Now (actually, a while back...) that the Object[] version of splice is
genericized, we don't need a separate version for String[]. git-svn-id: https://samskivert.googlecode.com/svn/trunk@1899 6335cc39-0255-0410-8fd6-9bcaacd3b74c
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@@ -546,63 +546,6 @@ public class ArrayUtil
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return nvalues;
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return nvalues;
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}
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}
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/**
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* Creates and returns a new array sized to fit and populated with the
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* subset of values from indexes <code>0</code> to </code>offset -
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* 1</code> (inclusive) in the supplied array.
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*
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* @param values the array of values to splice.
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* @param offset the index within the <code>values</code> array after
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* which all subsequent values are to be removed. This must be a
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* valid index within the <code>values</code> array.
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*/
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public static String[] splice (String[] values, int offset)
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{
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int length = (values == null) ? 0 : values.length - offset;
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return splice(values, offset, length);
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}
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/**
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* Creates and returns a new array sized to fit and populated with the
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* concatenated subset of values from indexes <code>0</code> to
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* </code>offset - 1</code>, and <code>offset + length</code> to
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* <code>values.length</code> (inclusive) in the supplied array.
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*
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* @param values the array of values to splice.
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* @param offset the index within the <code>values</code> array at
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* which the first element will be removed. This must be a valid
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* index within the <code>values</code> array.
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* @param length the number of elements to be removed. Note that
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* <code>offset + length</code> must be a valid index within the
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* <code>values</code> array.
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*/
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public static String[] splice (String[] values, int offset, int length)
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{
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// make sure we've something to work with
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if (values == null) {
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throw new IllegalArgumentException("Can't splice a null array.");
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} else if (length == 0) {
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// we're not splicing anything!
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return values;
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}
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// require that the entire range to remove be within the array bounds
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int size = values.length;
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int tstart = offset + length;
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if (offset < 0 || tstart > size) {
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throw new ArrayIndexOutOfBoundsException(
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"Splice range out of bounds [offset=" + offset +
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", length=" + length + ", size=" + size + "].");
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}
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// create a new array and populate it with the spliced-in values
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String[] nvalues = new String[size - length];
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System.arraycopy(values, 0, nvalues, 0, offset);
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System.arraycopy(values, tstart, nvalues, offset, size - tstart);
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return nvalues;
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}
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/**
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/**
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* Creates and returns a new array sized to fit and populated with the
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* Creates and returns a new array sized to fit and populated with the
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* subset of values from indexes <code>0</code> to </code>offset -
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* subset of values from indexes <code>0</code> to </code>offset -
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