/**
* JBoss, Home of Professional Open Source
* Copyright Red Hat, Inc., and individual contributors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package org.jboss.aerogear.unifiedpush.rest.util.transform;
import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jackson.JacksonUtils;
import com.github.fge.jsonpatch.JsonPatch;
import com.github.fge.jsonpatch.JsonPatchException;
import java.io.IOException;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import static java.text.MessageFormat.format;
/**
* UserParams is a DynamicTransformer that moves all user parameters to a separate user-data section.
*/
public class UserParams implements DynamicTransformer {
private static final List<String> KNOWN_KEYS = Arrays.asList("alert", "apns", "sound", "badge",
"simple-push", "user-data");
public static final String MOVE_OP = "['{'\"op\": \"move\",\"from\": \"/message/{0}\",\"path\": \"/message/user-data/{0}\"'}']";
@Override
public JsonNode transform(JsonNode patched) throws IOException {
Iterator<Map.Entry<String, JsonNode>> nodeIterator = patched.get("message").fields();
while (nodeIterator.hasNext()) {
Map.Entry<String, JsonNode> entry = nodeIterator.next();
if (!KNOWN_KEYS.contains(entry.getKey())) {
String json = format(MOVE_OP, entry.getKey());
try {
patched = JsonPatch.fromJson(JacksonUtils.getReader().readTree(json)).apply(patched);
} catch (JsonPatchException e) {
throw new RuntimeException("move operation could not be applied", e);
}
}
}
return patched;
}
}