package com.wistron.WiGallery.GEO;
import java.io.BufferedReader;
import java.io.InputStreamReader;
import org.apache.http.HttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.DefaultHttpClient;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import Utilities.CSStaticData;
import Utilities.FileOperation;
import android.util.Log;
/**
* Copyright (c) 2011 Wistron SWPC
* All rights reserved.
* @author Cocoonshu
* @date 2012-03-05 15:33:53
* @purpose 联网查询Google地理信息
* @detail
*/
/*
{
"results" : [
{
"address_components" : [
{
"long_name" : "103省道",
"short_name" : "S303",
"types" : [ "route" ]
},
{
"long_name" : "涪陵区",
"short_name" : "涪陵区",
"types" : [ "sublocality", "political" ]
},
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "locality", "political" ]
},
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "中国",
"short_name" : "CN",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "中国重庆 涪陵区103省道",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 29.71671280,
"lng" : 107.41133150
},
"southwest" : {
"lat" : 29.7105910,
"lng" : 107.40940930
}
},
"location" : {
"lat" : 29.71371960,
"lng" : 107.41010450
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 29.71671280,
"lng" : 107.4117193802915
},
"southwest" : {
"lat" : 29.7105910,
"lng" : 107.4090214197085
}
}
},
"types" : [ "route" ]
},
{
"address_components" : [
{
"long_name" : "涪陵区",
"short_name" : "涪陵区",
"types" : [ "sublocality", "political" ]
},
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "locality", "political" ]
},
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "中国",
"short_name" : "CN",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "中国重庆 涪陵区",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 30.00142650,
"lng" : 107.71963580
},
"southwest" : {
"lat" : 29.35975380,
"lng" : 106.94597010
}
},
"location" : {
"lat" : 29.7031130,
"lng" : 107.3892980
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 30.00142650,
"lng" : 107.71963580
},
"southwest" : {
"lat" : 29.35975380,
"lng" : 106.94597010
}
}
},
"types" : [ "sublocality", "political" ]
},
{
"address_components" : [
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "中国",
"short_name" : "CN",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "中国重庆",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 32.20118710,
"lng" : 110.19985820
},
"southwest" : {
"lat" : 28.16022530,
"lng" : 105.28976060
}
},
"location" : {
"lat" : 29.563010,
"lng" : 106.5515570
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 32.20118710,
"lng" : 110.19985820
},
"southwest" : {
"lat" : 28.16022530,
"lng" : 105.28976060
}
}
},
"types" : [ "administrative_area_level_1", "political" ]
},
{
"address_components" : [
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "locality", "political" ]
},
{
"long_name" : "重庆",
"short_name" : "重庆",
"types" : [ "administrative_area_level_1", "political" ]
},
{
"long_name" : "中国",
"short_name" : "CN",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "中国重庆",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 32.20118710,
"lng" : 110.19985820
},
"southwest" : {
"lat" : 28.16022530,
"lng" : 105.28976060
}
},
"location" : {
"lat" : 29.563010,
"lng" : 106.5515570
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 29.74019680,
"lng" : 106.81382420
},
"southwest" : {
"lat" : 29.36962830,
"lng" : 106.28328320
}
}
},
"types" : [ "locality", "political" ]
},
{
"address_components" : [
{
"long_name" : "中国",
"short_name" : "CN",
"types" : [ "country", "political" ]
}
],
"formatted_address" : "中国",
"geometry" : {
"bounds" : {
"northeast" : {
"lat" : 53.56097399999999,
"lng" : 134.772810
},
"southwest" : {
"lat" : 18.15352160,
"lng" : 73.49941369999999
}
},
"location" : {
"lat" : 35.861660,
"lng" : 104.1953970
},
"location_type" : "APPROXIMATE",
"viewport" : {
"northeast" : {
"lat" : 53.56097399999999,
"lng" : 134.772810
},
"southwest" : {
"lat" : 18.15352160,
"lng" : 73.49941369999999
}
}
},
"types" : [ "country", "political" ]
}
],
"status" : "OK"
}
*/
public class GEOCoder {
private static final String TAG = "GEOcoder";
public static final int GEO_LINK_OK = 200;
public static final int PRECISION_ORG = 0x0201; //地理位置优化精度：原始坐标
public static final int PRECISION_OPT = 0x0202; //地理位置优化精度：优化坐标
private static long mLastRequestTime = 0; //上次请求的时间
/**
* 获取地理地址JSON, 不能在主线程中使用
* @param longitude
* @param latitude
* @return
*/
public static StringBuilder getAddress(double longitude, double latitude, String langeuage) {
String uriAPI = null;
StringBuilder result = null;
BufferedReader buffer = null;
HttpGet httpRequest = null;
HttpResponse httpResponse = null;
if(langeuage == null || langeuage.equals("")){
langeuage = "en-EN";
}
if(Double.isNaN(longitude) && Double.isNaN(latitude)){
return null;
}
if(longitude == 0 && latitude == 0){
return null;
}
/*
* http://maps.googleapis.com/maps/api/geocode/json?latlng=40.714224,-73.961452&sensor=true_or_false
*/
uriAPI = "https://maps.googleapis.com/maps/api/geocode/json?"
