com.getperka.flatpack.client.impl.JsonRequestBase Maven / Gradle / Ivy
/*
* #%L
* FlatPack Client
* %%
* Copyright (C) 2012 Perka Inc.
* %%
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
* #L%
*/
package com.getperka.flatpack.client.impl;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.Reader;
import java.net.HttpURLConnection;
import com.getperka.flatpack.util.FlatPackTypes;
import com.google.gson.JsonElement;
import com.google.gson.JsonObject;
import com.google.gson.JsonParseException;
import com.google.gson.JsonParser;
/**
* A Request that interprets the server response as JSON.
*
* @param the type of JsonRequestBase
*/
public class JsonRequestBase> extends RequestBase {
protected JsonRequestBase(ApiBase api, String method,
String path, boolean hasPayload, Object... args) {
super(api, method, path, hasPayload, args);
}
@Override
protected JsonElement execute(HttpURLConnection response) throws IOException {
int statusCode = response.getResponseCode();
JsonElement toReturn = null;
try {
InputStream in = isOk(statusCode) ? response.getInputStream() : response.getErrorStream();
Reader reader = new InputStreamReader(in, FlatPackTypes.UTF8);
toReturn = new JsonParser().parse(reader);
} catch (JsonParseException ignored) {
// Probably a 500 crash page
toReturn = new JsonObject();
}
if (toReturn.isJsonObject()) {
toReturn.getAsJsonObject().addProperty("status_code", statusCode);
}
return toReturn;
}
@Override
protected void writeEntity(HttpURLConnection connection) throws IOException {}
}