/*
* 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.server.api.query.render;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import org.apache.ambari.server.api.services.Result;
import org.apache.ambari.server.api.services.serializers.CsvSerializer;
import org.apache.ambari.server.api.util.TreeNode;
import org.apache.ambari.server.controller.spi.Resource;
/**
* Renderer which updates a KerberosHostIdentity resource so it may be serialized using a CSV serializer.
* <p/>
* This implementation extends the DefaultRenderer to add the header mapping and column order information
* to the root of TreeNode structure.
*
* @see CsvSerializer
*/
public class HostKerberosIdentityCsvRenderer extends DefaultRenderer {
@Override
public Result finalizeResult(Result queryResult) {
TreeNode<Resource> resultTree = queryResult.getResultTree();
if(resultTree != null) {
// TODO: Determine which columns/fields are relevant for the query and prune as needed.
Map<String, String> columnMap = new HashMap<String, String>() {{
put("KerberosIdentity/host_name", "host");
put("KerberosIdentity/description", "description");
put("KerberosIdentity/principal_name", "principal name");
put("KerberosIdentity/principal_type", "principal type");
put("KerberosIdentity/principal_local_username", "local username");
put("KerberosIdentity/keytab_file_path", "keytab file path");
put("KerberosIdentity/keytab_file_owner", "keytab file owner");
put("KerberosIdentity/keytab_file_owner_access", "keytab file owner access");
put("KerberosIdentity/keytab_file_group", "keytab file group");
put("KerberosIdentity/keytab_file_group_access", "keytab file group access");
put("KerberosIdentity/keytab_file_mode", "keytab file mode");
put("KerberosIdentity/keytab_file_installed", "keytab file installed");
}};
List<String> columnOrder = new ArrayList<String>() {{
add("KerberosIdentity/host_name");
add("KerberosIdentity/description");
add("KerberosIdentity/principal_name");
add("KerberosIdentity/principal_type");
add("KerberosIdentity/principal_local_username");
add("KerberosIdentity/keytab_file_path");
add("KerberosIdentity/keytab_file_owner");
add("KerberosIdentity/keytab_file_owner_access");
add("KerberosIdentity/keytab_file_group");
add("KerberosIdentity/keytab_file_group_access");
add("KerberosIdentity/keytab_file_mode");
add("KerberosIdentity/keytab_file_installed");
}};
resultTree.setProperty(CsvSerializer.PROPERTY_COLUMN_MAP, columnMap);
resultTree.setProperty(CsvSerializer.PROPERTY_COLUMN_ORDER, columnOrder);
}
return queryResult;
}
}