org.javersion.path.SchemaBase Maven / Gradle / Ivy
/*
* Copyright 2015 Samppa Saarela
*
* 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.javersion.path;
import org.javersion.path.PropertyPath.NodeId;
import org.javersion.util.Check;
public abstract class SchemaBase> {
public abstract This getChild(NodeId nodeId);
public This get(PropertyPath path) {
This schema = find(path);
if (schema == null) {
throw new IllegalArgumentException("Path not found: " + path);
}
return schema;
}
public This find(PropertyPath path) {
Check.notNull(path, "path");
@SuppressWarnings("unchecked")
This currentMapping = (This) this;
for (PropertyPath currentPath : path.asList()) {
NodeId nodeId = currentPath.getNodeId();
@SuppressWarnings("unchecked")
This childMapping = currentMapping.getChild(nodeId);
while (childMapping == null && (nodeId = nodeId.fallbackId()) != null) {
childMapping = currentMapping.getChild(nodeId);
}
if (childMapping != null) {
currentMapping = childMapping;
} else {
return null;
}
}
return currentMapping;
}
}