Reorder indexOf methods in file
git-svn-id: https://svn.apache.org/repos/asf/jakarta/commons/proper/lang/trunk@137555 13f79535-47bb-0310-9956-ffa450edef68
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Stephen Colebourne
parent
8ce98776ee
commit
fd27d2ecdf
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@ -144,7 +144,7 @@
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* @author <a href="mailto:ggregory@seagullsw.com">Gary Gregory</a>
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* @author Phil Steitz
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* @since 1.0
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* @version $Id: StringUtils.java,v 1.90 2003/08/01 23:54:41 scolebourne Exp $
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* @version $Id: StringUtils.java,v 1.91 2003/08/01 23:58:30 scolebourne Exp $
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*/
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public class StringUtils {
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// Performance testing notes (JDK 1.4, Jul03, scolebourne)
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@ -1011,107 +1011,6 @@ public static boolean contains(String str, String searchStr) {
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return (str.indexOf(searchStr) >= 0);
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}
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// IndexOfAny strings
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//-----------------------------------------------------------------------
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/**
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* <p>Find the first index of any of a set of potential substrings.</p>
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*
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* <p>A <code>null</code> String will return <code>-1</code>.
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* A <code>null</code> or zero length search array will return <code>-1</code>.
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* A <code>null</code> search array entry will be ignored, but a search
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* array containing "" will return <code>0</code> if <code>str</code> is not
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* null. This method uses {@link String#indexOf(String)}.</p>
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*
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* <pre>
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* StringUtils.indexOfAny(null, *) = -1
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* StringUtils.indexOfAny(*, null) = -1
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* StringUtils.indexOfAny(*, []) = -1
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* StringUtils.indexOfAny("zzabyycdxx", ["ab","cd"]) = 2
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* StringUtils.indexOfAny("zzabyycdxx", ["cd","ab"]) = 2
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* StringUtils.indexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.indexOfAny("zzabyycdxx", ["zab","aby"]) = 1
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* StringUtils.indexOfAny("zzabyycdxx", [""]) = 0
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* StringUtils.indexOfAny("", [""]) = 0
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* StringUtils.indexOfAny("", ["a"]) = -1
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* </pre>
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*
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* @param str the String to check, may be null
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* @param searchStrs the Strings to search for, may be null
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* @return the first index of any of the searchStrs in str, -1 if no match
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*/
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public static int indexOfAny(String str, String[] searchStrs) {
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if ((str == null) || (searchStrs == null)) {
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return -1;
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}
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int sz = searchStrs.length;
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// String's can't have a MAX_VALUEth index.
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int ret = Integer.MAX_VALUE;
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int tmp = 0;
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for (int i = 0; i < sz; i++) {
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String search = searchStrs[i];
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if (search == null) {
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continue;
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}
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tmp = str.indexOf(search);
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if (tmp == -1) {
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continue;
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}
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if (tmp < ret) {
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ret = tmp;
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}
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}
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return (ret == Integer.MAX_VALUE) ? -1 : ret;
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}
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/**
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* <p>Find the latest index of any of a set of potential substrings.</p>
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*
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* <p>A <code>null</code> String will return <code>-1</code>.
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* A <code>null</code> search array will return <code>-1</code>.
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* A <code>null</code> or zero length search array entry will be ignored,
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* but a search array containing "" will return the length of <code>str</code>
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* if <code>str</code> is not null. This method uses {@link String#indexOf(String)}</p>
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*
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* <pre>
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* StringUtils.lastIndexOfAny(null, *) = -1
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* StringUtils.lastIndexOfAny(*, null) = -1
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* StringUtils.lastIndexOfAny(*, []) = -1
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* StringUtils.lastIndexOfAny(*, [null]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["ab","cd"]) = 6
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["cd","ab"]) = 6
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn",""]) = 10
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* </pre>
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*
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* @param str the String to check, may be null
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* @param searchStrs the Strings to search for, may be null
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* @return the last index of any of the Strings, -1 if no match
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*/
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public static int lastIndexOfAny(String str, String[] searchStrs) {
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if ((str == null) || (searchStrs == null)) {
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return -1;
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}
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int sz = searchStrs.length;
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int ret = -1;
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int tmp = 0;
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for (int i = 0; i < sz; i++) {
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String search = searchStrs[i];
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if (search == null) {
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continue;
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}
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tmp = str.lastIndexOf(search);
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if (tmp > ret) {
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ret = tmp;
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}
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}
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return ret;
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}
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// IndexOfAny chars
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//-----------------------------------------------------------------------
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/**
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@ -1383,6 +1282,107 @@ public static boolean containsNone(String str, String invalidChars) {
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return containsNone(str, invalidChars.toCharArray());
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}
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// IndexOfAny strings
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//-----------------------------------------------------------------------
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/**
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* <p>Find the first index of any of a set of potential substrings.</p>
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*
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* <p>A <code>null</code> String will return <code>-1</code>.
