Examples with IAnswerResolver org.javarosa.core.model.instance.utils.IAnswerResolver used on opensource projects

Example 1 with IAnswerResolver

use of org.javarosa.core.model.instance.utils.IAnswerResolver in project javarosa by opendatakit.

the class TreeElement method populate.

// rebuilding a node from an imported instance
// there's a lot of error checking we could do on the received instance, but it's
// easier to just ignore the parts that are incorrect
public void populate(TreeElement incoming, FormDef f) {
    if (this.isLeaf()) {
        // check that incoming doesn't have children?
        IAnswerData value = incoming.getValue();
        if (value == null) {
            this.setValue(null);
        } else if (this.dataType == Constants.DATATYPE_TEXT || this.dataType == Constants.DATATYPE_NULL) {
            // value is a StringData
            this.setValue(value);
        } else {
            String textVal = (String) value.getValue();
            // if there is no other IAnswerResolver, use the default one.
            IAnswerResolver answerResolver = XFormParser.getAnswerResolver();
            if (answerResolver == null) {
                answerResolver = new DefaultAnswerResolver();
            }
            this.setValue(answerResolver.resolveAnswer(textVal, this, f));
        }
    } else {
        List<String> names = new ArrayList<String>(this.getNumChildren());
        for (int i = 0; i < this.getNumChildren(); i++) {
            TreeElement child = this.getChildAt(i);
            if (!names.contains(child.getName())) {
                names.add(child.getName());
            }
        }
        // remove all default repetitions from skeleton data model (_preserving_ templates, though)
        for (int i = 0; i < this.getNumChildren(); i++) {
            TreeElement child = this.getChildAt(i);
            if (child.getMaskVar(MASK_REPEATABLE) && child.getMult() != TreeReference.INDEX_TEMPLATE) {
                this.removeChildAt(i);
                i--;
            }
        }
        // make sure ordering is preserved (needed for compliance with xsd schema)
        if (this.getNumChildren() != names.size()) {
            throw new RuntimeException("sanity check failed");
        }
        for (int i = 0; i < this.getNumChildren(); i++) {
            TreeElement child = this.getChildAt(i);
            String expectedName = names.get(i);
            if (!child.getName().equals(expectedName)) {
                TreeElement child2 = null;
                int j;
                for (j = i + 1; j < this.getNumChildren(); j++) {
                    child2 = this.getChildAt(j);
                    if (child2.getName().equals(expectedName)) {
                        break;
                    }
                }
                if (j == this.getNumChildren()) {
                    throw new RuntimeException("sanity check failed");
                }
                this.removeChildAt(j);
                this.children.add(i, child2);
            }
        }
        for (int i = 0; i < this.getNumChildren(); i++) {
            TreeElement child = this.getChildAt(i);
            List<TreeElement> newChildren = incoming.getChildrenWithName(child.getName());
            if (child.getMaskVar(MASK_REPEATABLE)) {
                for (int k = 0; k < newChildren.size(); k++) {
                    TreeElement newChild = child.deepCopy(true);
                    newChild.setMult(k);
                    this.children.add(i + k + 1, newChild);
                    newChild.populate(newChildren.get(k), f);
                }
                i += newChildren.size();
            } else {
                if (newChildren.size() == 0) {
                    child.setRelevant(false);
                } else {
                    child.populate(newChildren.get(0), f);
                }
            }
        }
    }
    for (int i = 0; i < incoming.getAttributeCount(); i++) {
        String name = incoming.getAttributeName(i);
        String ns = incoming.getAttributeNamespace(i);
        String value = incoming.getAttributeValue(i);
        this.setAttribute(ns, name, value);
    }
}