/**
* 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.ambari.view.filebrowser;
import org.apache.ambari.view.ClusterType;
import org.apache.ambari.view.ViewInstanceDefinition;
import org.apache.ambari.view.utils.ambari.ValidatorUtils;
import org.apache.ambari.view.validation.ValidationResult;
import org.apache.ambari.view.validation.Validator;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class PropertyValidator implements Validator {
protected static final Logger LOG = LoggerFactory.getLogger(PropertyValidator.class);
public static final String WEBHDFS_URL = "webhdfs.url";
@Override
public ValidationResult validateInstance(ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) {
return null;
}
@Override
public ValidationResult validateProperty(String property, ViewInstanceDefinition viewInstanceDefinition, ValidationContext validationContext) {
// if associated with cluster(local or remote), no need to validate associated properties
ClusterType clusterType = viewInstanceDefinition.getClusterType();
if (clusterType == ClusterType.LOCAL_AMBARI || clusterType == ClusterType.REMOTE_AMBARI) {
return ValidationResult.SUCCESS;
}
if (property.equals(WEBHDFS_URL)) {
String webhdfsUrl = viewInstanceDefinition.getPropertyMap().get(WEBHDFS_URL);
if (!ValidatorUtils.validateHdfsURL(webhdfsUrl)) {
LOG.error("Invalid webhdfs.url = {}", webhdfsUrl);
return new InvalidPropertyValidationResult(false, "Must be valid URL");
}
}
return ValidationResult.SUCCESS;
}
public static class InvalidPropertyValidationResult implements ValidationResult {
private boolean valid;
private String detail;
public InvalidPropertyValidationResult(boolean valid, String detail) {
this.valid = valid;
this.detail = detail;
}
@Override
public boolean isValid() {
return valid;
}
@Override
public String getDetail() {
return detail;
}
}
}