patricknee
commented
7 years ago Putting try/catch inside DescriptionFigures.read() allows processing to proceed when Matcher.group seems to have an index error. This does not resolve the error; it results in a figure being skipped in the figures collection.
package gov.uspto.patent.doc.greenbook.items;
import java.util.ArrayList;
import java.util.List;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import org.dom4j.Node;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import gov.uspto.parser.dom4j.ItemReader;
import gov.uspto.patent.model.Figure;
public class DescriptionFigures extends ItemReader<List<Figure>>{
private static final Logger LOGGER = LoggerFactory.getLogger(DescriptionFigures.class);
private static final Pattern PATENT_FIG = Pattern.compile("^(FIG\\.? \\(?\\d{1,3}[A-Za-z]?\\)?)\\b");
private static final Pattern PATENT_FIGS = Pattern.compile("^(FIGS\\.? \\d{1,3}\\s?\\(?[A-Za-z]?\\)?(?:(?:\\s?\\-\\s?|, | and | to | through )\\d{0,3}\\(?[A-Za-z]?\\)?)+)\\b");
public DescriptionFigures(Node itemNode) {
super(itemNode);
}
@Override
public List<Figure> read() {
List<Figure> figures = new ArrayList<Figure>();
@SuppressWarnings("unchecked")
List<Node> paragraphNodes = itemNode.selectNodes("PAR");
for(Node paragraphN : paragraphNodes){
String ptext = paragraphN.getText();
Matcher matchFig = PATENT_FIG.matcher(ptext);
if (matchFig.lookingAt()){
try {
String id = matchFig.group(1);
String text = paragraphN.getText().substring(matchFig.end()+1);
Figure fig = new Figure(id, text);
figures.add(fig);
}
catch(Exception e) {
LOGGER.warn("Unable to Parse Patent Figure ID: '" + ptext, e);
}
} else {
Matcher matchFigs = PATENT_FIGS.matcher(ptext);
if (matchFigs.lookingAt()){
String id = matchFigs.group(1);
String text = paragraphN.getText().substring(matchFigs.end()+1);
Figure fig = new Figure(id, text);
figures.add(fig);
} else {
if (ptext.matches("^FIG")){
LOGGER.warn("Unable to Parse Patent Figure ID: '" + paragraphN.getText());
}
}
}
}
return figures;
}
}
bgfeldm
Splitting out earlier post with multiple error types:
Running Y2000 file pftaps20000104_wk01.zip, to limit. Error follows: