8215330: javax.xml.catalog.CatalogResolverImpl: GroupEntry.matchURI fails to match

Reviewed-by: lancea

src/java.xml/share/classes/javax/xml/catalog/GroupEntry.java

@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2015, 2017, Oracle and/or its affiliates. All rights reserved.
+ * Copyright (c) 2015, 2019, Oracle and/or its affiliates. All rights reserved.
  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
  *
  * This code is free software; you can redistribute it and/or modify it
@@ -372,8 +372,10 @@ class GroupEntry extends BaseEntry {
                         return match;
                     } else if (grpEntry.longestRewriteMatch > longestRewriteMatch) {
                         rewriteMatch = match;
+                        longestRewriteMatch = grpEntry.longestRewriteMatch;
                     } else if (grpEntry.longestSuffixMatch > longestSuffixMatch) {
                         suffixMatch = match;
+                        longestSuffixMatch = grpEntry.longestSuffixMatch;
                     }
                     break;
             }

test/jaxp/javax/xml/jaxp/unittest/catalog/GroupTest.java

@@ -0,0 +1,87 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package catalog;
+
+import java.net.URI;
+import java.nio.file.Paths;
+import javax.xml.catalog.CatalogFeatures;
+import javax.xml.catalog.CatalogManager;
+import javax.xml.catalog.CatalogResolver;
+import javax.xml.transform.Source;
+import org.testng.Assert;
+import org.testng.annotations.BeforeClass;
+import org.testng.annotations.DataProvider;
+import org.testng.annotations.Listeners;
+import org.testng.annotations.Test;
+
+/*
+ * @test
+ * @bug 8215330
+ * @library /javax/xml/jaxp/libs /javax/xml/jaxp/unittest
+ * @run testng catalog.GroupTest
+ * @summary Tests catalog with Group entries.
+ */
+@Listeners({jaxp.library.FilePolicy.class})
+public class GroupTest extends CatalogSupportBase {
+
+    String catalogGroup;
+    /*
+     * Initializing fields
+     */
+    @BeforeClass
+    public void setUpClass() throws Exception {
+        super.setUp();
+        catalogGroup = Paths.get(filepath + "GroupTest.xml").toUri().toASCIIString();
+    }
+
+    /**
+     * Tests catalog resolution with entries in a group.
+     *
+     * @param catalog the catalog to be used
+     * @param uri an URI to be resolved by the catalog
+     * @param expected the expected result string
+     * @throws Exception
+     */
+    @Test(dataProvider = "data_group")
+    public void testGroup(String catalog, String uri, String expected) throws Exception {
+        CatalogResolver resolver = CatalogManager.catalogResolver(
+                CatalogFeatures.defaults(), URI.create(catalog));
+
+        Source src = resolver.resolve(uri, null);
+        Assert.assertTrue(src.getSystemId().endsWith(expected), "uriSuffix match");
+    }
+
+
+    /*
+       DataProvider: for testing catalogs with group entries
+       Data: catalog file, uri, expected result string
+     */
+    @DataProvider(name = "data_group")
+    public Object[][] getDataDOM() {
+        return new Object[][]{
+            {catalogGroup, "http://openjdk_java_net/xml/catalog/A/CommonFileA1.xml", "LocalFileA1.xml"},
+            {catalogGroup, "http://openjdk_java_net/xml/catalog/B/CommonFileB1.xml", "LocalFileB1.xml"},
+            {catalogGroup, "http://openjdk_java_net/xml/catalog/C/CommonFileC1.xml", "LocalFileC1.xml"},
+        };
+    }
+}

test/jaxp/javax/xml/jaxp/unittest/catalog/GroupTest.xml

@@ -0,0 +1,18 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<catalog xmlns="urn:oasis:names:tc:entity:xmlns:xml:catalog"
+         prefer="system" resolve="strict">
+
+    <uriSuffix uriSuffix="/A/CommonFileA1.xml" uri="localMirrorA/LocalFileA1.xml"/>
+
+    <group>
+        <uriSuffix uriSuffix="/B/CommonFileB1.xml" uri="localMirrorB/LocalFileB1.xml"/>
+        <uriSuffix uriSuffix="/B/CommonFileB2.xml" uri="localMirrorB/LocalFileB2.xml"/>
+    </group>
+
+    <group baseURI="localMirrorC">
+        <uriSuffix uriSuffix="/C/CommonFileC1.xml" uri="LocalFileC1.xml"/>
+        <uriSuffix uriSuffix="/C/CommonFileC2.xml" uri="LocalFileC2.xml"/>
+    </group>
+
+</catalog> 
+