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* CruiseControl, a Continuous Integration Toolkit
* Copyright (c) 2001, ThoughtWorks, Inc.
* 651 W Washington Ave. Suite 600
* Chicago, IL 60661 USA
* All rights reserved.
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* Redistribution and use in source and binary forms, with or without
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* with the distribution.
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* names of its contributors may be used to endorse or promote
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* written permission.
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package net.sourceforge.cruisecontrol.taglib;
import java.io.File;
import java.io.IOException;
import javax.servlet.jsp.JspException;
import javax.servlet.jsp.JspTagException;
import javax.servlet.jsp.tagext.BodyContent;
import net.sourceforge.cruisecontrol.util.CCTagException;
/**
* @author jfredrick
*/
public class ArtifactsLinkTag extends CruiseControlBodyTagSupport {
static final String URL_ATTRIBUTE = "artifacts_url";
static final String LOG_PARAMETER = "log";
static final String ARTIFACTS_SERVLET_CONTEXT = "artifacts";
private static final String NO_LOG_PARAM = "";
public void doInitBody() throws JspException {
String url = getArtifactURL();
info("artifactURL is " + url);
getPageContext().setAttribute(URL_ATTRIBUTE, url);
}
public int doAfterBody() throws JspTagException {
try {
BodyContent out = getBodyContent();
out.writeOut(out.getEnclosingWriter());
} catch (IOException e) {
err(e);
throw new CCTagException("IO Error: " + e.getMessage(), e);
}
return SKIP_BODY;
}
private String getArtifactURL() throws JspException {
StringBuffer urlBuffer = new StringBuffer();
urlBuffer.append(ARTIFACTS_SERVLET_CONTEXT);
String project = getProject();
if (project.length() > 0) {
info("project is " + project);
urlBuffer.append(project);
} else {
info("getProject().length() is " + project.length());
}
String timeString = getTimeString();
if (timeString != null && timeString.length() > 0) {
urlBuffer.append("/" + timeString);
}
return urlBuffer.toString();
}
String getTimeString() throws JspException {
String timeString = getTimeFromLogParam();
if (timeString == NO_LOG_PARAM) {
info("no log param, trying log file name");
timeString = getTimeFromLatestLogFile();
}
info("timeString is " + timeString);
return timeString;
}
String getTimeFromLogParam() {
String timeString;
final String logPrefix = "log";
final char labelSeparator = 'L';
String logParameter = getPageContext().getRequest().getParameter("log");
if (logParameter == null) {
return NO_LOG_PARAM;
}
int labelIndex = logParameter.indexOf(labelSeparator);
if (labelIndex != -1) {
timeString = logParameter.substring(logPrefix.length(), labelIndex);
} else {
timeString = logParameter.substring(logPrefix.length());
}
return timeString;
}
String getTimeFromLatestLogFile() throws JspException {
final String logPrefix = "log";
final char labelSeparator = 'L';
File logDir = findLogDir();
File latestFile = getLatestLogFile(logDir);
String logName = latestFile.getName();
int startIndex = logPrefix.length();
int endIndex = logName.indexOf('.');
int labelSeparatorIndex = logName.indexOf(labelSeparator);
if (labelSeparatorIndex > startIndex && labelSeparatorIndex < endIndex) {
endIndex = labelSeparatorIndex;
}
String timeString = logName.substring(startIndex, endIndex);
return timeString;
}
}