From 5bc659799b8e57e41d5b0f13db26cc6ce59ae1ea Mon Sep 17 00:00:00 2001
From: wjoe <joe@lc8n.com>
Date: Thu, 22 Dec 2011 11:50:51 +0000
Subject: Initial commit

---
 blaconvert.java | 134 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 134 insertions(+)
 create mode 100644 blaconvert.java

(limited to 'blaconvert.java')

diff --git a/blaconvert.java b/blaconvert.java
new file mode 100644
index 0000000..c493df8
--- /dev/null
+++ b/blaconvert.java
@@ -0,0 +1,134 @@
+/*
+    This program is free software: you can redistribute it and/or modify
+    it under the terms of the GNU General Public License as published by
+    the Free Software Foundation, either version 3 of the License, or
+    (at your option) any later version.
+
+    This program 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 for more details.
+
+    You should have received a copy of the GNU General Public License
+    along with this program.  If not, see <http://www.gnu.org/licenses/>.
+*/
+
+/*
+    Copyright 2011 Joe Robinson <joe@lc8n.com>
+    based on code by Jamie Walters <jagw@jagw.co.uk>
+    based on code by  Joe Robinson <joe@lc8n.com>
+*/
+
+
+import java.net.URL;
+import java.net.URLConnection;
+import java.io.BufferedReader;
+import java.io.IOException;
+import java.io.InputStreamReader;
+import java.util.ArrayList;
+
+public class blaconvert {
+
+	public static void main(String[] args) throws IOException
+	{
+        String sourceUnit = "";
+        String targetUnit = "";
+        String amount = "";
+		/* Build query from query or arguments, depending on whether
+		   arguments were given. */
+		if (args.length == 0) {
+		try {
+			BufferedReader br = new BufferedReader(new InputStreamReader(System.in));
+			String[] split = br.readLine().split(" ");
+			amount = split[0];
+			sourceUnit = split[1];
+			targetUnit = split[3];
+
+			} catch (Exception e) {
+				System.err.println("Error:" + e.getMessage());
+				System.exit(1);
+			}
+		} else {
+			amount = args[0];
+			sourceUnit = args[1];
+			targetUnit = args[2];
+		}
+        
+
+		//URL which provides XML response
+		URL url = new URL("http://www.google.com/ig/calculator?hl=en&q="+amount+sourceUnit+"=?"+targetUnit);
+		URLConnection urlc = url.openConnection();
+
+		BufferedReader br = new BufferedReader(new InputStreamReader(urlc.getInputStream()));
+		String line;
+		String[] lines;
+		String tempString = "";
+		String lhs = "";
+		String rhs = "";
+		String error = "";
+		//Read every line
+		while ((line = br.readLine()) != null)
+		{
+			// Splits the google output by the commas
+			lines = line.split(",");
+			
+			for(int i=0; i<lines.length; i++){
+				//System.out.println(lines[i]);
+				// Get the useful information (the urls!)
+				if(lines[i].trim().startsWith("{lhs")){
+					tempString = lines[i];
+					// Blat the non-url information
+					lhs = tempString.substring(7, tempString.length()-1);
+				}
+               			else if(lines[i].trim().startsWith("rhs")){
+					tempString = lines[i];
+					// Blat the non-url information
+					rhs = tempString.substring(6, tempString.length()-1);
+				}
+				else if(lines[i].trim().startsWith("error")){
+					tempString = lines[i];
+					// Blat the non-url information
+					error = tempString.substring(8, tempString.length()-1);
+				}
+
+			}
+
+		}
+		
+		String[] parts = rhs.split(" ");
+		String result = "";
+		
+		//Convert weird output into something that makes sense
+		for (int i = 0; i < parts.length; i++)
+		{
+			//System.out.println(parts[i]);
+			if (parts[i].equals("\\x26#215;"))
+			{
+				parts[i] = "*";
+			} else if (parts[i].startsWith("10\\"))
+			{
+				String[] exp = parts[i].split("\\\\");
+				parts[i] = "10^"+exp[2].substring(3, exp[2].length());
+			}
+			result += parts[i]+" ";
+		}
+		
+		// Print results
+		if(error.isEmpty()) {
+
+			System.out.println(lhs+" = "+result);
+			System.exit(0);
+			
+		} else {
+			if(error.equals("4"))
+			{
+				error = "Unknown unit";
+			}
+			System.out.print("Error: "+error);
+			System.out.println("\n");
+			System.exit(1);
+		}
+
+	}
+
+}
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