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js-options: refactoring and implementation of housekeeping tasks

This commit is contained in:
Eric van der Vlist 2021-05-01 12:34:21 +02:00
parent 1fee5c0083
commit 712eb51fac
2 changed files with 130 additions and 60 deletions
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22
oxygen/js-options/hello.js
View File

@ -18,9 +18,9 @@ hello = function () {
}
// Do the same with file specific options
Packages.java.lang.System.out.println("<options.setSystemId(undefined, 1)>");
options.setSystemId(undefined, 1);
Packages.java.lang.System.out.println("</options.setSystemId(undefined, 1)>");
Packages.java.lang.System.out.println("<options.setSystemId(undefined, 2)>");
options.setSystemId(null, 2);
Packages.java.lang.System.out.println("</options.setSystemId(undefined, 2)>");
options.setSystemIdOption('Hello', 'aligator');
options.setSystemIdOption('See you later', 'World');
var myOptions = options.getSystemIdOptions();
@ -32,4 +32,20 @@ hello = function () {
// Display some file specific properties
Packages.java.lang.System.out.println('options.systemId: ' + options.systemId);
Packages.java.lang.System.out.println('options.systemIdDigest: ' + options.systemIdDigest);
Packages.java.lang.System.out.println("<new Options(authorAccess, 'hello2', 20)>");
var options = new Options(authorAccess, 'hello2', 20);
Packages.java.lang.System.out.println("</new Options>");
// Delete options
// Packages.java.lang.System.out.println('Deleting options');
// options.deleteOption ('Hello');
// options.deleteOption ('See you later');
// myOptions = options.getOptions();
// for (var key in myOptions) {
// var value = myOptions[key];
// Packages.java.lang.System.out.println(key + ' ' + value);
// }
}

168
oxygen/js-options/options.js
View File

@ -1,22 +1,31 @@
/*
* Main features
*
* Shortcuts
*
*/
Options = function (authorAccess, namespace, lifetime, __system__) {
const out = Packages.java.lang.System.out;
/*
* Main features
*
*/
Options = function (authorAccess, namespace, lifetime, dontUpdateNsExpiration) {
this.namespace = namespace;
this.authorAccess = authorAccess;
this.optionsStorage = this.authorAccess.getOptionsStorage();
this.lifetime = lifetime;
this.expiration = Options.getExpiration(lifetime);
// Consider namespaces as a SYSTEM option
if ( __system__ !== true ) {
// Create an Options object in the SYSTEM namespace for internal use
if (this.namespace != Options.SYSTEM) {
this.systemOptions = new Options(authorAccess, Options.SYSTEM, null, true);
}
// Update NS expiration unless told otherwise (used for cleanup)
if (dontUpdateNsExpiration != true) {
this.__cleanup__();
var namespaces = JSON.parse(this.systemOptions.getOption(Options.NAMESPACES, '{}'));
namespaces[ this.namespace] = this.expiration;
Packages.java.lang.System.out.println('Namespaces update for ' + this.namespace );
this.systemOptions.setOption(Options.NAMESPACES, JSON.stringify(namespaces));
this.systemOptions.setValueInOption(Options.NAMESPACES, this.namespace, this.expiration);
}
}
@ -25,6 +34,10 @@ Options.NAMESPACES = '__namespaces__';
Options.HOUSEKEEPING = '__housekeeping__';
Options.HOUSEKEEPING_PERIOD = 1;
/*
* Static method to convert a lifetime into an expiration date
*
*/
Options.getExpiration = function (lifetime) {
if (lifetime == undefined) {
return null;
@ -35,32 +48,48 @@ Options.getExpiration = function (lifetime) {
}
}
/*
* Setter, getter and friends
*
*/
Options.prototype.getOption = function (key, defaultValue) {
this.optionsStorage.setOptionsDoctypePrefix(this.namespace);
return this.optionsStorage.getOption(key, defaultValue);
