List of usage examples for com.google.gson.stream JsonReader hasNext
public boolean hasNext() throws IOException
From source file:org.bimserver.client.ClientIfcModel.java
License:Open Source License
@SuppressWarnings({ "unused", "resource" })
public void getGeometry(IfcProduct ifcProduct) {
try {/*from w w w. j a v a 2 s .c o m*/
Long downloadByOids = bimServerClient.getBimsie1ServiceInterface().downloadByOids(
Collections.singleton(roid), Collections.singleton(ifcProduct.getOid()),
getJsonGeometrySerializerOid(), true, false);
InputStream downloadData = bimServerClient.getDownloadData(downloadByOids,
getJsonGeometrySerializerOid());
JsonReader jsonReader = new JsonReader(new InputStreamReader(downloadData));
jsonReader.beginObject();
if (jsonReader.nextName().equals("geometry")) {
jsonReader.beginArray();
while (jsonReader.hasNext()) {
jsonReader.beginObject();
if (jsonReader.nextName().equals("material")) {
String material = jsonReader.nextString();
if (jsonReader.nextName().equals("type")) {
String type = jsonReader.nextString();
if (jsonReader.nextName().equals("coreId")) {
String coreid = jsonReader.nextString();
if (jsonReader.nextName().equals("primitive")) {
String primitive = jsonReader.nextString();
if (jsonReader.nextName().equals("positions")) {
jsonReader.beginArray();
while (jsonReader.hasNext()) {
double position = jsonReader.nextDouble();
}
jsonReader.endArray();
if (jsonReader.nextName().equals("normals")) {
jsonReader.beginArray();
while (jsonReader.hasNext()) {
double normal = jsonReader.nextDouble();
}
jsonReader.endArray();
if (jsonReader.nextName().equals("nrindices")) {
int nrindices = jsonReader.nextInt();
}
}
}
}
}
}
}
jsonReader.endObject();
}
jsonReader.endArray();
}
jsonReader.endObject();
} catch (Exception e) {
LOGGER.error("", e);
}
}
From source file:org.bimserver.deserializers.JsonDeserializer.java
License:Open Source License
@SuppressWarnings({ "rawtypes", "unchecked" })
@Override//from ww w . ja v a 2 s.c o m
public IfcModelInterface read(InputStream in, String filename, long fileSize) throws DeserializeException {
IfcModelInterface model = new IfcModel();
WaitingList<Long> waitingList = new WaitingList<Long>();
JsonReader jsonReader = new JsonReader(new InputStreamReader(in));
try {
jsonReader.beginObject();
if (jsonReader.nextName().equals("objects")) {
jsonReader.beginArray();
while (jsonReader.hasNext()) {
jsonReader.beginObject();
if (jsonReader.nextName().equals("__oid")) {
long oid = jsonReader.nextLong();
if (jsonReader.nextName().equals("__type")) {
String type = jsonReader.nextString();
EClass eClass = (EClass) Ifc2x3tc1Package.eINSTANCE.getEClassifier(type);
if (eClass == null) {
throw new DeserializeException("No class found with name " + type);
}
IdEObject object = (IdEObject) Ifc2x3tc1Factory.eINSTANCE.create(eClass);
// ((IdEObjectImpl) object).setDelegate(new
// ClientDelegate(this, object, null));
((IdEObjectImpl) object).setOid(oid);
model.add(object.getOid(), object);
while (jsonReader.hasNext()) {
String featureName = jsonReader.nextName();
boolean embedded = false;
if (featureName.startsWith("__ref")) {
featureName = featureName.substring(5);
} else if (featureName.startsWith("__emb")) {
embedded = true;
featureName = featureName.substring(5);
}
EStructuralFeature eStructuralFeature = eClass.getEStructuralFeature(featureName);
if (eStructuralFeature == null) {
throw new DeserializeException(
"Unknown field (" + featureName + ") on class " + eClass.getName());
}
if (eStructuralFeature.isMany()) {
jsonReader.beginArray();
if (eStructuralFeature instanceof EAttribute) {
List list = (List) object.eGet(eStructuralFeature);
List<String> stringList = null;
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE
.getEDoubleObject()
|| eStructuralFeature.getEType() == EcorePackage.eINSTANCE
.getEDouble()) {
EStructuralFeature asStringFeature = eClass.getEStructuralFeature(
eStructuralFeature.getName() + "AsString");
stringList = (List<String>) object.eGet(asStringFeature);
}
while (jsonReader.hasNext()) {
Object e = readPrimitive(jsonReader, eStructuralFeature);
list.add(e);
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE
.getEDouble()) {
double val = (Double) e;
stringList.add("" + val); // TODO
// this
// is
// losing
// precision,
// maybe
// also
// send
// the
// string
// value?
