add WebStatFilter's exclusions, support /foo*, *.html, /bar/index.html

src/main/java/com/alibaba/druid/util/PatternMatcher.java

@@ -0,0 +1,24 @@
+package com.alibaba.druid.util;
+
+/**
+ * Interface for components that can match source strings against a specified pattern string.
+ * <p/>
+ * Different implementations can support different pattern types, for example, Ant style path expressions, or regular
+ * expressions, or other types of text based patterns.
+ * 
+ * @see com.alibaba.druid.util.AntPathMatcher AntPathMatcher
+ * @since 0.2.6
+ */
+public interface PatternMatcher {
+
+    /**
+     * Returns <code>true</code> if the given <code>source</code> matches the specified <code>pattern</code>,
+     * <code>false</code> otherwise.
+     * 
+     * @param pattern the pattern to match against
+     * @param source the source to match
+     * @return <code>true</code> if the given <code>source</code> matches the specified <code>pattern</code>,
+     * <code>false</code> otherwise.
+     */
+    boolean matches(String pattern, String source);
+}