Examples of org.w3c.dom.Text.replaceWholeText()

org.w3c.dom.Text.replaceWholeText()
Substitutes the specified text for the text of the current node and all logically-adjacent text nodes.
This method returns the node in the hierarchy which received the replacement text, which is null if the text was empty or is the current node if the current node is not read-only or otherwise is a new node of the same type as the current node inserted at the site of the replacement. All logically-adjacent text nodes are removed including the current node unless it was the recipient of the replacement text.
For instance, in the above example calling replaceWholeText on the Text node that contains "bar" with "yo" in argument results in the following:
Where the nodes to be removed are read-only descendants of an EntityReference, the EntityReference must be removed instead of the read-only nodes. If any EntityReference to be removed has descendants that are not EntityReference, Text, or CDATASection nodes, the replaceWholeText method must fail before performing any modification of the document, raising a DOMException with the code NO_MODIFICATION_ALLOWED_ERR.
For instance, in the example below calling replaceWholeText on the Text node that contains "bar" fails, because the EntityReference node "ent" contains an Element node which cannot be removed. @param content The content of the replacing Text node. @return The Text node created with the specified content. @exception DOMException NO_MODIFICATION_ALLOWED_ERR: Raised if one of the Text nodes being replaced is readonly. @since DOM Level 3

            element.setTextContent( value );
          } else if( node instanceof Text ) {
            Text text = (Text)node;
            String value = text.getWholeText();
            value = filterText( extractQName( text.getParentNode() ), value, apply.rule() );
            text.replaceWholeText( value );
          } else if( node instanceof Attr ) {
            Attr attr = (Attr)node;
            String value = attr.getValue();
            value = filterAttribute( extractQName( attr.getOwnerElement() ), extractQName( attr ), value, apply.rule() );
            attr.setValue( value );

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            //TEST replaceWholeText()
            ((NodeImpl)ls.item(0)).setReadOnly(true, true);
            
            Text original = (Text)ls.item(0);
            Node newNode = original.replaceWholeText("Replace with this text");
            ls = test.getChildNodes();
            Assertion.verify(ls.getLength() == 1, "Length == 1");
            Assertion.verify(ls.item(0).getNodeValue().equals("Replace with this text"), "Replacement works");
            Assertion.verify(newNode != original, "New node created");

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            Assertion.verify(newNode != original, "New node created");


            // replace text for node which is not yet attached to the tree
            Text text = doc.createTextNode("readonly");
            ((NodeImpl)text).setReadOnly(true, true);
            text = text.replaceWholeText("Data");
            Assertion.verify(text.getNodeValue().equals("Data"), "New value 'Data'");


            // test with second child that does not have any content
            test = (Element)doc.getElementsByTagName("elem").item(1);
            try {

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                Text text = createTextNode(node.getNodeValue());
                node.parent.insertBefore(text, node);
                node.parent.removeChild(node);
                // merge adjacent text nodes
                String data = text.getWholeText();
                node = (DomNode) text.replaceWholeText(data);
              }
            else if (config.splitCdataSections)
              {
                String value = node.getNodeValue();
                int i = value.indexOf("]]>");

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            element.setTextContent( value );
          } else if( node instanceof Text ) {
            Text text = (Text)node;
            String value = text.getWholeText();
            value = filterText( extractQName( text.getParentNode() ), value, apply.rule() );
            text.replaceWholeText( value );
          } else if( node instanceof Attr ) {
            Attr attr = (Attr)node;
            String value = attr.getValue();
            value = filterAttribute( extractQName( attr.getOwnerElement() ), extractQName( attr ), value, apply.rule() );
            attr.setValue( value );

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