cli method for validatoion walk

Mustang-CLI/src/main/java/org/mustangproject/commandline/Main.java

@@ -324,6 +324,10 @@ public class Main {
 
 				optionsRecognized=performValidate(sourceName);
 
+			} else if ((action!=null)&&(action.equals("validateExpectValid"))) {
+
+				optionsRecognized=performValidateExpect(true, directoryName);
+
 			} else {
 				// no argument or argument unknown
 				printUsage();
@@ -354,6 +358,20 @@ public class Main {
 		return optionsRecognized;
 	}
 
+	private static boolean performValidateExpect(boolean valid, String dirName) {
+		ValidatorFileWalker zfWalk = new ValidatorFileWalker();
+		Path startingDir = Paths.get(dirName);
+		try {
+			Files.walkFileTree(startingDir, zfWalk);
+
+		} catch (IOException e1) {
+			// TODO Auto-generated catch block
+			e1.printStackTrace();
+		}
+
+		return true;
+	}
+
 	private static void performUpgrade(String xmlName, String outName) throws IOException, TransformerException {
 
 		// Get params from user if not already defined

Mustang-CLI/src/main/java/org/mustangproject/commandline/ValidatorFileWalker.java

@@ -0,0 +1,78 @@
+package org.mustangproject.commandline;
+
+
+
+import java.io.IOException;
+import java.nio.file.FileSystems;
+import java.nio.file.FileVisitResult;
+import java.nio.file.Path;
+import java.nio.file.PathMatcher;
+import java.nio.file.SimpleFileVisitor;
+import java.nio.file.attribute.BasicFileAttributes;
+import java.text.DateFormat;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+import org.slf4j.Logger;
+import org.slf4j.LoggerFactory;
+import org.xmlunit.builder.Input;
+import org.xmlunit.xpath.JAXPXPathEngine;
+import org.xmlunit.xpath.XPathEngine;
+import org.mustangproject.validator.ZUGFeRDValidator;
+
+import static org.xmlunit.assertj.XmlAssert.assertThat;
+
+public  class ValidatorFileWalker
+    extends SimpleFileVisitor<Path> {
+	private static final Logger LOGGER = LoggerFactory.getLogger(ValidatorFileWalker.class.getCanonicalName()); // log
+	protected PathMatcher matcher;
+	protected ZUGFeRDValidator zul;
+	protected int fileCount=1;
+
+	public ValidatorFileWalker() {
+		this.zul = new ZUGFeRDValidator();
+		;
+		matcher = FileSystems.getDefault().getPathMatcher("glob:*.{pdf,xml}");
+
+	}
+    // Print information about
+    // each type of file.
+    @Override
+    public FileVisitResult visitFile(Path file,
+                                   BasicFileAttributes attr) {
+    	DateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
+        //get current date time with Date()
+        Date date = new Date();
+        if ((attr!=null)&&(attr.isRegularFile())) {
+        	if (matcher.matches(file.getFileName())) {
+        		
+                LOGGER.info(String.format("\n@%s Testing file %d: %s ", dateFormat.format(date), fileCount++, file));
+                assertThat(zul.validate(file.toAbsolutePath().toString())).valueByXPath("/validation/summary/@status") 
+    			.asString() 
+    			.isEqualTo(
+    					"valid");
+
+        	}
+        }
+        return FileVisitResult.CONTINUE;
+    }
+
+    // Print each directory visited.
+    @Override
+    public FileVisitResult postVisitDirectory(Path dir,
+                                          IOException exc) {
+        LOGGER.info("\nDirectory: %s%n", dir);
+        return FileVisitResult.CONTINUE;
+    }
+
+    // If there is some error accessing
+    // the file, let the user know.
+    // If you don't override this method
+    // and an error occurs, an IOException 
+    // is thrown.
+    @Override
+    public FileVisitResult visitFileFailed(Path file,
+                                       IOException exc) {
+        LOGGER.error(exc.getMessage(),exc);
+        return FileVisitResult.CONTINUE;
+    }
+}