@Override
public void doGet(HttpServletRequest req, HttpServletResponse res) throws ServletException, IOException {
try {
res.setContentType("text/html");
ServletOutputStream out = res.getOutputStream();
hitCount++;
// JSON generate
StringWriter sw = new StringWriter();
JsonGenerator generator = Json.createGenerator(sw);
generator.writeStartObject();
generator.write("initTime",initTime);
generator.write("hitCount", hitCount);
generator.writeEnd();
generator.flush();
String generatedJSON = sw.toString();
StringBuffer parsedJSON = new StringBuffer();
// JSON parse
JsonParser parser = Json.createParser(new StringReader(generatedJSON));
while (parser.hasNext()) {
JsonParser.Event event = parser.next();
switch(event) {
case START_ARRAY:
case END_ARRAY:
case START_OBJECT:
case END_OBJECT:
case VALUE_FALSE:
case VALUE_NULL:
case VALUE_TRUE:
break;
case KEY_NAME:
parsedJSON.append(parser.getString() + ":");
break;
case VALUE_STRING:
case VALUE_NUMBER:
parsedJSON.append(parser.getString() + " ");
break;
}
}
out.println("<html><head><title>Ping JSONP</title></head>"
+ "<body><HR><BR><FONT size=\"+2\" color=\"#000066\">Ping JSONP</FONT><BR>Generated JSON: " + generatedJSON + "<br>Parsed JSON: " + parsedJSON + "</body></html>");
} catch (Exception e) {
Log.error(e, "PingJSONP.doGet(...): general exception caught");
res.sendError(500, e.toString());
}
}
Example 16
| Source File: JsonPartialReader.java From incubator-batchee with Apache License 2.0 | 4 votes |
|
private void parseObject(final JsonObjectBuilder builder) {
String key = null;
while (parser.hasNext()) {
final JsonParser.Event next = parser.next();
switch (next) {
case KEY_NAME:
key = parser.getString();
break;
case VALUE_STRING:
builder.add(key, parser.getString());
break;
case START_OBJECT:
final JsonObjectBuilder subObject = provider.createObjectBuilder();
parseObject(subObject);
builder.add(key, subObject);
break;
case START_ARRAY:
final JsonArrayBuilder subArray = provider.createArrayBuilder();
parseArray(subArray);
builder.add(key, subArray);
break;
case VALUE_NUMBER:
if (parser.isIntegralNumber()) {
builder.add(key, parser.getLong());
} else {
builder.add(key, parser.getBigDecimal());
}
break;
case VALUE_NULL:
builder.addNull(key);
break;
case VALUE_TRUE:
builder.add(key, true);
break;
case VALUE_FALSE:
builder.add(key, false);
break;
case END_OBJECT:
return;
case END_ARRAY:
throw new JsonParsingException("']', shouldn't occur", parser.getLocation());
default:
throw new JsonParsingException(next.name() + ", shouldn't occur", parser.getLocation());
}
}
}
Example 17
| Source File: JsonPartialReader.java From incubator-batchee with Apache License 2.0 | 4 votes |
|
private void parseArray(final JsonArrayBuilder builder) {
while (parser.hasNext()) {
final JsonParser.Event next = parser.next();
switch (next) {
case VALUE_STRING:
builder.add(parser.getString());
break;
case VALUE_NUMBER:
if (parser.isIntegralNumber()) {
builder.add(parser.getLong());
} else {
builder.add(parser.getBigDecimal());
}
break;
case START_OBJECT:
JsonObjectBuilder subObject = provider.createObjectBuilder();
parseObject(subObject);
builder.add(subObject);
break;
case START_ARRAY:
JsonArrayBuilder subArray = provider.createArrayBuilder();
parseArray(subArray);
builder.add(subArray);
break;
case END_ARRAY:
return;
case VALUE_NULL:
builder.addNull();
break;
case VALUE_TRUE:
builder.add(true);
break;
case VALUE_FALSE:
builder.add(false);
break;
case KEY_NAME:
throw new JsonParsingException("array doesn't have keys", parser.getLocation());
case END_OBJECT:
throw new JsonParsingException("'}', shouldn't occur", parser.getLocation());
default:
throw new JsonParsingException(next.name() + ", shouldn't occur", parser.getLocation());
}
}
}
