|
1 package org.apache.slide.projector;
2
3 import java.util.Iterator  ;
4 import java.util.List ;
5
6 public class ContentType {
7 public final static String XML = "text/xml";
8 public final static String HTML = "text/html";
9 public final static String PLAIN_TEXT = "text/plain";
10 public final static String ANY_TEXT = "text/*";
11 public final static String DYNAMIC = "*";
12
13 public static String determineContentType(String content) {
14 if (content.indexOf("<html") != -1 ) {
15 return HTML;
16 } else if (content.startsWith("<?xml")) {
17 return XML;
18 } else {
19 return PLAIN_TEXT;
20 }
21 }
22
23 public static boolean determineIsDocument(String content) {
24 if (determineContentType(content) == PLAIN_TEXT ) {
25 return false;
26 }
27 return true;
28 }
29
30 public static boolean matches(String requiredContentType, String givenContentType) {
31 if ( requiredContentType.equals(givenContentType) ) return true;
32 if ( requiredContentType.endsWith("*") && givenContentType.startsWith(requiredContentType.substring(0, requiredContentType.length()-1)) ) return true;
33 return false;
34 }
35
36 public static boolean matches(String []allowedContentTypes, String givenContentType) {
37 for ( int i = 0; i < allowedContentTypes.length; i++ ) {
38 if ( matches(allowedContentTypes[i], givenContentType ) ) return true;
39 }
40 return false;
41 }
42
43 public static String getContentTypesAsString(List contentTypes) {
44 StringBuffer buffer = new StringBuffer (256);
45 boolean first = true;
46 for ( Iterator i = contentTypes.iterator(); i.hasNext(); ) {
47 if ( !first ) {
48 buffer.append(", ");
49 }
50 first = false;
51 buffer.append(i.next());
52 }
53 return buffer.toString();
54 }
55
56 public static String getContentTypesAsString(String [] contentTypes) {
57 StringBuffer buffer = new StringBuffer (256);
58 for ( int i = 0; i < contentTypes.length; i++ ) {
59 if ( i > 0 ) {
60 buffer.append(", ");
61 }
62 buffer.append(contentTypes[i]);
63 }
64 return buffer.toString();
65 }
66 } |
Popular Tags |
Java API By Example, From Geeks To Geeks.