src/main/java/org/apache/commons/exec/environment/OpenVmsProcessingEnvironment.java

/*
 * 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
 *
 *   https://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.commons.exec.environment;

//import java.io.BufferedReader;
//import java.io.IOException;
//import java.util.HashMap;
//import java.util.Map;
//
//import org.apache.commons.exec.CommandLine;

/**
 * Helper class to determine the environment variable for VMS.
 *
 * @deprecated No longer needed.
 */
@Deprecated
public class OpenVmsProcessingEnvironment extends DefaultProcessingEnvironment {

    /**
     * Constructs a new instance.
     */
    public OpenVmsProcessingEnvironment() {
        // empty
    }

    /*
     * Hopefully removing super-class overrides won't cause Clirr error. If necessary can just delegate to super-class.
     */

//    /**
//     * Find the list of environment variables for this process.
//     *
//     * @return a map containing the environment variables
//     * @throws IOException the operation failed
//     */
//    @Override
//    protected Map<String, String> createProcEnvironment() throws IOException {
//        if (procEnvironment == null) {
//            final BufferedReader in = runProcEnvCommand();
//            procEnvironment = addVMSenvironmentVariables(new HashMap<String, String>(), in);
//        }
//
//        return procEnvironment;
//    }
//
//    /**
//     * Determine the OS specific command line to get a list of environment
//     * variables.
//     *
//     * @return the command line
//     */
//    @Override
//    protected CommandLine getProcEnvCommand() {
//        final CommandLine commandLine = new CommandLine("show");
//        commandLine.addArgument("symbol/global"); // the parser assumes symbols are global
//        commandLine.addArgument("*");
//        return commandLine;
//    }
//
//    /**
//     * This method is VMS specific and used by getProcEnvironment(). Parses VMS
//     * symbols from {@code in} and adds them to {@code environment}.
//     * {@code in} is expected to be the output of "SHOW SYMBOL/GLOBAL *".
//     *
//     * @param environment the current environment
//     * @param in the reader from the process to determine VMS env variables
//     * @return the updated environment
//     * @throws IOException operation failed
//     */
//    private Map<String, String> addVMSenvironmentVariables(final Map<String, String> environment,
//            final BufferedReader in) throws IOException {
//        String line;
//        while ((line = in.readLine()) != null) {
//            final String SEP = "=="; // global symbol separator
//            final int sepidx = line.indexOf(SEP);
//            if (sepidx > 0) {
//                final String name = line.substring(0, sepidx).trim();
//                String value = line.substring(sepidx+SEP.length()).trim();
//                value = value.substring(1,value.length()-1); // drop enclosing quotes
//                environment.put(name,value);
//            }
//        }
//        return environment;
//    }
}