Example usage for com.google.gson.stream JsonReader nextName

List of usage examples for com.google.gson.stream JsonReader nextName

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Introduction

In this page you can find the example usage for com.google.gson.stream JsonReader nextName.

Prototype

public String nextName() throws IOException

Source Link

Document

Returns the next token, a com.google.gson.stream.JsonToken#NAME property name , and consumes it.

Usage

From source file:BundleTypeAdapterFactory.java

License:Apache License

@SuppressWarnings("unchecked")
@Override//from w w w .  j  a  v a2 s .com
public <T> TypeAdapter<T> create(final Gson gson, TypeToken<T> type) {
    if (!Bundle.class.isAssignableFrom(type.getRawType())) {
        return null;
    }
    return (TypeAdapter<T>) new TypeAdapter<Bundle>() {
        @Override
        public void write(JsonWriter out, Bundle bundle) throws IOException {
            if (bundle == null) {
                out.nullValue();
                return;
            }
            out.beginObject();
            for (String key : bundle.keySet()) {
                out.name(key);
                Object value = bundle.get(key);
                if (value == null) {
                    out.nullValue();
                } else {
                    gson.toJson(value, value.getClass(), out);
                }
            }
            out.endObject();
        }

        @Override
        public Bundle read(JsonReader in) throws IOException {
            switch (in.peek()) {
            case NULL:
                in.nextNull();
                return null;
            case BEGIN_OBJECT:
                return toBundle(readObject(in));
            default:
                throw new IOException("expecting object: " + in.getPath());
            }
        }

        private Bundle toBundle(List<Pair<String, Object>> values) throws IOException {
            Bundle bundle = new Bundle();
            for (Pair<String, Object> entry : values) {
                String key = entry.first;
                Object value = entry.second;
                if (value instanceof String) {
                    bundle.putString(key, (String) value);
                } else if (value instanceof Integer) {
                    bundle.putInt(key, ((Integer) value).intValue());
                } else if (value instanceof Long) {
                    bundle.putLong(key, ((Long) value).longValue());
                } else if (value instanceof Double) {
                    bundle.putDouble(key, ((Double) value).doubleValue());
                } else if (value instanceof Parcelable) {
                    bundle.putParcelable(key, (Parcelable) value);
                } else if (value instanceof List) {
                    List<Pair<String, Object>> objectValues = (List<Pair<String, Object>>) value;
                    Bundle subBundle = toBundle(objectValues);
                    bundle.putParcelable(key, subBundle);
                } else {
                    throw new IOException("Unparcelable key, value: " + key + ", " + value);
                }
            }
            return bundle;
        }

        private List<Pair<String, Object>> readObject(JsonReader in) throws IOException {
            List<Pair<String, Object>> object = new ArrayList<Pair<String, Object>>();
            in.beginObject();
            while (in.peek() != JsonToken.END_OBJECT) {
                switch (in.peek()) {
                case NAME:
                    String name = in.nextName();
                    Object value = readValue(in);
                    object.add(new Pair<String, Object>(name, value));
                    break;
                case END_OBJECT:
                    break;
                default:
                    throw new IOException("expecting object: " + in.getPath());
                }
            }
            in.endObject();
            return object;
        }

        private Object readValue(JsonReader in) throws IOException {
            switch (in.peek()) {
            case BEGIN_ARRAY:
                return readArray(in);
            case BEGIN_OBJECT:
                return readObject(in);
            case BOOLEAN:
                return in.nextBoolean();
            case NULL:
                in.nextNull();
                return null;
            case NUMBER:
                return readNumber(in);
            case STRING:
                return in.nextString();
            default:
                throw new IOException("expecting value: " + in.getPath());
            }
        }

        private Object readNumber(JsonReader in) throws IOException {
            double doubleValue = in.nextDouble();
            if (doubleValue - Math.ceil(doubleValue) == 0) {
                long longValue = (long) doubleValue;
                if (longValue >= Integer.MIN_VALUE && longValue <= Integer.MAX_VALUE) {
                    return (int) longValue;
                }
                return longValue;
            }
            return doubleValue;
        }

