Algorithms-I : 1-Percolation: add Percolation.java

1 files changed, 72 insertions, 0 deletions

diff --git a/Algorithms/Part-I/1-Percolation/Percolation.java b/Algorithms/Part-I/1-Percolation/Percolation.java
new file mode 100644
index 0000000..a866013
--- /dev/null
+++ b/Algorithms/Part-I/1-Percolation/Percolation.java
@@ -0,0 +1,72 @@
+/* vim: set expandtab tabstop=4 shiftwidth=4 : */
+
+// package pkgname;
+
+import java.io.File;
+import java.util.Date;
+import jargs.gnu.CmdLineParser;
+
+public class Percolation {
+     public Percolation(int N)              // create N-by-N grid, with all sites blocked
+        public void open(int i, int j)         // open site (row i, column j) if it is not already
+        public boolean isOpen(int i, int j)    // is site (row i, column j) open?
+        public boolean isFull(int i, int j)    // is site (row i, column j) full?
+        public boolean percolates()            // does the system percolate?
+}
+/**
+ * Class Percolation
+ *
+ * @author  <john.doe@nope.com>
+ * @date 02/03/13
+ */
+ public class Percolation {
+
+	/*
+	 * print usage and exit with status 1
+	 */
+	private static void printUsage () {
+		System.err.println("Usage : Percolation [{-d, --debug} a_float] [ --input file_name]");
+		System.err.println("            debug   : debug verbosity");
+		System.err.println("            input   : path to input file");
+	}
+
+	/**
+	 * application entry point
+	 */
+	public static void main (String [] args ) {
+
+        CmdLineParser parser = new CmdLineParser();
+        CmdLineParser.Option debug = parser.addIntegerOption('d',"debug");
+        CmdLineParser.Option input = parser.addStringOption("input");
+
+        try {
+            parser.parse(args);
+        } catch(CmdLineParser.OptionException e) {
+            System.err.println("\n"+e.getMessage());
+            printUsage();
+		    System.exit(2);
+        }
+
+        int debugLevel = ((Integer)parser.getOptionValue(debug,new Integer(0))).intValue();
+        String inputFile = (String)parser.getOptionValue(input);
+
+        if(debugLevel>0){
+            System.out.println("Debug Trace :");
+            System.out.println("\t"+new Date( ) );
+            System.out.println("\tdebug level : "+debugLevel);
+            System.out.println("\texcel file  : "+inputFile);
+        }
+
+        if(inputFile!=null && !inputFile.equals("")){
+            File f = new File(inputFile);
+            if(!f.canRead()){
+                System.err.println("Fatal Error : Unable to read "+inputFile);
+                System.exit(1);
+            }
+        }
+
+        System.exit(0);
+    }
+}
+
+