本文整理了Java中com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher.next()方法的一些代码示例，展示了ZeroOrMoreMatcher.next()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。ZeroOrMoreMatcher.next()方法的具体详情如下：
包路径：com.netflix.spectator.impl.matcher.ZeroOrMoreMatcher
类名称：ZeroOrMoreMatcher
方法名：next
[英]Return the matcher for the portion that follows the sub-string.
[中]返回子字符串后面部分的匹配器。
代码示例来源：origin: Netflix/spectator
/**
* Remove match any pattern at the end, e.g., ({@code "foo.*$" => "foo"}).
*/
static Matcher removeTrailingMatchAny(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
boolean atEnd = zm.next() instanceof TrueMatcher || zm.next() instanceof EndMatcher;
if (atEnd && zm.repeated() instanceof AnyMatcher) {
return TrueMatcher.INSTANCE;
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* Remove match any pattern at the end, e.g., ({@code "foo.*$" => "foo"}).
*/
static Matcher removeTrailingMatchAny(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
boolean atEnd = zm.next() instanceof TrueMatcher || zm.next() instanceof EndMatcher;
if (atEnd && zm.repeated() instanceof AnyMatcher) {
return TrueMatcher.INSTANCE;
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* If the match after a repeated pattern is false, then treat the whole match as false.
* For example: {@code ".*$." => "$."}.
*/
static Matcher zeroOrMoreFalse(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof FalseMatcher || zm.next() instanceof FalseMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* If the match after a repeated pattern is false, then treat the whole match as false.
* For example: {@code ".*$." => "$."}.
*/
static Matcher zeroOrMoreFalse(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof FalseMatcher || zm.next() instanceof FalseMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* Adjacent any matches can be consolidated, e.g., ({@code ".*(.*foo)" => ".*foo"}).
*/
static Matcher removeMatchAnyFollowedByIndexOf(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher
&& PatternUtils.getPrefix(zm.next()) instanceof IndexOfMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* Adjacent any matches can be consolidated, e.g., ({@code ".*(.*foo)" => ".*foo"}).
*/
static Matcher removeMatchAnyFollowedByIndexOf(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher
&& PatternUtils.getPrefix(zm.next()) instanceof IndexOfMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* If a start anchor is preceded by a repeated any match, then the any match can be removed
* as it must be empty for the start anchor to match ({@code ".*^" => "^"}).
*/
static Matcher removeMatchAnyFollowedByStart(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher
&& zm.next() instanceof SeqMatcher
&& zm.next().<SeqMatcher>as().matchers().get(0).isStartAnchored()) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* If a start anchor is preceded by a repeated any match, then the any match can be removed
* as it must be empty for the start anchor to match ({@code ".*^" => "^"}).
*/
static Matcher removeMatchAnyFollowedByStart(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher
&& zm.next() instanceof SeqMatcher
&& zm.next().<SeqMatcher>as().matchers().get(0).isStartAnchored()) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* Zero or more start anchors is the same as not being anchored by the start.
*/
static Matcher removeRepeatedStart(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof StartMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* Zero or more start anchors is the same as not being anchored by the start.
*/
static Matcher removeRepeatedStart(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof StartMatcher) {
return zm.next();
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* Adjacent any matches can be consolidated, e.g., ({@code ".*.*" => ".*"}).
*/
static Matcher removeSequentialMatchAny(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm1 = matcher.as();
if (zm1.repeated() instanceof AnyMatcher && zm1.next() instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm2 = zm1.next().as();
if (zm2.repeated() instanceof AnyMatcher) {
return zm2;
}
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* Adjacent any matches can be consolidated, e.g., ({@code ".*.*" => ".*"}).
*/
static Matcher removeSequentialMatchAny(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm1 = matcher.as();
if (zm1.repeated() instanceof AnyMatcher && zm1.next() instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm2 = zm1.next().as();
if (zm2.repeated() instanceof AnyMatcher) {
return zm2;
}
}
}
return matcher;
}代码示例来源：origin: Netflix/spectator
/**
* If the matcher preceding an OR clause is a repeated any match, move into each branch
* of the OR clause. This allows for other optimizations such as conversion to an indexOf
* to take effect for each branch.
