List of usage examples for com.google.gson.stream JsonReader peek
public JsonToken peek() throws IOException
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 2s.co m
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.bimserver.emf.SharedJsonDeserializer.java
License:Open Source License
private Object readPrimitive(JsonReader jsonReader, EStructuralFeature eStructuralFeature) throws IOException { EClassifier eClassifier = eStructuralFeature.getEType(); if (eClassifier == EcorePackage.eINSTANCE.getEString()) { return jsonReader.nextString(); } else if (eClassifier == EcorePackage.eINSTANCE.getEDouble()) { return jsonReader.nextDouble(); } else if (eClassifier == EcorePackage.eINSTANCE.getEBoolean()) { return jsonReader.nextBoolean(); } else if (eClassifier == EcorePackage.eINSTANCE.getEInt()) { return jsonReader.nextInt(); } else if (eClassifier == EcorePackage.eINSTANCE.getELong()) { return jsonReader.nextLong(); } else if (eClassifier == EcorePackage.eINSTANCE.getEIntegerObject()) { return jsonReader.nextInt(); } else if (eClassifier == EcorePackage.eINSTANCE.getEByteArray()) { return Base64.decodeBase64(jsonReader.nextString()); } else if (eClassifier == EcorePackage.eINSTANCE.getEDate()) { long timestamp = jsonReader.nextLong(); return new Date(timestamp); } else if (eClassifier == EcorePackage.eINSTANCE.getEFloat()) { return (float) jsonReader.nextDouble(); } else if (eClassifier == EcorePackage.eINSTANCE.getEEnum()) { EEnum eEnum = (EEnum) eStructuralFeature.getEType(); return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance(); } else if (eClassifier instanceof EClass) { if (eStructuralFeature.getEType().getName().equals("IfcGloballyUniqueId")) { IfcGloballyUniqueId ifcGloballyUniqueId = Ifc2x3tc1Factory.eINSTANCE.createIfcGloballyUniqueId(); ifcGloballyUniqueId.setWrappedValue(jsonReader.nextString()); return ifcGloballyUniqueId; } else {/*from w w w . j a v a2 s . com*/ throw new RuntimeException(); } } else if (eClassifier instanceof EEnum) { EEnum eEnum = (EEnum) eStructuralFeature.getEType(); if (jsonReader.peek() == JsonToken.BOOLEAN) { return eEnum.getEEnumLiteral(jsonReader.nextBoolean() ? "TRUE" : "FALSE").getInstance(); } else { return eEnum.getEEnumLiteral(jsonReader.nextString()).getInstance(); } } else { throw new RuntimeException("Unimplemented type " + eStructuralFeature.getEType().getName()); } }
From source file:org.cgiar.ccafs.marlo.utils.BigDecimalTypeAdapter.java
License:Open Source License
@Override public BigDecimal read(JsonReader jsonReader) throws IOException { if (jsonReader.peek() == JsonToken.NULL) { jsonReader.nextNull();//w ww .j a v a 2s. c o m return null; } try { String value = jsonReader.nextString(); if (value.contains("%")) { value = value.replace("%", ""); } if ("".equals(value)) { return new BigDecimal(0); } return BigDecimal.valueOf(Double.parseDouble(value)); } catch (NumberFormatException e) { return new BigDecimal(0); } }
From source file:org.cgiar.ccafs.marlo.utils.DateTypeAdapter.java
License:Open Source License
@Override public Date read(JsonReader in) throws IOException { if (in.peek() == JsonToken.NULL) { in.nextNull();// ww w . ja va2 s. com return null; } return this.deserializeToDate(in.nextString()); }
From source file:org.cgiar.ccafs.marlo.utils.DoubleTypeAdapter.java
License:Open Source License
@Override public Double read(JsonReader jsonReader) throws IOException { if (jsonReader.peek() == JsonToken.NULL) { jsonReader.nextNull();/* w w w. j a v a 2 s.co m*/ return null; } try { String value = jsonReader.nextString(); if (value.contains("%")) { value = value.replace("%", ""); } if ("".equals(value)) { return new Double(0); } return Double.valueOf(Double.parseDouble(value)); } catch (NumberFormatException e) { return new Double(0); } }
From source file:org.cgiar.ccafs.marlo.utils.FloatTypeAdapter.java
License:Open Source License
@Override public Float read(JsonReader jsonReader) throws IOException { if (jsonReader.peek() == JsonToken.NULL) { jsonReader.nextNull();//from w w w . java 2s .co m return null; } try { String value = jsonReader.nextString(); if (value.contains("%")) { value = value.replace("%", ""); } if ("".equals(value)) { return new Float(0); } return Float.valueOf(Float.parseFloat(value)); } catch (NumberFormatException e) { return new Float(0); } }
From source file:org.cgiar.ccafs.marlo.utils.IntegerTypeAdapter.java
License:Open Source License
@Override public Number read(JsonReader jsonReader) throws IOException { if (jsonReader.peek() == JsonToken.NULL) { jsonReader.nextNull();//from w w w .j a va 2 s . c o m return null; } try { String value = jsonReader.nextString(); if ("".equals(value)) { return 0; } return Integer.parseInt(value); } catch (NumberFormatException e) { return null; } }
From source file:org.cgiar.ccafs.marlo.utils.LongTypeAdapter.java
License:Open Source License
@Override public Long read(JsonReader reader) throws IOException { if (reader.peek() == JsonToken.NULL) { reader.nextNull();// w w w. j av a2 s.c om return null; } String stringValue = reader.nextString(); // stringValue = stringValue.replaceAll(",", ""); try { Long value = NumberFormat.getNumberInstance(java.util.Locale.US).parse(stringValue).longValue(); return value; } catch (Exception e) { return null; } }
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 v a 2 s .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.dice_research.topicmodeling.io.json.AbstractDocumentJsonReader.java
License:Open Source License
public Document readDocument(JsonReader reader) { try {//from ww w . jav a 2s. com // 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; } }