undefect. CWE-407 — 63 sites patched across 27 ecosystems

Authors: russell@unturf.com · brackishbert@gmail.com · foxhop.net · TimeHexOn.com

Patches, unit tests, benchmarks, whitepaper, and outreach briefs.
Public domain — no copyright claimed. Use freely.

test/jdk/java/util/TimeZone/TextFileReader.java

@@ -0,0 +1,94 @@
+/*
+ * Copyright (c) 2008, 2022, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation.
+ *
+ * This code is distributed in the hope that it will be useful, but WITHOUT
+ * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
+ * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+
+import java.io.*;
+
+// This class is public so that tools can invoke.
+public class TextFileReader implements AutoCloseable {
+    private BufferedReader reader;
+    private int lineNo;
+
+    public TextFileReader(String filename) throws IOException {
+        this(new File(new File(System.getProperty("test.src", "."),
+                               "TimeZoneData"),
+                      filename));
+    }
+
+    public TextFileReader(File file) throws IOException {
+        InputStream is = new FileInputStream(file);
+        reader = new BufferedReader(new InputStreamReader(is, "utf-8"));
+    }
+
+    public String readLine() throws IOException {
+        return getLine();
+    }
+
+    public String getLine() throws IOException {
+        checkReader();
+
+        String line;
+        while ((line = reader.readLine()) != null) {
+            lineNo++;
+            line = line.trim();
+            // Skip blank and comment lines.
+            if (line.length() == 0) {
+                continue;
+            }
+            int x = line.indexOf('#');
+            if (x == 0) {
+                    continue;
+            }
+            if (x > 0) {
+                line = line.substring(0, x).trim();
+            }
+            break;
+        }
+        return line;
+    }
+
+    public String getRawLine() throws IOException {
+        checkReader();
+
+        String line = reader.readLine();
+        if (line != null) {
+            lineNo++;
+        }
+        return line;
+    }
+
+    private void checkReader() throws IOException {
+        if (reader == null) {
+            throw new IOException("This TextFileReader has been closed.");
+        }
+    }
+
+    @Override
+    public void close() throws IOException {
+        reader.close();
+        reader = null;
+    }
+
+    int getLineNo() {
+        return lineNo;
+    }
+}