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

Introduction

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

Prototype

public boolean hasNext() throws IOException

Source Link

Document

Returns true if the current array or object has another element.

Usage

From source file:org.imperiumstudios.Imperium1871Bungee.BukkitWarpHelper.files.JsonFile.java

License:Open Source License

/**
 * Read the config File into RAM.//  www. j  a  va  2s . c  om
 */
public void readFile() {
    try {
        JsonReader reader = new JsonReader(new FileReader(jsonFile));

        reader.beginObject();

        while (reader.hasNext())
            jsonFileContent.put(reader.nextName(), reader.nextString());

        reader.endObject();
        reader.close();
    } catch (IOException ex) {
        IMP.log.error("JsonFile.java > readFile() > Unable to read " + jsonFile + ". Disabling this plugin ..");
        IMP.log.error("JsonFile.java > readFile() > Error: " + ex.getMessage());
        IMP.disable();
    }
}

From source file:org.jboss.tools.aerogear.hybrid.core.plugin.registry.CordovaPluginRegistryManager.java

License:Open Source License

public List<CordovaRegistryPluginInfo> retrievePluginInfos(IProgressMonitor monitor) throws CoreException {
    if (monitor == null)
        monitor = new NullProgressMonitor();

    HttpClient client = new DefaultHttpClient();
    String url = registry.endsWith("/") ? registry + "-/all" : registry + "/-/all";
    HttpGet get = new HttpGet(url);
    HttpResponse response;/*  ww  w .j a  va  2s . c  om*/

    try {
        if (monitor.isCanceled()) {
            return null;
        }
        response = client.execute(get);
        HttpEntity entity = response.getEntity();
        InputStream stream = entity.getContent();
        monitor.worked(9);
        JsonReader reader = new JsonReader(new InputStreamReader(stream));
        reader.beginObject();//start the Registry
        plugins = new ArrayList<CordovaRegistryPluginInfo>();
        while (reader.hasNext()) {
            JsonToken token = reader.peek();
            switch (token) {
            case BEGIN_OBJECT:
                CordovaRegistryPluginInfo info = new CordovaRegistryPluginInfo();
                readPluginInfo(reader, info);
                plugins.add(info);
                break;
            case NAME:
                String name = reader.nextName();
                if (name.equals("_updated")) {
                    long newUpdate = reader.nextLong();
                    if (newUpdate == this.updated) {//No changes 
                        return plugins;
                    }

                }
                break;
            default:
                Assert.isTrue(false, "Unexpected token: " + token);
                break;
            }

        }
        reader.endObject();

        return plugins;

    } catch (ClientProtocolException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } catch (IOException e) {
        throw new CoreException(
                new Status(IStatus.ERROR, HybridCore.PLUGIN_ID, "Can not retrieve plugin catalog", e));
    } finally {
        monitor.done();
    }

}

From source file:org.jboss.tools.aerogear.hybrid.core.plugin.registry.CordovaPluginRegistryManager.java

License:Open Source License

private void readPluginInfo(JsonReader reader, CordovaRegistryPluginInfo plugin) throws IOException {
    Assert.isNotNull(plugin);/*from   www .ja  va 2 s  .c  o m*/
    reader.beginObject();

    while (reader.hasNext()) {
        JsonToken token = reader.peek();
        switch (token) {
        case NAME: {
            String name = reader.nextName();
            if ("name".equals(name)) {
                plugin.setName(reader.nextString());
                break;
            }
            if ("description".equals(name)) {
                plugin.setDescription(reader.nextString());
                break;
            }
            if ("keywords".equals(name)) {
                parseKeywords(reader, plugin);
                break;
            }
            if ("maintainers".equals(name)) {
                parseMaintainers(reader, plugin);
                break;
            }
            if ("dist-tags".equals(name)) {
                parseLatestVersion(reader, plugin);
                break;
            }
            if ("versions".equals(name) && plugin instanceof CordovaRegistryPlugin) {
                parseDetailedVersions(reader, (CordovaRegistryPlugin) plugin);
                break;
            }
            if ("dist".equals(name) && plugin instanceof CordovaRegistryPluginVersion) {
                parseDistDetails(reader, (CordovaRegistryPluginVersion) plugin);
                break;
            }
            if ("license".equals(name) && plugin instanceof CordovaRegistryPluginVersion) {
                CordovaRegistryPluginVersion v = (CordovaRegistryPluginVersion) plugin;
                v.setLicense(reader.nextString());
                break;
            }
            break;
        }

        default:
            reader.skipValue();
            break;
        }
    }
    reader.endObject();
}

From source file:org.jboss.tools.aerogear.hybrid.core.plugin.registry.CordovaPluginRegistryManager.java

License:Open Source License

private void parseKeywords(JsonReader reader, CordovaRegistryPluginInfo plugin) throws IOException {
    reader.beginArray();//w  ww .j av a 2  s  .c o  m
    while (reader.hasNext()) {
        plugin.addKeyword(reader.nextString());
    }
    reader.endArray();
}

From source file:org.jclouds.json.internal.IgnoreNullFluentIterableTypeAdapterFactory.java