}
Options.prototype.getOptionObject = function (key) {
return JSON.parse(this.getOption(key, '{}'));
}
Options.prototype.setValueInOption = function (key, objectKey, value) {
var object = this.getOptionObject(key);
if (value == null) {
delete object[objectKey];
} else {
object[objectKey] = value;
}
if (Object.keys(object).length == 0) {
object = null;
}
this.setOptionObject(key, object);
return object;
}
Options.prototype.setOption = function (key, value) {
this.optionsStorage.setOptionsDoctypePrefix(Options.SYSTEM);
var options = JSON.parse(this.optionsStorage.getOption(this.namespace, '{}'));
options[key] = this.expiration;
this.optionsStorage.setOption(this.namespace, JSON.stringify(options));
if (this.namespace != Options.SYSTEM) {
this.systemOptions.setValueInOption(this.namespace, key, value == null ? null: this.expiration)
}
this.optionsStorage.setOptionsDoctypePrefix(this.namespace);
this.optionsStorage.setOption(key, value);
}
Options.prototype.setOptionObject = function (key, value) {
this.setOption(key, value == null ? null: JSON.stringify(value));
}
Options.prototype.deleteOption = function (key) {
this.optionsStorage.setOptionsDoctypePrefix(Options.SYSTEM);
var options = JSON.parse(this.optionsStorage.getOption(this.namespace, '{}'));
delete options[key];
if (Object.keys(options).length > 0 ){
this.optionsStorage.setOption(this.namespace, JSON.stringify(options));
} else {
this.optionsStorage.setOption(this.namespace, null);
}
this.optionsStorage.setOptionsDoctypePrefix(this.namespace);
this.optionsStorage.setOption(key, null);
this.setOption(key, null);
}
Options.prototype.getOptionKeys = function () {
@ -92,13 +121,17 @@ Options.prototype.getOptions = function () {
Options.SYSTEMIDS = '__systemIds__';
/*
* Set the system Id (current file by default, current lifetime by default)
*
*/
Options.prototype.setSystemId = function (systemID, lifetime) {
if (systemID === undefined) {
if (systemID == undefined) {
this.systemId = String(this.authorAccess.getDocumentController().getAuthorDocumentNode().getSystemID());
} else {
this.systemId = String(systemID);
}
if (lifetime === undefined) {
if (lifetime == undefined) {
this.systemIdLifetime = this.lifetime;
} else {
this.systemIdLifetime = lifetime;
@ -106,15 +139,42 @@ Options.prototype.setSystemId = function (systemID, lifetime) {
var md = java.security.MessageDigest.getInstance("SHA-1");
var digestBytes = md.digest(java.lang.String(this.systemId).getBytes(java.nio.charset.Charset.forName("UTF-8")));
this.systemIdDigest = javax.xml.bind.DatatypeConverter.printHexBinary(digestBytes);
var systemIds = JSON.parse(this.systemOptions.getOption(Options.SYSTEMIDS, '{}'));
systemIds[ this.systemIdDigest] = {
date: (new Date()).toISOString(),
systemId: this.systemId
}
this.systemOptions.setOption(Options.SYSTEMIDS, JSON.stringify(systemIds));
// Uncomment to store inverse matching
// var systemIds = JSON.parse(this.systemOptions.getOption(Options.SYSTEMIDS, '{}'));
// systemIds[ this.systemIdDigest] = {
// date: (new Date()).toISOString(),
// systemId: this.systemId
// }
// this.systemOptions.setOption(Options.SYSTEMIDS, JSON.stringify(systemIds));
this.systemIdOptions = new Options(this.authorAccess, this.namespace + '.' + this.systemIdDigest, this.systemIdLifetime);
}
/*
* Setter, getter and friends
*
*/
Options.prototype.getSystemIdOption = function (key, defaultValue) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
}
return this.systemIdOptions.getOption(key, defaultValue);
}
Options.prototype.getSystemIdOptionObject = function (key) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
