org.eclipse.tracecompass.rcp.ui/src/org/eclipse/tracecompass/internal/tracing/rcp/ui/cli/CliParser.java

   1 /**********************************************************************
   2  * Copyright (c) 2013, 2014 Ericsson
   3  *
   4  * All rights reserved. This program and the accompanying materials are
   5  * made available under the terms of the Eclipse Public License v1.0 which
   6  * accompanies this distribution, and is available at
   7  * http://www.eclipse.org/legal/epl-v10.html
   8  *
   9  * Contributors:
  10  *   Matthew Khouzam- Initial API and implementation
  11  **********************************************************************/
  12
  13 package org.eclipse.tracecompass.internal.tracing.rcp.ui.cli;
  14
  15 import java.util.HashMap;
  16 import java.util.Map;
  17
  18 import org.eclipse.tracecompass.internal.tracing.rcp.ui.messages.Messages;
  19
  20 /**
  21  * Command line parser
  22  *
  23  * @author Matthew Khouzam
  24  */
  25 public class CliParser {
  26
  27     private static final String NOUI_ARG = "--NOUI"; //$NON-NLS-1$
  28
  29     private static final String OPEN_ARG = "--open"; //$NON-NLS-1$
  30
  31     private final Map<String, String> params = new HashMap<>();
  32
  33     /** Open key     */
  34     public static final String OPEN_FILE_LOCATION = ".,-=open=-,."; //$NON-NLS-1$
  35     /** No ui key    */
  36     public static final String NO_UI = ".,-=noui=-,."; //$NON-NLS-1$
  37
  38     /**
  39      * Constructor
  40      *
  41      * @param args
  42      *            the command line arguments
  43      * @throws TracingRCPCliException
  44      *             an error occurred parsing the cli
  45      */
  46     public CliParser(final String[] args) throws TracingRCPCliException {
  47         for (int i = 0; i < args.length; i++) {
  48             if (args[i].equals(OPEN_ARG)) {
  49                 put(OPEN_FILE_LOCATION, args, i);
  50                 // skip since we have two args
  51                 i++;
  52             }
  53             else if (args[i].equals(NOUI_ARG)) {
  54                 params.put(NO_UI, new String());
  55             }
  56         }
  57     }
  58
  59     private void put(String key, String[] args, int pos) throws TracingRCPCliException {
  60         if (args.length <= pos) {
  61             throw new TracingRCPCliException(Messages.CliParser_MalformedCommand + ':' + ' ' + args[pos]);
  62         }
  63         params.put(key, args[pos + 1]);
  64     }
  65
  66     /**
  67      * Get a parameter from the parsed command line
  68      * @param key OPEN_FILE_LOCATION or NO_UI
  69      * @return the value of the parameter, can be null
  70      */
  71     public String getArgument(String key) {
  72         return params.get(key);
  73     }
  74
  75 }