Polish TLD skip pattern support

See gh-5010

spring-boot-autoconfigure/src/main/java/org/springframework/boot/autoconfigure/web/ServerProperties.java

@@ -675,9 +675,9 @@ public class ServerProperties
 		private int acceptCount = 0;
 
 		/**
-		 * Comma-separated list of additional patterns that match jars to ignore for
-		 * TLD scanning. The special '?' and '*' characters can be used in the pattern
-		 * to match one and only one character and zero or more characters respectively.
+		 * Comma-separated list of additional patterns that match jars to ignore for TLD
+		 * scanning. The special '?' and '*' characters can be used in the pattern to
+		 * match one and only one character and zero or more characters respectively.
 		 */
 		private List<String> additionalTldSkipPatterns = new ArrayList<String>();
 

spring-boot-autoconfigure/src/test/java/org/springframework/boot/autoconfigure/web/ServerPropertiesTests.java

@@ -493,7 +493,6 @@ public class ServerPropertiesTests {
 		Map<String, String> map = new HashMap<String, String>();
 		map.put("server.tomcat.additional-tld-skip-patterns", "foo.jar,bar.jar");
 		bindProperties(map);
-
 		testCustomTomcatTldSkip("foo.jar", "bar.jar");
 	}
 
@@ -503,7 +502,6 @@ public class ServerPropertiesTests {
 		map.put("server.tomcat.additional-tld-skip-patterns[0]", "biz.jar");
 		map.put("server.tomcat.additional-tld-skip-patterns[1]", "bah.jar");
 		bindProperties(map);
-
 		testCustomTomcatTldSkip("biz.jar", "bah.jar");
 	}
 
@@ -511,7 +509,8 @@ public class ServerPropertiesTests {
 		TomcatEmbeddedServletContainerFactory container = new TomcatEmbeddedServletContainerFactory();
 		this.properties.customize(container);
 		assertThat(container.getTldSkipPatterns()).contains(expectedJars);
-		assertThat(container.getTldSkipPatterns()).contains("junit-*.jar", "spring-boot-*.jar");
+		assertThat(container.getTldSkipPatterns()).contains("junit-*.jar",
+				"spring-boot-*.jar");
 	}
 
 	@Test

spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/SkipPatternJarScanner.java

@@ -17,9 +17,6 @@
 package org.springframework.boot.context.embedded.tomcat;
 
 import java.lang.reflect.Method;
-import java.util.Arrays;
-import java.util.Collections;
-import java.util.LinkedHashSet;
 import java.util.Set;
 
 import javax.servlet.ServletContext;
@@ -49,18 +46,19 @@ class SkipPatternJarScanner extends StandardJarScanner {
 
 	private final JarScanner jarScanner;
 
-	private final SkipPattern pattern;
+	private final Set<String> patterns;
 
 	SkipPatternJarScanner(JarScanner jarScanner, Set<String> patterns) {
 		Assert.notNull(jarScanner, "JarScanner must not be null");
+		Assert.notNull(jarScanner, "Patterns must not be null");
 		this.jarScanner = jarScanner;
-		this.pattern = (patterns == null ? new SkipPattern(defaultPatterns()) : new SkipPattern(patterns));
-		setPatternToTomcat8SkipFilter(this.pattern);
+		this.patterns = patterns;
+		setPatternToTomcat8SkipFilter();
 	}
 
-	private void setPatternToTomcat8SkipFilter(SkipPattern pattern) {
+	private void setPatternToTomcat8SkipFilter() {
 		if (ClassUtils.isPresent(JAR_SCAN_FILTER_CLASS, null)) {
-			new Tomcat8TldSkipSetter(this).setSkipPattern(pattern);
+			new Tomcat8TldSkipSetter(this).setSkipPattern(this.patterns);
 		}
 	}
 
@@ -73,105 +71,13 @@ class SkipPatternJarScanner extends StandardJarScanner {
 		Assert.notNull(scanMethod, "Unable to find scan method");
 		try {
 			scanMethod.invoke(this.jarScanner, context, classloader, callback,
-					(jarsToSkip == null ? this.pattern.asSet() : jarsToSkip));
+					(jarsToSkip == null ? this.patterns : jarsToSkip));
 		}
 		catch (Exception ex) {
 			throw new IllegalStateException("Tomcat 7 reflection failed", ex);
 		}
 	}
 
