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Empty path should match the "/" PathPattern 

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
spring-web/src/main/java/org/springframework/web/util/pattern/PathPattern.java
View File

@ -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;
}
}

7
spring-web/src/test/java/org/springframework/web/util/pattern/PathPatternTests.java
View File

@ -77,6 +77,7 @@ public class PathPatternTests {
@Test
public void basicMatching() {
checkMatches("", "");
checkMatches("", "/");
checkMatches("", null);
checkNoMatch("/abc", "/");
checkMatches("/", "/");
@ -1113,9 +1114,13 @@ public class PathPatternTests {
result = matchAndExtract("/abc/{var}","/abc/one");
assertEquals("one",result.getUriVariables().get("var"));
assertNull(result.getMatrixVariables().get("var"));
result = matchAndExtract("","");
assertNotNull(result);
result = matchAndExtract("","/");
assertNotNull(result);
}
private PathPattern.PathMatchInfo matchAndExtract(String pattern, String path) {
return parse(pattern).matchAndExtract(PathPatternTests.toPathContainer(path));
}