/*
* Copyright (c) 2014, Francis Galiegue (fgaliegue@gmail.com)
*
* This software is dual-licensed under:
*
* - the Lesser General Public License (LGPL) version 3.0 or, at your option, any
* later version;
* - the Apache Software License (ASL) version 2.0.
*
* The text of this file and of both licenses is available at the root of this
* project or, if you have the jar distribution, in directory META-INF/, under
* the names LGPL-3.0.txt and ASL-2.0.txt respectively.
*
* Direct link to the sources:
*
* - LGPL 3.0: https://www.gnu.org/licenses/lgpl-3.0.txt
* - ASL 2.0: http://www.apache.org/licenses/LICENSE-2.0.txt
*/
package com.github.fge.jsonschema.keyword.digest.draftv3;
import com.fasterxml.jackson.databind.JsonNode;
import com.fasterxml.jackson.databind.node.ArrayNode;
import com.fasterxml.jackson.databind.node.ObjectNode;
import com.github.fge.jackson.JacksonUtils;
import com.github.fge.jackson.NodeType;
import com.github.fge.jsonschema.keyword.digest.AbstractDigester;
import com.github.fge.jsonschema.keyword.digest.Digester;
import com.google.common.collect.Lists;
import com.google.common.collect.Ordering;
import com.google.common.collect.Sets;
import java.util.Comparator;
import java.util.List;
import java.util.Map;
import java.util.SortedSet;
/**
* Digester for {@code dependencies}
*
* <p>This stores property dependencies separately from schema dependencies.</p>
*/
public final class DraftV3DependenciesDigester
extends AbstractDigester
{
private static final Digester INSTANCE = new DraftV3DependenciesDigester();
public static Digester getInstance()
{
return INSTANCE;
}
private DraftV3DependenciesDigester()
{
super("dependencies", NodeType.OBJECT);
}
@Override
public JsonNode digest(final JsonNode schema)
{
final ObjectNode ret = FACTORY.objectNode();
final ObjectNode propertyDeps = FACTORY.objectNode();
ret.put("propertyDeps", propertyDeps);
final ArrayNode schemaDeps = FACTORY.arrayNode();
ret.put("schemaDeps", schemaDeps);
final List<String> list = Lists.newArrayList();
final Map<String, JsonNode> map
= JacksonUtils.asMap(schema.get(keyword));
String key;
JsonNode value;
NodeType type;
for (final Map.Entry<String, JsonNode> entry: map.entrySet()) {
key = entry.getKey();
value = entry.getValue();
type = NodeType.getNodeType(value);
switch (type) {
case OBJECT:
list.add(key);
break;
case ARRAY:
final JsonNode node = sortedSet(value);
if (node.size() != 0)
propertyDeps.put(key, node);
break;
case STRING:
propertyDeps.put(key, FACTORY.arrayNode()
.add(value.textValue()));
}
}
for (final String s: Ordering.natural().sortedCopy(list))
schemaDeps.add(s);
return ret;
}
private static JsonNode sortedSet(final JsonNode node)
{
final SortedSet<JsonNode> set
= Sets.newTreeSet(new Comparator<JsonNode>()
{
@Override
public int compare(final JsonNode o1, final JsonNode o2)
{
return o1.textValue().compareTo(o2.textValue());
}
});
set.addAll(Sets.newHashSet(node));
final ArrayNode ret = FACTORY.arrayNode();
ret.addAll(set);
return ret;
}
}