}
}
} else if (eStructuralFeature instanceof EReference) {
int index = 0;
while (jsonReader.hasNext()) {
if (embedded) {
List list = (List) object.eGet(eStructuralFeature);
jsonReader.beginObject();
if (jsonReader.nextName().equals("__type")) {
String t = jsonReader.nextString();
IdEObject wrappedObject = (IdEObject) Ifc2x3tc1Factory.eINSTANCE
.create((EClass) Ifc2x3tc1Package.eINSTANCE
.getEClassifier(t));
if (jsonReader.nextName().equals("value")) {
EStructuralFeature wv = wrappedObject.eClass()
.getEStructuralFeature("wrappedValue");
wrappedObject.eSet(wv, readPrimitive(jsonReader, wv));
list.add(wrappedObject);
} else {
// error
}
}
jsonReader.endObject();
} else {
long refOid = jsonReader.nextLong();
waitingList.add(refOid,
new ListWaitingObject(object, eStructuralFeature, index));
index++;
}
}
}
jsonReader.endArray();
} else {
if (eStructuralFeature instanceof EAttribute) {
Object x = readPrimitive(jsonReader, eStructuralFeature);
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE.getEDouble()) {
EStructuralFeature asStringFeature = object.eClass()
.getEStructuralFeature(
eStructuralFeature.getName() + "AsString");
object.eSet(asStringFeature, "" + x); // TODO
// this
// is
// losing
// precision,
// maybe
// also
// send
// the
// string
// value?
}
object.eSet(eStructuralFeature, x);
} else if (eStructuralFeature instanceof EReference) {
if (eStructuralFeature.getName().equals("GlobalId")) {
IfcGloballyUniqueId globallyUniqueId = Ifc2x3tc1Factory.eINSTANCE
.createIfcGloballyUniqueId();
globallyUniqueId.setWrappedValue(jsonReader.nextString());
object.eSet(eStructuralFeature, globallyUniqueId);
} else if (embedded) {
jsonReader.beginObject();
if (jsonReader.nextName().equals("__type")) {
String t = jsonReader.nextString();
IdEObject wrappedObject = (IdEObject) Ifc2x3tc1Factory.eINSTANCE
.create((EClass) Ifc2x3tc1Package.eINSTANCE
.getEClassifier(t));
if (jsonReader.nextName().equals("value")) {
EStructuralFeature wv = wrappedObject.eClass()
.getEStructuralFeature("wrappedValue");
wrappedObject.eSet(wv, readPrimitive(jsonReader, wv));
object.eSet(eStructuralFeature, wrappedObject);
} else {
// error
}
}
jsonReader.endObject();
} else {
waitingList.add(jsonReader.nextLong(),
new SingleWaitingObject(object, eStructuralFeature));
}
}
}
}
if (waitingList.containsKey(oid)) {
waitingList.updateNode(oid, eClass, object);
}
}
}
jsonReader.endObject();
}
jsonReader.endArray();
}
jsonReader.endObject();
} catch (IOException e1) {
e1.printStackTrace();
} catch (IfcModelInterfaceException e1) {
e1.printStackTrace();
} finally {
try {
jsonReader.close();
} catch (IOException e) {
e.printStackTrace();
}
}
return model;
}
From source file:org.bimserver.emf.SharedJsonDeserializer.java
License:Open Source License
@SuppressWarnings("rawtypes") public IfcModelInterface read(InputStream in, IfcModelInterface model, boolean checkWaitingList) throws DeserializeException { if (model.getPackageMetaData().getSchemaDefinition() == null) { throw new DeserializeException("No SchemaDefinition available"); }/*w w w .j a va 2 s .com*/ WaitingList<Long> waitingList = new WaitingList<Long>(); final boolean log = false; if (log) { ByteArrayOutputStream baos = new ByteArrayOutputStream(); try { IOUtils.copy(in, baos); File file = new File("debug.json"); System.out.println(file.getAbsolutePath()); FileUtils.writeByteArrayToFile(file, baos.toByteArray()); } catch (IOException e) { e.printStackTrace(); } in = new ByteArrayInputStream(baos.toByteArray()); } JsonReader jsonReader = new JsonReader(new InputStreamReader(in, Charsets.UTF_8)); int nrObjects = 0; try { JsonToken peek = jsonReader.peek(); if (peek != null && peek == JsonToken.BEGIN_OBJECT) { jsonReader.beginObject(); peek = jsonReader.peek(); while (peek == JsonToken.NAME) { String nextName = jsonReader.nextName(); if (nextName.equals("objects")) { jsonReader.beginArray(); while (jsonReader.hasNext()) { nrObjects++; processObject(model, waitingList, jsonReader, null); } jsonReader.endArray(); } else if (nextName.equals("header")) { IfcHeader ifcHeader = (IfcHeader) processObject(model, waitingList, jsonReader, StorePackage.eINSTANCE.getIfcHeader()); model.getModelMetaData().setIfcHeader(ifcHeader); } peek = jsonReader.peek(); } jsonReader.endObject(); } } catch (IOException e) { LOGGER.error("", e); } catch (IfcModelInterfaceException e) { LOGGER.error("", e); } finally { LOGGER.info("# Objects: " + nrObjects); try { jsonReader.close(); } catch (IOException e) { LOGGER.error("", e); } } boolean checkUnique = false; if (checkUnique) { for (IdEObject idEObject : model.getValues()) { for (EStructuralFeature eStructuralFeature : idEObject.eClass().getEAllStructuralFeatures()) { Object value = idEObject.eGet(eStructuralFeature); if (eStructuralFeature instanceof EReference) { if (eStructuralFeature.isMany()) { List list = (List) value; if (eStructuralFeature.isUnique()) { Set<Object> t = new HashSet<>(); for (Object v : list) { if (t.contains(v)) { // LOGGER.error("NOT UNIQUE " + idEObject.eClass().getName() + "." + eStructuralFeature.getName()); } t.add(v); } } } } } } } if (checkWaitingList && waitingList.size() > 0) { try { waitingList.dumpIfNotEmpty(); } catch (BimServerClientException e) { e.printStackTrace(); } throw new DeserializeException("Waitinglist should be empty (" + waitingList.size() + ")"); } return model; }
From source file:org.bimserver.emf.SharedJsonDeserializer.java
License:Open Source License
@SuppressWarnings({ "rawtypes", "unchecked" })
private IdEObject processObject(IfcModelInterface model, WaitingList<Long> waitingList, JsonReader jsonReader,
EClass eClass) throws IOException, DeserializeException, IfcModelInterfaceException {
IdEObjectImpl object = null;/*from ww w.j av a 2 s . com*/
jsonReader.beginObject();
if (jsonReader.nextName().equals("_i")) {
long oid = jsonReader.nextLong();
if (jsonReader.nextName().equals("_t")) {
String type = jsonReader.nextString();
if (eClass == null) {
eClass = model.getPackageMetaData().getEClassIncludingDependencies(type);
}
if (eClass == null) {
throw new DeserializeException("No class found with name " + type);
}
if (model.containsNoFetch(oid)) {
object = (IdEObjectImpl) model.getNoFetch(oid);
} else {
if (eClass == StorePackage.eINSTANCE.getIfcHeader()) {
object = (IdEObjectImpl) StoreFactory.eINSTANCE.createIfcHeader();
} else {
object = (IdEObjectImpl) model.create(eClass, oid);
}
}
if (jsonReader.nextName().equals("_s")) {
int state = jsonReader.nextInt();
if (state == 1) {
object.setLoadingState(State.LOADED);
while (jsonReader.hasNext()) {
String featureName = jsonReader.nextName();
boolean embedded = false;
if (featureName.startsWith("_r")) {
featureName = featureName.substring(2);
} else if (featureName.startsWith("_e")) {
embedded = true;
featureName = featureName.substring(2);
}
EStructuralFeature eStructuralFeature = eClass.getEStructuralFeature(featureName);
if (eStructuralFeature == null) {
throw new DeserializeException(
"Unknown field (" + featureName + ") on class " + eClass.getName());
}
if (eStructuralFeature.isMany()) {
jsonReader.beginArray();
if (eStructuralFeature instanceof EAttribute) {
List list = (List) object.eGet(eStructuralFeature);
List<String> stringList = null;
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE.getEDoubleObject()
|| eStructuralFeature.getEType() == EcorePackage.eINSTANCE
.getEDouble()) {
EStructuralFeature asStringFeature = eClass
.getEStructuralFeature(eStructuralFeature.getName() + "AsString");
stringList = (List<String>) object.eGet(asStringFeature);
}
while (jsonReader.hasNext()) {
Object e = readPrimitive(jsonReader, eStructuralFeature);
list.add(e);
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE.getEDouble()) {
double val = (Double) e;
stringList.add("" + val); // TODO
// this
// is
// losing
// precision,
// maybe
// also
// send
// the
// string
// value?
