/*
* 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.commons.hdfs;
import com.google.common.base.Optional;
import com.google.common.base.Strings;
import org.apache.ambari.view.ViewContext;
import org.apache.ambari.view.utils.hdfs.ConfigurationBuilder;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.HashMap;
import java.util.Map;
public class ViewPropertyHelper {
private static final Logger LOG = LoggerFactory.getLogger(ConfigurationBuilder.class);
public static Optional<Map<String, String>> getViewConfigs(ViewContext context, String viewConfigPropertyName) {
Map<String, String> viewConfigs = new HashMap<>();
String keyValues = context.getProperties().get(viewConfigPropertyName);
LOG.debug("{} : {}", viewConfigPropertyName, keyValues);
if (Strings.isNullOrEmpty(keyValues)) {
LOG.info("No values found in {} property.", viewConfigPropertyName);
return Optional.absent();
}
for (String entry : keyValues.split(";")) {
String[] kv = entry.split("=");
if (kv.length != 2) {
LOG.error("Ignoring entry {}, because it is not formatted like key=value");
continue;
}
viewConfigs.put(kv[0], kv[1]);
}
return Optional.of(viewConfigs);
}
}