com.github.jobs.api.GithubJobsApi.java Source code

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Here is the source code for com.github.jobs.api.GithubJobsApi.java

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/*
 * Copyright 2012 CodeSlap
 *
 * 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.github.jobs.api;

import com.github.bean.Job;
import com.github.bean.Search;
import com.github.util.HttpHandler;
import com.google.gson.Gson;
import org.apache.commons.httpclient.HttpMethod;
import org.apache.commons.httpclient.NameValuePair;
import org.apache.commons.httpclient.URIException;
import org.apache.commons.httpclient.methods.GetMethod;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

/**
 * @author cristian
 */
public class GithubJobsApi {

    public static final String SUBSCRIPTION_EMAIL_PARAM = "email";
    public static final String SUBSCRIPTION_DESCRIPTION_PARAM = "description";
    public static final String SUBSCRIPTION_LOCATION_PARAM = "location";
    public static final String SUBSCRIPTION_FULL_TIME_PARAM = "full_time";
    public static final String SUBSCRIPTION_OK_PARAM = "ok";

    public static List<Job> search(Search search) {
        ArrayList<NameValuePair> pairs = new ArrayList<NameValuePair>();
        if (search.getSearch() != null) {
            pairs.add(new NameValuePair(ApiConstants.SEARCH, search.getSearch()));
        }
        if (search.getLocation() != null) {
            pairs.add(new NameValuePair(ApiConstants.LOCATION, search.getLocation()));
        } else if (search.getLatitude() != 0 && search.getLongitude() != 0) {
            pairs.add(new NameValuePair(ApiConstants.LATITUDE, String.valueOf(search.getLatitude())));
            pairs.add(new NameValuePair(ApiConstants.LONGITUDE, String.valueOf(search.getLongitude())));
        }
        if (search.getPage() > 0) {
            pairs.add(new NameValuePair(ApiConstants.PAGE, String.valueOf(search.getPage())));
        }
        if (search.isFullTime()) {
            pairs.add(new NameValuePair(ApiConstants.FULL_TIME, String.valueOf(search.isFullTime())));
        }
        try {
            String url = createUrl(ApiConstants.POSITIONS_URL, pairs);
            String response = HttpHandler.getInstance().getRequest(url);
            if (response == null) {
                throw new RuntimeException("Error calling API; it returned null.");
            }

            // convert json to object
            Gson gson = new Gson();
            JSONArray jsonArray = new JSONArray(response);
            List<Job> jobs = new ArrayList<Job>();
            for (int i = 0; i < jsonArray.length(); i++) {
                JSONObject object = jsonArray.getJSONObject(i);
                jobs.add(gson.fromJson(object.toString(), Job.class));
            }
            return jobs;
        } catch (URIException e) {
            e.printStackTrace();
        } catch (JSONException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static Job getJob(String id, boolean markdown) {
        String baseUrl = String.format(ApiConstants.JOB_URL, id);
        ArrayList<NameValuePair> pairs = new ArrayList<NameValuePair>();
        if (markdown) {
            pairs.add(new NameValuePair(ApiConstants.MARKDOWN, String.valueOf(markdown)));
        }
        try {
            String url = createUrl(baseUrl, pairs);
            String response = HttpHandler.getInstance().getRequest(url);

            // convert json to object
            Gson gson = new Gson();
            return gson.fromJson(response, Job.class);
        } catch (URIException e) {
            e.printStackTrace();
        }
        return null;
    }

    public static boolean subscribe(String email, String description, String location, boolean fullTime) {
        HashMap<String, String> parameters = new HashMap<String, String>();
        parameters.put(SUBSCRIPTION_EMAIL_PARAM, email);
        parameters.put(SUBSCRIPTION_DESCRIPTION_PARAM, description);
        parameters.put(SUBSCRIPTION_LOCATION_PARAM, location);
        parameters.put(SUBSCRIPTION_FULL_TIME_PARAM, String.valueOf(fullTime));
        String response = HttpHandler.getInstance().postRequest(ApiConstants.EMAIL_SUBSCRIPTION_URL, parameters);
        return SUBSCRIPTION_OK_PARAM.equals(response);
    }

    private static String createUrl(String url, List<NameValuePair> pairs) throws URIException {
        HttpMethod method = new GetMethod(url);
        NameValuePair[] nameValuePairs = pairs.toArray(new NameValuePair[pairs.size()]);
        method.setQueryString(nameValuePairs);
        return method.getURI().getEscapedURI();
    }
}