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54 lines
1.7 KiB
JavaScript
54 lines
1.7 KiB
JavaScript
/**
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* Copyright 2013 IBM Corp.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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**/
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var RED = require(process.env.NODE_RED_HOME+"/red/red");
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var fs = require("fs");
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function FileNode(n) {
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RED.nodes.createNode(this,n);
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this.filename = n.filename;
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this.appendNewline = n.appendNewline;
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this.overwriteFile = n.overwriteFile;
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var node = this;
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this.on("input",function(msg) {
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var filename = msg.filename || this.filename;
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if (filename == "") {
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node.warn('No filename specified');
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} else {
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var data = msg.payload;
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if (this.appendNewline) {
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data += "\n";
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}
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if (this.overwriteFile) {
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fs.writeFile(filename, data, function (err) {
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if (err) node.warn('Failed to write to file : '+err);
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//console.log('Message written to file',this.filename);
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});
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}
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else {
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fs.appendFile(filename, data, function (err) {
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if (err) node.warn('Failed to append to file : '+err);
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//console.log('Message appended to file',this.filename);
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});
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}
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}
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});
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}
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RED.nodes.registerType("file",FileNode);
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