        @SuppressWarnings("rawtypes")
        private List readArray(JsonReader in) throws IOException {
            List list = new ArrayList();
            in.beginArray();
            while (in.peek() != JsonToken.END_ARRAY) {
                Object element = readValue(in);
                list.add(element);
            }
            in.endArray();
            return list;
        }
    };
}

From source file:at.univie.sensorium.preferences.Preferences.java

License:Open Source License

private void loadPrefsFromStream(InputStream input) {
    List<BasicNameValuePair> preferencelist = new LinkedList<BasicNameValuePair>();
    try {/*from  ww w  .j av a 2 s .  com*/
        InputStreamReader isreader = new InputStreamReader(input);
        JsonReader reader = new JsonReader(isreader);
        //         String jsonVersion = "";

        reader.beginArray(); // do we have an array or just a single object?
        reader.beginObject();
        while (reader.hasNext()) {
            String name = reader.nextName();
            String value = reader.nextString();
            if (name.equalsIgnoreCase(PREFERENCES_VERSION))
                currentPrefVersion = Integer.valueOf(value);
            BasicNameValuePair kv = new BasicNameValuePair(name, value);
            preferencelist.add(kv);
        }
        reader.endObject();
        reader.endArray();
        reader.close();

        if (newerPrefsAvailable()) {
            Log.d(SensorRegistry.TAG, "Newer preferences available in json, overwriting existing.");
            for (BasicNameValuePair kv : preferencelist) {
                putPreference(kv.getName(), kv.getValue());
            }
            // also reset the welcome screen
            putBoolean(WELCOME_SCREEN_SHOWN, false);
        } else {
            Log.d(SensorRegistry.TAG, "Preferences are recent, not overwriting.");
        }

    } catch (FileNotFoundException e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        Log.d(SensorRegistry.TAG, sw.toString());
    } catch (IOException e) {
        StringWriter sw = new StringWriter();
        PrintWriter pw = new PrintWriter(sw);
        e.printStackTrace(pw);
        Log.d(SensorRegistry.TAG, sw.toString());
    }
}

From source file:bytehala.flowmortarexample.GsonParceler.java

License:Apache License

private Path decode(String json) throws IOException {
    JsonReader reader = new JsonReader(new StringReader(json));

    try {/*  w ww .ja v  a2  s  . c o  m*/
        reader.beginObject();

        Class<?> type = Class.forName(reader.nextName());
        return gson.fromJson(reader, type);
    } catch (ClassNotFoundException e) {
        throw new RuntimeException(e);
    } finally {
        reader.close();
    }
}

From source file:cc.kave.commons.utils.json.legacy.UsageTypeAdapter.java

License:Open Source License

@Override
public Usage read(JsonReader in) throws IOException {

    if (in.peek() == JsonToken.STRING) {
        String val = in.nextString();
        Asserts.assertEquals("NoUsage", val, "Invalid JSON. Expected 'NoUsage', but found '" + val + "'.");
        return new NoUsage();
    }//from   ww w . j  a va 2  s.co m

    Query q = new Query();
    q.setAllCallsites(null);

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (TYPE.equals(name)) {
            q.setType(CoReTypeName.get(in.nextString()));
        } else if (CLASS_CTX.equals(name)) {
            q.setClassContext(CoReTypeName.get(in.nextString()));
        } else if (METHOD_CTX.equals(name)) {
            q.setMethodContext(CoReMethodName.get(in.nextString()));
        } else if (DEFINITION.equals(name)) {
            q.setDefinition(readDefinition(in));
        } else if (SITES.equals(name)) {
            q.setAllCallsites(readCallSites(in));
        } else {
            // skip value (most likely $type key from .net serialization)
            in.nextString();
        }
    }
    in.endObject();
    return q;
}

From source file:cc.kave.commons.utils.json.legacy.UsageTypeAdapter.java

License:Open Source License

private DefinitionSite readDefinition(JsonReader in) throws IOException {
    DefinitionSite def = DefinitionSites.createUnknownDefinitionSite();
    def.setKind(null);// w ww .  j  a va  2s .  com

