src/main/java/org/jboss/util/xml/catalog/Resolver.java
protected Resolver queryResolver(String resolver,
				     String command,
				     String arg1,
				     String arg2) {
	String RFC2483 = resolver + "?command=" + command 
	    + "&format=tr9401&uri=" + arg1 
	    + "&uri2=" + arg2;

	try {
	    URL url = new URL(RFC2483);

	    URLConnection urlCon = url.openConnection();

	    urlCon.setUseCaches(false);

	    Resolver r = (Resolver) newCatalog();

	    String cType = urlCon.getContentType();

	    // I don't care about the character set or subtype
	    if (cType.indexOf(";") > 0) {
		cType = cType.substring(0, cType.indexOf(";"));
	    }

	    r.parseCatalog(cType, urlCon.getInputStream());

	    return r;
	} catch (CatalogException cex) {
	  if (cex.getExceptionType() == CatalogException.UNPARSEABLE) {
	    catalogManager.debug.message(1, "Unparseable catalog: " + RFC2483);
	  } else if (cex.getExceptionType()
		     == CatalogException.UNKNOWN_FORMAT) {
	    catalogManager.debug.message(1, "Unknown catalog format: " + RFC2483);
	  }
	  return null;
	} catch (MalformedURLException mue) {
	    catalogManager.debug.message(1, "Malformed resolver URL: " + RFC2483);
	    return null;
	} catch (IOException ie) {
	    catalogManager.debug.message(1, "I/O Exception opening resolver: " + RFC2483);
	    return null;
	}
    }
protected Resolver queryResolver(String resolver,
				     String command,
				     String arg1,
				     String arg2) {
	String RFC2483 = resolver + "?command=" + command 
	    + "&format=tr9401&uri=" + arg1 
	    + "&uri2=" + arg2;

	try {
	    URL url = new URL(RFC2483);

	    URLConnection urlCon = url.openConnection();

	    urlCon.setUseCaches(false);

	    Resolver r = (Resolver) newCatalog();

	    String cType = urlCon.getContentType();

	    // I don't care about the character set or subtype
	    if (cType.indexOf(";") > 0) {
		cType = cType.substring(0, cType.indexOf(";"));
	    }

	    r.parseCatalog(cType, urlCon.getInputStream());

	    return r;
	} catch (CatalogException cex) {
	  if (cex.getExceptionType() == CatalogException.UNPARSEABLE) {
	    catalogManager.debug.message(1, "Unparseable catalog: " + RFC2483);
	  } else if (cex.getExceptionType()
		     == CatalogException.UNKNOWN_FORMAT) {
	    catalogManager.debug.message(1, "Unknown catalog format: " + RFC2483);
	  }
	  return null;
	} catch (MalformedURLException mue) {
	    catalogManager.debug.message(1, "Malformed resolver URL: " + RFC2483);
	    return null;
	} catch (IOException ie) {
	    catalogManager.debug.message(1, "I/O Exception opening resolver: " + RFC2483);
	    return null;
	}
    }
protected Resolver queryResolver ( String resolver , String command , String arg1 , String arg2 ) { String RFC2483 = resolver + "?command=" + command + "&format=tr9401&uri=" + arg1 + "&uri2=" + arg2 ; try { URL url = new URL ( RFC2483 ) ; URLConnection urlCon = url . openConnection ( ) ; urlCon . setUseCaches ( false ) ; Resolver r = ( Resolver ) newCatalog ( ) ; String cType = urlCon . getContentType ( ) ; // I don't care about the character set or subtype if ( cType . indexOf ( ";" ) > 0 ) { cType = cType . substring ( 0 , cType . indexOf ( ";" ) ) ; } r . parseCatalog ( cType , urlCon . getInputStream ( ) ) ; return r ; } catch ( CatalogException cex ) { if ( cex . getExceptionType ( ) == CatalogException . UNPARSEABLE ) { catalogManager . debug . message ( 1 , "Unparseable catalog: " + RFC2483 ) ; } else if ( cex . getExceptionType ( ) == CatalogException . UNKNOWN_FORMAT ) { catalogManager . debug . message ( 1 , "Unknown catalog format: " + RFC2483 ) ; } return null ; } catch ( MalformedURLException mue ) { catalogManager . debug . message ( 1 , "Malformed resolver URL: " + RFC2483 ) ; return null ; } catch ( IOException ie ) { catalogManager . debug . message ( 1 , "I/O Exception opening resolver: " + RFC2483 ) ; return null ; } }
Query an external RFC2483 resolver.

@param resolver The URL of the RFC2483 resolver.
@param command The command to send the resolver.
@param arg1 The first argument to the resolver.
@param arg2 The second argument to the resolver, usually null.

@return The Resolver constructed.
Query an external RFC2483 resolver .