domlsparser.java

gcc的组建

                              true);
          }
        catch (SAXNotRecognizedException e)
          {
            // ignore
          }
        reader.setEntityResolver(entityResolver);
        reader.setErrorHandler(errorHandler);
        // parse
        reader.parse(source);
      }
    catch (DOMException e)
      {
        reader = null;
        eventSink = null;
        throw e;
      }
    catch (SAXException e)
      {
        reader = null;
        eventSink = null;
        throw new DomLSException(LSException.PARSE_ERR, e);
      }
    catch (IOException e)
      {
        reader = null;
        eventSink = null;
        throw new DomLSException(LSException.PARSE_ERR, e);
      }
    // return document
    Document ret = eventSink.doc;
    String systemId = input.getSystemId();
    if (systemId != null && ret instanceof DomDocument)
      {
        ((DomDocument) ret).setDocumentURI(systemId);
      }
    eventSink = null;
    return ret;
  }

  private XMLReader getXMLReader()
    throws LSException
  {
    if (reader == null)
      {
        factory.setNamespaceAware(namespaceAware);
        factory.setValidating(validating);
        factory.setXIncludeAware(xIncludeAware);
        try
          {
            SAXParser parser = factory.newSAXParser();
            reader = parser.getXMLReader();
          }
        catch (ParserConfigurationException e)
          {
            throw new DomLSException(LSException.PARSE_ERR, e);
          }
        catch (SAXException e)
          {
            throw new DomLSException(LSException.PARSE_ERR, e);
          }
      }
    return reader;
  }

  private InputSource getInputSource(LSInput input)
    throws LSException
  {
    InputSource source = null;
    String systemId = input.getSystemId();
    InputStream in = input.getByteStream();
    if (in != null)
      {
        source = new InputSource(in);
        source.setSystemId(systemId);
      }
    if (source == null && entityResolver != null)
      {
        String publicId = input.getPublicId();
        try
          {
            source = entityResolver.resolveEntity(publicId, systemId);
          }
        catch (SAXException e)
          {
            throw new DomLSException(LSException.PARSE_ERR, e);
          } 
        catch (IOException e)
          {
            throw new DomLSException(LSException.PARSE_ERR, e);
          } 
      }
    if (source == null)
      {
        URL url = null;
        String base = input.getBaseURI();
        try
          {
            try
              {
                URL baseURL = (base == null) ? null : new URL(base);
                url = (baseURL == null) ? new URL(systemId) :
                  new URL(baseURL, systemId);
              }
            catch (MalformedURLException e)
              {
                File baseFile = (base == null) ? null : new File(base);
                url = (baseFile == null) ? new File(systemId).toURL() :
                  new File(baseFile, systemId).toURL();
              }
            in = url.openStream();
            systemId = url.toString();
            source = new InputSource(in);
            source.setSystemId(systemId);
          }
        catch (IOException e)
          {
            throw new DomLSException(LSException.PARSE_ERR, e);
          }
      }
    return source;
  }

  // -- DOMConfiguration --

  public void setParameter(String name, Object value)
    throws DOMException
  {
    name = name.toLowerCase();
    if ("cdata-sections".equals(name))
      {
        coalescing = !((Boolean) value).booleanValue();
      }
    else if ("comments".equals(name))
      {
        ignoreComments = !((Boolean) value).booleanValue();
      }
    else if ("element-content-whitespace".equals(name))
      {
        ignoreWhitespace = !((Boolean) value).booleanValue();
      }
    else if ("namespaces".equals(name))
      {
        namespaceAware = ((Boolean) value).booleanValue();
      }
    else if ("expand-entity-references".equals(name))
      {
        expandEntityReferences = ((Boolean) value).booleanValue();
      }
    else if ("coalescing".equals(name))
      {
        coalescing = ((Boolean) value).booleanValue();
      }
    else if ("validating".equals(name))
      {
        validating = ((Boolean) value).booleanValue();
      }
    else if ("xinclude-aware".equals(name))
      {
        xIncludeAware = ((Boolean) value).booleanValue();
      }
    else if ("entity-resolver".equals(name))
      {
        entityResolver = (EntityResolver) value;
      }
    else if ("error-handler".equals(name))
      {
        errorHandler = (ErrorHandler) value;
      }
    else
      {
        throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR);
      }
    // invalidate reader, a new one will be created
    reader = null;
  }

  public Object getParameter(String name)
    throws DOMException
  {
    name = name.toLowerCase();
    if ("cdata-sections".equals(name))
      {
        return coalescing ? Boolean.FALSE : Boolean.TRUE;
      }
    else if ("comments".equals(name))
      {
        return ignoreComments ? Boolean.FALSE : Boolean.TRUE;
      }
    else if ("element-content-whitespace".equals(name))
      {
        return ignoreWhitespace ? Boolean.FALSE : Boolean.TRUE;
      }
    else if ("namespaces".equals(name))
      {
        return namespaceAware ? Boolean.TRUE : Boolean.FALSE;
      }
    else if ("expand-entity-references".equals(name))
      {
        return expandEntityReferences ? Boolean.TRUE : Boolean.FALSE;
      }
    else if ("coalescing".equals(name))
      {
        return coalescing ? Boolean.TRUE : Boolean.FALSE;
      }
    else if ("validating".equals(name))
      {
        return validating ? Boolean.TRUE : Boolean.FALSE;
      }
    else if ("xinclude-aware".equals(name))
      {
        return xIncludeAware ? Boolean.TRUE : Boolean.FALSE;
      }
    else if ("entity-resolver".equals(name))
      {
        return entityResolver;
      }
    else if ("error-handler".equals(name))
      {
        return errorHandler;
      }
    else
      {
        throw new DomDOMException(DOMException.NOT_SUPPORTED_ERR);
      }
  }

  public boolean canSetParameter(String name, Object value)
  {
    return contains(name);
  }

  public DOMStringList getParameterNames()
  {
    return this;
  }

  // -- DOMStringList --

  public String item(int i)
  {
    return (String) SUPPORTED_PARAMETERS.get(i);
  }

  public int getLength()
  {
    return SUPPORTED_PARAMETERS.size();
  }

  public boolean contains(String str)
  {
    return SUPPORTED_PARAMETERS.contains(str);
  }

  // -- ErrorHandler --

  public void warning(SAXParseException e)
    throws SAXException
  {
    if (errorHandler != null)
      {
        errorHandler.warning(e);
      }
  }

  public void error(SAXParseException e)
    throws SAXException
  {
    if (errorHandler != null)
      {
        errorHandler.error(e);
      }
  }

  public void fatalError(SAXParseException e)
    throws SAXException
  {
    if (errorHandler != null)
      {
        errorHandler.fatalError(e);
      }
    abort();
  }
  
}