List of usage examples for com.google.gson.reflect TypeToken getRawType
public final Class<? super T> getRawType()
From source file:org.brunocvcunha.digesteroids.Digesteroids.java
License:Apache License
/** * Convert given original object to targetType, using the mappings from the source parameter. * @param source Source name/*w ww. jav a2 s . c om*/ * @param original Original data * @param targetType Target type * @return Converted object * @throws InstantiationException Can not create instance of target object * @throws IllegalAccessException Access violation * @param <T> Type to return */ public <T> T convertObjectToType(String source, Object original, Type targetType) throws InstantiationException, IllegalAccessException { if (original == null) { return null; } TypeToken<T> typeToken = (TypeToken<T>) TypeToken.get(targetType); Class<T> targetClass = (Class<T>) typeToken.getRawType(); T target = targetClass.newInstance(); // at this point, we starting doing comparisons for (Field entryField : targetClass.getDeclaredFields()) { entryField.setAccessible(true); DigesterMapping reference = null; try { DigesterMapping[] references = entryField.getAnnotationsByType(DigesterMapping.class); for (DigesterMapping candidate : references) { if (candidate.source().equalsIgnoreCase(source)) { reference = candidate; break; } } } catch (Exception e) { // it's ok } if (reference != null) { log.debug("Found reference, using field: " + reference.value() + ". Field name: " + entryField.getName() + ", Base Class: " + targetClass + ", object: " + original.getClass()); PropertyDescriptor descriptor; Method writerMethod; try { descriptor = new PropertyDescriptor(entryField.getName(), targetClass); writerMethod = descriptor.getWriteMethod(); } catch (Exception e) { e.printStackTrace(); log.warn("Exception converting record: ", e); continue; } Type valueType = writerMethod.getGenericParameterTypes()[0]; log.debug("Reference for field " + entryField.getName() + " - " + reference); Object resolvedValue = resolveValue(original, reference, valueType); if (resolvedValue != null) { try { if (reference.trim() && resolvedValue instanceof String) { resolvedValue = ((String) resolvedValue).replaceAll("", " ") .replaceAll("[\\s\\t]", " ").trim(); } invokeSetter(target, writerMethod, resolvedValue); } catch (Exception e) { e.printStackTrace(); } } } } return target; }
From source file:org.brunocvcunha.digesteroids.Digesteroids.java
License:Apache License
/** * @param originalData Original data to resolve * @param reference Reference annotation * @param valueType Value to return//from w w w. j av a 2 s. c om * @return Value resolved based on the annotation * @throws InstantiationException Can not create instance of target object * @throws IllegalAccessException Access violation */ public Object resolveValue(Object originalData, DigesterMapping reference, Type valueType) throws InstantiationException, IllegalAccessException { TypeToken<?> typeToken = TypeToken.get(valueType); Class<?> targetClass = typeToken.getRawType(); Object resolvedValue = null; if (reference.refType() == ReferenceTypeEnum.NORMAL) { resolvedValue = resolveValueNormal(reference.source(), originalData, reference.value(), valueType, targetClass); } else if (reference.refType() == ReferenceTypeEnum.PASS_THROUGH) { resolvedValue = resolveValuePassthrough(reference.source(), originalData, valueType, targetClass); } else if (reference.refType() == ReferenceTypeEnum.JSON_PATH) { resolvedValue = resolveValueJsonPath(originalData, reference.value()); } else if (reference.refType() == ReferenceTypeEnum.HTML_ID) { resolvedValue = resolveValueHTMLId(originalData, reference.value(), reference.htmlText(), reference.textNode(), reference.attribute()); } else if (reference.refType() == ReferenceTypeEnum.HTML_CSS) { resolvedValue = resolveValueHTMLCss(originalData, reference.value(), reference.htmlText(), reference.textNode(), reference.attribute()); } else if (reference.refType() == ReferenceTypeEnum.HTML_XPATH) { resolvedValue = resolveValueHTMLXPath(originalData, reference.value(), reference.htmlText(), reference.textNode(), reference.attribute()); } else if (reference.refType() == ReferenceTypeEnum.HARDCODE) { resolvedValue = reference.value(); } // make sure that it's the type Object returnValue = caster.cast(resolvedValue, valueType); if (reference.rule() != null && !reference.rule().isInterface()) { return reference.rule().newInstance().apply(returnValue); } return returnValue; }
From source file:org.codice.admin.router.RuntimeTypeAdapterFactory.java
