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Empty path should match the "/" PathPattern

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This commit makes both slash "/" and empty "" request paths match the
"/" `PathPattern`.

Issue: SPR-15653
This commit is contained in:
Andy Clement
2017-09-26 10:46:25 +02:00
committed by Brian Clozel
parent b85764c7db
commit 07b961caa6
2 changed files with 16 additions and 4 deletions
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13
spring-web/src/main/java/org/springframework/web/util/pattern/PathPattern.java
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@@ -156,7 +156,6 @@ public class PathPattern implements Comparable<PathPattern> {
return this.patternString;
}
/**
* Whether this pattern matches the given path.
* @param pathContainer the candidate path to attempt to match against
@@ -164,7 +163,8 @@ public class PathPattern implements Comparable<PathPattern> {
*/
public boolean matches(PathContainer pathContainer) {
if (this.head == null) {
return !hasLength(pathContainer);
return !hasLength(pathContainer) ||
(this.matchOptionalTrailingSeparator && pathContainerIsJustSeparator(pathContainer));
}
else if (!hasLength(pathContainer)) {
if (this.head instanceof WildcardTheRestPathElement || this.head instanceof CaptureTheRestPathElement) {
@@ -187,7 +187,9 @@ public class PathPattern implements Comparable<PathPattern> {
@Nullable
public PathMatchInfo matchAndExtract(PathContainer pathContainer) {
if (this.head == null) {
return hasLength(pathContainer) ? null : PathMatchInfo.EMPTY;
return hasLength(pathContainer) &&
!(this.matchOptionalTrailingSeparator && pathContainerIsJustSeparator(pathContainer))
? null : PathMatchInfo.EMPTY;
}
else if (!hasLength(pathContainer)) {
if (this.head instanceof WildcardTheRestPathElement || this.head instanceof CaptureTheRestPathElement) {
@@ -708,5 +710,10 @@ public class PathPattern implements Comparable<PathPattern> {
private static int scoreByNormalizedLength(PathPattern pattern) {
return -pattern.getNormalizedLength();
}
private boolean pathContainerIsJustSeparator(PathContainer pathContainer) {
return pathContainer.value().length() == 1 &&
pathContainer.value().charAt(0) == separator;
}
}