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sync sample node with main sample

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reduce exif error messages so false-positives don't keep getting reported
This commit is contained in:
dceejay 2015-01-12 19:14:04 +00:00
parent ac0aa40e24
commit fb7ccc7736
3 changed files with 26 additions and 25 deletions
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8
99-sample.js.demo
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@ -31,6 +31,8 @@ module.exports = function(RED) {
// Store local copies of the node configuration (as defined in the .html) // Store local copies of the node configuration (as defined in the .html)
this.topic = n.topic; this.topic = n.topic;
// copy "this" object in case we need it in context of callbacks of other functions.
var node = this; var node = this;
// Do whatever you need to do in here - declare callbacks etc // Do whatever you need to do in here - declare callbacks etc
@ -43,16 +45,16 @@ module.exports = function(RED) {
// send out the message to the rest of the workspace. // send out the message to the rest of the workspace.
// ... this message will get sent at startup so you may not see it in a debug node. // ... this message will get sent at startup so you may not see it in a debug node.
node.send(msg); this.send(msg);
// respond to inputs.... // respond to inputs....
node.on('input', function (msg) { this.on('input', function (msg) {
node.warn("I saw a payload: "+msg.payload); node.warn("I saw a payload: "+msg.payload);
// in this example just send it straight on... should process it here really // in this example just send it straight on... should process it here really
node.send(msg); node.send(msg);
}); });
node.on("close", function() { this.on("close", function() {
// Called when the node is shutdown - eg on redeploy. // Called when the node is shutdown - eg on redeploy.
// Allows ports to be closed, connections dropped etc. // Allows ports to be closed, connections dropped etc.
// eg: node.client.disconnect(); // eg: node.client.disconnect();

11
utility/exif/94-exif.js
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@ -86,14 +86,13 @@ module.exports = function(RED) {
var node = this; var node = this;
this.on("input", function(msg) { this.on("input", function(msg) {
try { try {
if (msg.payload) {
if(msg.payload) { if (Buffer.isBuffer(msg.payload)) {
var isBuffer = Buffer.isBuffer(msg.payload);
if(isBuffer === true) {
new ExifImage({ image : msg.payload }, function (error, exifData) { new ExifImage({ image : msg.payload }, function (error, exifData) {
if (error) { if (error) {
node.error('Failed to extract Exif data from image.'); //node.error('Failed to extract Exif data from image.');
node.log('Failed to extract Exif data from image. '+ error); //node.log('Failed to extract Exif data from image. '+ error);
node.log(error);
} else { } else {
//msg.payload remains the same buffer //msg.payload remains the same buffer
if(exifData) { if(exifData) {

2
utility/exif/package.json
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@ -1,6 +1,6 @@
{ {
"name" : "node-red-node-exif", "name" : "node-red-node-exif",
"version" : "0.0.1", "version" : "0.0.2",
"description" : "A Node-RED node that extracts Exif information from JPEG image buffers.", "description" : "A Node-RED node that extracts Exif information from JPEG image buffers.",
"dependencies" : { "dependencies" : {
"exif": "0.4.0" "exif": "0.4.0"