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1 package com.openedit.archive.update;
2
3 import java.util.ArrayList  ;
4 import java.util.Iterator ;
5 import java.util.List ;
6
7 import org.apache.commons.logging.Log;
8 import org.apache.commons.logging.LogFactory;
9
10 public class ExifEditBuilder {
11 private static final String _SUPPRESS_BACKUP_IMAGE = "/b";
12
13 private final static String Q = "\"";
14
15 private final static String EscQ = "\\\"";
16
17 private static final Log log = LogFactory.getLog(ExifEditBuilder.class);
18
19 boolean valid = true;
20
21 String filename = "";
22
23 String comments = "";
24
25 List ip_keywords = new ArrayList ();
26
27 private boolean makeBackupImage = false;
28
29 public void makeBackupImage() {
30 makeBackupImage = true;
31 }
32
33 public ExifEditBuilder(String filename) {
34 this.filename = filename;
35 }
36
37 public String cmdLineStr() {
38 String result = "";
39 boolean first = true;
40 List args = cmdLine();
41 if (args == null)
42 return null;
43 for (Iterator iter = args.iterator(); iter.hasNext();) {
44 String element = (String ) iter.next();
45 if (!first)
46 result += " ";
47 result += element;
48 first = false;
49 }
50 return result;
51 }
52
53 public List cmdLine() {
54 if (!valid)
55 return null;
56
57 List cmd = new ArrayList ();
58 cmd.add("exifedit");
59 addBackupFlag(cmd);
60 if (!keywordValid())
61 return null;
62 addNickNames(cmd);
63 addFilename(cmd);
64 return cmd;
65 }
66
67 private boolean keywordValid() {
68 for (Iterator iter = ip_keywords.iterator(); iter.hasNext();) {
69 String keyword = (String ) iter.next();
70 if (keyword.contains(";")) {
71 valid = false;
72 return false;
73 }
74 }
75 return true;
76 }
77
78 private void addFilename(List cmd) {
79 cmd.add(filename);
80 }
81
82 private void addBackupFlag(List cmd) {
83 if (!makeBackupImage)
84 cmd.add(_SUPPRESS_BACKUP_IMAGE);
85 }
86
87 private void addNickNames(List cmd) {
88 cmd.add("/a");
89 String nicknames = "";
90 nicknames = addKeywords(nicknames);
91 nicknames = addComments(nicknames);
92 cmd.add(quote(nicknames));
93 }
94
95 private String addComments(String nicknames) {
96 if (comments == null || comments.length() == 0)
97 return nicknames;
98 return nicknames += ",comment=" + Q + comments + Q;
99 }
100
101 private String addKeywords(String nicknames) {
102 boolean first = true;
103 for (Iterator iter = ip_keywords.iterator(); iter.hasNext();) {
104 String keyword = (String ) iter.next();
105 if (!first)
106 nicknames += ",";
107 nicknames += "ip-keyword=" + Q + keyword + Q;
108 first = false;
109 }
110 return nicknames;
111 }
112
113 public String quote(String nicknames) {
114 nicknames = nicknames.replace(Q, EscQ);
115 return Q + nicknames + Q;
116 }
117
118 public void setKeys(List ip_keywords) {
119 if (ip_keywords.isEmpty()) {
120 log.warn("Empty list of keywords for file: " + filename);
121 valid = false;
122 return;
123 }
124 this.ip_keywords = ip_keywords;
125 }
126
127 public void setComments(String comments) {
128 this.comments = comments;
129 }
130
131 }
132 |
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