com.netflix.spectator.impl.matcher.EndMatcher Maven / Gradle / Ivy
/*
* Copyright 2014-2019 Netflix, Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package com.netflix.spectator.impl.matcher;
/** Matcher that matches if the position is at the end of the input string. */
enum EndMatcher implements Matcher {
/** Singleton instance. */
INSTANCE;
@Override
public int matches(String str, int start, int length) {
return (start == str.length()) ? start : Constants.NO_MATCH;
}
@Override
public int minLength() {
return 0;
}
@Override
public boolean isEndAnchored() {
return true;
}
@Override
public String toString() {
return "$";
}
}