CREST-3 - Add patch support

Matthew Swift

07.26.2013 6d12770d7fa9fc1c103d9e21614dac75a69abc78

 opendj3/opendj-rest2ldap/src/main/java/org/forgerock/opendj/rest2ldap/ObjectAttributeMapper.java

@@ -85,6 +85,11 @@
    }

    @Override
    public String toString() {
        return "object(" + mappings.values().toString() + ")";
    }

    @Override
    void create(final Context c, final JsonPointer path, final JsonValue v,
            final ResultHandler<List<Attribute>> h) {
        try {
@@ -165,18 +170,21 @@
                 * by allowing the JSON value to be a partial object and
                 * add/remove/replace only the provided values.
                 */
                checkMapping(path, operation.getValue());
                final Map<String, Mapping> missingMappings = checkMapping(path, v);

                // Accumulate the results of the subordinate mappings.
                final ResultHandler<List<Modification>> handler = accumulator(h);
                final ResultHandler<List<Modification>> handler =
                        accumulator(mappings.size() - missingMappings.size(), h);

                // Invoke the sub-mappers using a new patch operation targeted at each field.
                for (final Map.Entry<String, Object> me : v.asMap().entrySet()) {
                    final Mapping mapping = getMapping(me.getKey());
                    final JsonValue subValue = new JsonValue(me.getValue());
                    final PatchOperation subOperation =
                            operation(operation.getOperation(), field /* empty */, subValue);
                    mapping.mapper.patch(c, path.child(me.getKey()), subOperation, handler);
                // Invoke mappings for which there are values provided.
                if (!v.isNull()) {
                    for (final Map.Entry<String, Object> me : v.asMap().entrySet()) {
                        final Mapping mapping = getMapping(me.getKey());
                        final JsonValue subValue = new JsonValue(me.getValue());
                        final PatchOperation subOperation =
                                operation(operation.getOperation(), field /* empty */, subValue);
                        mapping.mapper.patch(c, path.child(me.getKey()), subOperation, handler);
                    }
                }
            } else {
                /*
@@ -280,7 +288,11 @@
    }

    private <T> ResultHandler<List<T>> accumulator(final ResultHandler<List<T>> h) {
        return accumulate(mappings.size(), transform(new Function<List<List<T>>, List<T>, Void>() {
        return accumulator(mappings.size(), h);
    }

    private <T> ResultHandler<List<T>> accumulator(final int size, final ResultHandler<List<T>> h) {
        return accumulate(size, transform(new Function<List<List<T>>, List<T>, Void>() {
            @Override
            public List<T> apply(final List<List<T>> value, final Void p) {
                switch (value.size()) {