    001/*
    002 * Licensed to the Apache Software Foundation (ASF) under one or more
    003 * contributor license agreements.  See the NOTICE file distributed with
    004 * this work for additional information regarding copyright ownership.
    005 * The ASF licenses this file to You under the Apache License, Version 2.0
    006 * (the "License"); you may not use this file except in compliance with
    007 * the License.  You may obtain a copy of the License at
    008 *
    009 *      https://www.apache.org/licenses/LICENSE-2.0
    010 *
    011 * Unless required by applicable law or agreed to in writing, software
    012 * distributed under the License is distributed on an "AS IS" BASIS,
    013 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    014 * See the License for the specific language governing permissions and
    015 * limitations under the License.
    016 */
    017
    018package org.apache.commons.exec.environment;
    019
    020//import java.io.BufferedReader;
    021//import java.io.IOException;
    022//import java.util.HashMap;
    023//import java.util.Map;
    024//
    025//import org.apache.commons.exec.CommandLine;
    026
    027/**
    028 * Helper class to determine the environment variable for VMS.
    029 *
    030 * @deprecated No longer needed.
    031 */
    032@Deprecated
    033public class OpenVmsProcessingEnvironment extends DefaultProcessingEnvironment {
    034
    035    /**
    036     * Constructs a new instance.
    037     */
    038    public OpenVmsProcessingEnvironment() {
    039        // empty
    040    }
    041
    042    /*
    043     * Hopefully removing super-class overrides won't cause Clirr error. If necessary can just delegate to super-class.
    044     */
    045
    046//    /**
    047//     * Find the list of environment variables for this process.
    048//     *
    049//     * @return a map containing the environment variables
    050//     * @throws IOException the operation failed
    051//     */
    052//    @Override
    053//    protected Map<String, String> createProcEnvironment() throws IOException {
    054//        if (procEnvironment == null) {
    055//            final BufferedReader in = runProcEnvCommand();
    056//            procEnvironment = addVMSenvironmentVariables(new HashMap<String, String>(), in);
    057//        }
    058//
    059//        return procEnvironment;
    060//    }
    061//
    062//    /**
    063//     * Determine the OS specific command line to get a list of environment
    064//     * variables.
    065//     *
    066//     * @return the command line
    067//     */
    068//    @Override
    069//    protected CommandLine getProcEnvCommand() {
    070//        final CommandLine commandLine = new CommandLine("show");
    071//        commandLine.addArgument("symbol/global"); // the parser assumes symbols are global
    072//        commandLine.addArgument("*");
    073//        return commandLine;
    074//    }
    075//
    076//    /**
    077//     * This method is VMS specific and used by getProcEnvironment(). Parses VMS
    078//     * symbols from {@code in} and adds them to {@code environment}.
    079//     * {@code in} is expected to be the output of "SHOW SYMBOL/GLOBAL *".
    080//     *
    081//     * @param environment the current environment
    082//     * @param in the reader from the process to determine VMS env variables
    083//     * @return the updated environment
    084//     * @throws IOException operation failed
    085//     */
    086//    private Map<String, String> addVMSenvironmentVariables(final Map<String, String> environment,
    087//            final BufferedReader in) throws IOException {
    088//        String line;
    089//        while ((line = in.readLine()) != null) {
    090//            final String SEP = "=="; // global symbol separator
    091//            final int sepidx = line.indexOf(SEP);
    092//            if (sepidx > 0) {
    093//                final String name = line.substring(0, sepidx).trim();
    094//                String value = line.substring(sepidx+SEP.length()).trim();
    095//                value = value.substring(1,value.length()-1); // drop enclosing quotes
    096//                environment.put(name,value);
    097//            }
    098//        }
    099//        return environment;
    100//    }
    101}