public boolean isEqualNode()

in src/org/apache/xerces/dom/DocumentTypeImpl.java [235:319]
65 lines of code
39 McCabe index (conditional complexity)

    public boolean isEqualNode(Node arg) {
        
        if (!super.isEqualNode(arg)) {
            return false;
        }
        
        if (needsSyncData()) {
            synchronizeData();
        }
        DocumentTypeImpl argDocType = (DocumentTypeImpl) arg;

        //test if the following string attributes are equal: publicId, 
        //systemId, internalSubset.
        if ((getPublicId() == null && argDocType.getPublicId() != null)
            || (getPublicId() != null && argDocType.getPublicId() == null)
            || (getSystemId() == null && argDocType.getSystemId() != null)
            || (getSystemId() != null && argDocType.getSystemId() == null)
            || (getInternalSubset() == null
                && argDocType.getInternalSubset() != null)
            || (getInternalSubset() != null
                && argDocType.getInternalSubset() == null)) {
            return false;
        }

        if (getPublicId() != null) {
            if (!getPublicId().equals(argDocType.getPublicId())) {
                return false;
            }
        }

        if (getSystemId() != null) {
            if (!getSystemId().equals(argDocType.getSystemId())) {
                return false;
            }
        }

        if (getInternalSubset() != null) {
            if (!getInternalSubset().equals(argDocType.getInternalSubset())) {
                return false;
            }
        }

        //test if NamedNodeMaps entities and notations are equal
        NamedNodeMapImpl argEntities = argDocType.entities;

        if ((entities == null && argEntities != null)
            || (entities != null && argEntities == null))
            return false;

        if (entities != null && argEntities != null) {
            if (entities.getLength() != argEntities.getLength())
                return false;

            for (int index = 0; entities.item(index) != null; index++) {
                Node entNode1 = entities.item(index);
                Node entNode2 =
                    argEntities.getNamedItem(entNode1.getNodeName());

                if (!((NodeImpl) entNode1).isEqualNode(entNode2))
                    return false;
            }
        }

        NamedNodeMapImpl argNotations = argDocType.notations;

        if ((notations == null && argNotations != null)
            || (notations != null && argNotations == null))
            return false;

        if (notations != null && argNotations != null) {
            if (notations.getLength() != argNotations.getLength())
                return false;

            for (int index = 0; notations.item(index) != null; index++) {
                Node noteNode1 = notations.item(index);
                Node noteNode2 =
                    argNotations.getNamedItem(noteNode1.getNodeName());

                if (!((NodeImpl) noteNode1).isEqualNode(noteNode2))
                    return false;
            }
        }

        return true;
    } //end isEqualNode