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1   /*
2    * Copyright 2007-2008 the original author or authors.
3    * 
4    * Licensed under the Apache License, Version 2.0 (the "License");
5    * you may not use this file except in compliance with the License.
6    * You may obtain a copy of the License at
7    * 
8    *      http://www.apache.org/licenses/LICENSE-2.0
9    * 
10   * Unless required by applicable law or agreed to in writing, software
11   * distributed under the License is distributed on an "AS IS" BASIS,
12   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13   * See the License for the specific language governing permissions and
14   * limitations under the License.
15   */
16  
17  package org.gwe.utils.security;
18  
19  import java.io.Serializable;
20  
21  import org.apache.commons.logging.Log;
22  import org.apache.commons.logging.LogFactory;
23  import org.gwe.drivers.HandleCreationException;
24  import org.gwe.drivers.ResourceHandle;
25  import org.gwe.drivers.ResourceHandleFactory;
26  import org.gwe.drivers.netAccess.HostHandle;
27  
28  /**
29   * @author Marco Ruiz
30   * @since Jul 2, 2007
31   */
32  public class ResourceLink<HANDLE_TYPE extends ResourceHandle> implements Serializable {
33  	
34  	private static Log log = LogFactory.getLog(ResourceLink.class);
35  
36  	private static ResourceHandleFactory repo;
37  	
38  	public static void setHandleFactory(ResourceHandleFactory repo) {
39  		ResourceLink.repo = repo;
40      }
41  
42  	protected ThinURI uri;
43  	protected AccountInfo account;
44  	
45  	public ResourceLink(ThinURI uri, AccountInfo account) {
46  		this.uri = uri;
47  		this.account = account;
48  		if (account == null)
49  			log.warn("Account not found for uri" + uri);
50  	}
51  
52  	public AccountInfo getAccountInfo() {
53  		return account;
54  	}
55  
56  	public ThinURI getURI() {
57  		return uri;
58  	}
59  	
60  	public String getURIHost() {
61  	    return (uri == null) ? null : uri.getHost();
62      }
63  
64  	public ResourceLink<HostHandle> cloneToHostLink(ProtocolScheme hostScheme) {
65  		ThinURI hostURI = new ThinURI(hostScheme, uri.getHost(), "");
66  		return new ResourceLink<HostHandle>(hostURI, account); 
67  	}
68  	
69  	public HANDLE_TYPE createHandle() throws HandleCreationException {
70          return repo.createHandle(this);
71  	}
72  	
73  	public Class<HANDLE_TYPE> getHandleClass() {
74          return repo.getHandleClass(this);
75  	}
76  	
77  	public String toString() {
78  		String accountName = (account != null) ? account.getUser() : "NONE";
79  		return "[" + accountName + "]@[" + uri + "]";
80  	}
81  }
82