}
return this.systemIdOptions.getOptionObject(key);
}
Options.prototype.setSystemIdValueInOption = function (key, objectKey, value) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
}
return this.systemIdOptions.setValueInOption(key, objectKey, value);
}
Options.prototype.setSystemIdOption = function (key, value) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
@ -122,6 +182,13 @@ Options.prototype.setSystemIdOption = function (key, value) {
this.systemIdOptions.setOption(key, value);
}
Options.prototype.setSystemIdOptionObject = function (key, value) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
}
this.systemIdOptions.setOptionObject(key, value);
}
Options.prototype.deleteSystemIdOption = function (key) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
@ -129,13 +196,6 @@ Options.prototype.deleteSystemIdOption = function (key) {
this.systemIdOptions.deleteOption(key);
}
Options.prototype.getSystemIdOption = function (key, defaultValue) {
if (this.systemIdOptions == undefined) {
this.setSystemId();
}
return this.systemIdOptions.getOption(key, defaultValue);
}
Options.prototype.getSystemIdOptions = function () {
if (this.systemIdOptions == undefined) {
this.setSystemId();
@ -163,26 +223,25 @@ Options.prototype.getSystemOptions = function () {
*
*/
/*
*
* General cleanup
*
*/
Options.prototype.__cleanup__ = function () {
// TODO: delete systemIds
var nextCleanup = this.systemOptions.getOption(Options.HOUSEKEEPING, null);
Packages.java.lang.System.out.println('nextCleanup: ' + nextCleanup);
if (nextCleanup == null) {
this.systemOptions.setOption(Options.HOUSEKEEPING, Options.getExpiration(Options.HOUSEKEEPING_PERIOD));
} else {
this.currentDate = (new Date()).toISOString();
//this.currentDate = Options.getExpiration(10);
Packages.java.lang.System.out.println('currentDate: ' + this.currentDate);
this.currentDate = Options.getExpiration(0);
if (nextCleanup <= this.currentDate) {
Packages.java.lang.System.out.println('Time to clean !');
var namespaces = JSON.parse(this.systemOptions.getOption(Options.NAMESPACES, '{}'));
for (var name in namespaces) {
if ( ! this.__cleanupNamespace__(name, namespaces[name])) {
delete namespaces[name];
Packages.java.lang.System.out.println('deleting empty namespace ' + name);
};
if (! this.__cleanupNamespace__(name, namespaces[name])) {
delete namespaces[name];
};
}
this.systemOptions.setOption(Options.NAMESPACES, JSON.stringify(namespaces));
this.systemOptions.setOption(Options.HOUSEKEEPING, Options.getExpiration(Options.HOUSEKEEPING_PERIOD));
@ -190,26 +249,21 @@ Options.prototype.__cleanup__ = function () {
}
}
/*
*
/*
*
* Cleanup a namespace, return true if there are still keys in the namespace
*
*
*/
Options.prototype.__cleanupNamespace__ = function (name, namespaceExpiration, currentDate) {
Packages.java.lang.System.out.println('Cleanup for namespace ' + name + ' / ' + namespaceExpiration);
var namespaceExpired = namespaceExpiration != null && namespaceExpiration <= this.currentDate;
var options = new Options(this.authorAccess, name, undefined, true);
var nsOptions = options.getOptionKeys();
for (var key in nsOptions) {
var keyExpiration = nsOptions[key];
Packages.java.lang.System.out.println(' Cleanup for option ' + key + ' / ' + keyExpiration);
if ( namespaceExpired || (keyExpiration != null && keyExpiration <= this.currentDate) ) {
if (namespaceExpired || (keyExpiration != null && keyExpiration <= this.currentDate)) {
options.deleteOption(key);
Packages.java.lang.System.out.println(' deleting key ' + key);
}
}
nsOptions = options.getOptionKeys();
return Object.keys(nsOptions).length > 0;
}
}