Examples of org.w3c.dom.Entity

org.w3c.dom.Entity
This interface represents an entity, either parsed or unparsed, in an XML document. Note that this models the entity itself not the entity declaration. Entity declaration modeling has been left for a later Level of the DOM specification.
The nodeName attribute that is inherited from Node contains the name of the entity.
An XML processor may choose to completely expand entities before the structure model is passed to the DOM; in this case there will be no EntityReference nodes in the document tree.
XML does not mandate that a non-validating XML processor read and process entity declarations made in the external subset or declared in external parameter entities. This means that parsed entities declared in the external subset need not be expanded by some classes of applications, and that the replacement value of the entity may not be available. When the replacement value is available, the corresponding Entity node's child list represents the structure of that replacement text. Otherwise, the child list is empty.
The DOM Level 2 does not support editing Entity nodes; if a user wants to make changes to the contents of an Entity , every related EntityReference node has to be replaced in the structure model by a clone of the Entity 's contents, and then the desired changes must be made to each of those clones instead. All the descendants of an Entity node are readonly.
An Entity node does not have any parent. If the entity contains an unbound namespace prefix , the namespaceURI of the corresponding node in the Entity node subtree is null . The same is true for EntityReference nodes that refer to this entity, when they are created using the createEntityReference method of the Document interface. The DOM Level 2 does not support any mechanism to resolve namespace prefixes.

                // We could simply return here if there is no entity for the reference.
                if (entityNode == null || entityNode.hasChildNodes()) {
                    return;
                }


                Entity entity = (Entity)entityNode;


                if (erNode.hasChildNodes()) {
                    NodeList list = erNode.getChildNodes();
                    int len = list.getLength();
                    for (int i = 0; i < len; i++) {
                        Node childClone = list.item(i).cloneNode(true);
                        entity.appendChild(childClone);
                    }
                }
            }
        }

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            //revisit: how to check if entity was already declared.
            // XML spec says that 1st Entity decl is binding.


            String entityName = fStringPool.toString(entityNameIndex);


            Entity entity = fDocumentImpl.createEntity(entityName);
            fDocumentType.getEntities().setNamedItem(entity);


            // create internal entity declaration
            if (fGrammarAccess) {
                Element schema = XUtil.getFirstChildElement(fDocumentType, "schema");

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      if (null != doctype)
      {
        NamedNodeMap entities = doctype.getEntities();
        if(null == entities)
          return url;
        Entity entity = (Entity) entities.getNamedItem(name);
        if(null == entity)
          return url;


        String notationName = entity.getNotationName();


        if (null != notationName)  // then it's unparsed
        {
          // The draft says: "The XSLT processor may use the public
          // identifier to generate a URI for the entity instead of the URI
          // specified in the system identifier. If the XSLT processor does
          // not use the public identifier to generate the URI, it must use
          // the system identifier; if the system identifier is a relative
          // URI, it must be resolved into an absolute URI using the URI of
          // the resource containing the entity declaration as the base
          // URI [RFC2396]."
          // So I'm falling a bit short here.
          url = entity.getSystemId();


          if (null == url)
          {
            url = entity.getPublicId();
          }
          else
          {
            // This should be resolved to an absolute URL, but that's hard
            // to do from here.

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        }
        case Node.DOCUMENT_NODE : {
            DocumentType      docType;
            DOMImplementation domImpl;
            NamedNodeMap      map;
            Entity            entity;
            Notation          notation;
            int               i;


            // If there is a document type, use the SAX events to
            // serialize it.

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        return false;
    }
    
    public boolean isEntityUnparsed(String name) {
        if (fEntities != null) {
            Entity entity = (Entity) fEntities.getNamedItem(name);
            if (entity != null) {
                return (entity.getNotationName() != null);
            }
        }
        return false;
    }

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            for (int j = 0; j < children.getLength(); j++) {
                Node child = children.item(j);
                //If the attribute's child is an entity refernce
                if (child.getNodeType() == Node.ENTITY_REFERENCE_NODE) {
                    Document owner = a.getOwnerDocument();
                    Entity ent = null;
                    //search for the entity in the docType
                    //of the attribute's ownerDocument
                    if (owner != null) {
                        DocumentType docType = owner.getDoctype();
                        if (docType != null) {

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                deep = false;
                break;
            }


            case ENTITY_NODE: {
                Entity srcentity = (Entity)source;
                EntityImpl newentity =
                (EntityImpl)createEntity(source.getNodeName());
                newentity.setPublicId(srcentity.getPublicId());
                newentity.setSystemId(srcentity.getSystemId());
                newentity.setNotationName(srcentity.getNotationName());
                // Kids carry additional value,
                // allow deep import temporarily
                newentity.isReadOnly(false);
                newnode = newentity;
                break;

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    if (null != doctype)
    {
      NamedNodeMap entities = doctype.getEntities();
      if(null == entities)
        return url;
      Entity entity = (Entity) entities.getNamedItem(name);
      if(null == entity)
        return url;


      String notationName = entity.getNotationName();


      if (null != notationName)  // then it's unparsed
      {
        // The draft says: "The XSLT processor may use the public
        // identifier to generate a URI for the entity instead of the URI
        // specified in the system identifier. If the XSLT processor does
        // not use the public identifier to generate the URI, it must use
        // the system identifier; if the system identifier is a relative
        // URI, it must be resolved into an absolute URI using the URI of
        // the resource containing the entity declaration as the base
        // URI [RFC2396]."
        // So I'm falling a bit short here.
        url = entity.getSystemId();


        if (null == url)
        {
          url = entity.getPublicId();
        }
        else
        {
          // This should be resolved to an absolute URL, but that's hard
          // to do from here.

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            for (int j = 0; j < children.getLength(); j++) {
                Node child = children.item(j);
                //If the attribute's child is an entity refernce
                if (child.getNodeType() == Node.ENTITY_REFERENCE_NODE) {
                    Document owner = a.getOwnerDocument();
                    Entity ent = null;
                    //search for the entity in the docType
                    //of the attribute's ownerDocument
                    if (owner != null) {
                        DocumentType docType = owner.getDoctype();
                        if (docType != null) {

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        return false;
    }


    public boolean isEntityUnparsed(String name) {
        if (fEntities != null) {
            Entity entity = (Entity) fEntities.getNamedItem(name);
            if (entity != null) {
                return (entity.getNotationName() != null);
            }
        }
        return false;
    }

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