content: /*
   *  This file is part of AndroidIDE.
   *
   *  AndroidIDE is free software: you can redistribute it and/or modify
   *  it under the terms of the GNU General Public License as published by
   *  the Free Software Foundation, either version 3 of the License, or
   *  (at your option) any later version.
   *
   *  AndroidIDE 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 General Public License for more details.
   *
   *  You should have received a copy of the GNU General Public License
   *   along with AndroidIDE.  If not, see <https://www.gnu.org/licenses/>.
   */
  
  /*
   * reserved comment block
   * DO NOT REMOVE OR ALTER!
   */
  // ExtendedXMLCatalogReader.java - Read XML Catalog files
  
  /*
   * Copyright 2001-2004 The Apache Software Foundation or its licensors,
   * as applicable.
   *
   * Licensed under the Apache License, Version 2.0 (the "License");
   * you may not use this file except in compliance with the License.
   * You may obtain a copy of the License at
   *
   *      http://www.apache.org/licenses/LICENSE-2.0
   *
   * Unless required by applicable law or agreed to in writing, software
   * distributed under the License is distributed on an "AS IS" BASIS,
   * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
   * See the License for the specific language governing permissions and
   * limitations under the License.
   */
  
  package jaxp.sun.org.apache.xml.internal.resolver.readers;
  
  import java.util.Vector;
  import jaxp.sun.org.apache.xml.internal.resolver.Catalog;
  import jaxp.sun.org.apache.xml.internal.resolver.Resolver;
  import jaxp.sun.org.apache.xml.internal.resolver.CatalogEntry;
  import jaxp.sun.org.apache.xml.internal.resolver.CatalogException;
  
  import org.xml.sax.*;
  
  /**
   * Parse Extended OASIS Entity Resolution Technical Committee
   * XML Catalog files.
   *
   * @see Catalog
   *
   * @author Norman Walsh
   * <a href="mailto:Norman.Walsh@Sun.COM">Norman.Walsh@Sun.COM</a>
   *
   */
  public class ExtendedXMLCatalogReader extends OASISXMLCatalogReader {
    /** The namespace name of extended catalog elements */
    public static final String extendedNamespaceName = "http://nwalsh.com/xcatalog/1.0";
  
    /**
     * The SAX <code>startElement</code> method recognizes elements
     * from the plain catalog format and instantiates CatalogEntry
     * objects for them.
     *
     * @param namespaceURI The namespace name of the element.
     * @param localName The local name of the element.
     * @param qName The QName of the element.
     * @param atts The list of attributes on the element.
     *
     * @see CatalogEntry
     */
    public void startElement (String namespaceURI,
                              String localName,
                              String qName,
                              Attributes atts)
      throws SAXException {
  
      // Check before calling the super because super will report our
      // namespace as an extension namespace, but that doesn't count
      // for this element.
      boolean inExtension = inExtensionNamespace();
  
      super.startElement(namespaceURI, localName, qName, atts);
  
      int entryType = -1;
      Vector entryArgs = new Vector();
  
      if (namespaceURI != null && extendedNamespaceName.equals(namespaceURI)
          && !inExtension) {
        // This is an Extended XML Catalog entry
  
        if (atts.getValue("xml:base") != null) {
          String baseURI = atts.getValue("xml:base");
          entryType = Catalog.BASE;
          entryArgs.add(baseURI);
          baseURIStack.push(baseURI);
  
          debug.message(4, "xml:base", baseURI);
  
          try {
            CatalogEntry ce = new CatalogEntry(entryType, entryArgs);
            catalog.addEntry(ce);
          } catch (CatalogException cex) {
            if (cex.getExceptionType() == CatalogException.INVALID_ENTRY_TYPE) {
              debug.message(1, "Invalid catalog entry type", localName);
            } else if (cex.getExceptionType() == CatalogException.INVALID_ENTRY) {
              debug.message(1, "Invalid catalog entry (base)", localName);
            }
          }
  
          entryType = -1;
          entryArgs = new Vector();
        } else {
          baseURIStack.push(baseURIStack.peek());
        }
  
        if (localName.equals("uriSuffix")) {
          if (checkAttributes(atts, "suffix", "uri")) {
            entryType = Resolver.URISUFFIX;
            entryArgs.add(atts.getValue("suffix"));
            entryArgs.add(atts.getValue("uri"));
  
            debug.message(4, "uriSuffix",
                          atts.getValue("suffix"),
                          atts.getValue("uri"));
          }
        } else if (localName.equals("systemSuffix")) {
          if (checkAttributes(atts, "suffix", "uri")) {
            entryType = Resolver.SYSTEMSUFFIX;
            entryArgs.add(atts.getValue("suffix"));
            entryArgs.add(atts.getValue("uri"));
  
            debug.message(4, "systemSuffix",
                          atts.getValue("suffix"),
                          atts.getValue("uri"));
          }
        } else {
          // This is equivalent to an invalid catalog entry type
          debug.message(1, "Invalid catalog entry type", localName);
        }
  
        if (entryType >= 0) {
          try {
            CatalogEntry ce = new CatalogEntry(entryType, entryArgs);
            catalog.addEntry(ce);
          } catch (CatalogException cex) {
            if (cex.getExceptionType() == CatalogException.INVALID_ENTRY_TYPE) {
              debug.message(1, "Invalid catalog entry type", localName);
            } else if (cex.getExceptionType() == CatalogException.INVALID_ENTRY) {
              debug.message(1, "Invalid catalog entry", localName);
            }
          }
        }
      }
    }
  
    /** The SAX <code>endElement</code> method does nothing. */
    public void endElement (String namespaceURI,
                            String localName,
                            String qName)
      throws SAXException {
  
      super.endElement(namespaceURI, localName, qName);
  
      // Check after popping the stack so we don't erroneously think we
      // are our own extension namespace...
      boolean inExtension = inExtensionNamespace();
  
      int entryType = -1;
      Vector entryArgs = new Vector();
  
      if (namespaceURI != null
          && (extendedNamespaceName.equals(namespaceURI))
          && !inExtension) {
  
        String popURI = (String) baseURIStack.pop();
        String baseURI = (String) baseURIStack.peek();
  
        if (!baseURI.equals(popURI)) {
          entryType = catalog.BASE;
          entryArgs.add(baseURI);
  
          debug.message(4, "(reset) xml:base", baseURI);
  
          try {
            CatalogEntry ce = new CatalogEntry(entryType, entryArgs);
            catalog.addEntry(ce);
          } catch (CatalogException cex) {
            if (cex.getExceptionType() == CatalogException.INVALID_ENTRY_TYPE) {
              debug.message(1, "Invalid catalog entry type", localName);
            } else if (cex.getExceptionType() == CatalogException.INVALID_ENTRY) {
              debug.message(1, "Invalid catalog entry (rbase)", localName);
            }
          }
        }
      }
    }
  }
  