src/main/java/charactermanaj/graphics/io/EmbeddedImageResource.java

   1 package charactermanaj.graphics.io;\r
   2 \r
   3 import java.io.IOException;\r
   4 import java.io.InputStream;\r
   5 import java.io.Serializable;\r
   6 import java.net.URI;\r
   7 import java.net.URISyntaxException;\r
   8 import java.net.URL;\r
   9 import java.util.logging.Level;\r
  10 import java.util.logging.Logger;\r
  11 \r
  12 import charactermanaj.util.ResourceLoader;\r
  13 \r
  14 \r
  15 /**\r
  16  * クラスローダからリソースを読み込むイメージリソース.<br>\r
  17  * @author seraphy\r
  18  */\r
  19 public class EmbeddedImageResource extends ResourceLoader implements ImageResource, Serializable {\r
  20         \r
  21         /**\r
  22          * シリアライズバージョン\r
  23          */\r
  24         private static final long serialVersionUID = 703707046457343373L;\r
  25 \r
  26         /**\r
  27          * ロガー\r
  28          */\r
  29         private static final Logger logger = Logger.getLogger(EmbeddedImageResource.class.getName());\r
  30 \r
  31         /**\r
  32          * ファイル\r
  33          */\r
  34         private String resourceName;\r
  35         \r
  36         \r
  37         public EmbeddedImageResource(String resourceName) {\r
  38                 if (resourceName == null) {\r
  39                         throw new IllegalArgumentException();\r
  40                 }\r
  41                 this.resourceName = resourceName;\r
  42         }\r
  43         \r
  44         public int compareTo(ImageResource o) {\r
  45                 return getFullName().compareTo(o.getFullName());\r
  46         }\r
  47         \r
  48         @Override\r
  49         public int hashCode() {\r
  50                 return getFullName().hashCode();\r
  51         }\r
  52 \r
  53         @Override\r
  54         public boolean equals(Object obj) {\r
  55                 if (obj == this) {\r
  56                         return true;\r
  57                 }\r
  58                 if (obj instanceof ImageResource) {\r
  59                         ImageResource o = (ImageResource) obj;\r
  60                         return getFullName().equals(o.getFullName());\r
  61                 }\r
  62                 return false;\r
  63         }\r
  64         \r
  65         public String getFullName() {\r
  66                 return resourceName;\r
  67         }\r
  68         \r
  69         public URI getURI() {\r
  70                 URL url = getResource(resourceName);\r
  71                 if (url != null) {\r
  72                         try {\r
  73                                 return url.toURI();\r
  74 \r
  75                         } catch(URISyntaxException ex) {\r
  76                                 logger.log(Level.WARNING, "resource name is invalid. " + resourceName, ex);\r
  77                                 // 何もしない.\r
  78                         }\r
  79                 }\r
  80                 return null;\r
  81         }\r
  82         \r
  83         /**\r
  84          * リソースが実在すれば日付は常に1を返す.<br>\r
  85          * リソースが存在しなければ0を返す.<br>\r
  86          */\r
  87         public long lastModified() {\r
  88                 URL url = getResource(resourceName);\r
  89                 if (url == null) {\r
  90                         return 1;\r
  91                 }\r
  92                 return 0;\r
  93         }\r
  94         \r
  95         public InputStream openStream() throws IOException {\r
  96                 URL url = getResource(resourceName);\r
  97                 if (url == null) {\r
  98                         return null;\r
  99                 }\r
 100                 return url.openStream();\r
 101         }\r
 102         \r
 103         @Override\r
 104         public String toString() {\r
 105                 return getFullName();\r
 106         }\r
 107 }\r