INT-1520: add AntPatternFileListFilter

spring-integration-file/src/main/java/org/springframework/integration/file/filters/AntPatternFileListFilter.java

@@ -0,0 +1,24 @@
+package org.springframework.integration.file.filters;
+
+import org.springframework.integration.file.entries.AbstractEntryListFilter;
+import org.springframework.util.AntPathMatcher;
+
+import java.io.File;
+
+/**
+ * @author Iwein Fuld
+ */
+public class AntPatternFileListFilter extends AbstractEntryListFilter<File> {
+
+	private final AntPathMatcher matcher = new AntPathMatcher();
+	private final String path;
+
+	public AntPatternFileListFilter(String path) {
+		this.path = path;
+	}
+
+	@Override
+	public boolean accept(File file) {
+		return matcher.match( path, file.getPath());
+	}
+}

spring-integration-file/src/test/java/org/springframework/integration/file/filters/AntPatternFileListFilterTest.java

@@ -0,0 +1,32 @@
+package org.springframework.integration.file.filters;
+
+import org.junit.Test;
+
+import java.io.File;
+
+import static org.hamcrest.CoreMatchers.is;
+import static org.junit.Assert.assertThat;
+
+/**
+ * @author Iwein Fuld
+ *
+ * Minimal test set to ensure AntPathMatcher is used correctly.
+ */
+public class AntPatternFileListFilterTest {
+
+	@Test
+	public void shouldMatchExactly() {
+		assertThat(new AntPatternFileListFilter("foo/bar").accept(new File("foo/bar")), is(true));
+	}
+
+	@Test
+	public void shouldMatchQuestionMark() {
+		assertThat(new AntPatternFileListFilter("*/bar").accept(new File("foo/bar")), is(true));
+	}
+	
+	@Test
+	public void shouldMatchWildcard() {
+		assertThat(new AntPatternFileListFilter("foo/ba?").accept(new File("foo/bar")), is(true));
+	}
+
+}