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| <div class="subTitle">org.apache.logging.log4j.core.lookup</div> |
| <h2 title="Class StrMatcher" class="title">Class StrMatcher</h2> |
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| <pre>public abstract class <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.31">StrMatcher</a> |
| extends <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></pre> |
| <div class="block">A matcher class that can be queried to determine if a character array |
| portion matches. |
| <p> |
| This class comes complete with various factory methods. |
| If these do not suffice, you can subclass and implement your own matcher.</div> |
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| <td class="colFirst"><code>protected </code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#StrMatcher--">StrMatcher</a></span>()</code> |
| <div class="block">Constructor.</div> |
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| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#charMatcher-char-">charMatcher</a></span>(char ch)</code> |
| <div class="block">Constructor that creates a matcher from a character.</div> |
| </td> |
| </tr> |
| <tr id="i1" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#charSetMatcher-char:A-">charSetMatcher</a></span>(char[] chars)</code> |
| <div class="block">Constructor that creates a matcher from a set of characters.</div> |
| </td> |
| </tr> |
| <tr id="i2" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#charSetMatcher-java.lang.String-">charSetMatcher</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> chars)</code> |
| <div class="block">Constructor that creates a matcher from a string representing a set of characters.</div> |
| </td> |
| </tr> |
| <tr id="i3" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#commaMatcher--">commaMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the comma character.</div> |
| </td> |
| </tr> |
| <tr id="i4" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#doubleQuoteMatcher--">doubleQuoteMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the double quote character.</div> |
| </td> |
| </tr> |
| <tr id="i5" class="rowColor"> |
| <td class="colFirst"><code>int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#isMatch-char:A-int-">isMatch</a></span>(char[] buffer, |
| int pos)</code> |
| <div class="block">Returns the number of matching characters, zero for no match.</div> |
| </td> |
| </tr> |
| <tr id="i6" class="altColor"> |
| <td class="colFirst"><code>abstract int</code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#isMatch-char:A-int-int-int-">isMatch</a></span>(char[] buffer, |
| int pos, |
| int bufferStart, |
| int bufferEnd)</code> |
| <div class="block">Returns the number of matching characters, zero for no match.</div> |
| </td> |
| </tr> |
| <tr id="i7" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#noneMatcher--">noneMatcher</a></span>()</code> |
| <div class="block">Matches no characters.</div> |
| </td> |
| </tr> |
| <tr id="i8" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#quoteMatcher--">quoteMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the single or double quote character.</div> |
| </td> |
| </tr> |
| <tr id="i9" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#singleQuoteMatcher--">singleQuoteMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the single quote character.</div> |
| </td> |
| </tr> |
| <tr id="i10" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#spaceMatcher--">spaceMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the space character.</div> |
| </td> |
| </tr> |
| <tr id="i11" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#splitMatcher--">splitMatcher</a></span>()</code> |
| <div class="block">Matches the same characters as StringTokenizer, |
| namely space, tab, newline and formfeed.</div> |
| </td> |
| </tr> |
| <tr id="i12" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#stringMatcher-java.lang.String-">stringMatcher</a></span>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> str)</code> |
| <div class="block">Constructor that creates a matcher from a string.</div> |
| </td> |
| </tr> |
| <tr id="i13" class="rowColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#tabMatcher--">tabMatcher</a></span>()</code> |
| <div class="block">Returns a matcher which matches the tab character.</div> |
| </td> |
| </tr> |
| <tr id="i14" class="altColor"> |
| <td class="colFirst"><code>static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a></code></td> |
| <td class="colLast"><code><span class="memberNameLink"><a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html#trimMatcher--">trimMatcher</a></span>()</code> |
| <div class="block">Matches the String trim() whitespace characters.</div> |
| </td> |
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| <h3>Methods inherited from class java.lang.<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true" title="class or interface in java.lang">Object</a></h3> |
| <code><a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#clone--" title="class or interface in java.lang">clone</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#equals-java.lang.Object-" title="class or interface in java.lang">equals</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#finalize--" title="class or interface in java.lang">finalize</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#getClass--" title="class or interface in java.lang">getClass</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#hashCode--" title="class or interface in java.lang">hashCode</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notify--" title="class or interface in java.lang">notify</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#notifyAll--" title="class or interface in java.lang">notifyAll</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#toString--" title="class or interface in java.lang">toString</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait--" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-" title="class or interface in java.lang">wait</a>, <a href="https://docs.oracle.com/javase/8/docs/api/java/lang/Object.html?is-external=true#wait-long-int-" title="class or interface in java.lang">wait</a></code></li> |
| </ul> |
| </li> |
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| </li> |
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| </div> |
| <div class="details"> |
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| <!-- ========= CONSTRUCTOR DETAIL ======== --> |
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| </a> |
| <h3>Constructor Detail</h3> |
| <a name="StrMatcher--"> |
| <!-- --> |
| </a> |
| <ul class="blockListLast"> |
| <li class="blockList"> |
| <h4>StrMatcher</h4> |
| <pre>protected <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.74">StrMatcher</a>()</pre> |
| <div class="block">Constructor.</div> |
| </li> |
| </ul> |
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| <h4>commaMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.82">commaMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the comma character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a comma</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="tabMatcher--"> |
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| <h4>tabMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.91">tabMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the tab character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a tab</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="spaceMatcher--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>spaceMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.100">spaceMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the space character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a space</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="splitMatcher--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>splitMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.110">splitMatcher</a>()</pre> |
