1 | |
|
2 | |
|
3 | |
|
4 | |
|
5 | |
|
6 | |
|
7 | |
|
8 | |
|
9 | |
|
10 | |
package org.mule.module.atom.routing; |
11 | |
|
12 | |
import org.mule.api.MuleMessage; |
13 | |
import org.mule.api.MuleRuntimeException; |
14 | |
import org.mule.api.routing.filter.Filter; |
15 | |
import org.mule.api.transformer.TransformerException; |
16 | |
import org.mule.config.i18n.CoreMessages; |
17 | |
|
18 | |
import java.util.Date; |
19 | |
|
20 | |
import org.apache.abdera.model.Feed; |
21 | |
import org.apache.commons.logging.Log; |
22 | |
import org.apache.commons.logging.LogFactory; |
23 | |
|
24 | |
|
25 | |
|
26 | |
|
27 | |
|
28 | |
public class FeedLastUpdatedFilter implements Filter |
29 | |
{ |
30 | |
|
31 | |
|
32 | |
|
33 | 0 | private final transient Log logger = LogFactory.getLog(FeedLastUpdatedFilter.class); |
34 | |
private Date lastUpdate; |
35 | |
|
36 | 0 | private boolean acceptWithoutUpdateDate = true; |
37 | |
|
38 | |
public FeedLastUpdatedFilter() |
39 | 0 | { |
40 | |
|
41 | 0 | } |
42 | |
|
43 | |
public FeedLastUpdatedFilter(Date lastUpdate) |
44 | 0 | { |
45 | 0 | this.lastUpdate = lastUpdate; |
46 | 0 | } |
47 | |
|
48 | |
public boolean accept(MuleMessage message) |
49 | |
{ |
50 | |
Feed feed; |
51 | |
try |
52 | |
{ |
53 | 0 | feed = message.getPayload(Feed.class); |
54 | |
} |
55 | 0 | catch (TransformerException e) |
56 | |
{ |
57 | 0 | throw new MuleRuntimeException(CoreMessages.failedToReadPayload(), e); |
58 | 0 | } |
59 | |
|
60 | 0 | Date updated = feed.getUpdated(); |
61 | 0 | if (updated == null) |
62 | |
{ |
63 | 0 | if (isAcceptWithoutUpdateDate()) |
64 | |
{ |
65 | 0 | if (logger.isDebugEnabled()) |
66 | |
{ |
67 | 0 | logger.debug("Feed does not have a last updated or published date set, assuming the feed should be processed"); |
68 | |
} |
69 | 0 | return true; |
70 | |
} |
71 | |
else |
72 | |
{ |
73 | 0 | if (logger.isWarnEnabled()) |
74 | |
{ |
75 | 0 | logger.warn("Feed does not have a last updated or published date set, not consuming the feed because 'acceptWithoutUpdateDate' is false"); |
76 | |
} |
77 | 0 | return false; |
78 | |
} |
79 | |
} |
80 | |
|
81 | 0 | if (lastUpdate != null) |
82 | |
{ |
83 | 0 | if (lastUpdate.after(updated) || lastUpdate.equals(updated)) |
84 | |
{ |
85 | 0 | if (logger.isDebugEnabled()) |
86 | |
{ |
87 | 0 | logger.debug("Feed update is not newer than the last update, not processing"); |
88 | |
} |
89 | 0 | return false; |
90 | |
} |
91 | |
} |
92 | 0 | lastUpdate = updated; |
93 | 0 | return true; |
94 | |
|
95 | |
} |
96 | |
|
97 | |
public boolean isAcceptWithoutUpdateDate() |
98 | |
{ |
99 | 0 | return acceptWithoutUpdateDate; |
100 | |
} |
101 | |
|
102 | |
public void setAcceptWithoutUpdateDate(boolean acceptWithoutUpdateDate) |
103 | |
{ |
104 | 0 | this.acceptWithoutUpdateDate = acceptWithoutUpdateDate; |
105 | 0 | } |
106 | |
|
107 | |
public Date getLastUpdate() |
108 | |
{ |
109 | 0 | return lastUpdate; |
110 | |
} |
111 | |
|
112 | |
public void setLastUpdate(Date lastUpdate) |
113 | |
{ |
114 | 0 | this.lastUpdate = lastUpdate; |
115 | 0 | } |
116 | |
} |