Initial data commit

Task/Strip-block-comments/Java/strip-block-comments.java

@@ -0,0 +1,50 @@
+import java.io.*;
+
+public class StripBlockComments{
+    public static String readFile(String filename) {
+	BufferedReader reader = new BufferedReader(new FileReader(filename));
+	try {
+	    StringBuilder fileContents = new StringBuilder();
+	    char[] buffer = new char[4096];
+	    while (reader.read(buffer, 0, 4096) > 0) {
+		fileContents.append(buffer);
+	    }
+	    return fileContents.toString();
+	} finally {
+	    reader.close();
+	}
+    }
+
+    public static String stripComments(String beginToken, String endToken,
+				       String input) {
+	StringBuilder output = new StringBuilder();
+	while (true) {
+	    int begin = input.indexOf(beginToken);
+	    int end = input.indexOf(endToken, begin+beginToken.length());
+	    if (begin == -1 || end == -1) {
+		output.append(input);
+		return output.toString();
+	    }
+	    output.append(input.substring(0, begin));
+	    input = input.substring(end + endToken.length());
+	}
+    }
+
+    public static void main(String[] args) {
+	if (args.length < 3) {
+	    System.out.println("Usage: BeginToken EndToken FileToProcess");
+	    System.exit(1);
+	}
+
+	String begin = args[0];
+	String end = args[1];
+	String input = args[2];
+
+	try {
+	    System.out.println(stripComments(begin, end, readFile(input)));
+	} catch (Exception e) {
+	    e.printStackTrace();
+	    System.exit(1);
+	}
+    }
+}