Package org.apache.hadoop.gateway.filter.rewrite.api

Examples of org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteFilterPathDescriptor

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  private class FilterApplyFactory extends FactoryRule {
    @Override
    public Object create( String namespace, String name, Attributes attributes ) {
      UrlRewriteFilterGroupDescriptor parent = getDigester().peek();
      UrlRewriteFilterPathDescriptor child = new UrlRewriteFilterApplyDescriptorImpl();
      child.path( attributes.getValue( "path" ) );
      parent.addSelector( child );
      return child;
    }
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  private class FilterScopeFactory extends FactoryRule {
    @Override
    public Object create( String namespace, String name, Attributes attributes ) {
      UrlRewriteFilterGroupDescriptor parent = getDigester().peek();
      UrlRewriteFilterPathDescriptor child = new UrlRewriteFilterScopeDescriptorImpl();
      child.path( attributes.getValue( "path" ) );
      parent.addSelector( child );
      return child;
    }
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  private class FilterBufferFactory extends FactoryRule {
    @Override
    public Object create( String namespace, String name, Attributes attributes ) {
      UrlRewriteFilterGroupDescriptor parent = getDigester().peek();
      UrlRewriteFilterPathDescriptor child = new UrlRewriteFilterBufferDescriptorImpl();
      child.path( attributes.getValue( "path" ) );
      parent.addSelector( child );
      return child;
    }
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  private class FilterDetectFactory extends FactoryRule {
    @Override
    public Object create( String namespace, String name, Attributes attributes ) {
      UrlRewriteFilterGroupDescriptor parent = getDigester().peek();
      UrlRewriteFilterPathDescriptor child = new UrlRewriteFilterDetectDescriptorImpl();
      child.path( attributes.getValue( "path" ) );
      parent.addSelector( child );
      return child;
    }
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      pushLevel( parent, event, element, parent.scopeNode, parent.scopeConfig );
      bufferAttributes( event, element );
    // Else not currently buffering
    } else {
      // See if there is a matching path descriptor in the current scope.
      UrlRewriteFilterPathDescriptor descriptor = pickFirstMatchingPath( parent );
      if( descriptor != null ) {
        // If this is a buffer descriptor then switch to buffering and buffer the attributes.
        if( descriptor instanceof UrlRewriteFilterBufferDescriptor ) {
          pushLevel( parent, event, element, element, (UrlRewriteFilterBufferDescriptor)descriptor );
          bufferAttributes( event, element );
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    Level level = stack.peek();
    if( ( level.scopeConfig ) == null || ( level.scopeConfig.getSelectors().isEmpty() ) ) {
      value = filterAttribute( null, attribute.getName(), value, null );
      node.setValue( value );
    } else {
      UrlRewriteFilterPathDescriptor path = pickFirstMatchingPath( level );
      if( path instanceof UrlRewriteFilterApplyDescriptor ) {
        String rule = ((UrlRewriteFilterApplyDescriptor)path).rule();
        value = filterAttribute( null, attribute.getName(), value, rule );
        node.setValue( value );
      }
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      String value = event.getData();
      if( !event.isWhiteSpace() ) {
        if( level.scopeConfig == null || level.scopeConfig.getSelectors().isEmpty() ) {
          value = filterText( extractQName( node ), value, null );
        } else {
          UrlRewriteFilterPathDescriptor path = pickFirstMatchingPath( level );
          if( path instanceof UrlRewriteFilterApplyDescriptor ) {
            String rule = ((UrlRewriteFilterApplyDescriptor)path).rule();
            value = filterText( extractQName( node ), value, rule );
          }
        }
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    writer.close();
    stack.clear();
  }

  protected UrlRewriteFilterPathDescriptor pickFirstMatchingPath( Level level ) {
    UrlRewriteFilterPathDescriptor match = null;
    if( level.scopeConfig != null ) {
      for( UrlRewriteFilterPathDescriptor selector : level.scopeConfig.getSelectors() ) {
        try {
          XPathExpression path = (XPathExpression)selector.compiledPath( XPATH_COMPILER );
          Object node = path.evaluate( level.scopeNode, XPathConstants.NODE );
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      pushLevel( parent, event, element, parent.scopeNode, parent.scopeConfig );
      bufferAttributes( event, element );
    // Else not currently buffering
    } else {
      // See if there is a matching path descriptor in the current scope.
      UrlRewriteFilterPathDescriptor descriptor = pickFirstMatchingPath( parent );
      if( descriptor != null ) {
        // If this is a buffer descriptor then switch to buffering and buffer the attributes.
        if( descriptor instanceof UrlRewriteFilterBufferDescriptor ) {
          pushLevel( parent, event, element, element, (UrlRewriteFilterBufferDescriptor)descriptor );
          bufferAttributes( event, element );
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    Level level = stack.peek();
    if( ( level.scopeConfig ) == null || ( level.scopeConfig.getSelectors().isEmpty() ) ) {
      value = filterAttribute( null, attribute.getName(), value, null );
      node.setValue( value );
    } else {
      UrlRewriteFilterPathDescriptor path = pickFirstMatchingPath( level );
      if( path instanceof UrlRewriteFilterApplyDescriptor ) {
        String rule = ((UrlRewriteFilterApplyDescriptor)path).rule();
        value = filterAttribute( null, attribute.getName(), value, rule );
        node.setValue( value );
      }
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Related Classes of org.apache.hadoop.gateway.filter.rewrite.api.UrlRewriteFilterPathDescriptor

  • org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlFilterReader
  • org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlRewriteRulesDigester$FilterApplyFactory
  • org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlRewriteRulesDigester$FilterBufferFactory
  • org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlRewriteRulesDigester$FilterDetectFactory
  • org.apache.hadoop.gateway.filter.rewrite.impl.xml.XmlRewriteRulesDigester$FilterScopeFactory
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