Android Open Source - ion Gson Parser






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License

The source code is released under:

Apache License

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Java Source Code

package com.koushikdutta.ion.gson;
/*ww w . ja  v  a 2 s.c o m*/
import com.google.gson.JsonElement;
import com.google.gson.JsonParseException;
import com.google.gson.JsonParser;
import com.google.gson.stream.JsonReader;
import com.koushikdutta.async.ByteBufferList;
import com.koushikdutta.async.DataEmitter;
import com.koushikdutta.async.DataSink;
import com.koushikdutta.async.callback.CompletedCallback;
import com.koushikdutta.async.future.Future;
import com.koushikdutta.async.future.TransformFuture;
import com.koushikdutta.async.parser.AsyncParser;
import com.koushikdutta.async.parser.ByteBufferListParser;
import com.koushikdutta.async.parser.StringParser;
import com.koushikdutta.async.stream.ByteBufferListInputStream;
import com.koushikdutta.async.util.Charsets;

import java.io.InputStreamReader;
import java.nio.charset.Charset;

/**
 * Created by koush on 5/27/13.
 */
public abstract class GsonParser<T extends JsonElement> implements AsyncParser<T> {
    Class<? extends JsonElement> clazz;
    public GsonParser(Class<? extends T> clazz) {
        this.clazz = clazz;
    }

    @Override
    public Future<T> parse(DataEmitter emitter) {
        final String charset = emitter.charset() == null ? Charset.defaultCharset().name() : emitter.charset();
        return new ByteBufferListParser().parse(emitter)
        .then(new TransformFuture<T, ByteBufferList>() {
            @Override
            protected void transform(ByteBufferList result) throws Exception {
                JsonParser parser = new JsonParser();
                JsonElement parsed = parser.parse(new JsonReader(new InputStreamReader(new ByteBufferListInputStream(result), charset)));
                if (parsed.isJsonNull() || parsed.isJsonPrimitive())
                    throw new JsonParseException("unable to parse json");
                if (!clazz.isInstance(parsed))
                    throw new ClassCastException(parsed.getClass().getCanonicalName() + " can not be casted to " + clazz.getCanonicalName());
                setComplete(null, (T)parsed);
            }
        });
    }

    @Override
    public void write(DataSink sink, T value, CompletedCallback completed) {
        new StringParser().write(sink, value.toString(), completed);
    }
}




