List of usage examples for com.google.gson TypeAdapter toJsonTree
public final JsonElement toJsonTree(T value)
From source file:data.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson g, TypeToken<R> type) { if (type == null || !baseType.isAssignableFrom(type.getRawType())) return null; 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 = g.getDelegateAdapter(this, TypeToken.get(entry.getValue())); labelToDelegate.put(entry.getKey(), delegate); subtypeToDelegate.put(entry.getValue(), delegate); }/*from w w w . ja va2 s . c om*/ 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:data_storage.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { // if (type.getRawType() != baseType) { // return null; // }/* ww w . j a va2 s .c o m*/ if (!baseType.isAssignableFrom(type.getRawType())) { return null; } 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); } }; }
From source file:de.chefkoch.api.serialize.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (type.getRawType() != baseType) { return null; }/*from ww w .ja v a2 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 null; } 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); } }; }
From source file:de.lulebe.designer.external.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (type == null || !baseType.isAssignableFrom(type.getRawType())) { return null; }// www .ja 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:de.symeda.sormas.app.rest.RuntimeTypeAdapterFactory.java
License:Open Source License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (type.getRawType() != baseType) { return null; }/* w ww . j av a 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; if (maintainType) { labelJsonElement = jsonElement.getAsJsonObject().get(typeFieldName); } else { 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 (maintainType) { Streams.write(jsonObject, out); return; } JsonObject clone = new JsonObject(); if (jsonObject.has(typeFieldName)) { throw new JsonParseException("cannot serialize " + srcType.getName() + " because it already defines a field named " + typeFieldName); } 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:io.hops.hopsworks.api.zeppelin.json.NotebookTypeAdapterFactory.java
License:Apache License
private TypeAdapter<C> customizeTypeAdapter(Gson gson, TypeToken<C> type) { final TypeAdapter<C> delegate = gson.getDelegateAdapter(this, type); final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class); return new TypeAdapter<C>() { @Override/*from w ww .j av a2s . co m*/ public void write(JsonWriter out, C value) throws IOException { JsonElement tree = delegate.toJsonTree(value); beforeWrite(value, tree); elementAdapter.write(out, tree); } @Override public C read(JsonReader in) throws IOException { JsonElement tree = elementAdapter.read(in); afterRead(tree); return delegate.fromJsonTree(tree); } }; }
From source file:leafcutter.client.Serializer.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (type.getRawType() != baseType) { return null; }// w w w. ja v a 2 s. c o m 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:mobi.tattu.utils.persistance.datastore.gson.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (!baseType.isAssignableFrom(type.getRawType())) { return null; }/* ww w .j a v a2s. co m*/ 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 configure a subtype?"); } try { return delegate.fromJsonTree(jsonElement); } catch (JsonSyntaxException e) { return null; } } @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 configure 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:mx.openpay.client.serialization.OpenpayTypeAdapterFactory.java
License:Apache License
public TypeAdapter<C> getClassAdapter(final Gson gson, final TypeToken<C> type) { final TypeAdapter<C> delegate = gson.getDelegateAdapter(this, type); final TypeAdapter<JsonElement> elementAdapter = gson.getAdapter(JsonElement.class); return new TypeAdapter<C>() { @Override// w ww . ja v a 2 s . c o m public void write(final JsonWriter out, final C value) throws IOException { JsonElement tree = delegate.toJsonTree(value); OpenpayTypeAdapterFactory.this.beforeWrite(value, tree); elementAdapter.write(out, tree); } @Override public C read(final JsonReader in) throws IOException { JsonElement tree = elementAdapter.read(in); OpenpayTypeAdapterFactory.this.afterRead(tree); return delegate.fromJsonTree(tree); } }; }
From source file:net.billforward.gson.typeadapters.RuntimeTypeAdapterFactory.java
License:Apache License
public <R> TypeAdapter<R> create(Gson gson, TypeToken<R> type) { if (type.getRawType() != baseType) { return null; }//from w ww . java2 s . co m 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) { delegate = (TypeAdapter<R>) labelToDelegate.get("default_value_mapping"); } 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); } }; }