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Java > Open Source Codes > net > sourceforge > cruisecontrol > taglib > ArtifactsLinkTag


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37 package net.sourceforge.cruisecontrol.taglib;
38
39 import java.io.IOException JavaDoc;
40
41 import java.text.ParseException JavaDoc;
42
43 import javax.servlet.jsp.JspException JavaDoc;
44 import javax.servlet.jsp.JspTagException JavaDoc;
45 import javax.servlet.jsp.tagext.BodyContent JavaDoc;
46
47 import net.sourceforge.cruisecontrol.LogFile;
48 import net.sourceforge.cruisecontrol.util.CCTagException;
49
50 /**
51  * Creates an <code>artifacts_url</code> variable with the link to the artifacts
52  * for this project and log file.
53  * @author jfredrick
54  */
55 public class ArtifactsLinkTag extends CruiseControlBodyTagSupport {
56
57     static final String JavaDoc URL_ATTRIBUTE = "artifacts_url";
58     static final String JavaDoc ARTIFACTS_SERVLET_CONTEXT = "artifacts";
59
60     public void doInitBody() throws JspException JavaDoc {
61         String JavaDoc url = getArtifactURL();
62         info("artifactURL is " + url);
63         getPageContext().setAttribute(URL_ATTRIBUTE, url);
64     }
65     
66     public int doAfterBody() throws JspTagException JavaDoc {
67         try {
68             BodyContent JavaDoc out = getBodyContent();
69             out.writeOut(out.getEnclosingWriter());
70         } catch (IOException JavaDoc e) {
71             err(e);
72             throw new CCTagException("IO Error: " + e.getMessage(), e);
73
74         }
75         return SKIP_BODY;
76     }
77
78     private String JavaDoc getArtifactURL() throws JspException JavaDoc {
79         StringBuffer JavaDoc urlBuffer = new StringBuffer JavaDoc();
80         urlBuffer.append(ARTIFACTS_SERVLET_CONTEXT);
81         String JavaDoc project = getProject();
82         if (project.length() > 0) {
83             info("project is " + project);
84             urlBuffer.append(project);
85         } else {
86             info("getProject().length() is " + project.length());
87         }
88
89         String JavaDoc timeString = getTimeString();
90         // JDK1.4
91 // assert timeString != null && timeString.length() > 0;
92 urlBuffer.append("/");
93         urlBuffer.append(timeString);
94         return urlBuffer.toString();
95     }
96
97     String JavaDoc getTimeString() throws JspException JavaDoc {
98         String JavaDoc timeString = null;
99         LogFile latestFile = findLogFile();
100
101         try {
102             timeString = latestFile.getBuildInfo().getDateStamp();
103         } catch (ParseException JavaDoc pex) {
104             throw new CCTagException(pex.getMessage(), pex);
105         }
106         return timeString;
107     }
108 }
109
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