foam-framework
Version:
MVC metaprogramming framework
80 lines (74 loc) • 2.05 kB
JavaScript
/**
* @license
* Copyright 2015 Google Inc. All Rights Reserved.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
CLASS({
package: 'foam.node.dao',
name: 'XMLFileDAO',
extends: 'MDAO',
properties: [
{
name: 'fs',
factory: function() {
return require('fs');
}
},
{
name: 'name',
label: 'File Name',
model_: 'StringProperty',
defaultValueFn: function() {
return this.model.plural + '.xml';
}
}
],
methods: {
init: function() {
this.SUPER();
if ( this.fs.existsSync(this.name) ) {
var content = this.fs.readFileSync(this.name, { encoding: 'utf-8' });
var parsed = XMLUtil.parse(content);
if (!parsed) {
console.error('Failed to parse contents: ' + content);
} else {
parsed.select(this);
}
} else {
console.warn('XMLFileDAO could not find file "' + this.name + '"');
}
this.addRawIndex({
execute: function() {},
bulkLoad: function() {},
toString: function() { return "XMLFileDAO Update"; },
plan: function() {
return { cost: Number.MAX_VALUE };
},
put: this.updated,
remove: this.updated
});
}
},
listeners: [
{
name: 'updated',
isMerged: 100,
code: function() {
this.select()(function(a) {
this.fs.writeFileSync(this.name, XMLUtil.stringify(a), { encoding: 'utf-8' });
}.bind(this));
}
}
]
});