License:Open Source License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (null == type || !baseType.isAssignableFrom(type.getRawType())) { return null; }/* www .j a va 2 s . c om*/ final Map<String, TypeAdapter<?>> labelToDelegate = new LinkedHashMap<String, TypeAdapter<?>>(); final Map<Class<?>, TypeAdapter<?>> subtypeToDelegate = new LinkedHashMap<Class<?>, TypeAdapter<?>>(); for (Map.Entry<String, Class<?>> entry : labelToSubtype.entrySet()) { TypeAdapter<?> delegate = gson.getDelegateAdapter(this, TypeToken.get(entry.getValue())); labelToDelegate.put(entry.getKey(), delegate); subtypeToDelegate.put(entry.getValue(), delegate); } return new TypeAdapter<R>() { @Override public R read(JsonReader in) throws IOException { JsonElement jsonElement = Streams.parse(in); JsonElement labelJsonElement = jsonElement.getAsJsonObject().remove(typeFieldName); if (labelJsonElement == null) { throw new JsonParseException("cannot deserialize " + baseType + " because it does not define a field named " + typeFieldName); } String label = labelJsonElement.getAsString(); @SuppressWarnings("unchecked") // registration requires that subtype extends T TypeAdapter<R> delegate = (TypeAdapter<R>) labelToDelegate.get(label); if (delegate == null) { throw new JsonParseException("cannot deserialize " + baseType + " subtype named " + label + "; did you forget to register a subtype?"); } return delegate.fromJsonTree(jsonElement); } @Override public void write(JsonWriter out, R value) throws IOException { Class<?> srcType = value.getClass(); String label = subtypeToLabel.get(srcType); @SuppressWarnings("unchecked") // registration requires that subtype extends T TypeAdapter<R> delegate = (TypeAdapter<R>) subtypeToDelegate.get(srcType); if (delegate == null) { throw new JsonParseException( "cannot serialize " + srcType.getName() + "; did you forget to register a subtype?"); } JsonObject jsonObject = delegate.toJsonTree(value).getAsJsonObject(); if (jsonObject.has(typeFieldName)) { throw new JsonParseException("cannot serialize " + srcType.getName() + " because it already defines a field named " + typeFieldName); } JsonObject clone = new JsonObject(); clone.add(typeFieldName, new JsonPrimitive(label)); for (Map.Entry<String, JsonElement> e : jsonObject.entrySet()) { clone.add(e.getKey(), e.getValue()); } Streams.write(clone, out); } }.nullSafe(); }
From source file:org.eclipse.che.dto.server.SerializableInterfaceAdapterFactory.java
License:Open Source License
@Override public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) { if (Serializable.class.equals(type.getRawType())) { return (TypeAdapter<T>) new SerializableAdapter(gson.getAdapter(Object.class)); }/*from w w w. java2 s . com*/ return null; }
From source file:org.eclipse.lsp4j.adapters.ResourceOperationTypeAdapter.java
License:Open Source License
@SuppressWarnings("unchecked") @Override/*from ww w .j a v a 2s . co m*/ public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> type) { if (!ResourceOperation.class.isAssignableFrom(type.getRawType())) { return null; } return (TypeAdapter<T>) new InnerResourceOperationTypeAdapter(this, gson).nullSafe(); }
From source file:org.eclipse.lsp4j.jsonrpc.json.adapters.CollectionTypeAdapterFactory.java
License:Open Source License
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
if (!Collection.class.isAssignableFrom(typeToken.getRawType()))
return null;
Type[] elementTypes = TypeUtils.getElementTypes(typeToken, Collection.class);
if (elementTypes.length != 1)
return null;
TypeAdapter<?> elementTypeAdapter = gson.getAdapter(TypeToken.get(elementTypes[0]));
Supplier<Collection<Object>> constructor = getConstructor(
(Class<Collection<Object>>) typeToken.getRawType());
return new Adapter(gson, elementTypes[0], elementTypeAdapter, constructor);
}
From source file:org.eclipse.lsp4j.jsonrpc.json.adapters.EnumTypeAdapterFactory.java
License:Open Source License
@Override
@SuppressWarnings({ "unchecked", "rawtypes" })
public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) {
Class<?> rawType = typeToken.getRawType();
if (!Enum.class.isAssignableFrom(rawType) || rawType == Enum.class)
return null;
if (!rawType.isEnum())
rawType = rawType.getSuperclass();
try {// w ww . ja v a 2s .c o m
return new Adapter(rawType);
} catch (IllegalAccessException e) {
throw new RuntimeException(e);
}
}
From source file:org.eclipse.lsp4j.jsonrpc.json.adapters.MessageTypeAdapterFactory.java
License:Open Source License
@Override @SuppressWarnings("unchecked") public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) { if (!Message.class.isAssignableFrom(typeToken.getRawType())) return null; return (TypeAdapter<T>) new Adapter(handler, gson); }
From source file:org.eclipse.lsp4j.jsonrpc.json.adapters.TypeUtils.java
License:Open Source License
/** * Determine the actual type arguments of the given type token with regard to the given target type. *//*from w w w .j ava 2 s . c om*/ public static Type[] getElementTypes(TypeToken<?> typeToken, Class<?> targetType) { return getElementTypes(typeToken.getType(), typeToken.getRawType(), targetType); }
From source file:org.eclipse.recommenders.utils.gson.MultisetTypeAdapterFactory.java
License:Open Source License
@Override public <T> TypeAdapter<T> create(Gson gson, TypeToken<T> typeToken) { Type type = typeToken.getType(); if (typeToken.getRawType() != Multiset.class || !(type instanceof ParameterizedType)) { return null; }/*from w w w.jav a 2 s. c om*/ Type elementType = ((ParameterizedType) type).getActualTypeArguments()[0]; TypeAdapter<?> elementAdapter = gson.getAdapter(TypeToken.get(elementType)); return (TypeAdapter<T>) newMultisetAdapter(elementAdapter); }