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* Licensed to the Apache Software Foundation (ASF) under one
* or more contributor license agreements. See the NOTICE file
* distributed with this work for additional information
* regarding copyright ownership. The ASF licenses this file
* to you 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.apache.cayenne.project.validator;
import java.util.Iterator;
import org.apache.cayenne.access.DataDomain;
import org.apache.cayenne.access.DataNode;
import org.apache.cayenne.conf.DriverDataSourceFactory;
import org.apache.cayenne.project.ProjectPath;
import org.apache.cayenne.util.Util;
/**
*/
public class DataNodeValidator extends TreeNodeValidator {
/**
* Constructor for DataNodeValidator.
*/
public DataNodeValidator() {
super();
}
@Override
public void validateObject(ProjectPath path, Validator validator) {
DataNode node = (DataNode) path.getObject();
validateName(node, path, validator);
validateConnection(node, path, validator);
}
protected void validateConnection(DataNode node, ProjectPath path, Validator validator) {
String factory = node.getDataSourceFactory();
// If direct factory, make sure the location is a valid file name.
if (Util.isEmptyString(factory)) {
validator.registerError("No DataSource factory.", path);
}
else if (!DriverDataSourceFactory.class.getName().equals(factory)) {
String location = node.getDataSourceLocation();
if (Util.isEmptyString(location)) {
validator.registerError("DataNode has no location parameter.", path);
}
}
}
protected void validateName(DataNode node, ProjectPath path, Validator validator) {
String name = node.getName();
if (Util.isEmptyString(name)) {
validator.registerError("Unnamed DataNode.", path);
return;
}
DataDomain domain = (DataDomain) path.getObjectParent();
if (domain == null) {
return;
}
// check for duplicate names in the parent context
for (final DataNode otherNode : domain.getDataNodes()) {
if (otherNode == node) {
continue;
}
if (name.equals(otherNode.getName())) {
validator.registerError("Duplicate DataNode name: " + name + ".", path);
break;
}
}
}
}