-	/**
-	 * Return the default skip patterns to use.
-	 * @return the default skip patterns
-	 */
-	static Set<String> defaultPatterns() {
-		return new LinkedHashSet<String>(Arrays.asList(
-				// Same as Tomcat
-				"ant-*.jar",
-				"aspectj*.jar",
-				"commons-beanutils*.jar",
-				"commons-codec*.jar",
-				"commons-collections*.jar",
-				"commons-dbcp*.jar",
-				"commons-digester*.jar",
-				"commons-fileupload*.jar",
-				"commons-httpclient*.jar",
-				"commons-io*.jar",
-				"commons-lang*.jar",
-				"commons-logging*.jar",
-				"commons-math*.jar",
-				"commons-pool*.jar",
-				"geronimo-spec-jaxrpc*.jar",
-				"h2*.jar",
-				"hamcrest*.jar",
-				"hibernate*.jar",
-				"jmx*.jar",
-				"jmx-tools-*.jar",
-				"jta*.jar",
-				"junit-*.jar",
-				"httpclient*.jar",
-				"log4j-*.jar",
-				"mail*.jar",
-				"org.hamcrest*.jar",
-				"slf4j*.jar",
-				"tomcat-embed-core-*.jar",
-				"tomcat-embed-logging-*.jar",
-				"tomcat-jdbc-*.jar",
-				"tomcat-juli-*.jar",
-				"tools.jar",
-				"wsdl4j*.jar",
-				"xercesImpl-*.jar",
-				"xmlParserAPIs-*.jar",
-				"xml-apis-*.jar",
-
-				// Additional
-				"antlr-*.jar",
-				"aopalliance-*.jar",
-				"aspectjrt-*.jar",
-				"aspectjweaver-*.jar",
-				"classmate-*.jar",
-				"dom4j-*.jar",
-				"ecj-*.jar",
-				"ehcache-core-*.jar",
-				"hibernate-core-*.jar",
-				"hibernate-commons-annotations-*.jar",
-				"hibernate-entitymanager-*.jar",
-				"hibernate-jpa-2.1-api-*.jar",
-				"hibernate-validator-*.jar",
-				"hsqldb-*.jar",
-				"jackson-annotations-*.jar",
-				"jackson-core-*.jar",
-				"jackson-databind-*.jar",
-				"jandex-*.jar",
-				"javassist-*.jar",
-				"jboss-logging-*.jar",
-				"jboss-transaction-api_*.jar",
-				"jcl-over-slf4j-*.jar",
-				"jdom-*.jar",
-				"jul-to-slf4j-*.jar",
-				"log4j-over-slf4j-*.jar",
-				"logback-classic-*.jar",
-				"logback-core-*.jar",
-				"rome-*.jar",
-				"slf4j-api-*.jar",
-				"spring-aop-*.jar",
-				"spring-aspects-*.jar",
-				"spring-beans-*.jar",
-				"spring-boot-*.jar",
-				"spring-core-*.jar",
-				"spring-context-*.jar",
-				"spring-data-*.jar",
-				"spring-expression-*.jar",
-				"spring-jdbc-*.jar,",
-				"spring-orm-*.jar",
-				"spring-oxm-*.jar",
-				"spring-tx-*.jar",
-				"snakeyaml-*.jar",
-				"tomcat-embed-el-*.jar",
-				"validation-api-*.jar",
-				"xml-apis-*.jar"));
-	}
-
 	/**
 	 * Apply this decorator the specified context.
 	 * @param context the context to apply to
@@ -194,43 +100,12 @@ class SkipPatternJarScanner extends StandardJarScanner {
 			this.jarScanner = jarScanner;
 		}
 
-		public void setSkipPattern(SkipPattern pattern) {
+		public void setSkipPattern(Set<String> patterns) {
 			StandardJarScanFilter filter = new StandardJarScanFilter();
-			filter.setTldSkip(pattern.asCommaDelimitedString());
+			filter.setTldSkip(StringUtils.collectionToCommaDelimitedString(patterns));
 			this.jarScanner.setJarScanFilter(filter);
 		}
 