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* A <code>null</code> or zero length search array will return <code>-1</code>.
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* A <code>null</code> search array entry will be ignored, but a search
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* array containing "" will return <code>0</code> if <code>str</code> is not
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* null. This method uses {@link String#indexOf(String)}.</p>
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*
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* <pre>
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* StringUtils.indexOfAny(null, *) = -1
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* StringUtils.indexOfAny(*, null) = -1
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* StringUtils.indexOfAny(*, []) = -1
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* StringUtils.indexOfAny("zzabyycdxx", ["ab","cd"]) = 2
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* StringUtils.indexOfAny("zzabyycdxx", ["cd","ab"]) = 2
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* StringUtils.indexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.indexOfAny("zzabyycdxx", ["zab","aby"]) = 1
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* StringUtils.indexOfAny("zzabyycdxx", [""]) = 0
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* StringUtils.indexOfAny("", [""]) = 0
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* StringUtils.indexOfAny("", ["a"]) = -1
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* </pre>
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*
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* @param str the String to check, may be null
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* @param searchStrs the Strings to search for, may be null
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* @return the first index of any of the searchStrs in str, -1 if no match
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*/
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public static int indexOfAny(String str, String[] searchStrs) {
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if ((str == null) || (searchStrs == null)) {
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return -1;
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}
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int sz = searchStrs.length;
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// String's can't have a MAX_VALUEth index.
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int ret = Integer.MAX_VALUE;
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int tmp = 0;
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for (int i = 0; i < sz; i++) {
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String search = searchStrs[i];
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if (search == null) {
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continue;
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}
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tmp = str.indexOf(search);
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if (tmp == -1) {
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continue;
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}
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if (tmp < ret) {
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ret = tmp;
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}
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}
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return (ret == Integer.MAX_VALUE) ? -1 : ret;
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}
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/**
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* <p>Find the latest index of any of a set of potential substrings.</p>
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*
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* <p>A <code>null</code> String will return <code>-1</code>.
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* A <code>null</code> search array will return <code>-1</code>.
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* A <code>null</code> or zero length search array entry will be ignored,
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* but a search array containing "" will return the length of <code>str</code>
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* if <code>str</code> is not null. This method uses {@link String#indexOf(String)}</p>
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*
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* <pre>
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* StringUtils.lastIndexOfAny(null, *) = -1
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* StringUtils.lastIndexOfAny(*, null) = -1
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* StringUtils.lastIndexOfAny(*, []) = -1
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* StringUtils.lastIndexOfAny(*, [null]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["ab","cd"]) = 6
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["cd","ab"]) = 6
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn","op"]) = -1
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* StringUtils.lastIndexOfAny("zzabyycdxx", ["mn",""]) = 10
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* </pre>
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*
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* @param str the String to check, may be null
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* @param searchStrs the Strings to search for, may be null
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* @return the last index of any of the Strings, -1 if no match
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*/
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public static int lastIndexOfAny(String str, String[] searchStrs) {
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if ((str == null) || (searchStrs == null)) {
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return -1;
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}
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int sz = searchStrs.length;
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int ret = -1;
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int tmp = 0;
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for (int i = 0; i < sz; i++) {
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String search = searchStrs[i];
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if (search == null) {
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continue;
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}
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tmp = str.lastIndexOf(search);
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if (tmp > ret) {
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ret = tmp;
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}
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}
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return ret;
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}
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// Substring
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//-----------------------------------------------------------------------
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/**
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