import com.sun.org.apache.xml.internal.resolver.readers.CatalogReader; //导入依赖的package包/类
/**
 * Copies the reader list from the current Catalog to a new Catalog.
 *
 * <p>This method is used internally when constructing a new catalog.
 * It copies the current reader associations over to the new catalog.
 * </p>
 *
 * @param newCatalog The new Catalog.
 */
protected void copyReaders(Catalog newCatalog) {
  // Have to copy the readers in the right order...convert hash to arr
  Vector mapArr = new Vector(readerMap.size());

  // Pad the mapArr out to the right length
  for (int count = 0; count < readerMap.size(); count++) {
    mapArr.add(null);
  }

  for (Map.Entry<String, Integer> entry : readerMap.entrySet()) {
      mapArr.set(entry.getValue().intValue(), entry.getKey());
  }

  for (int count = 0; count < mapArr.size(); count++) {
    String mimeType = (String) mapArr.get(count);
    Integer pos = readerMap.get(mimeType);
    newCatalog.addReader(mimeType,
                         (CatalogReader)
                         readerArr.get(pos.intValue()));
  }
}
 

import com.sun.org.apache.xml.internal.resolver.readers.CatalogReader; //导入依赖的package包/类
/**
 * Copies the reader list from the current Catalog to a new Catalog.
 *
 * <p>This method is used internally when constructing a new catalog.
 * It copies the current reader associations over to the new catalog.
 * </p>
 *
 * @param newCatalog The new Catalog.
 */
protected void copyReaders(Catalog newCatalog) {
  // Have to copy the readers in the right order...convert hash to arr
  Vector mapArr = new Vector(readerMap.size());

  // Pad the mapArr out to the right length
  for (int count = 0; count < readerMap.size(); count++) {
    mapArr.add(null);
  }

  for (Map.Entry<String, Integer> entry : readerMap.entrySet()) {
      mapArr.set(entry.getValue(), entry.getKey());
  }

  for (int count = 0; count < mapArr.size(); count++) {
    String mimeType = (String) mapArr.get(count);
    Integer pos = readerMap.get(mimeType);
    newCatalog.addReader(mimeType,
                         (CatalogReader)
                         readerArr.get(pos));
  }
}
 

import com.sun.org.apache.xml.internal.resolver.readers.CatalogReader; //导入依赖的package包/类
/**
 * Parse a catalog document, augmenting internal data structures.
 *
 * <p>This method supports catalog files stored in jar files: e.g.,
 * jar:file:///path/to/filename.jar!/path/to/catalog.xml". That URI
 * doesn't survive transmogrification through the URI processing that
 * the parseCatalog(String) performs and passing it as an input stream
 * doesn't set the base URI appropriately.</p>
 *
 * <p>Written by Stefan Wachter (2002-09-26)</p>
 *
 * @param aUrl The URL of the catalog document to process
 *
 * @throws IOException Error reading catalog file.
 */
public synchronized void parseCatalog(URL aUrl) throws IOException {
  catalogCwd = aUrl;
  base = aUrl;

  default_override = catalogManager.getPreferPublic();
  catalogManager.debug.message(4, "Parse catalog: " + aUrl.toString());

  DataInputStream inStream = null;
  boolean parsed = false;

  for (int count = 0; !parsed && count < readerArr.size(); count++) {
    CatalogReader reader = (CatalogReader) readerArr.get(count);

    try {
      inStream = new DataInputStream(aUrl.openStream());
    } catch (FileNotFoundException fnfe) {
      // No catalog; give up!
      break;
    }

    try {
      reader.readCatalog(this, inStream);
      parsed=true;
    } catch (CatalogException ce) {
      if (ce.getExceptionType() == CatalogException.PARSE_FAILED) {
        // give up!
        break;
      } else {
        // try again!
      }
    }

    try {
      inStream.close();
    } catch (IOException e) {
      //nop
    }
  }

  if (parsed) parsePendingCatalogs();
}