+ "latlng="
+ FileOperation.double2String(longitude, 6)
+ ","
+ FileOperation.double2String(latitude, 6)
+ "&sensor=false"
+ "&language="
+ langeuage;
//执行GoolgeAPI请求等待
long diffTime = System.currentTimeMillis() - mLastRequestTime;
if(diffTime < CSStaticData.GEO_REQUEST_SLEEP){
try {
Thread.sleep(CSStaticData.GEO_REQUEST_SLEEP - diffTime);
} catch (InterruptedException exp) {
if(CSStaticData.DEBUG){
exp.printStackTrace();
}
}
}
mLastRequestTime = System.currentTimeMillis();
if(CSStaticData.DEBUG){
Log.w(TAG, "[getAddress]在线请求 GPS(" + latitude + ", " + longitude + "):");
}
httpRequest = new HttpGet(uriAPI);
try {
httpResponse = new DefaultHttpClient().execute(httpRequest);
if (httpResponse.getStatusLine().getStatusCode() == GEO_LINK_OK) {
result = new StringBuilder();
buffer = new BufferedReader(new InputStreamReader(httpResponse.getEntity().getContent()));
for (String itr = buffer.readLine(); itr != null; itr = buffer.readLine()) {
result.append(itr);
}
}else{
result = null;
}
} catch (Exception e) {
if(CSStaticData.DEBUG){
e.printStackTrace();
}
result = null;
}
return result;
}
public static String[] parserJSON(String jsonContent, int precision) {
String[] result = null;
int compArraySize = 0;
int resultsArraySize = 0;
JSONObject jsonRoot = null; //整个JSON文件
JSONArray jsonResults = null; //Results节点
String jsonStatus = null; //Status节点
JSONArray jsonAddressComponents = null; //AddressCompenents节点
JSONObject jsonResultsNode = null; //AddressResults节点
JSONObject jsonAddressNode = null; //AddressDetail节点
String addressCountry = null; //表示国家政治实体。在地址解析器返回的结果中，该部分通常列在最前面。
String addressAdministrativeAreaLevel_1 = null; //表示仅次于国家级别的行政实体。在美国，这类行政实体是指州。并非所有国家都有该行政级别。
String addressAdministrativeAreaLevel_2 = null; //表示国家级别下的二级行政实体。在美国，这类行政实体是指县。并非所有国家都有该行政级别。
String addressAdministrativeAreaLevel_3 = null; //表示国家级别下的三级行政实体。此类型表示较小的行政单位。并非所有国家都有该行政级别。
String addressLocality = null; //表示合并的市镇级别政治实体。
String addressSublocality = null; //表示仅次于地区级别的行政实体。
try {
//获取JSON root层节点序列
jsonRoot = new JSONObject(jsonContent);
jsonResults = jsonRoot.optJSONArray("results");
jsonStatus = jsonRoot.optString("status");
//判断status节点
if(CSStaticData.DEBUG){
Log.w(TAG, "[parserJSON]Google服务器状态： " + jsonStatus);
}
if(jsonStatus == null || !jsonStatus.equals("OK")){
return null;
}
//获取JSON address_components层节点序列
if(jsonResults != null && jsonResults.length() > 0){
resultsArraySize = jsonResults.length();
for(int i = 0; i < resultsArraySize; i++){
jsonResultsNode = jsonResults.optJSONObject(i);
jsonAddressComponents = jsonResultsNode.optJSONArray("address_components");
if(jsonResultsNode != null && jsonResultsNode.optJSONArray("types").getString(0).equals("route")){// 优先检查精确地址
if(jsonAddressComponents != null && jsonAddressComponents.length() > 0){
compArraySize = jsonAddressComponents.length();
for(int j = 0; j < compArraySize; j++){
jsonAddressNode = jsonAddressComponents.optJSONObject(j);
if(jsonAddressNode != null){
if(jsonAddressNode.optJSONArray("types").getString(0).equals("country")){
addressCountry = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_1")){
addressAdministrativeAreaLevel_1 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_2")){
addressAdministrativeAreaLevel_2 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_3")){
addressAdministrativeAreaLevel_3 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("locality")){
addressLocality = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("sublocality")){
addressSublocality = jsonAddressNode.optString("long_name");
continue;
}
}
}
}
break;
}else{// 没有精确地址，则检查第二级地址
if(jsonAddressComponents != null && jsonAddressComponents.length() > 0){
compArraySize = jsonAddressComponents.length();
for(int j = 0; j < compArraySize; j++){
jsonAddressNode = jsonAddressComponents.optJSONObject(j);
if(jsonAddressNode != null){
if(jsonAddressNode.optJSONArray("types").getString(0).equals("country")){
addressCountry = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_1")){
addressAdministrativeAreaLevel_1 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_2")){
addressAdministrativeAreaLevel_2 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("administrative_area_level_3")){
addressAdministrativeAreaLevel_3 = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("locality")){
addressLocality = jsonAddressNode.optString("long_name");
continue;
}
if(jsonAddressNode.optJSONArray("types").getString(0).equals("sublocality")){
addressSublocality = jsonAddressNode.optString("long_name");
continue;
}
}
}
}
break;
}
}
int m = 0;
result = new String[4];
result[m] = addressCountry;
m++;
if(addressAdministrativeAreaLevel_1 != null && !addressAdministrativeAreaLevel_1.equals("")){
result[m] = addressAdministrativeAreaLevel_1;
m++;
}
if(addressAdministrativeAreaLevel_2 != null && !addressAdministrativeAreaLevel_2.equals("")){
result[m] = addressAdministrativeAreaLevel_2;
m++;
}
if(addressAdministrativeAreaLevel_3 != null && !addressAdministrativeAreaLevel_3.equals("")){
result[m] = addressAdministrativeAreaLevel_3;
m++;
}
if(m < 4){
result[m] = addressLocality;
m++;
}
if(m < 4){
result[m] = addressSublocality;
m++;
}
}
if(CSStaticData.DEBUG){
Log.w(TAG,"[parserJSON]原始坐标地理信息：" + jsonRoot.toString());
}
} catch (JSONException e) {
if(CSStaticData.DEBUG){
e.printStackTrace();
}
result = null;
}
return result;
}
}