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Salesforce and Google Maps API to calculate distance borrowed from: http://bulkified.com/How+to+use+the+Google+Maps+API+in+Salesforce.com
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public class googleMaps { | |
public String duration {get;set;} | |
public Integer travelTime {get;set;} | |
public Decimal distance {get;set;} | |
public googleMaps( | |
String address1, | |
String address2) { | |
String jsonResults = getJsonResults(address1, address2); | |
jsonResults = formatJsonResults(jsonResults); | |
updateJsonSections(jsonResults); | |
} | |
public String getJsonResults( | |
String address1, | |
String address2) { | |
HttpRequest req = new HttpRequest(); | |
Http http = new Http(); | |
req.setMethod('GET'); | |
String url = 'https://maps.googleapis.com/maps/api/distancematrix/json' | |
+ '?origins=' + address1 | |
+ '&destinations=' + address2 | |
+ '&mode=driving' | |
+ '&sensor=false' | |
+ '&language=en' | |
+ '&units=imperial'; | |
req.setEndPoint(url); | |
HTTPResponse resp = http.send(req); | |
String jsonResults = resp.getBody().replace('\n', ''); | |
return jsonResults; | |
} | |
public String formatJsonResults(String value) { | |
value = value.replace('{', ', '); | |
value = value.replace('}', ', '); | |
value = value.replace('[', ', '); | |
value = value.replace(']', ', '); | |
value = value.replace('"', ''); | |
return value; | |
} | |
public void updateJsonSections( | |
String jsonResults) { | |
List<String> jsonSections = jsonResults.split(', '); | |
for (Integer i = 0; i < jsonSections.size(); i++) { | |
jsonSections[i] = jsonSections[i].trim(); | |
if (jsonSections[i].contains('duration:')) { | |
duration = parseDuration(jsonSections[i + 2]); | |
travelTime = parseTravelTime(duration); | |
} | |
if (jsonSections[i].contains('distance:')) { | |
distance = parseDistance(jsonSections[i + 2]); | |
} | |
} | |
} | |
public Decimal parseDistance(String value) { | |
value = value.replace('text: ', ''); | |
value = value.replace(' mi', ''); | |
value = value.replace(' ft', ''); | |
value = value.replace(',', ''); | |
value = value.trim(); | |
return Decimal.valueOf(value); | |
} | |
public String parseDuration(String value) { | |
value = value.replace('text: ', ''); | |
return value; | |
} | |
public Integer parseTravelTime(String value) { | |
Integer tmpMinutes = 0; | |
List<String> durationNodes = value.split(' '); | |
String prevDurationNode = ''; | |
for (String durationNode : durationNodes) { | |
if (durationNode == 'day' || durationNode == 'days') { | |
tmpMinutes += Integer.valueOf(prevDurationNode) * 1440; | |
} | |
if (durationNode == 'hour' || durationNode == 'hours') { | |
tmpMinutes += Integer.valueOf(prevDurationNode) * 60; | |
} | |
if (durationNode == 'min' || durationNode == 'mins') { | |
tmpMinutes += Integer.valueOf(prevDurationNode); | |
} | |
prevDurationNode = durationNode; | |
} | |
return tmpMinutes; | |
} | |
} |
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public class test_ctrl_GoogleMaps_Accounts { | |
/* Constructor */ | |
public test_ctrl_GoogleMaps_Accounts() { | |
updateAccounts(); | |
} | |
/* Accounts */ | |
public List<Account> accounts = new List<Account>(); | |
public List<Account> getAccounts() { | |
return accounts; | |
} | |
public void updateAccounts() { | |
accounts = | |
[SELECT Id, Name, ShippingStreet, ShippingCity, | |
ShippingState, ShippingPostalCode, ShippingCountry | |
