28,7 → 28,6 |
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import java.lang.reflect.Array; |
import java.util.Arrays; |
import net.outlyer.plugins.Functor; |
import net.outlyer.plugins.SandboxAccessor; |
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/** |
39,8 → 38,16 |
public class LanguageExtensions extends LanguageExtensions_V1 |
implements SandboxAccessor { |
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public static final int revision = 2; |
public final int interfaceRevision; |
|
public LanguageExtensions() { |
this(2); |
} |
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protected LanguageExtensions(int revision) { |
interfaceRevision = revision; |
} |
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// The array() family is mostly redundant since rhino translates |
// automatically as required from JavaScript arrays to Java arrays |
// but there are some edge-cases in which they might be desirable |
49,7 → 56,7 |
* Create an array of the same class as the provided object. |
* @param tplt Template for the array, must be non-null and non-Void |
* @param size Size of the array to create (can be 0) |
* @since {@link #revision} 2 |
* @since {@link #interfaceRevision} 2 |
*/ |
public <T> T[] array(final T tplt, int size) { |
if (null == tplt || Void.class == tplt.getClass()) { |
62,7 → 69,7 |
* Create an array of the provided class. |
* @param c Class of the array elements, must be non-null and different from Void.class |
* @param size Size of the array (can be 0) |
* @since {@link #revision} 2 |
* @since {@link #interfaceRevision} 2 |
*/ |
public <T> T[] array(final Class<T> c, int size) { |
return (T[]) Array.newInstance(c, size); |
76,7 → 83,7 |
* <code>initValues.length</code> instead) (i.e., use 0 to |
* get the same size as initValues) |
* @param initValues Initial values to put in the array |
* @since {@link #revision} 2 |
* @since {@link #interfaceRevision} 2 |
*/ |
public <T> T[] array(final T[] initValues, int size) { |
if (null == initValues) { |
95,7 → 102,7 |
/** |
* Shorthand form, allows getting a Java array from a JavaScript array. |
* @param initValues |
* @since {@link #revision} 2 |
* @since {@link #interfaceRevision} 2 |
*/ |
public <T> T[] array(final T[] initValues) { |
return array(initValues, initValues.length); |
162,36 → 169,4 |
} |
return sb.toString(); |
} |
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/** |
* Apply a function to each element of an iterable collection. |
* @see #for_each(Object[], Functor) |
* @param c Collection to which to apply |
* @param f Function to apply |
* @since {@link #revision} 2 |
*/ |
public <T> void for_each(final Iterable<T> c, final Functor<Object, T> f) { |
for (final T elem : c) { |
f.apply(elem); |
} |
} |
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/** |
* Apply a function to each element of an array |
* A JavaScript function can be used transparently as a functor, e.g.: |
* <br /> |
* <code>var arr = lang.array(new Array(1, 2, 3));<br /> |
* lang.for_each(arr, function(x) { err.println("Element: "+x); });</code>> |
* Will produce: |
* <pre>Element: 1<br />Element: 2<br />Element: 3</pre> |
* @param a Array to which to apply |
* @param f Function to apply |
* @since {@link #revision} 2 |
*/ |
public <T> void for_each(final T[] a, final Functor<Object, T> f) { |
if (null == a || null == f) { |
return; // FIXME: Error handling |
} |
for_each(Arrays.asList(a), f); |
} |
} |