License:Apache License

protected <E> TypeAdapter<FluentIterable<E>> newFluentIterableAdapter(final TypeAdapter<E> elementAdapter) {
    return new TypeAdapter<FluentIterable<E>>() {
        public void write(JsonWriter out, FluentIterable<E> value) throws IOException {
            out.beginArray();//from  www  .  ja v  a 2s.  c  o  m
            for (E element : value) {
                elementAdapter.write(out, element);
            }
            out.endArray();
        }

        public FluentIterable<E> read(JsonReader in) throws IOException {
            in.beginArray();
            Builder<E> builder = ImmutableList.<E>builder();
            while (in.hasNext()) {
                E element = elementAdapter.read(in);
                if (element != null)
                    builder.add(element);
            }
            in.endArray();
            return FluentIterable.from(builder.build());
        }
    }.nullSafe();
}

From source file:org.jclouds.json.internal.IgnoreNullIterableTypeAdapterFactory.java

License:Apache License

protected <E> TypeAdapter<Iterable<E>> newIterableAdapter(final TypeAdapter<E> elementAdapter) {
    return new TypeAdapter<Iterable<E>>() {
        public void write(JsonWriter out, Iterable<E> value) throws IOException {
            out.beginArray();//from w w w  . j  a  va2  s .c o m
            for (E element : value) {
                elementAdapter.write(out, element);
            }
            out.endArray();
        }

        public Iterable<E> read(JsonReader in) throws IOException {
            in.beginArray();
            Builder<E> builder = ImmutableList.<E>builder();
            while (in.hasNext()) {
                E element = elementAdapter.read(in);
                if (element != null)
                    builder.add(element);
            }
            in.endArray();
            return builder.build();
        }
    }.nullSafe();
}

From source file:org.jclouds.json.internal.IgnoreNullMapTypeAdapterFactory.java

License:Apache License

private <K, V> TypeAdapter<Map<K, V>> newMapAdapter(final TypeAdapter<K> keyAdapter,
        final TypeAdapter<V> valueAdapter) {
    return new TypeAdapter<Map<K, V>>() {
        public void write(JsonWriter out, Map<K, V> value) throws IOException {
            out.beginObject();/*from  ww  w. ja  v  a  2 s  .  com*/
            for (Map.Entry<K, V> element : value.entrySet()) {
                out.name(String.valueOf(element.getKey()));
                valueAdapter.write(out, element.getValue());
            }
            out.endObject();
        }

        public Map<K, V> read(JsonReader in) throws IOException {
            Map<K, V> result = Maps.newLinkedHashMap();
            in.beginObject();
            while (in.hasNext()) {
                JsonReaderInternalAccess.INSTANCE.promoteNameToValue(in);
                K name = keyAdapter.read(in);
                V value = valueAdapter.read(in);
                if (value != null)
                    result.put(name, value);
            }
            in.endObject();
            return result;
        }
    }.nullSafe();
}

From source file:org.jclouds.json.internal.IgnoreNullMultimapTypeAdapterFactory.java

License:Apache License

private <K, V> TypeAdapter<Multimap<K, V>> newMapAdapter(final TypeAdapter<K> keyAdapter,
        final TypeAdapter<V> valueAdapter) {
    return new TypeAdapter<Multimap<K, V>>() {
        public void write(JsonWriter out, Multimap<K, V> map) throws IOException {
            out.beginObject();/*  w  ww . j av a 2  s  .c  o m*/
            for (K key : map.keySet()) {
                out.name(String.valueOf(key));
                out.beginArray();
                for (V value : map.get(key)) {
                    valueAdapter.write(out, value);
                }
                out.endArray();
            }
            out.endObject();
        }

        public Multimap<K, V> read(JsonReader in) throws IOException {
            ImmutableMultimap.Builder<K, V> result = ImmutableListMultimap.builder();
            in.beginObject();
            while (in.hasNext()) {
                JsonReaderInternalAccess.INSTANCE.promoteNameToValue(in);
                K name = keyAdapter.read(in);
                in.beginArray();
                while (in.hasNext()) {
                    V value = valueAdapter.read(in);
                    if (value != null)
                        result.put(name, value);
                }
                in.endArray();
            }
            in.endObject();
            return result.build();
        }
    }.nullSafe();
}

From source file:org.jclouds.json.internal.IgnoreNullSetTypeAdapterFactory.java

License:Apache License

private <E> TypeAdapter<Set<E>> newSetAdapter(final TypeAdapter<E> elementAdapter) {
    return new TypeAdapter<Set<E>>() {
        public void write(JsonWriter out, Set<E> value) throws IOException {
            out.beginArray();//from ww w.j a v  a  2s . c  o  m
            for (E element : value) {
                elementAdapter.write(out, element);
            }
            out.endArray();
        }

        public Set<E> read(JsonReader in) throws IOException {
            Set<E> result = Sets.newLinkedHashSet();
            in.beginArray();
            while (in.hasNext()) {
                E element = elementAdapter.read(in);
                if (element != null)
                    result.add(element);
            }
            in.endArray();
            return result;
        }
    }.nullSafe();
}

From source file:org.jclouds.oauth.v2.json.ClaimSetTypeAdapter.java

License:Apache License

@Override
public ClaimSet read(JsonReader in) throws IOException {
    ClaimSet.Builder builder = new ClaimSet.Builder();
    in.beginObject();// ww w.  j a v a2 s .c  om
    while (in.hasNext()) {
        String claimName = in.nextName();
        String claimValue = in.nextString();
        builder.addClaim(claimName, claimValue);
    }
    in.endObject();
    return builder.build();
}