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1
7
8 package org.jboss.media.entity;
9
10 import java.io.File  ;
11 import java.io.FileInputStream ;
12 import java.io.FileNotFoundException ;
13 import java.io.InputStream ;
14 import java.net.URL ;
15
16 import javax.ejb.CreateException ;
17 import javax.ejb.FinderException ;
18 import javax.ejb.SessionBean ;
19 import javax.emb.MediaEntityLocal;
20 import javax.emb.MediaEntityLocalHome;
21 import javax.emb.MediaException;
22 import javax.naming.Context ;
23 import javax.naming.InitialContext ;
24 import javax.naming.NamingException ;
25
26
43 public abstract class MediaEntityManagerBean implements SessionBean
44 {
45
52 public String createMediaEntity()
53 throws MediaException, CreateException , NamingException
54 {
55 MediaEntityLocalHome mediaEntityLocalHome = getMediaEntityLocalHome();
56 MediaEntityLocal mediaEntityLocal = mediaEntityLocalHome.create();
57 return (String ) mediaEntityLocal.getPrimaryKey();
58 }
59
60 public MediaEntityDTO getMediaEntity(String identity)
61 throws MediaException, FinderException , NamingException
62 {
63 MediaEntityLocal mediaEntityLocal = this.findMediaEntity(identity);
64
65 MediaEntityDTO mediaEntityDTO = new MediaEntityDTO();
66 mediaEntityDTO.setContent(mediaEntityLocal.getContent());
67 mediaEntityDTO.setLocation(mediaEntityLocal.getLocation());
68 mediaEntityDTO.setDescription(mediaEntityLocal.getDescription());
69 mediaEntityDTO.setName(mediaEntityLocal.getName());
70 mediaEntityDTO.setMimeType(mediaEntityLocal.getMimeType());
71
72 return mediaEntityDTO;
73 }
74
75
87 public String updateMediaEntity(
88 String identity,
89 MediaEntityDTO mediaEntityDTO)
90 throws MediaException, FinderException , NamingException
91 {
92 MediaEntityLocal mediaEntityLocal = this.findMediaEntity(identity);
93
94 mediaEntityLocal.setContent(mediaEntityDTO.getContent());
95 mediaEntityLocal.setLocation(mediaEntityDTO.getLocation());
96 mediaEntityLocal.setDescription(mediaEntityDTO.getDescription());
97 mediaEntityLocal.setName(mediaEntityDTO.getName());
98 mediaEntityLocal.setMimeType(mediaEntityDTO.getMimeType());
99
100 return (String ) mediaEntityLocal.getPrimaryKey();
101 }
102
103
125 public Object getMediaEntityProperty(String identity, String property)
126 throws MediaException, FinderException , NamingException
127 {
128 if (identity == null || property == null)
129 {
130 throw new NullPointerException ();
131 }
132
133 MediaEntityLocal mediaEntityLocal = this.findMediaEntity(identity);
134
135 if (property.equals("content"))
136 {
137 return mediaEntityLocal.getContent();
138 }
139 else if (property.equals("location"))
140 {
141 return mediaEntityLocal.getLocation();
142 }
143 else if (property.equals("description"))
144 {
145 return mediaEntityLocal.getDescription();
146 }
147 else if (property.equals("name"))
148 {
149 return mediaEntityLocal.getName();
150 }
151 else if (property.equals("mimeType"))
152 {
153 return mediaEntityLocal.getMimeType();
154 }
155 else
156 {
157 throw new IllegalArgumentException (
158 "Invalid property name: " + property);
159 }
160 }
161
162
180 public void setMediaEntityProperty(
181 String identity,
182 String property,
183 Object value)
184 throws MediaException, FinderException , NamingException
185 {
186 if (identity == null || property == null)
187 {
188 throw new NullPointerException ();
189 }
190
191 MediaEntityLocal mediaEntityLocal = this.findMediaEntity(identity);
192
193 try
194 {
195 if (property.equals("content"))
196 {
197 mediaEntityLocal.setContent((byte[]) value);
198 }
199 else if (property.equals("location"))
200 {
201 mediaEntityLocal.setLocation((URL ) value);
202 }
203 else if (property.equals("description"))
204 {
205 mediaEntityLocal.setDescription((String ) value);
206 }
207 else if (property.equals("name"))
208 {
209 mediaEntityLocal.setName((String ) value);
210 }
211 else if (property.equals("mimeType"))
212 {
213 mediaEntityLocal.setMimeType((String ) value);
214 }
215 else
216 {
217 throw new IllegalArgumentException (
218 "Invalid property name: " + property);
219 }
220 }
221 catch (ClassCastException e)
222 {
223 throw new IllegalArgumentException (
224 "Invalid value for property: " + property);
225 }
226 }
227
228
231 public void setMediaEntityContent(String identity, File contentFile)
232 throws MediaException, FinderException , NamingException , FileNotFoundException
233 {
234 if (identity == null)
235 {
236 throw new NullPointerException ();
237 }
238
239 MediaEntityLocal mediaEntityLocal = this.findMediaEntity(identity);
240 InputStream contentStream = new FileInputStream (contentFile);
241 mediaEntityLocal.setContent(contentStream);
242 }
243
244
246 private MediaEntityLocal findMediaEntity(String identity)
247 throws NamingException , FinderException
248 {
249 MediaEntityLocalHome mediaEntityLocalHome = getMediaEntityLocalHome();
250 return mediaEntityLocalHome.findByPrimaryKey(identity);
251 }
252
253 private MediaEntityLocalHome getMediaEntityLocalHome()
254 throws NamingException
255 {
256 Context initialContext = new InitialContext ();
257 return (MediaEntityLocalHome) initialContext.lookup(MediaEntityBean.MEDIA_ENTITY_JNDI);
258 }
259 } |
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