 	}
 
-	/**
-	 * Skip patterns used by Spring Boot.
-	 */
-	private static class SkipPattern {
-
-		private Set<String> patterns = new LinkedHashSet<String>();
-
-		SkipPattern(Set<String> patterns) {
-			for (String pattern : patterns) {
-				add(pattern);
-			}
-		}
-
-		protected void add(String patterns) {
-			Assert.notNull(patterns, "Patterns must not be null");
-			if (patterns.length() > 0 && !patterns.trim().startsWith(",")) {
-				this.patterns.add(",");
-			}
-			this.patterns.add(patterns);
-		}
-
-		public String asCommaDelimitedString() {
-			return StringUtils.collectionToCommaDelimitedString(this.patterns);
-		}
-
-		public Set<String> asSet() {
-			return Collections.unmodifiableSet(this.patterns);
-		}
-
-	}
-
 }

spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TldSkipPatterns.java

+/*
+ * Copyright 2012-2016 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.boot.context.embedded.tomcat;
+
+import java.util.Collections;
+import java.util.LinkedHashSet;
+import java.util.Set;
+
+/**
+ * TLD Skip Patterns used by Spring Boot.
+ *
+ * @author Phillip Webb
+ */
+final class TldSkipPatterns {
+
+	private static final Set<String> TOMCAT;
+
+	static {
+		// Same as Tomcat
+		Set<String> patterns = new LinkedHashSet<String>();
+		patterns.add("ant-*.jar");
+		patterns.add("aspectj*.jar");
+		patterns.add("commons-beanutils*.jar");
+		patterns.add("commons-codec*.jar");
+		patterns.add("commons-collections*.jar");
+		patterns.add("commons-dbcp*.jar");
+		patterns.add("commons-digester*.jar");
+		patterns.add("commons-fileupload*.jar");
+		patterns.add("commons-httpclient*.jar");
+		patterns.add("commons-io*.jar");
+		patterns.add("commons-lang*.jar");
+		patterns.add("commons-logging*.jar");
+		patterns.add("commons-math*.jar");
+		patterns.add("commons-pool*.jar");
+		patterns.add("geronimo-spec-jaxrpc*.jar");
+		patterns.add("h2*.jar");
+		patterns.add("hamcrest*.jar");
+		patterns.add("hibernate*.jar");
+		patterns.add("jmx*.jar");
+		patterns.add("jmx-tools-*.jar");
+		patterns.add("jta*.jar");
+		patterns.add("junit-*.jar");
+		patterns.add("httpclient*.jar");
+		patterns.add("log4j-*.jar");
+		patterns.add("mail*.jar");
+		patterns.add("org.hamcrest*.jar");
+		patterns.add("slf4j*.jar");
+		patterns.add("tomcat-embed-core-*.jar");
+		patterns.add("tomcat-embed-logging-*.jar");
+		patterns.add("tomcat-jdbc-*.jar");
+		patterns.add("tomcat-juli-*.jar");
+		patterns.add("tools.jar");
+		patterns.add("wsdl4j*.jar");
+		patterns.add("xercesImpl-*.jar");
+		patterns.add("xmlParserAPIs-*.jar");
+		patterns.add("xml-apis-*.jar");
+		TOMCAT = Collections.unmodifiableSet(patterns);
+	}
+
+	private static final Set<String> ADDITIONAL;
+
+	static {
+		// Additional typical for Spring Boot applications
+		Set<String> patterns = new LinkedHashSet<String>();
+		patterns.add("antlr-*.jar");
+		patterns.add("aopalliance-*.jar");
+		patterns.add("aspectjrt-*.jar");
+		patterns.add("aspectjweaver-*.jar");
+		patterns.add("classmate-*.jar");
+		patterns.add("dom4j-*.jar");
+		patterns.add("ecj-*.jar");
+		patterns.add("ehcache-core-*.jar");
+		patterns.add("hibernate-core-*.jar");
+		patterns.add("hibernate-commons-annotations-*.jar");
+		patterns.add("hibernate-entitymanager-*.jar");
+		patterns.add("hibernate-jpa-2.1-api-*.jar");
+		patterns.add("hibernate-validator-*.jar");
+		patterns.add("hsqldb-*.jar");
+		patterns.add("jackson-annotations-*.jar");
+		patterns.add("jackson-core-*.jar");
+		patterns.add("jackson-databind-*.jar");
+		patterns.add("jandex-*.jar");
+		patterns.add("javassist-*.jar");
+		patterns.add("jboss-logging-*.jar");
+		patterns.add("jboss-transaction-api_*.jar");
+		patterns.add("jcl-over-slf4j-*.jar");
+		patterns.add("jdom-*.jar");
+		patterns.add("jul-to-slf4j-*.jar");
+		patterns.add("log4j-over-slf4j-*.jar");
+		patterns.add("logback-classic-*.jar");
+		patterns.add("logback-core-*.jar");
+		patterns.add("rome-*.jar");
+		patterns.add("slf4j-api-*.jar");
+		patterns.add("spring-aop-*.jar");
+		patterns.add("spring-aspects-*.jar");
+		patterns.add("spring-beans-*.jar");
+		patterns.add("spring-boot-*.jar");
+		patterns.add("spring-core-*.jar");
+		patterns.add("spring-context-*.jar");
+		patterns.add("spring-data-*.jar");
+		patterns.add("spring-expression-*.jar");
+		patterns.add("spring-jdbc-*.jar,");
+		patterns.add("spring-orm-*.jar");
+		patterns.add("spring-oxm-*.jar");
+		patterns.add("spring-tx-*.jar");
+		patterns.add("snakeyaml-*.jar");
+		patterns.add("tomcat-embed-el-*.jar");
+		patterns.add("validation-api-*.jar");
+		patterns.add("xml-apis-*.jar");
+		ADDITIONAL = Collections.unmodifiableSet(patterns);
+	}
+
+	static final Set<String> DEFAULT;
+
+	static {
+		Set<String> patterns = new LinkedHashSet<String>();
+		patterns.addAll(TOMCAT);
+		patterns.addAll(ADDITIONAL);
+		DEFAULT = Collections.unmodifiableSet(patterns);
+	}
+
+	private TldSkipPatterns() {
+	}
+
+}