FROM Account | |
WHERE ShippingStreet <> '' | |
LIMIT 100]; | |
} | |
/* Account Variables */ | |
public String account1Id {get;set;} | |
public Account account1 {get;set;} | |
public String account1Address {get;set;} | |
public String account2Id {get;set;} | |
public Account account2 {get;set;} | |
public String account2Address {get;set;} | |
public void updateAccountVariables() { | |
for (Account a : accounts) { | |
if (a.Id == account1Id) { | |
account1 = a; | |
} | |
if (a.Id == account2Id) { | |
account2 = a; | |
} | |
} | |
} | |
public void updateAccountAddresses() { | |
account1Address = EncodingUtil.urlEncode( | |
+ account1.ShippingStreet + ' ' | |
+ account1.ShippingCity + ', ' | |
+ account1.ShippingState + ' ' | |
+ account1.ShippingPostalCode + ' ' | |
+ account1.ShippingCountry, | |
'UTF-8'); | |
account2Address = EncodingUtil.urlEncode( | |
+ account2.ShippingStreet + ' ' | |
+ account2.ShippingCity + ', ' | |
+ account2.ShippingState + ' ' | |
+ account2.ShippingPostalCode + ' ' | |
+ account2.ShippingCountry, | |
'UTF-8'); | |
} | |
/* Account Options */ | |
public List<selectOption> getAccountOptions() { | |
List<selectOption> options = new List<selectOption>(); | |
for (Account a : accounts) { | |
options.add(new selectOption(a.Id, a.Name)); | |
} | |
return options; | |
} | |
/* Button Action */ | |
public void btnCalculateDistance_Click() { | |
updateAccountVariables(); | |
updateAccountAddresses(); | |
googleMaps gm = new googleMaps( | |
account1Address, | |
account2Address); | |
distance = gm.distance; | |
duration = gm.duration; | |
travelTime = gm.travelTime; | |
} | |
/* Results */ | |
public Decimal distance {get;set;} | |
public String duration {get;set;} | |
public Integer travelTime {get;set;} | |
} |
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<apex:page controller="test_ctrl_GoogleMaps_Accounts"> | |
<apex:form > | |
<apex:pageBlock title="Google Maps"> | |
<apex:pageBlockSection columns="1"> | |
<apex:pageBlockSectionItem > | |
<apex:outputText value="Account #1" /> | |
<apex:selectList value="{!account1Id}" size="1"> | |
<apex:selectOptions value="{!accountOptions}" /> | |
</apex:selectList> | |
</apex:pageBlockSectionItem> | |
<apex:pageBlockSectionItem > | |
<apex:outputText value="Account #2" /> | |
<apex:selectList value="{!account2Id}" size="1"> | |
<apex:selectOptions value="{!accountOptions}" /> | |
</apex:selectList> | |
</apex:pageBlockSectionItem> | |
</apex:pageBlockSection> | |
<apex:pageBlockButtons location="bottom"> | |
<apex:commandButton id="btnCalculateDistance" | |
value="Calculate Distance" action="{!btnCalculateDistance_Click}" | |
rerender="pbResults" /> | |
</apex:pageBlockButtons> | |
</apex:pageBlock> | |
<apex:pageBlock id="pbResults" title="Results"> | |
<apex:pageBlockSection columns="1"> | |
<apex:pageBlockSectionItem > | |
<apex:outputText value="Distance (miles)" /> | |
<apex:outputText value="{!distance}" /> | |
</apex:pageBlockSectionItem> | |
<apex:pageBlockSectionItem > | |
<apex:outputText value="Duration" /> | |
<apex:outputText value="{!duration}" /> | |
</apex:pageBlockSectionItem> | |
<apex:pageBlockSectionItem > | |
<apex:outputText value="Travel Time (minutes)" /> | |
<apex:outputText value="{!travelTime}" /> | |
</apex:pageBlockSectionItem> | |
</apex:pageBlockSection> | |
</apex:pageBlock> | |
</apex:form> | |
</apex:page> |
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