}
}
} else if (eStructuralFeature instanceof EReference) {
int index = 0;
AbstractEList list = (AbstractEList) object.eGet(eStructuralFeature);
while (jsonReader.hasNext()) {
if (embedded) {
JsonToken peek = jsonReader.peek();
if (peek == JsonToken.NUMBER) {
long refOid = jsonReader.nextLong();
processRef(model, waitingList, object, eStructuralFeature, index,
list, refOid);
} else {
jsonReader.beginObject();
String nextName = jsonReader.nextName();
if (nextName.equals("_t")) {
String t = jsonReader.nextString();
IdEObject wrappedObject = (IdEObject) model
.create(model.getPackageMetaData().getEClass(t), -1);
if (jsonReader.nextName().equals("_v")) {
EStructuralFeature wv = wrappedObject.eClass()
.getEStructuralFeature("wrappedValue");
wrappedObject.eSet(wv, readPrimitive(jsonReader, wv));
list.add(wrappedObject);
} else {
// error
}
} else if (nextName.equals("_i")) {
// Not all are embedded...
long refOid = jsonReader.nextLong();
processRef(model, waitingList, object, eStructuralFeature,
index, list, refOid);
}
jsonReader.endObject();
}
} else {
long refOid = jsonReader.nextLong();
processRef(model, waitingList, object, eStructuralFeature, index, list,
refOid);
}
index++;
}
}
jsonReader.endArray();
} else {
if (eStructuralFeature instanceof EAttribute) {
Object x = readPrimitive(jsonReader, eStructuralFeature);
if (eStructuralFeature.getEType() == EcorePackage.eINSTANCE.getEDouble()) {
EStructuralFeature asStringFeature = object.eClass()
.getEStructuralFeature(eStructuralFeature.getName() + "AsString");
if (asStringFeature != null) {
object.eSet(asStringFeature, "" + x); // TODO
}
// this
// is
// losing
// precision,
// maybe
// also
// send
// the
// string
// value?
}
object.eSet(eStructuralFeature, x);
} else if (eStructuralFeature instanceof EReference) {
if (eStructuralFeature.getName().equals("GlobalId")) {
IfcGloballyUniqueId globallyUniqueId = Ifc2x3tc1Factory.eINSTANCE
.createIfcGloballyUniqueId();
globallyUniqueId.setWrappedValue(jsonReader.nextString());
object.eSet(eStructuralFeature, globallyUniqueId);
} else if (embedded) {
jsonReader.beginObject();
if (jsonReader.nextName().equals("_t")) {
String t = jsonReader.nextString();
IdEObject wrappedObject = (IdEObject) model.create(
model.getPackageMetaData().getEClassIncludingDependencies(t),
-1);
if (eStructuralFeature.getEAnnotation("dbembed") != null) {
for (EStructuralFeature eStructuralFeature2 : wrappedObject.eClass()
.getEAllStructuralFeatures()) {
String fn = jsonReader.nextName();
if (fn.equals(eStructuralFeature2.getName())) {
wrappedObject.eSet(eStructuralFeature2,
readPrimitive(jsonReader, eStructuralFeature2));
} else {
throw new DeserializeException(
fn + " / " + eStructuralFeature2.getName());
}
}
object.eSet(eStructuralFeature, wrappedObject);
} else {
if (jsonReader.nextName().equals("_v")) {
EStructuralFeature wv = wrappedObject.eClass()
.getEStructuralFeature("wrappedValue");
wrappedObject.eSet(wv, readPrimitive(jsonReader, wv));
object.eSet(eStructuralFeature, wrappedObject);
}
}
}
jsonReader.endObject();
} else {
long refOid = jsonReader.nextLong();
boolean isInverse = false;
EntityDefinition entityBN = model.getPackageMetaData().getSchemaDefinition()
.getEntityBN(object.eClass().getName());
if (entityBN != null) {
// Some entities like GeometryInfo/Data are not in IFC schema, but valid
Attribute attributeBN = entityBN
.getAttributeBNWithSuper(eStructuralFeature.getName());
if (attributeBN != null) {
if (attributeBN instanceof InverseAttribute) {
isInverse = true;
}
}
}
if (!isInverse) {
if (model.contains(refOid)) {
object.eSet(eStructuralFeature, model.get(refOid));
} else {
waitingList.add(refOid, new SingleWaitingObject(-1, object,
(EReference) eStructuralFeature));
}
}
}
}
}
}
} else {
// state not_loaded
}
if (waitingList.containsKey(oid)) {
waitingList.updateNode(oid, eClass, object);
}
model.add(object.getOid(), object);
} else {
LOGGER.info("_s expected");
}
} else {
LOGGER.info("_t expected");
}
} else {
LOGGER.info("_i expected");
}
jsonReader.endObject();
return object;
}
From source file:org.cgiar.ccafs.marlo.utils.StringTypeAdapter.java
License:Open Source License
