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Copy pathConfig.java
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319 lines (275 loc) · 11.1 KB
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package javaxt.express;
import javaxt.json.*;
import java.util.*;
//******************************************************************************
//** Config Class
//******************************************************************************
/**
* Provides thread-safe methods used to get and set application variables.
*
******************************************************************************/
public class Config {
private List<JSONObject> config;
//**************************************************************************
//** Constructor
//**************************************************************************
public Config(){
config = new LinkedList<>();
config.add(new JSONObject());
}
//**************************************************************************
//** init
//**************************************************************************
/** Used to initialize the config with a given JSON document. This will
* replace any previously assigned config values.
*/
public void init(JSONObject json){
synchronized(config){
config.set(0, json);
config.notify();
}
}
//**************************************************************************
//** get
//**************************************************************************
/** Returns the value for a given key.
*/
public JSONValue get(String key){
synchronized(config){
return config.get(0).get(key);
}
}
//**************************************************************************
//** get
//**************************************************************************
/** Returns a nested value associated with the given keys
*/
public JSONValue get(String... path){
synchronized(config){
return config.get(0).get(path);
}
}
//**************************************************************************
//** set
//**************************************************************************
/** Used to set the value for a given key.
*/
public void set(String key, Object value){
synchronized(config){
config.get(0).set(key, value);
config.notify();
}
}
//**************************************************************************
//** has
//**************************************************************************
/** Returns true if the config has a given key.
*/
public boolean has(String key){
synchronized(config){
return config.get(0).has(key);
}
}
//**************************************************************************
//** getKeys
//**************************************************************************
/** Returns a list of keys found in the config.
*/
public ArrayList<String> getKeys(){
ArrayList<String> keys = new ArrayList<>();
synchronized(config){
for (String key : config.get(0).keySet()){
keys.add(key);
}
}
return keys;
}
//**************************************************************************
//** isEmpty
//**************************************************************************
/** Returns true if there are no entries in the config.
*/
public boolean isEmpty(){
return getKeys().isEmpty();
}
//**************************************************************************
//** getDatabase
//**************************************************************************
/** Returns a Database assigned to a "database" key.
*/
public javaxt.sql.Database getDatabase(){
JSONValue val = get("database");
if (val==null) return null;
if (val.toObject() instanceof javaxt.sql.Database){
return (javaxt.sql.Database) val.toObject();
}
else{
javaxt.sql.Database database = getDatabase(val);
if (database!=null) setDatabase(database);
return database;
}
}
//**************************************************************************
//** getDatabase
//**************************************************************************
/** Used to parse database connection information found in a given JSONValue
* and returns a Database object.
*/
public static javaxt.sql.Database getDatabase(JSONValue val){
return getDatabase(val.toJSONObject());
}
//**************************************************************************
//** getDatabase
//**************************************************************************
/** Used to parse database connection information found in a given JSONObject
* and returns a Database object. Example:
<pre>
{
"driver": "PostgreSQL",
"host": "localhost:5432",
"name": "test",
"username": "postgres",
"password": "xxxxxxxx",
"maxConnections": 35
}
</pre>
*/
public static javaxt.sql.Database getDatabase(JSONObject json){
if (json==null) return null;
javaxt.sql.Database database = new javaxt.sql.Database();
database.setDriver(json.get("driver").toString());
database.setHost(json.get("host").toString());
database.setName(json.get("name").toString());
database.setUserName(json.get("username").toString());
database.setPassword(json.get("password").toString());
if (json.has("maxConnections")){
database.setConnectionPoolSize(json.get("maxConnections").toInteger());
}
return database;
}
//**************************************************************************
//** setDatabase
//**************************************************************************
/** Used to assign a Database to a "database" key.
*/
public void setDatabase(javaxt.sql.Database database){
set("database", database);
}
//**************************************************************************
//** getEmail
//**************************************************************************
/** Returns an instance of an EmailService assigned to a "email" key.
*/
public javaxt.express.email.EmailService getEmail(){
JSONValue val = get("email");
if (val==null) return null;
if (val.toObject() instanceof javaxt.express.email.EmailService){
return (javaxt.express.email.EmailService) val.toObject();
}
else{
javaxt.express.email.EmailService email = getEmail(val);
if (email!=null) setEmail(email);
return email;
}
}
//**************************************************************************
//** getEmail
//**************************************************************************
/** Used to parse email connection information found in a given JSONValue
* and returns an instance of an EmailService.
*/
public static javaxt.express.email.EmailService getEmail(JSONValue emailConfig){
return getEmail(emailConfig.toJSONObject());
}
//**************************************************************************
//** setEmail
//**************************************************************************
/** Used to parse email connection information found in a given JSONObject
* and returns an instance of an EmailService. Example:
<pre>
{
"host": "secure.emailsrvr.com",
"port": 465,
"username": "name@somedomain.com",
"password": "xxxxxxxx",
}
</pre>
*/
public static javaxt.express.email.EmailService getEmail(JSONObject emailConfig){
if (emailConfig==null) return null;
javaxt.express.email.EmailService emailService = new javaxt.express.email.EmailService(
emailConfig.get("host").toString(),
emailConfig.get("port").toInteger(),
emailConfig.get("username").toString(),
emailConfig.get("password").toString()
);
//Enable TLS as needed
Boolean tls = emailConfig.get("tls").toBoolean();
if (tls!=null){
if (tls) emailService.enableTLS();
}
return emailService;
}
//**************************************************************************
//** setEmail
//**************************************************************************
/** Used to assign an EmailService to an "email" key.
*/
public void setEmail(javaxt.express.email.EmailService email){
set("email", email);
}
//**************************************************************************
//** toJson
//**************************************************************************
/** Returns the current config in JSON notation.
*/
public JSONObject toJson(){
JSONObject json = new JSONObject();
synchronized(config){
JSONObject currConfig = config.get(0);
for (String key : currConfig.keySet()){
JSONValue val = currConfig.get(key);
Object obj = val.toObject();
if (obj instanceof javaxt.sql.Database){
javaxt.sql.Database database = (javaxt.sql.Database) obj;
JSONObject db = new JSONObject();
String host = database.getHost();
Integer port = database.getPort();
if (port!=null && port>0) host += ":" + port;
db.set("driver", database.getDriver().getVendor());
db.set("host", host);
db.set("name", database.getName());
db.set("username", database.getUserName());
db.set("password", database.getPassword());
db.set("maxConnections", database.getConnectionPoolSize());
json.set(key, db);
}
else if (obj instanceof javaxt.express.email.EmailService){
javaxt.express.email.EmailService email = (javaxt.express.email.EmailService) obj;
JSONObject emailConfig = new JSONObject();
emailConfig.set("host", email.getHost());
emailConfig.set("port", email.getPort());
emailConfig.set("username", email.getUserName());
emailConfig.set("password", email.getPassword());
Properties properties = email.getProperties();
for (Object p : properties.keySet()){
String prop = p.toString();
if (prop.equals("mail.smtp.starttls.enable") ||
prop.equals("mail.smtp.starttls.required")){
String v = properties.get(prop).toString();
if (v.equalsIgnoreCase("true")){
emailConfig.set("tls", true);
break;
}
}
}
json.set(key, emailConfig);
}
else{
json.set(key, obj);
}
}
}
return json;
}
}
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