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (DEF_KIND.equals(name)) {
            def.setKind(DefinitionSiteKind.valueOf(in.nextString()));
        } else if (DEF_ARG.equals(name)) {
            def.setArgIndex(in.nextInt());
        } else if (DEF_FIELD.equals(name)) {
            def.setField(CoReFieldName.get(in.nextString()));
        } else if (DEF_METHOD.equals(name)) {
            def.setMethod(CoReMethodName.get(in.nextString()));
        }
    }
    in.endObject();

    return def;
}

From source file:cc.kave.commons.utils.json.legacy.UsageTypeAdapter.java

License:Open Source License

private CallSite readCallSite(JsonReader in) throws IOException {
    CallSite site = CallSites.createReceiverCallSite("LT.m()V");
    site.setKind(null);/*ww w.j  av a  2s .c  om*/
    site.setMethod(null);

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (CS_ARG.equals(name)) {
            site.setArgIndex(in.nextInt());
        } else if (CS_CALL.equals(name)) {
            site.setMethod(CoReMethodName.get(in.nextString()));
        } else if (CS_KIND.equals(name)) {
            site.setKind(CallSiteKind.valueOf(in.nextString()));
        }
    }
    in.endObject();
    return site;
}

From source file:cc.recommenders.utils.gson.UsageTypeAdapter.java

License:Open Source License

@Override
public Usage read(JsonReader in) throws IOException {
    Query q = new Query();
    q.setAllCallsites(null);//  ww  w.j  a  v  a2  s . c om

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (TYPE.equals(name)) {
            q.setType(VmTypeName.get(in.nextString()));
        } else if (CLASS_CTX.equals(name)) {
            q.setClassContext(VmTypeName.get(in.nextString()));
        } else if (METHOD_CTX.equals(name)) {
            q.setMethodContext(VmMethodName.get(in.nextString()));
        } else if (DEFINITION.equals(name)) {
            q.setDefinition(readDefinition(in));
        } else if (SITES.equals(name)) {
            q.setAllCallsites(readCallSites(in));
        } else {
            // skip value (most likely $type key from .net serialization)
            in.nextString();
        }
    }
    in.endObject();
    return q;
}

From source file:cc.recommenders.utils.gson.UsageTypeAdapter.java

License:Open Source License

private DefinitionSite readDefinition(JsonReader in) throws IOException {
    DefinitionSite def = DefinitionSites.createUnknownDefinitionSite();
    def.setKind(null);//  w w w  .  ja  va2s . co m

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (DEF_KIND.equals(name)) {
            def.setKind(DefinitionSiteKind.valueOf(in.nextString()));
        } else if (DEF_ARG.equals(name)) {
            def.setArgIndex(in.nextInt());
        } else if (DEF_FIELD.equals(name)) {
            def.setField(VmFieldName.get(in.nextString()));
        } else if (DEF_METHOD.equals(name)) {
            def.setMethod(VmMethodName.get(in.nextString()));
        }
    }
    in.endObject();

    return def;
}

From source file:cc.recommenders.utils.gson.UsageTypeAdapter.java

License:Open Source License

private CallSite readCallSite(JsonReader in) throws IOException {
    CallSite site = CallSites.createReceiverCallSite("LT.m()V");
    site.setKind(null);/* w w w .j  a v a 2s .  c o m*/
    site.setMethod(null);

    in.beginObject();
    while (in.hasNext()) {
        String name = in.nextName();
        if (CS_ARG.equals(name)) {
            site.setArgIndex(in.nextInt());
        } else if (CS_CALL.equals(name)) {
            site.setMethod(VmMethodName.get(in.nextString()));
        } else if (CS_KIND.equals(name)) {
            site.setKind(CallSiteKind.valueOf(in.nextString()));
        }
    }
    in.endObject();
    return site;
}

From source file:cern.molr.inspector.json.MissionTypeAdapter.java

License:Apache License

@Override
public Mission read(JsonReader in) throws IOException {
    in.beginObject();//from w ww  .  ja va2 s .  c o m
    in.nextName();
    final String agentName = in.nextString();
    in.nextName();
    final String className = in.nextString();
    in.nextName();
    final String entryPointsString = in.nextString();
    in.endObject();

    return new MissionImpl(agentName, className, Arrays.asList(entryPointsString.split(LIST_SEPARATOR)));
}