@Override public String read(JsonReader jsonReader) throws IOException { if (jsonReader.peek() == JsonToken.NULL) { jsonReader.nextNull();// w w w . j a va 2s . c o m return null; } try { String value = jsonReader.nextString(); return value; } catch (IllegalStateException e) { String values = ""; jsonReader.beginArray(); while (jsonReader.hasNext()) { if (values.length() < 1) { values = jsonReader.nextString(); } else { values = values + "," + jsonReader.nextString(); } } jsonReader.endArray(); return values; } }
From source file:org.cyanogenmod.changelog.ChangelogParser.java
License:Open Source License
/** * Read a Collection of ChangeInfo JSON entities * See http://review.cyanogenmod.org/Documentation/rest-api.html * @param reader the JsonReader to use/*from w ww . ja v a 2 s. c o m*/ * @return a List of Changes * @throws IOException */ private List<Change> parseChangeInfoList(JsonReader reader) throws IOException { List<Change> changes = new LinkedList<>(); reader.beginArray(); while (reader.hasNext()) { Change newChange = parseChangeInfo(reader); // check if its a legit change if (newChange.isDeviceSpecific()) changes.add(newChange); } reader.endArray(); return changes; }
From source file:org.cyanogenmod.changelog.ChangelogParser.java
License:Open Source License
/** * Read ChangeInfo JSON entity//from w w w . ja v a 2s. c om * See http://review.cyanogenmod.org/Documentation/rest-api.html * @param reader the JsonReader to use * @return the parsed Change. * @throws IOException */ private Change parseChangeInfo(JsonReader reader) throws IOException { Change change = new Change(); reader.beginObject(); while (reader.hasNext()) { switch (reader.nextName()) { case "_number": change.setChangeId(reader.nextString()); break; case "project": change.setProject(reader.nextString()); break; case "subject": change.setSubject(reader.nextString()); break; case "updated": change.setLastUpdate(parseTimestamp(reader.nextString())); break; case "insertions": change.setInsertions(reader.nextInt()); break; case "deletions": change.setDeletions(reader.nextInt()); break; default: reader.skipValue(); } } reader.endObject(); return change; }
From source file:org.dice_research.topicmodeling.io.json.AbstractDocumentJsonReader.java
License:Open Source License
public Document readDocument(JsonReader reader) { try {/*from w ww. j av a2 s . co m*/ // Check that an object begins if ((!reader.hasNext()) && (!JsonToken.BEGIN_OBJECT.equals(reader.peek()))) { return null; } } catch (IOException e) { LOGGER.warn("Got an IOException when trying to check whether a JSON object begins. Moving on.", e); } try { return gson.fromJson(reader, Document.class); } catch (Exception e) { LOGGER.error("Couldn't read document from JSON. Returning null.", e); return null; } }
From source file:org.eclipse.lsp4j.adapters.HoverTypeAdapter.java
License:Open Source License
public Hover read(final JsonReader in) throws IOException { JsonToken nextToken = in.peek();/*from w w w .j a v a 2s . c om*/ if (nextToken == JsonToken.NULL) { return null; } Hover result = new Hover(); in.beginObject(); while (in.hasNext()) { String name = in.nextName(); switch (name) { case "contents": result.setContents(readContents(in)); break; case "range": result.setRange(readRange(in)); break; default: in.skipValue(); } } in.endObject(); return result; }
From source file:org.eclipse.lsp4j.adapters.InitializeParamsTypeAdapter.java
License:Open Source License
public InitializeParams read(final JsonReader in) throws IOException { JsonToken nextToken = in.peek();//from w ww .j av a 2 s . co m if (nextToken == JsonToken.NULL) { return null; } InitializeParams result = new InitializeParams(); in.beginObject(); while (in.hasNext()) { String name = in.nextName(); switch (name) { case "processId": result.setProcessId(readProcessId(in)); break; case "rootPath": result.setRootPath(readRootPath(in)); break; case "rootUri": result.setRootUri(readRootUri(in)); break; case "initializationOptions": result.setInitializationOptions(readInitializationOptions(in)); break; case "capabilities": result.setCapabilities(readCapabilities(in)); break; case "clientName": result.setClientName(readClientName(in)); break; case "trace": result.setTrace(readTrace(in)); break; case "workspaceFolders": result.setWorkspaceFolders(readWorkspaceFolders(in)); break; default: in.skipValue(); } } in.endObject(); return result; }