*/
static Matcher inlineMatchAnyPrecedingOr(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher && zm.next() instanceof OrMatcher) {
List<Matcher> matchers = zm.next().<OrMatcher>as().matchers();
List<Matcher> ms = new ArrayList<>();
for (Matcher m : matchers) {
ms.add(new ZeroOrMoreMatcher(AnyMatcher.INSTANCE, m));
}
return OrMatcher.create(ms);
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* If the matcher preceding an OR clause is a repeated any match, move into each branch
* of the OR clause. This allows for other optimizations such as conversion to an indexOf
* to take effect for each branch.
*/
static Matcher inlineMatchAnyPrecedingOr(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
if (zm.repeated() instanceof AnyMatcher && zm.next() instanceof OrMatcher) {
List<Matcher> matchers = zm.next().<OrMatcher>as().matchers();
List<Matcher> ms = new ArrayList<>();
for (Matcher m : matchers) {
ms.add(new ZeroOrMoreMatcher(AnyMatcher.INSTANCE, m));
}
return OrMatcher.create(ms);
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* Get the suffix matcher. This is similar to {@link #tail(Matcher)} except that it intended
* to be used with {@link #getPrefix(Matcher)}
*/
static Matcher getSuffix(Matcher matcher) {
if (matcher instanceof SeqMatcher) {
List<Matcher> ms = matcher.<SeqMatcher>as().matchers();
return SeqMatcher.create(ms.subList(1, ms.size()));
} else if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
return zm.next();
} else if (matcher instanceof CharSeqMatcher) {
String pattern = matcher.<CharSeqMatcher>as().pattern();
return pattern.length() <= 1 ? TrueMatcher.INSTANCE : new CharSeqMatcher(pattern.substring(1));
} else {
return TrueMatcher.INSTANCE;
}
}
}代码示例来源：origin: Netflix/spectator
/**
* Get the suffix matcher. This is similar to {@link #tail(Matcher)} except that it intended
* to be used with {@link #getPrefix(Matcher)}
*/
static Matcher getSuffix(Matcher matcher) {
if (matcher instanceof SeqMatcher) {
List<Matcher> ms = matcher.<SeqMatcher>as().matchers();
return SeqMatcher.create(ms.subList(1, ms.size()));
} else if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm = matcher.as();
return zm.next();
} else if (matcher instanceof CharSeqMatcher) {
String pattern = matcher.<CharSeqMatcher>as().pattern();
return pattern.length() <= 1 ? TrueMatcher.INSTANCE : new CharSeqMatcher(pattern.substring(1));
} else {
return TrueMatcher.INSTANCE;
}
}
}代码示例来源：origin: Netflix/spectator
/**
* If a char sequence is preceded by a repeated any match, then replace with an
* IndexOfMatcher. The index of operation seems to be optimized by the JDK and is
* much faster. Example: {@code ".*foo" => indexOf("foo")}.
*/
static Matcher convertRepeatedAnyCharSeqToIndexOf(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm1 = matcher.as();
Matcher prefix = PatternUtils.getPrefix(zm1.next());
if (zm1.repeated() instanceof AnyMatcher && prefix instanceof CharSeqMatcher) {
String pattern = prefix.<CharSeqMatcher>as().pattern();
Matcher suffix = PatternUtils.getSuffix(zm1.next());
return new IndexOfMatcher(pattern, suffix);
}
}
return matcher;
}代码示例来源：origin: com.netflix.spectator/spectator-api
/**
* If a char sequence is preceded by a repeated any match, then replace with an
* IndexOfMatcher. The index of operation seems to be optimized by the JDK and is
* much faster. Example: {@code ".*foo" => indexOf("foo")}.
*/
static Matcher convertRepeatedAnyCharSeqToIndexOf(Matcher matcher) {
if (matcher instanceof ZeroOrMoreMatcher) {
ZeroOrMoreMatcher zm1 = matcher.as();
Matcher prefix = PatternUtils.getPrefix(zm1.next());
if (zm1.repeated() instanceof AnyMatcher && prefix instanceof CharSeqMatcher) {
String pattern = prefix.<CharSeqMatcher>as().pattern();
Matcher suffix = PatternUtils.getSuffix(zm1.next());
return new IndexOfMatcher(pattern, suffix);
}
}
return matcher;
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