Java Source Code List

com.koushikdutta.ion.BitmapCallback.java
com.koushikdutta.ion.BitmapFetcher.java
com.koushikdutta.ion.BitmapInfoToBitmap.java
com.koushikdutta.ion.ContextReference.java
com.koushikdutta.ion.DefaultTransform.java
com.koushikdutta.ion.DeferredLoadBitmap.java
com.koushikdutta.ion.FileCacheStore.java
com.koushikdutta.ion.HeadersCallback.java
com.koushikdutta.ion.HeadersResponse.java
com.koushikdutta.ion.ImageViewBitmapInfo.java
com.koushikdutta.ion.ImageViewFutureImpl.java
com.koushikdutta.ion.InputStreamParser.java
com.koushikdutta.ion.IonBitmapRequestBuilder.java
com.koushikdutta.ion.IonDrawable.java
com.koushikdutta.ion.IonImageViewRequestBuilder.java
com.koushikdutta.ion.IonLog.java
com.koushikdutta.ion.IonRequestBuilder.java
com.koushikdutta.ion.Ion.java
com.koushikdutta.ion.LoadBitmapBase.java
com.koushikdutta.ion.LoadBitmapEmitter.java
com.koushikdutta.ion.LoadBitmapRegion.java
com.koushikdutta.ion.LoadBitmap.java
com.koushikdutta.ion.LoadDeepZoom.java
com.koushikdutta.ion.Loader.java
com.koushikdutta.ion.ProgressCallback.java
com.koushikdutta.ion.RequestBodyUploadObserver.java
com.koushikdutta.ion.Response.java
com.koushikdutta.ion.ScaleMode.java
com.koushikdutta.ion.TransformBitmap.java
com.koushikdutta.ion.bitmap.BitmapDecodeException.java
com.koushikdutta.ion.bitmap.BitmapInfo.java
com.koushikdutta.ion.bitmap.Exif.java
com.koushikdutta.ion.bitmap.IonBitmapCache.java
com.koushikdutta.ion.bitmap.LocallyCachedStatus.java
com.koushikdutta.ion.bitmap.LruBitmapCache.java
com.koushikdutta.ion.bitmap.MarkableInputStream.java
com.koushikdutta.ion.bitmap.PostProcess.java
com.koushikdutta.ion.bitmap.SoftReferenceHashtable.java
com.koushikdutta.ion.bitmap.Transform.java
com.koushikdutta.ion.builder.AnimateGifMode.java
com.koushikdutta.ion.builder.BitmapBuilder.java
com.koushikdutta.ion.builder.BitmapFutureBuilder.java
com.koushikdutta.ion.builder.Builders.java
com.koushikdutta.ion.builder.FutureBuilder.java
com.koushikdutta.ion.builder.GsonFutureBuilder.java
com.koushikdutta.ion.builder.ImageViewBuilder.java
com.koushikdutta.ion.builder.ImageViewFutureBuilder.java
com.koushikdutta.ion.builder.LoadBuilder.java
com.koushikdutta.ion.builder.LoadImageViewFutureBuilder.java
com.koushikdutta.ion.builder.MultipartBodyBuilder.java
com.koushikdutta.ion.builder.RequestBuilder.java
com.koushikdutta.ion.builder.UrlEncodedBuilder.java
com.koushikdutta.ion.conscrypt.ConscryptMiddleware.java
com.koushikdutta.ion.cookie.CookieMiddleware.java
com.koushikdutta.ion.future.ImageViewFuture.java
com.koushikdutta.ion.future.ResponseFuture.java
com.koushikdutta.ion.gif.GifDecoder.java
com.koushikdutta.ion.gif.GifFrame.java
com.koushikdutta.ion.gson.GsonArrayParser.java
com.koushikdutta.ion.gson.GsonBody.java
com.koushikdutta.ion.gson.GsonObjectParser.java
com.koushikdutta.ion.gson.GsonParser.java
com.koushikdutta.ion.gson.GsonSerializer.java
com.koushikdutta.ion.gson.PojoBody.java
com.koushikdutta.ion.loader.AssetLoader.java
com.koushikdutta.ion.loader.AsyncHttpRequestFactory.java
com.koushikdutta.ion.loader.ContentLoader.java
com.koushikdutta.ion.loader.FileLoader.java
com.koushikdutta.ion.loader.HttpLoader.java
com.koushikdutta.ion.loader.InputStreamDataEmitterFuture.java
com.koushikdutta.ion.loader.MediaFile.java
com.koushikdutta.ion.loader.MtpConstants.java
com.koushikdutta.ion.loader.PackageIconLoader.java
com.koushikdutta.ion.loader.ResourceLoader.java
com.koushikdutta.ion.loader.SimpleLoader.java
com.koushikdutta.ion.loader.StreamLoader.java
com.koushikdutta.ion.loader.VideoLoader.java
com.koushikdutta.ion.sample.DeepZoomSample.java
com.koushikdutta.ion.sample.GallerySample.java
com.koushikdutta.ion.sample.GoogleImageSearch.java
com.koushikdutta.ion.sample.ImageViewSample.java
com.koushikdutta.ion.sample.LollipopTransitionFullscreen.java
com.koushikdutta.ion.sample.LollipopTransition.java
com.koushikdutta.ion.sample.ProgressBarDownload.java
com.koushikdutta.ion.sample.ProgressBarUpload.java
com.koushikdutta.ion.sample.SampleApplication.java
com.koushikdutta.ion.sample.Samples.java
com.koushikdutta.ion.sample.SquaredImageView.java
com.koushikdutta.ion.sample.TwitterGson.java
com.koushikdutta.ion.sample.Twitter.java