com.gogh.plugin.translator.TranslatorUtil.java Source code

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Here is the source code for com.gogh.plugin.translator.TranslatorUtil.java

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/*
 * Copyright 2016 Yuyou Chow
 *
 * 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.
 */
package com.gogh.plugin.translator;

import com.gogh.plugin.entity.ResultEntity;
import com.google.gson.Gson;
import com.google.gson.JsonSyntaxException;
import org.apache.http.HttpEntity;
import org.apache.http.HttpResponse;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.impl.client.HttpClients;
import org.apache.http.util.EntityUtils;

import java.io.IOException;
import java.net.URI;

public class TranslatorUtil {

    public static CloseableHttpClient createClient() {
        HttpClientBuilder builder = HttpClients.custom();

        return builder.setDefaultRequestConfig(RequestConfig.custom().setSocketTimeout(5000).setConnectTimeout(5000)
                .setConnectionRequestTimeout(5000).build()).build();
    }

    public static String fetchInfo(String query, TranslatorEx translator) {
        final CloseableHttpClient client = TranslatorUtil.createClient();
        try {
            final URI queryUrl = translator.createUrl(query);
            HttpGet httpGet = new HttpGet(queryUrl);
            HttpResponse response = client.execute(httpGet);
            int status = response.getStatusLine().getStatusCode();
            if (status >= 200 && status < 300) {
                HttpEntity resEntity = response.getEntity();
                return translator.generateSuccess(resEntity);
            } else {
                return translator.generateFail(response);
            }
        } catch (Exception ignore) {
            ignore.printStackTrace();
        } finally {
            try {
                client.close();
            } catch (IOException ignore) {
            }
        }
        return null;
    }

    public static ResultEntity fetchEntity(String query, TranslatorEx translator) {
        final CloseableHttpClient client = TranslatorUtil.createClient();
        try {
            final URI queryUrl = translator.createUrl(query);
            HttpGet httpGet = new HttpGet(queryUrl);
            HttpResponse response = client.execute(httpGet);
            int status = response.getStatusLine().getStatusCode();
            if (status >= 200 && status < 300) {
                HttpEntity entity = response.getEntity();
                if (entity == null)
                    return null;

                String json = EntityUtils.toString(entity);

                try {
                    return new Gson().fromJson(json, ResultEntity.class);
                } catch (JsonSyntaxException e) {
                    ResultEntity result = new ResultEntity();
                    result.setErrorCode(ResultEntity.ERROR_CODE_RESTRICTED);
                    return result;
                }
            }
        } catch (Exception ignore) {
            ignore.printStackTrace();
        } finally {
            try {
                client.close();
            } catch (IOException ignore) {
            }
        }
        return null;
    }

}