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

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Here is the source code for org.apache.sqoop.shell.ShowPrivilegeFunction.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.common.SqoopException;
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.shell.core.ShellError;
import org.apache.sqoop.shell.utils.TableDisplayer;
import org.apache.sqoop.validation.Status;

import java.util.LinkedList;
import java.util.List;

import static org.apache.sqoop.shell.ShellEnvironment.client;
import static org.apache.sqoop.shell.ShellEnvironment.resourceString;

@SuppressWarnings("serial")
public class ShowPrivilegeFunction extends SqoopFunction {
    @SuppressWarnings("static-access")
    public ShowPrivilegeFunction() {
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_PRINCIPAL_TYPE)
                .withDescription(resourceString(Constants.RES_PROMPT_PRINCIPAL_TYPE)).hasArg().isRequired()
                .create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_PRINCIPAL)
                .withDescription(resourceString(Constants.RES_PROMPT_PRINCIPAL)).hasArg().isRequired().create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_RESOURCE_TYPE)
                .withDescription(resourceString(Constants.RES_PROMPT_RESOURCE_TYPE)).hasArg().create());
        this.addOption(OptionBuilder.withLongOpt(Constants.OPT_RESOURCE)
                .withDescription(resourceString(Constants.RES_PROMPT_RESOURCE)).hasArg().create());
    }

    @Override
    public Object executeFunction(CommandLine line, boolean isInteractive) {
        if (line.hasOption(Constants.OPT_RESOURCE) ^ line.hasOption(Constants.OPT_RESOURCE_TYPE)) {
            throw new SqoopException(ShellError.SHELL_0003, ShellEnvironment.getResourceBundle()
                    .getString(Constants.RES_SHOW_PRIVILEGE_BAD_ARGUMENTS_RESOURCE_TYPE));
        }

        MPrincipal principal = new MPrincipal(line.getOptionValue(Constants.OPT_PRINCIPAL),
                line.getOptionValue(Constants.OPT_PRINCIPAL_TYPE));

        MResource resource = (line.hasOption(Constants.OPT_RESOURCE)) ? new MResource(
                line.getOptionValue(Constants.OPT_RESOURCE), line.getOptionValue(Constants.OPT_RESOURCE_TYPE))
                : null;

        showPrivileges(principal, resource);

        return Status.OK;
    }

    private void showPrivileges(MPrincipal principal, MResource resource) {
        List<MPrivilege> privileges = client.getPrivilegesByPrincipal(principal, resource);

        List<String> header = new LinkedList<String>();
        header.add(resourceString(Constants.RES_TABLE_HEADER_PRIVILEGE_ACTION));
        header.add(resourceString(Constants.RES_TABLE_HEADER_RESOURCE_NAME));
        header.add(resourceString(Constants.RES_TABLE_HEADER_RESOURCE_TYPE));
        header.add(resourceString(Constants.RES_TABLE_HEADER_PRIVILEGE_WITH_GRANT));

        List<String> actions = new LinkedList<String>();
        List<String> resourceNames = new LinkedList<String>();
        List<String> resourceTypes = new LinkedList<String>();
        List<String> withGrant = new LinkedList<String>();

        for (MPrivilege privilege : privileges) {
            actions.add(privilege.getAction());
            resourceNames.add(privilege.getResource().getName());
            resourceTypes.add(privilege.getResource().getType());
            withGrant.add(Boolean.toString(privilege.isWith_grant_option()));
        }

        TableDisplayer.display(header, actions, resourceNames, resourceTypes, withGrant);
    }
}