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62 lines
2.1 KiB
62 lines
2.1 KiB
package dev.garrettmills.starship.hyperlink.util;
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import com.android.volley.AuthFailureError;
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import com.android.volley.NetworkResponse;
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import com.android.volley.ParseError;
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import com.android.volley.Request;
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import com.android.volley.Response;
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import com.android.volley.toolbox.HttpHeaderParser;
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import com.google.gson.Gson;
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import com.google.gson.JsonSyntaxException;
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import java.io.UnsupportedEncodingException;
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import java.util.Map;
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public class GsonRequest<T> extends Request<T> {
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private final Gson gson = new Gson();
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private final Class<T> clazz;
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private final Map<String, String> headers;
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private final Response.Listener<T> listener;
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/**
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* Make a GET request and return a parsed object from JSON.
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*
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* @param url URL of the request to make
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* @param clazz Relevant class object, for Gson's reflection
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* @param headers Map of request headers
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*/
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public GsonRequest(String url, Class<T> clazz, Map<String, String> headers,
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Response.Listener<T> listener, Response.ErrorListener errorListener) {
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super(Method.GET, url, errorListener);
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this.clazz = clazz;
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this.headers = headers;
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this.listener = listener;
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}
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@Override
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public Map<String, String> getHeaders() throws AuthFailureError {
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return headers != null ? headers : super.getHeaders();
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}
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@Override
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protected void deliverResponse(T response) {
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listener.onResponse(response);
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}
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@Override
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protected Response<T> parseNetworkResponse(NetworkResponse response) {
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try {
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String json = new String(
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response.data,
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HttpHeaderParser.parseCharset(response.headers));
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return Response.success(
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gson.fromJson(json, clazz),
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HttpHeaderParser.parseCacheHeaders(response));
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} catch (UnsupportedEncodingException e) {
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return Response.error(new ParseError(e));
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} catch (JsonSyntaxException e) {
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return Response.error(new ParseError(e));
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}
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}
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}
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