[opencms-dev] need a little Java help (out.println())

[Christoph P. Kukulies]

I'm using this piece of code that I grabbed from the net with minor
modifications to generate a google sitemap file.
I would like to modify this code to print out a recursive directory
directory listing of the site with all folders and files. (kind of
ls -lR).
So all I would need is to put an out.println() into the most inner
code section where the <loc>url</loc> is written (appended to the
string). Appending to the string a costly anyway when doing recursion
that's why this piece of code runs quite a while :).

Anyway, whan I put an out.println() into the private function
recurseTree(), out is an unknown variable. 

So I'm 
a) wondering what magic makes it known in the outer scope when I use it
   there
b) asking for help, what I have to do to make it known. I tried
   System.out.println() but I see no output in the browser window.
   (it goes into the logs/stdout_20080918.log file)

Here is the code again:

<%@ page session="false" %>
<%@ page
import="java.util.*,org.opencms.jsp.*,org.opencms.file.*,java.text.DateFormat,
java.text.SimpleDateFormat,org.opencms.main.*" %>
<%@ page import="org.opencms.lock.CmsLockType" %>
<%@ taglib prefix="cms" uri="http://www.opencms.org/taglib/cms" %>
<%@ taglib prefix="c" uri="http://java.sun.com/jstl/core" %>
<?xml version="1.0" encoding="UTF-8" ?>
<urlset xmlns="http://www.google.com/schemas/sitemap/0.84">
<%!
protected String BASE_URL="";
public static SimpleDateFormat ISO8601FORMAT = new
SimpleDateFormat("yyyy-MM-dd");
private String recurseTree(CmsObject cmso,CmsJspActionElement jsp,
String path)  {
	StringBuffer sb = new StringBuffer();
        
	try {
		ArrayList files = (ArrayList)
cmso.getFilesInFolder(path);
		Iterator i = files.iterator();
		while (i.hasNext()) {
			CmsFile f = (CmsFile) i.next();	
			String thispath = jsp.link(cmso.getSitePath(f));
			CmsProperty secret =
cmso.readPropertyObject(f,"sitemap_hidden",true);
			CmsProperty changeFreqProperty =
cmso.readPropertyObject(f,"sitemap_change_frequency",true);
			CmsProperty priorityProperty =
cmso.readPropertyObject(f,"sitemap_priority",true);
			String changeFrequency =
changeFreqProperty.getValue("weekly");
			String priority =
priorityProperty.getValue("1");
			if ((secret.getValue("false") == "false") 
				&&
(thispath.endsWith("html")||thispath.endsWith("jsp")||thispath.endsWith("pdf")||thispath.endsWith("htm")))
{		
				sb.append("<url>\n");			
				sb.append("<loc>"+BASE_URL+thispath+"</loc>\n");
				//DateFormat df =
				//DateFormat.getDateInstance();
				String niceDate =
ISO8601FORMAT.format(new Date(f.getDateLastModified()));
				sb.append("<lastmod>"+niceDate+"</lastmod>\n");
				sb.append("<changefreq>"+changeFrequency+"</changefreq>\n");
				sb.append("<priority>"+priority+"</priority>\n");
				sb.append("</url>\n");
			}
		}
		ArrayList folders = (ArrayList)
cmso.getSubFolders(path);
		Iterator j = folders.iterator();	
		while (j.hasNext()) {
			CmsFolder f = (CmsFolder) j.next();
			sb.append( recurseTree(cmso,jsp,
cmso.getSitePath(f) ) );
		}
	}
	catch (CmsException cmsException) {
		sb.append("A CMS exception occurred:
"+cmsException.toString());
	
	}
	return sb.toString();

}
%>
<%

 CmsJspActionElement cms = new
org.opencms.jsp.CmsJspActionElement(pageContext, request, response);
 CmsObject cmso = cms.getCmsObject();
 String filename="sitemap.xml";
 String s_filecontent;
 cmso.getRequestContext().setCurrentProject(cmso.readProject("Offline"));
if (cmso.existsResource(filename)) {
       cmso.lockResource(filename,CmsLock.TEMPORARY);
        cmso.deleteResource(filename,
CmsResource.DELETE_PRESERVE_SIBLINGS);
        if (cmso.existsResource(filename)) {
                cmso.unlockResource(filename);
                cmso.publishResource(filename);
        }
}


String url = cms.info("opencms.url");
int lastSlash = url.indexOf("/",8);
BASE_URL = url.substring(0,lastSlash);
s_filecontent=recurseTree(cmso,cms, "/");
s_filecontent=s_filecontent+"</urlset>\n";
cmso.createResource(
        filename,
        OpenCms.getResourceManager().getResourceType("plain").getTypeId(),
        s_filecontent.getBytes(),
        new ArrayList()
);
cmso.unlockResource(filename);
cmso.publishResource(filename);
%> 

Thanks for helping,


--
Chris Christoph P. U. Kukulies kukulies (at) rwth-aachen.de