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comparison src/luan/lib/Utils.java @ 143:fcb81fa2df0d

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handle urls and java resources as files git-svn-id: https://luan-java.googlecode.com/svn/trunk@144 21e917c8-12df-6dd8-5cb6-c86387c605b9
author fschmidt@gmail.com <fschmidt@gmail.com@21e917c8-12df-6dd8-5cb6-c86387c605b9>
date Fri, 13 Jun 2014 19:04:05 +0000
parents 0594c132888b
children d310ebf4d6e7
comparison
equal deleted inserted replaced
142:05f8c21160ef 143:fcb81fa2df0d
3 import java.io.Reader; 3 import java.io.Reader;
4 import java.io.IOException; 4 import java.io.IOException;
5 import java.io.ByteArrayOutputStream; 5 import java.io.ByteArrayOutputStream;
6 import java.io.InputStream; 6 import java.io.InputStream;
7 import java.io.OutputStream; 7 import java.io.OutputStream;
8 import java.io.File;
9 import java.net.URL;
10 import java.net.MalformedURLException;
8 import luan.LuanState; 11 import luan.LuanState;
9 import luan.LuanException; 12 import luan.LuanException;
10 13
11 14
12 public final class Utils { 15 public final class Utils {
47 ByteArrayOutputStream out = new ByteArrayOutputStream(); 50 ByteArrayOutputStream out = new ByteArrayOutputStream();
48 copyAll(in,out); 51 copyAll(in,out);
49 return out.toByteArray(); 52 return out.toByteArray();
50 } 53 }
51 54
55 public static boolean isFile(String path) {
56 return new File(path).exists();
57 }
58
59 public static String toUrl(String path) {
60 if( path.indexOf(':') == -1 )
61 return null;
62 if( path.startsWith("java:") ) {
63 path = path.substring(5);
64 URL url = ClassLoader.getSystemResource(path);
65 return url==null ? null : url.toString();
66 }
67 try {
68 new URL(path);
69 return path;
70 } catch(MalformedURLException e) {}
71 return null;
72 }
73
74 public static boolean exists(String path) {
75 return isFile(path) || toUrl(path)!=null;
76 }
52 } 77 }