1 files changed, 114 insertions, 0 deletions
diff --git a/tests/server-side/com/vaadin/tests/server/SourceFileChecker.java b/tests/server-side/com/vaadin/tests/server/SourceFileChecker.java
new file mode 100644
index 0000000000..91aaf131f5
--- /dev/null
+++ b/tests/server-side/com/vaadin/tests/server/SourceFileChecker.java
@@ -0,0 +1,114 @@
+package com.vaadin.tests.server;
+
+import java.io.File;
+import java.io.FileInputStream;
+import java.io.IOException;
+import java.util.HashSet;
+
+import junit.framework.Assert;
+import junit.framework.TestCase;
+
+import org.apache.commons.io.IOUtils;
+
+public class SourceFileChecker extends TestCase {
+
+    /**
+     * The tests are run in the build directory.
+     */
+    public static String baseDirectory = null;
+    public static final String SRC_DIR = getBaseDir() + "src";
+    public static final String TESTBENCH_SRC_DIR = getBaseDir()
+            + "tests/testbench";
+    public static final String SERVERSIDE_SRC_DIR = getBaseDir()
+            + "tests/server-side";
+    public static final String CLIENTSIDE_SRC_DIR = getBaseDir()
+            + "tests/client-side";
+
+    public static String getBaseDir() {
+        if (baseDirectory != null) {
+            return baseDirectory;
+        }
+        // Run in the "build" directory by build, in the project root by Eclipse
+        for (File f : new File("..").listFiles()) {
+            if (f.getName().equals("buildhelpers")) {
+                // We are in "build"
+                baseDirectory = "../";
+                return baseDirectory;
+            }
+        }
+
+        baseDirectory = "";
+        return baseDirectory;
+    }
+
+    private static final String[] ALL_SRC_DIRS = new String[] { SRC_DIR,
+            TESTBENCH_SRC_DIR, SERVERSIDE_SRC_DIR, CLIENTSIDE_SRC_DIR };
+
+    public void testJavaFilesContainsLicense() throws IOException {
+        validateJavaFiles(SRC_DIR, new LicenseChecker(),
+                "The following files are missing license information:\n{0}");
+    }
+
+    public void testJavaFilesUseUnixNewline() throws IOException {
+        for (String dir : ALL_SRC_DIRS) {
+            validateJavaFiles(dir, new DosNewlineDetector(),
+                    "The following files contain CRLF instead of LF:\n{0}");
+        }
+    }
+
+    public interface FileValidator {
+        void validateFile(File f) throws Exception;
+    }
+
+    private void validateJavaFiles(String directory, FileValidator validator,
+            String errorMessage) {
+        File srcDir = new File(directory);
+        System.out.println(new File(".").getAbsolutePath());
+        HashSet<String> missing = new HashSet<String>();
+        validateFiles(srcDir, missing, validator, ".java");
+        if (!missing.isEmpty()) {
+            throw new RuntimeException(errorMessage.replace("{0}",
+                    missing.toString()));
+        }
+
+    }
+
+    private void validateFiles(File srcDir, HashSet<String> missing,
+            FileValidator validator, String suffix) {
+        Assert.assertTrue("Directory " + srcDir + " does not exist",
+                srcDir.exists());
+
+        for (File f : srcDir.listFiles()) {
+            if (f.isDirectory()) {
+                validateFiles(f, missing, validator, suffix);
+            } else if (f.getName().endsWith(suffix)) {
+                try {
+                    validator.validateFile(f);
+                } catch (Throwable t) {
+                    missing.add(f.getPath());
+                }
+            }
+        }
+    }
+
+    class DosNewlineDetector implements FileValidator {
+
+        public void validateFile(File f) throws Exception {
+            String contents = IOUtils.toString(new FileInputStream(f));
+            if (contents.contains("\r\n")) {
+                throw new IllegalArgumentException();
+            }
+
+        }
+    }
+
+    class LicenseChecker implements FileValidator {
+        public void validateFile(File f) throws Exception {
+            String contents = IOUtils.toString(new FileInputStream(f));
+            if (!contents.contains("@" + "VaadinApache2LicenseForJavaFiles"
+                    + "@")) {
+                throw new IllegalArgumentException();
+            }
+        }
+    }
+}