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package bjc.utils.ioutils.format;
import java.io.IOException;
import java.io.InputStream;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
import bjc.utils.ioutils.SimpleProperties;
/**
* Utility class for reading in the pattern for parsing format directives.
*
* @author bjculkin
*
*/
public class CLPattern {
private static String prefixParam;
private static String formatMod;
private static String directiveName;
private static String prefixList;
private static String formatDirective;
private static Pattern pFormatDirective;
static {
SimpleProperties props = new SimpleProperties();
try (InputStream is = CLFormatter.class.getResourceAsStream("/clformat.sprop")) {
props.loadFrom(is, false);
} catch (IOException ioex) {
// WELP, we failed. Bail
throw new RuntimeException("Couldn't load formats for formatter");
}
String seqPrefixParam = props.get("clFormatPrefixParam");
prefixParam = String.format(props.get("clFormatPrefix"), seqPrefixParam);
formatMod = props.get("clFormatModifier");
directiveName = props.get("clFormatName");
prefixList = String.format(props.get("delimSeparatedList"), prefixParam, ",");
formatDirective = String.format(props.get("clFormatDirective"), prefixList,
formatMod, directiveName);
pFormatDirective = Pattern.compile(formatDirective);
}
/**
* Get a matcher for FORMAT directives.
*
* @param inp
* The string to parse directives from.
* @return A matcher for format directives in the string.
*/
public static Matcher getDirectiveMatcher(String inp) {
return pFormatDirective.matcher(inp);
}
}
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