spring-boot/src/main/java/org/springframework/boot/context/embedded/tomcat/TomcatEmbeddedServletContainerFactory.java

@@ -127,7 +127,7 @@ public class TomcatEmbeddedServletContainerFactory
 	private String protocol = DEFAULT_PROTOCOL;
 
 	private Set<String> tldSkipPatterns = new LinkedHashSet<String>(
-			SkipPatternJarScanner.defaultPatterns());
+			TldSkipPatterns.DEFAULT);
 
 	private Charset uriEncoding = DEFAULT_CHARSET;
 
@@ -554,23 +554,12 @@ public class TomcatEmbeddedServletContainerFactory
 	 * A comma-separated list of jars to ignore for TLD scanning. See Tomcat's
 	 * catalina.properties for typical values. Defaults to a list drawn from that source.
 	 * @param tldSkip the jars to skip when scanning for TLDs etc
-	 * @deprecated since 1.5.0 in favor of {@link #setTldSkipPatterns(List)}
+	 * @deprecated since 1.5.0 in favor of {@link #setTldSkipPatterns(Collection)}
 	 */
 	@Deprecated
 	public void setTldSkip(String tldSkip) {
 		Assert.notNull(tldSkip, "TldSkip must not be null");
-		setTldSkipPatterns(Arrays.asList(
-				StringUtils.commaDelimitedListToStringArray(tldSkip)));
-	}
-
-	/**
-	 * Set the patterns that match jars to ignore for TLD scanning. See Tomcat's
-	 * catalina.properties for typical values. Defaults to a list drawn from that source.
-	 * @param patterns the jar patterns to skip when scanning for TLDs etc
-	 */
-	public void setTldSkipPatterns(List<String> patterns) {
-		Assert.notNull(patterns, "patterns must not be null");
-		this.tldSkipPatterns = new LinkedHashSet<String>(patterns);
+		setTldSkipPatterns(StringUtils.commaDelimitedListToSet(tldSkip));
 	}
 
 	/**
@@ -581,13 +570,23 @@ public class TomcatEmbeddedServletContainerFactory
 		return this.tldSkipPatterns;
 	}
 
+	/**
+	 * Set the patterns that match jars to ignore for TLD scanning. See Tomcat's
+	 * catalina.properties for typical values. Defaults to a list drawn from that source.
+	 * @param patterns the jar patterns to skip when scanning for TLDs etc
+	 */
+	public void setTldSkipPatterns(Collection<String> patterns) {
+		Assert.notNull(patterns, "Patterns must not be null");
+		this.tldSkipPatterns = new LinkedHashSet<String>(patterns);
+	}
+
 	/**
 	 * Add patterns that match jars to ignore for TLD scanning. See Tomcat's
 	 * catalina.properties for typical values.
 	 * @param patterns the additional jar patterns to skip when scanning for TLDs etc
 	 */
-	public void addAdditionalTldSkipPatterns(String... patterns) {
-		Assert.notNull(patterns, "patterns must not be null");
+	public void addTldSkipPatterns(String... patterns) {
+		Assert.notNull(patterns, "Patterns must not be null");
 		this.tldSkipPatterns.addAll(Arrays.asList(patterns));
 	}