com.appjma.appdeployer.service.Parser.java Source code

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Here is the source code for com.appjma.appdeployer.service.Parser.java

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/*
 * Copyright (C) 2013 Jacek Marchwicki <jacek.marchwicki@gmail.com>
 *
 * 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.appjma.appdeployer.service;

import java.text.ParseException;
import java.text.SimpleDateFormat;
import java.util.Date;
import java.util.Locale;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

public class Parser {

    private final ParserResult mParserResult;
    private SimpleDateFormat mDateFormat;

    public Parser(ParserResult parserResult) {
        mParserResult = parserResult;
        mDateFormat = new SimpleDateFormat("MMM F, y h:m:s a", Locale.UK);
    }

    public void parseApps(JSONObject json) throws JSONException {
        JSONArray items = JSONHelper.getJSONArrayOrEmtpy(json, "items");
        for (int i = 0; i < items.length(); i++) {
            JSONObject item = items.getJSONObject(i);
            parseApp(null, item);
        }
        String nextToken = JSONHelper.getStrinOrNull(json, "next_token");
        mParserResult.setAppsNextToken(nextToken);
    }

    public void parseApp(String id, JSONObject json) throws JSONException {
        String guid = JSONHelper.getStrinOrThrow(json, "guid");
        String name = JSONHelper.getStrinOrThrow(json, "name");
        String token = JSONHelper.getStrinOrThrow(json, "token");
        Date createdAt = getTimeOrThrow(json, "created_at");
        Date updatedAt = getTimeOrThrow(json, "updated_at");
        mParserResult.addApp(id, guid, name, token, createdAt, updatedAt);
    }

    public void parseAppVersions(String appId, JSONObject json) throws JSONException {
        JSONArray items = JSONHelper.getJSONArrayOrEmtpy(json, "items");
        for (int i = 0; i < items.length(); i++) {
            JSONObject item = items.getJSONObject(i);
            parseAppVersion(appId, item);
        }
    }

    private Date getTimeOrThrow(JSONObject json, String key) throws JSONException {
        String time = JSONHelper.getStrinOrNull(json, key);
        try {
            return mDateFormat.parse(time);
        } catch (ParseException e) {
            throw new JSONException("Could not parse time field \"" + key + "\" because: " + e.getMessage());
        }
    }

    private void parseAppVersion(String appId, JSONObject json) throws JSONException {
        String guid = JSONHelper.getStrinOrThrow(json, "guid");
        String version = JSONHelper.getStrinOrThrow(json, "version");
        String downloadUrl = JSONHelper.getStrinOrThrow(json, "app_download_url");
        Date createdAt = getTimeOrThrow(json, "created_at");
        Date updatedAt = getTimeOrThrow(json, "updated_at");
        mParserResult.addAppVersion(appId, guid, version, downloadUrl, createdAt, updatedAt);

    }

}