| <div class="block">Matches the same characters as StringTokenizer, |
| namely space, tab, newline and formfeed.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the split matcher</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="trimMatcher--"> |
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| </a> |
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| <h4>trimMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.119">trimMatcher</a>()</pre> |
| <div class="block">Matches the String trim() whitespace characters.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the trim matcher</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="singleQuoteMatcher--"> |
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| </a> |
| <ul class="blockList"> |
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| <h4>singleQuoteMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.128">singleQuoteMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the single quote character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a single quote</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="doubleQuoteMatcher--"> |
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| </a> |
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| <h4>doubleQuoteMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.137">doubleQuoteMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the double quote character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a double quote</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="quoteMatcher--"> |
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| </a> |
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| <h4>quoteMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.146">quoteMatcher</a>()</pre> |
| <div class="block">Returns a matcher which matches the single or double quote character.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher for a single or double quote</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="noneMatcher--"> |
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| <h4>noneMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.155">noneMatcher</a>()</pre> |
| <div class="block">Matches no characters.</div> |
| <dl> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a matcher that matches nothing</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>charMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.165">charMatcher</a>(char ch)</pre> |
| <div class="block">Constructor that creates a matcher from a character.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>ch</code> - the character to match, must not be null</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Matcher for the given char</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>charSetMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.175">charSetMatcher</a>(char[] chars)</pre> |
| <div class="block">Constructor that creates a matcher from a set of characters.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>chars</code> - the characters to match, null or empty matches nothing</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new matcher for the given char[]</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>charSetMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.191">charSetMatcher</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> chars)</pre> |
| <div class="block">Constructor that creates a matcher from a string representing a set of characters.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>chars</code> - the characters to match, null or empty matches nothing</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Matcher for the given characters</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>stringMatcher</h4> |
| <pre>public static <a href="../../../../../../org/apache/logging/log4j/core/lookup/StrMatcher.html" title="class in org.apache.logging.log4j.core.lookup">StrMatcher</a> <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.207">stringMatcher</a>(<a href="https://docs.oracle.com/javase/8/docs/api/java/lang/String.html?is-external=true" title="class or interface in java.lang">String</a> str)</pre> |
| <div class="block">Constructor that creates a matcher from a string.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>str</code> - the string to match, null or empty matches nothing</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>a new Matcher for the given String</dd> |
| </dl> |
| </li> |
| </ul> |
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| <h4>isMatch</h4> |
| <pre>public abstract int <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.239">isMatch</a>(char[] buffer, |
| int pos, |
| int bufferStart, |
| int bufferEnd)</pre> |
| <div class="block">Returns the number of matching characters, zero for no match. |
| <p> |
| This method is called to check for a match. |
| The parameter <code>pos</code> represents the current position to be |
| checked in the string <code>buffer</code> (a character array which must |
| not be changed). |
| The API guarantees that <code>pos</code> is a valid index for <code>buffer</code>. |
| <p> |
| The character array may be larger than the active area to be matched. |
| Only values in the buffer between the specified indices may be accessed. |
| <p> |
| The matching code may check one character or many. |
| It may check characters preceding <code>pos</code> as well as those |
| after, so long as no checks exceed the bounds specified. |
| <p> |
| It must return zero for no match, or a positive number if a match was found. |
| The number indicates the number of characters that matched.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buffer</code> - the text content to match against, do not change</dd> |
| <dd><code>pos</code> - the starting position for the match, valid for buffer</dd> |
| <dd><code>bufferStart</code> - the first active index in the buffer, valid for buffer</dd> |
| <dd><code>bufferEnd</code> - the end index (exclusive) of the active buffer, valid for buffer</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of matching characters, zero for no match</dd> |
| </dl> |
| </li> |
| </ul> |
| <a name="isMatch-char:A-int-"> |
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| <h4>isMatch</h4> |
| <pre>public int <a href="../../../../../../src-html/org/apache/logging/log4j/core/lookup/StrMatcher.html#line.261">isMatch</a>(char[] buffer, |
| int pos)</pre> |
| <div class="block">Returns the number of matching characters, zero for no match. |
| <p> |
| This method is called to check for a match. |
| The parameter <code>pos</code> represents the current position to be |
| checked in the string <code>buffer</code> (a character array which must |
| not be changed). |
| The API guarantees that <code>pos</code> is a valid index for <code>buffer</code>. |
| <p> |
| The matching code may check one character or many. |
| It may check characters preceding <code>pos</code> as well as those after. |
| <p> |
| It must return zero for no match, or a positive number if a match was found. |
| The number indicates the number of characters that matched.</div> |
| <dl> |
| <dt><span class="paramLabel">Parameters:</span></dt> |
| <dd><code>buffer</code> - the text content to match against, do not change</dd> |
| <dd><code>pos</code> - the starting position for the match, valid for buffer</dd> |
| <dt><span class="returnLabel">Returns:</span></dt> |
| <dd>the number of matching characters, zero for no match</dd> |
| <dt><span class="simpleTagLabel">Since:</span></dt> |
| <dd>2.4</dd> |
| </dl> |
| </li> |
| </ul> |
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