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Add support for java.util.Collection to utils.foreach()

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walterhiggins 2013-03-17 11:57:48 +00:00
parent 89b2dca496
commit 777fb9ce5b
2 changed files with 7 additions and 5 deletions
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4
docs/api.md
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@ -1065,7 +1065,7 @@ Miscellaneous utility functions and classes to help with programming.
utils.foreach() function utils.foreach() function
======================== ========================
The utils.foreach() function is a utility function for iterating over The utils.foreach() function is a utility function for iterating over
an array of objects and processing each one in turn. Where an array of objects (or a java.util.Collection of objects) and processing each object in turn. Where
utils.foreach() differs from other similar functions found in utils.foreach() differs from other similar functions found in
javascript libraries, is that utils.foreach can process the array javascript libraries, is that utils.foreach can process the array
immediately or can process it *nicely* by processing one item at a immediately or can process it *nicely* by processing one item at a
@ -1079,7 +1079,7 @@ package for scheduling processing of arrays.
Parameters Parameters
---------- ----------
* array : The array to be processed * array : The array to be processed - It can be a javascript array, a java array or java.util.Collection
* callback : The function to be called to process each item in the * callback : The function to be called to process each item in the
array. The callback function should have the following signature array. The callback function should have the following signature
`callback(item, index, object, array)`. That is the callback will `callback(item, index, object, array)`. That is the callback will

8
src/main/javascript/utils/utils.js
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@ -25,7 +25,7 @@ var utils = utils || {
utils.foreach() function utils.foreach() function
======================== ========================
The utils.foreach() function is a utility function for iterating over The utils.foreach() function is a utility function for iterating over
an array of objects and processing each one in turn. Where an array of objects (or a java.util.Collection of objects) and processing each object in turn. Where
utils.foreach() differs from other similar functions found in utils.foreach() differs from other similar functions found in
javascript libraries, is that utils.foreach can process the array javascript libraries, is that utils.foreach can process the array
immediately or can process it *nicely* by processing one item at a immediately or can process it *nicely* by processing one item at a
@ -39,7 +39,7 @@ package for scheduling processing of arrays.
Parameters Parameters
---------- ----------
* array : The array to be processed * array : The array to be processed - It can be a javascript array, a java array or java.util.Collection
* callback : The function to be called to process each item in the * callback : The function to be called to process each item in the
array. The callback function should have the following signature array. The callback function should have the following signature
`callback(item, index, object, array)`. That is the callback will `callback(item, index, object, array)`. That is the callback will
@ -97,7 +97,9 @@ without hogging CPU usage...
foreach (a, processItem, null, 10, onDone); foreach (a, processItem, null, 10, onDone);
***/ ***/
foreach: function(array, callback, object, delay, onCompletion){ foreach: function(array, callback, object, delay, onCompletion) {
if (array instanceof java.util.Collection)
array = array.toArray();
var i = 0; var i = 0;
var len = array.length; var len = array.length;
if (delay){ if (delay){