/* Copyright 2002, 2003 Elliotte Rusty Harold
This library is free software; you can redistribute it and/or modify
it under the terms of version 2.1 of the GNU Lesser General Public
License as published by the Free Software Foundation.
This library is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU Lesser General Public License for more details.
You should have received a copy of the GNU Lesser General Public
License along with this library; if not, write to the
Free Software Foundation, Inc., 59 Temple Place, Suite 330,
Boston, MA 02111-1307 USA
You can contact Elliotte Rusty Harold by sending e-mail to
[email protected]. Please include the word "XOM" in the
subject line. The XOM home page is located at http://www.xom.nu/
*/
package nu.xom.samples;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import nu.xom.Attribute;
import nu.xom.Document;
import nu.xom.Element;
import nu.xom.Serializer;
/**
*
* <p>
* Demonstrates building a structured XML document,
* from flat, tabular data. A different version of this
* example was originally developed for Chapter 4 of
* <cite><a target="_top"
* href="http://www.cafeconleche.org/books/xmljava/">Processing
* XML with Java</a></cite>.
* </p>
*
* @author Elliotte Rusty Harold
* @version 1.0
*
*/
public class AttributesXMLBudget {
public static void convert(List data, OutputStream out)
throws IOException {
Element budget = new Element("Budget");
Document doc = new Document(budget);
Iterator records = data.iterator();
while (records.hasNext()) {
Element lineItem = new Element("LineItem");
Map record = (Map) records.next();
// write the attributes
setYear(lineItem, "AgencyCode", record);
setYear(lineItem, "AgencyName", record);
setYear(lineItem, "BureauCode", record);
setYear(lineItem, "BureauName", record);
setYear(lineItem, "AccountCode", record);
setYear(lineItem, "AccountName", record);
setYear(lineItem, "TreasuryAgencyCode", record);
setYear(lineItem, "SubfunctionCode", record);
setYear(lineItem, "SubfunctionTitle", record);
setYear(lineItem, "BEACategory", record);
setYear(lineItem, "BudgetIndicator", record);
setAmount(lineItem, "1976", record);
Element amount = new Element("Amount");
amount.addAttribute(new Attribute("year", "TransitionalQuarter"));
amount.appendChild((String) record.get("TransitionalQuarter"));
for (int year=1977; year <= 2006; year++) {
setAmount(lineItem, String.valueOf(year), record);
}
}
Serializer serializer = new Serializer(out, "UTF-8");
serializer.write(doc);
serializer.flush();
}
// Just a couple of private methods to factor out repeated code
private static void setYear(Element element, String name,
Map record) {
element.addAttribute(new Attribute(name, (String) record.get(name)));
}
private static void setAmount(Element element, String year,
Map record) {
Element amount = new Element("Amount");
amount.addAttribute(new Attribute("year", String.valueOf(year)));
amount.appendChild((String) record.get("Y" + year));
element.appendChild(amount);
}
public static void main(String[] args) {
try {
if (args.length < 1) {
System.out.println(
"Usage: nu.xom.samples.AttributesXMLBudget infile outfile"
);
return;
}
InputStream in = new FileInputStream(args[0]);
OutputStream out;
if (args.length < 2) {
out = System.out;
}
else {
out = new FileOutputStream(args[1]);
}
List results = BudgetData.parse(in);
convert(results, out);
}
catch (IOException ex) {
System.err.println(ex);
}
}
}
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