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js-options: implementing housekeeping tasks

This commit is contained in:
Eric van der Vlist 2021-04-30 18:50:49 +02:00
parent d711a5851d
commit 832ca857b2
2 changed files with 64 additions and 11 deletions
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3
oxygen/js-options/hello.js
View File

@ -2,7 +2,7 @@ hello = function () {
include('options.js');
// Instanciation
var options = new Options(authorAccess, 'hello');
var options = new Options(authorAccess, 'hello', 10);
// Set up a couple of options
options.setOption('Hello', 'World');
@ -16,6 +16,7 @@ hello = function () {
}
// Do the same with file specific options
options.setSystemId(undefined, 2);
options.setSystemIdOption('Hello', 'aligator');
options.setSystemIdOption('See you later', 'World');
var myOptions = options.getSystemIdOptions();

72
oxygen/js-options/options.js
View File

@ -2,21 +2,38 @@
* Main features
*/
Options = function (authorAccess, namespace) {
Options = function (authorAccess, namespace, lifetime) {
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 (namespace != Options.SYSTEM) {
this.systemOptions = new Options(authorAccess, Options.SYSTEM);
var namespaces = JSON.parse(this.systemOptions.getOption(Options.NAMESPACES, '{}'));
namespaces[ this.namespace] = (new Date()).toISOString();
this.systemOptions.setOption(Options.NAMESPACES, JSON.stringify(namespaces))
namespaces[ this.namespace] = this.expiration;
this.systemOptions.setOption(Options.NAMESPACES, JSON.stringify(namespaces));
this.__cleanup__();
}
}
Options.SYSTEM = '__system__';
Options.NAMESPACES = '__namespaces__';
Options.HOUSEKEEPING = '__housekeeping__';
Options.HOUSEKEEPING_PERIOD = 1;
Options.getExpiration = function (lifetime) {
if (lifetime === undefined) {
return null;
} else {
var d = new Date();
d.setDate(d.getDate() + lifetime);
return d.toISOString();
}
}
Options.prototype.getOption = function (key, defaultValue) {
this.optionsStorage.setOptionsDoctypePrefix(this.namespace);
@ -26,7 +43,7 @@ Options.prototype.getOption = function (key, defaultValue) {
Options.prototype.setOption = function (key, value) {
this.optionsStorage.setOptionsDoctypePrefix(Options.SYSTEM);
var options = JSON.parse(this.optionsStorage.getOption(this.namespace, '{}'));
options[key] = (new Date()).toISOString();
options[key] = this.expiration;
this.optionsStorage.setOption(this.namespace, JSON.stringify(options));
this.optionsStorage.setOptionsDoctypePrefix(this.namespace);
this.optionsStorage.setOption(key, value);
@ -38,7 +55,8 @@ Options.prototype.getOptionsKeys = function () {
}
Options.prototype.getOptions = function () {
var results = {};
var results = {
};
var options = this.getOptionsKeys();
for (var key in options) {
results[key] = this.getOption(key, '');
@ -48,24 +66,29 @@ Options.prototype.getOptions = function () {
/*
* Per file extensions
*
*
* Setting a systemID creates a new namespace that concatenates the current namespace
* and the SHA1 of the document ID.
*
*
* Access to the options of this namespace is done through specific methods.
*
*
* The reverse mapping (SHA1 to system ID) is stored using the __systemIds__ namespace.
*
*/
Options.SYSTEMIDS = '__systemIds__';
Options.prototype.setSystemId = function (systemID) {
Options.prototype.setSystemId = function (systemID, lifetime) {
if (systemID === undefined) {
this.systemId = String(this.authorAccess.getDocumentController().getAuthorDocumentNode().getSystemID());
} else {
this.systemId = String(systemID);
}
if (lifetime === undefined) {
this.systemIdLifetime = this.lifetime;
} else {
this.systemIdLifetime = 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);
@ -75,7 +98,7 @@ Options.prototype.setSystemId = function (systemID) {
systemId: this.systemId
}
this.systemOptions.setOption(Options.SYSTEMIDS, JSON.stringify(systemIds));
this.systemIdOptions = new Options(this.authorAccess, this.namespace + '.' + this.systemIdDigest);
this.systemIdOptions = new Options(this.authorAccess, this.namespace + '.' + this.systemIdDigest, this.systemIdLifetime);
}
Options.prototype.setSystemIdOption = function (key, value) {
@ -112,3 +135,32 @@ Options.prototype.getSystemOptions = function () {
}
return this.systemIdOptions.getSystemOptions();
}
/*
*
* Housekeeping
*
*/
Options.prototype.__cleanup__ = function () {
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 {
var currentDate = (new Date()).toISOString();
if (nextCleanup <= currentDate || true) {
Packages.java.lang.System.out.println('Time to clean !');
var namespaces = JSON.parse(this.systemOptions.getOption(Options.NAMESPACES, '{}'));
for (var name in namespaces) {
this.__cleanupNamespace__(name, namespaces[name], currentDate);
}
}
}
}
Options.prototype.__cleanupNamespace__ = function (name, expiration, currentDate) {
Packages.java.lang.System.out.println('Cleanup for ' + name)
}