/*
* Copyright 2002-2017 the original author or authors.
*
* 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 org.springframework.web.util.pattern;
import org.springframework.web.util.pattern.PathPattern.MatchingContext;
/**
* A separator path element. In the pattern '/foo/bar' the two occurrences
* of '/' will be represented by a SeparatorPathElement (if the default
* separator of '/' is being used).
*
* @author Andy Clement
* @since 5.0
*/
class SeparatorPathElement extends PathElement {
SeparatorPathElement(int pos, char separator) {
super(pos, separator);
}
/**
* Matching a separator is easy, basically the character at candidateIndex
* must be the separator.
*/
@Override
public boolean matches(int candidateIndex, MatchingContext matchingContext) {
boolean matched = false;
if (candidateIndex < matchingContext.candidateLength &&
matchingContext.candidate[candidateIndex] == separator) {
if (this.next == null) {
if (matchingContext.determineRemainingPath) {
matchingContext.remainingPathIndex = candidateIndex + 1;
matched = true;
}
else {
matched = ((candidateIndex + 1) == matchingContext.candidateLength);
}
}
else {
candidateIndex++;
if (matchingContext.isMatchStartMatching && candidateIndex == matchingContext.candidateLength) {
return true; // no more data but matches up to this point
}
matched = this.next.matches(candidateIndex, matchingContext);
}
}
return matched;
}
@Override
public int getNormalizedLength() {
return 1;
}
public String toString() {
return "Separator(" + this.separator + ")";
}
}