org.apache.sqoop.shell.GrantPrivilegeFunction.java Source code

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Here is the source code for org.apache.sqoop.shell.GrantPrivilegeFunction.java

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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.sqoop.shell;

import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.OptionBuilder;
import org.apache.sqoop.model.MPrincipal;
import org.apache.sqoop.model.MPrivilege;
import org.apache.sqoop.model.MResource;
import org.apache.sqoop.shell.core.Constants;
import org.apache.sqoop.validation.Status;

import java.io.IOException;
import java.text.MessageFormat;
import java.util.Arrays;

import static org.apache.sqoop.shell.ShellEnvironment.*;

public class GrantPrivilegeFunction extends SqoopFunction {
    @SuppressWarnings("static-access")
    public GrantPrivilegeFunction() {
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_RESOURCE_TYPE)
                .withDescription(resourceString(Constants.RES_PROMPT_RESOURCE_TYPE)).isRequired().hasArg()
                .create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_RESOURCE)
                .withDescription(resourceString(Constants.RES_PROMPT_RESOURCE)).isRequired().hasArg().create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_ACTION)
                .withDescription(resourceString(Constants.RES_PROMPT_ACTION)).isRequired().hasArg()
                .create(Constants.OPT_ACTION_CHAR));
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_PRINCIPAL)
                .withDescription(resourceString(Constants.RES_PROMPT_PRINCIPAL)).isRequired().hasArg().create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_PRINCIPAL_TYPE)
                .withDescription(resourceString(Constants.RES_PROMPT_PRINCIPAL_TYPE)).isRequired().hasArg()
                .create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_WITH_GRANT)
                .withDescription(resourceString(Constants.RES_PROMPT_WITH_GRANT))
                .create(Constants.OPT_WITH_GRANT_CHAR));
    }

    @Override
    @SuppressWarnings("unchecked")
    public Object executeFunction(CommandLine line, boolean isInteractive) throws IOException {
        return grantPrivilege(line.getOptionValue(Constants.OPT_ACTION),
                line.getOptionValue(Constants.OPT_RESOURCE_TYPE), line.getOptionValue(Constants.OPT_RESOURCE),
                line.getOptionValue(Constants.OPT_PRINCIPAL_TYPE), line.getOptionValue(Constants.OPT_PRINCIPAL),
                line.hasOption(Constants.OPT_WITH_GRANT));
    }

    private Status grantPrivilege(String action, String resourceType, String resource, String principalType,
            String principal, boolean withGrant) throws IOException {
        MResource resourceObject = new MResource(resource, resourceType);
        MPrivilege privilegeObject = new MPrivilege(resourceObject, action, withGrant);
        MPrincipal principalObject = new MPrincipal(principal, principalType);

        client.grantPrivilege(Arrays.asList(principalObject), Arrays.asList(privilegeObject));

        client.clearCache();

        printlnResource(Constants.RES_GRANT_PRIVILEGE_SUCCESSFUL, action, resourceType + " " + resource,
                ((withGrant) ? " " + resourceString(Constants.RES_GRANT_PRIVILEGE_SUCCESSFUL_WITH_GRANT) : ""),
                principalType + " " + principal);

        return Status.OK;
    }
}