Examples with AtlasPath io.atlasmap.core.AtlasPath used on opensource projects

Example 1 with AtlasPath

use of io.atlasmap.core.AtlasPath in project atlasmap by atlasmap.

the class JsonModule method getCollectionSize.

@Override
public int getCollectionSize(AtlasInternalSession session, Field field) throws AtlasException {
    // TODO could this use FieldReader?
    Object document = session.getSourceDocument(getDocId());
    // make this a JSON document
    JsonFactory jsonFactory = new JsonFactory();
    ObjectMapper objectMapper = new ObjectMapper();
    try {
        JsonParser parser = jsonFactory.createParser(document.toString());
        JsonNode rootNode = objectMapper.readTree(parser);
        ObjectNode parentNode = (ObjectNode) rootNode;
        String parentSegment = "[root node]";
        for (SegmentContext sc : new AtlasPath(field.getPath()).getSegmentContexts(false)) {
            JsonNode currentNode = JsonFieldWriter.getChildNode(parentNode, parentSegment, sc.getSegment());
            if (currentNode == null) {
                return 0;
            }
            if (AtlasPath.isCollectionSegment(sc.getSegment())) {
                if (currentNode != null && currentNode.isArray()) {
                    return currentNode.size();
                }
                return 0;
            }
            parentNode = (ObjectNode) currentNode;
        }
    } catch (IOException e) {
        throw new AtlasException(e.getMessage(), e);
    }
    return 0;
}

Example 2 with AtlasPath

use of io.atlasmap.core.AtlasPath in project atlasmap by atlasmap.

the class JavaModule method getCollectionSize.

@SuppressWarnings("rawtypes")
@Override
public int getCollectionSize(AtlasInternalSession session, Field field) throws AtlasException {
    // TODO could this use FieldReader?
    Object document = session.getSourceDocument(getDocId());
    Object collectionObject = ClassHelper.parentObjectForPath(document, new AtlasPath(field.getPath()), false);
    if (collectionObject == null) {
        throw new AtlasException(String.format("Cannot find collection on sourceObject %s for path: %s", document.getClass().getName(), field.getPath()));
    }
    if (collectionObject.getClass().isArray()) {
        return Array.getLength(collectionObject);
    }
    return ((List) collectionObject).size();
}

Example 3 with AtlasPath

use of io.atlasmap.core.AtlasPath in project atlasmap by atlasmap.

the class DocumentJavaFieldReader method resolveGetMethod.

private Method resolveGetMethod(Object sourceObject, Field field) throws AtlasException {
    Object parentObject = sourceObject;
    AtlasPath atlasPath = new AtlasPath(field.getPath());
    Method getter = null;
    if (atlasPath.hasParent()) {
        parentObject = ClassHelper.parentObjectForPath(sourceObject, atlasPath, true);
    }
    if (parentObject == null) {
        return null;
    }
    List<Class<?>> classTree = resolveMappableClasses(parentObject.getClass());
    for (Class<?> clazz : classTree) {
        try {
            if (field instanceof JavaField && ((JavaField) field).getGetMethod() != null) {
                getter = clazz.getMethod(((JavaField) field).getGetMethod());
                getter.setAccessible(true);
                return getter;
            }
        } catch (NoSuchMethodException e) {
        // no getter method specified in mapping file
        }
        for (String m : Arrays.asList("get", "is")) {
            String cleanedLastSegment = AtlasPath.cleanPathSegment(atlasPath.getLastSegment());
            String getterMethod = m + capitalizeFirstLetter(cleanedLastSegment);
            try {
                getter = clazz.getMethod(getterMethod);
                getter.setAccessible(true);
                return getter;
            } catch (NoSuchMethodException e) {
            // method does not exist
            }
        }
    }
    return null;
}

Example 4 with AtlasPath

use of io.atlasmap.core.AtlasPath in project atlasmap by atlasmap.

the class ClassHelperTest method testParentObjectForPathGrandParent.

@Test
public void testParentObjectForPathGrandParent() throws Exception {
    SourceAddress sourceAddress = new SourceAddress();
    SourceOrder sourceOrder = new SourceOrder();
    sourceOrder.setAddress(sourceAddress);
    SourceParentOrder sourceParentOrder = new SourceParentOrder();
    sourceParentOrder.setOrder(sourceOrder);
    Object parentObject = ClassHelper.parentObjectForPath(sourceParentOrder, new AtlasPath("/order/address/city"), true);
    assertNotNull(parentObject);
    assertTrue(parentObject instanceof SourceAddress);
    assertEquals(sourceAddress, parentObject);
}

Example 5 with AtlasPath

use of io.atlasmap.core.AtlasPath in project atlasmap by atlasmap.

the class ClassHelperTest method testParentObjectForPath.

@Test
public void testParentObjectForPath() throws Exception {
    SourceAddress sourceAddress = new SourceAddress();
    SourceOrder sourceOrder = new SourceOrder();
    sourceOrder.setAddress(sourceAddress);
    Object parentObject = ClassHelper.parentObjectForPath(sourceOrder, new AtlasPath("/address/city"), true);
    assertNotNull(parentObject);
    assertTrue(parentObject instanceof SourceAddress);
    assertEquals(sourceAddress, parentObject);
}