package org.infinispan.tools.doclet.html;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.OutputStreamWriter;
import java.io.PrintWriter;
import java.util.List;
/**
* Generates HTML documents
*
* @author Manik Surtani
* @since 4.0
*/
public abstract class HtmlGenerator {
String encoding, title, bottom, footer, header, metaDescription;
List<String> metaKeywords;
public HtmlGenerator(String encoding, String title, String bottom, String footer, String header, String metaDescription, List<String> metaKeywords) {
this.encoding = encoding;
this.title = title;
this.footer = footer;
this.header = header;
this.bottom = bottom;
this.metaDescription = metaDescription;
this.metaKeywords = metaKeywords;
}
public void generateHtml(String fileName) throws IOException {
generateHtml(fileName, "stylesheet.css");
}
public void generateHtml(String fileName, String styleSheetName) throws IOException {
FileOutputStream fos = new FileOutputStream(fileName);
OutputStreamWriter osw = isValid(encoding) ? new OutputStreamWriter(fos, encoding) : new OutputStreamWriter(fos);
PrintWriter writer = new PrintWriter(osw);
try {
writer.println("<!DOCTYPE html PUBLIC \"-//W3C//DTD XHTML 1.0 Transitional//EN\"\n" +
"\t\"http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd\">");
writer.println("<HTML xmlns=\"http://www.w3.org/1999/xhtml\" xml:lang=\"en\" lang=\"en\">");
writer.println("<HEAD>");
if (isValid(metaDescription))
writer.println("<META NAME=\"description\" content=\"" + metaDescription + "\" />");
if (metaKeywords != null && !metaKeywords.isEmpty()) {
StringBuilder sb = new StringBuilder();
sb.append("<META NAME=\"keywords\" content=\"");
for (String keyword : metaKeywords) sb.append(keyword).append(", ");
sb.append("\" />");
}
writer.println("<TITLE>");
writer.println(title);
writer.println("</TITLE>");
writer.println("<LINK REL=\"stylesheet\" HREF=\"" + styleSheetName + "\" TYPE=\"text/css\"/>");
writer.println("</HEAD>");
writer.println("<BODY>");
if (isValid(header)) {
writer.println(header);
writer.println("<HR />");
}
writer.println(generateContents());
if (isValid(bottom)) {
writer.println("<HR />");
writer.println(bottom);
}
if (isValid(footer)) writer.println(footer);
writer.println("</BODY>");
writer.println("</HTML>");
} finally {
writer.close();
osw.close();
fos.close();
}
}
protected abstract String generateContents();
protected boolean isValid(String s) {
return s != null && s.trim().length() != 0;
}
}