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QuotesRepository.java
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QuotesRepository.java
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/*
* Copyright (C) 2019 - 2024 Vishnu Sanal. T
*
* This file is part of Quotes Status Creator.
*
* Quotes Status Creator is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
package phone.vishnu.quotes.repository;
import com.android.volley.Cache;
import com.android.volley.NetworkResponse;
import com.android.volley.ParseError;
import com.android.volley.Request;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.HttpHeaderParser;
import com.android.volley.toolbox.JsonArrayRequest;
import java.io.UnsupportedEncodingException;
import java.util.ArrayList;
import java.util.Collections;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import phone.vishnu.quotes.controller.AppController;
import phone.vishnu.quotes.model.Quote;
import phone.vishnu.quotes.response.QuoteListAsyncResponse;
import phone.vishnu.quotes.response.RandomQuoteAsyncResponse;
public class QuotesRepository {
private final ArrayList<Quote> quoteArrayList = new ArrayList<>();
public void getQuotes(final QuoteListAsyncResponse callBack) {
final String url =
"https://raw.githubusercontent.com/VishnuSanal/Quotes/master/Quotes.json";
Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
final JsonArrayRequest jsonArrayRequest =
new JsonArrayRequest(
Request.Method.GET,
url,
response -> {
for (int i = 0; i < response.length(); i++) {
try {
JSONObject quoteObject =
response.getJSONObject(i);
Quote quote = new Quote();
quote.setQuote(
quoteObject.getString("quote"));
quote.setAuthor(
quoteObject.getString("name"));
quoteArrayList.add(quote);
} catch (JSONException e) {
e.printStackTrace();
}
}
if (null != callBack) {
callBack.processFinished(quoteArrayList);
}
},
Throwable::printStackTrace) {
@Override
protected Response<JSONArray> parseNetworkResponse(
NetworkResponse response) {
try {
Cache.Entry cacheEntry =
HttpHeaderParser.parseCacheHeaders(
response);
if (cacheEntry == null) {
cacheEntry = new Cache.Entry();
}
final long cacheHitButRefreshed = 1000;
final long cacheExpired =
7 * 24 * 60 * 60 * 1000;
long now = System.currentTimeMillis();
final long softExpire =
now + cacheHitButRefreshed;
final long ttl = now + cacheExpired;
cacheEntry.data = response.data;
cacheEntry.softTtl = softExpire;
cacheEntry.ttl = ttl;
String headerValue;
headerValue = response.headers.get("Date");
if (headerValue != null) {
cacheEntry.serverDate =
HttpHeaderParser.parseDateAsEpoch(
headerValue);
}
headerValue =
response.headers.get("Last-Modified");
if (headerValue != null) {
cacheEntry.lastModified =
HttpHeaderParser.parseDateAsEpoch(
headerValue);
}
cacheEntry.responseHeaders = response.headers;
final String jsonString =
new String(
response.data,
HttpHeaderParser.parseCharset(
response.headers));
return Response.success(
new JSONArray(jsonString), cacheEntry);
} catch (UnsupportedEncodingException
| JSONException e) {
return Response.error(new ParseError(e));
}
}
@Override
protected void deliverResponse(JSONArray response) {
super.deliverResponse(response);
}
@Override
public void deliverError(VolleyError error) {
super.deliverError(error);
}
@Override
protected VolleyError parseNetworkError(
VolleyError volleyError) {
return super.parseNetworkError(volleyError);
}
};
AppController.getInstance().addToRequestQueue(jsonArrayRequest);
}
});
thread.start();
}
public void getRandomQuote(final RandomQuoteAsyncResponse callBack) {
final String url =
"https://raw.githubusercontent.com/VishnuSanal/Quotes/master/Quotes.json";
Thread thread =
new Thread(
new Runnable() {
@Override
public void run() {
final JsonArrayRequest jsonArrayRequest =
new JsonArrayRequest(
Request.Method.GET,
url,
response -> {
for (int i = 0; i < response.length(); i++) {
try {
JSONObject quoteObject =
response.getJSONObject(i);
Quote quote = new Quote();
quote.setQuote(
quoteObject.getString("quote"));
quote.setAuthor(
quoteObject.getString("name"));
quoteArrayList.add(quote);
} catch (JSONException e) {
e.printStackTrace();
}
}
if (null != callBack) {
Collections.shuffle(quoteArrayList);
callBack.processFinished(
quoteArrayList.get(0));
}
},
Throwable::printStackTrace) {
@Override
protected Response<JSONArray> parseNetworkResponse(
NetworkResponse response) {
try {
Cache.Entry cacheEntry =
HttpHeaderParser.parseCacheHeaders(
response);
if (cacheEntry == null) {
cacheEntry = new Cache.Entry();
}
final long cacheHitButRefreshed = 1000;
final long cacheExpired =
7 * 24 * 60 * 60 * 1000;
long now = System.currentTimeMillis();
final long softExpire =
now + cacheHitButRefreshed;
final long ttl = now + cacheExpired;
cacheEntry.data = response.data;
cacheEntry.softTtl = softExpire;
cacheEntry.ttl = ttl;
String headerValue;
headerValue = response.headers.get("Date");
if (headerValue != null) {
cacheEntry.serverDate =
HttpHeaderParser.parseDateAsEpoch(
headerValue);
}
headerValue =
response.headers.get("Last-Modified");
if (headerValue != null) {
cacheEntry.lastModified =
HttpHeaderParser.parseDateAsEpoch(
headerValue);
}
cacheEntry.responseHeaders = response.headers;
final String jsonString =
new String(
response.data,
HttpHeaderParser.parseCharset(
response.headers));
return Response.success(
new JSONArray(jsonString), cacheEntry);
} catch (UnsupportedEncodingException
| JSONException e) {
return Response.error(new ParseError(e));
}
}
@Override
protected void deliverResponse(JSONArray response) {
super.deliverResponse(response);
}
@Override
public void deliverError(VolleyError error) {
super.deliverError(error);
}
@Override
protected VolleyError parseNetworkError(
VolleyError volleyError) {
return super.parseNetworkError(volleyError);
}
};
AppController.getInstance().addToRequestQueue(jsonArrayRequest);
}
});
thread.start();
}
}