import java.io.*;
import java.util.*;
import com.darwinsys.util.FileProperties;
/** ImageIndex -- make an index.html for an image directory
* based on some images and a "captions.txt" file.
* <pre>
* For each image x, assume there is the following:
* a file x+THUMB_SUFFIX which is the thumbnail
* a file x+IMAGE_SUFFIX which is the large image
* an entry in the "captions.txt" file, of the form
* x Group shot in front of statue
* <pre>
* @author Ian F. Darwin, http://www.darwinsys.com/
* @Version $Id: ImageIndex.java,v 1.5 2004/02/09 03:33:55 ian Exp $
*/
public class ImageIndex {
protected String image_suffix;
protected String thumb_suffix;
/** The captions file (created by hand) */
public static final String CAPTIONS_FILE = "captions.txt";
/** A reader for the captions file */
protected BufferedReader cap;
/** The map from filename to caption */
protected HashMap map = new HashMap();
/** Vector for listing names for sorting */
Vector names = new Vector();
/** The output file that we create */
public static final String OUTPUTFILE = "index.html";
/** The main output stream */
PrintWriter out;
/** Properties */
Properties pprops;
/** Properties file */
String PROPS_FILE = "ImageIndex.properties";
/** The background color for the page */
public String bgcolor;
/** The title of this show */
String title;
/** Make an index */
public static void main(String[] av) {
ImageIndex mi = new ImageIndex();
try {
mi.open(CAPTIONS_FILE, OUTPUTFILE); // open files
mi.read(); // read caption file
mi.BEGIN(); // print HTML header
mi.process(); // do bulk of work
mi.END(); // print trailer.
mi.close(); // close files
} catch (IOException e) {
System.err.println(e);
}
}
/** Open the files */
void open(String captions, String outFile) throws IOException {
cap = new BufferedReader(new FileReader(captions));
out = new PrintWriter(new FileWriter(outFile));
pprops = new FileProperties(PROPS_FILE);
title = pprops.getProperty("title");
thumb_suffix = pprops.getProperty("thumb_suffix");
image_suffix = pprops.getProperty("image_suffix");
}
/** read the captions file */
void read() throws IOException {
String line;
while ((line = cap.readLine()) != null) {
StringTokenizer st = new StringTokenizer(line, "\t");
String name = st.nextToken();
String desc = st.nextToken();
names.addElement(name);
map.put(name, desc);
}
cap.close();
}
/** Write the HTML headers */
void BEGIN() {
println("<HTML>");
println("<HEAD>");
println(" <META HTTP-EQUIV=\"Content-Type\" CONTENT=\"text/html; charset=iso-8859-1\">");
println(" <META NAME=\"GENERATOR\" CONTENT=\"Java ImageIndex\">");
println(" <TITLE>" + title + "</TITLE>");
println("</HEAD>");
println("<BODY BGCOLOR=\"" + pprops.get("bgcolor") + "\">");
println("<H1>" + title + "</H1>");
println("<P>All files are Copyright ©: All rights reserved.");
println("</P>");
println("<HR>");
}
/** Do the bulk of the work */
void process() {
System.out.println("Generating HTML...");
println("<table>");
String fn;
for (int i=0; i<names.size(); i++) {
fn = (String)names.elementAt(i);
mkLink(fn, (String)map.get(fn));
}
println("</table>");
System.out.println("*** process - done ***");
}
void mkLink(String href, String descrip) {
// System.out.println(href + "==>" + descrip);
String thumbnail = href + thumb_suffix;
String image = href + image_suffix;
print("<tr><td>");
print("<a href=\"" + image + "\">");
print("<img src=\"" + thumbnail + "\"></a>");
print("</td><td>");
print("<a href=\"" + image + "\">");
print(descrip + "</a>");
print("</td></tr>");
println();
}
/** Write the trailers and a signature */
void END() {
System.out.println("Finishing the HTML");
println("</UL>");
println("<P>This file generated by the Java program ");
print("<A HREF=\"ImageIndex.java\">ImageIndex</A> at ");
println(new Date().toString());
println("</P>");
println("</BODY>");
println("</HTML>");
}
/** Close open files */
void close() {
System.out.println("Closing output files...");
if (out != null)
out.close();
}
/** Convenience routine for out.print */
void print(String s) {
out.print(s);
}
/** Convenience routine for out.println */
void println(String s) {
out.println(s);
}
void println() {
out.println();
}
}
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