webservices/compbio/ws/client/CmdHelper.java

   1 package compbio.ws.client;\r
   2 import static compbio.ws.client.Constraints.hostkey;\r
   3 import static compbio.ws.client.Constraints.limitList;\r
   4 import static compbio.ws.client.Constraints.listServices;\r
   5 import static compbio.ws.client.Constraints.paramList;\r
   6 import static compbio.ws.client.Constraints.presetList;\r
   7 import static compbio.ws.client.Constraints.presetkey;\r
   8 import static compbio.ws.client.Constraints.pseparator;\r
   9 import static compbio.ws.client.Constraints.servicekey;\r
  10 import static compbio.ws.client.Constraints.testKey;\r
  11 \r
  12 class CmdHelper {\r
  13 \r
  14         /**\r
  15          * Check whether presetList is set in the command line\r
  16          * \r
  17          * @param cmd\r
  18          *            command line options\r
  19          * @return true if presetList is found, false otherwise\r
  20          */\r
  21         static boolean listPresets(String[] cmd) {\r
  22                 return keyFound(cmd, presetList);\r
  23         }\r
  24 \r
  25         /**\r
  26          * Checks whether limitList parameter is in the command line\r
  27          * \r
  28          * @param cmd\r
  29          *            - command line options\r
  30          * @return true if it is, false otherwise\r
  31          */\r
  32         static boolean listLimits(String[] cmd) {\r
  33                 return keyFound(cmd, limitList);\r
  34         }\r
  35 \r
  36         /**\r
  37          * list available services\r
  38          * \r
  39          * @param cmd\r
  40          * @return\r
  41          */\r
  42         static boolean listServices(String[] cmd) {\r
  43                 return keyFound(cmd, listServices);\r
  44         }\r
  45 \r
  46         /**\r
  47          * tests service\r
  48          * \r
  49          * @param cmd\r
  50          * @return\r
  51          */\r
  52         static boolean testService(String[] cmd) {\r
  53                 return keyFound(cmd, testKey);\r
  54         }\r
  55 \r
  56         /**\r
  57          * Checks whether the key is in the command line\r
  58          * \r
  59          * @param cmd\r
  60          * @param key\r
  61          * @return true if it is, false otherwise\r
  62          */\r
  63         static boolean keyFound(String[] cmd, String key) {\r
  64                 assert cmd != null && cmd.length > 0;\r
  65                 assert key != null;\r
  66                 for (int i = 0; i < cmd.length; i++) {\r
  67                         String listPresets = cmd[i];\r
  68                         if (listPresets.trim().equalsIgnoreCase(key)) {\r
  69                                 return true;\r
  70                         }\r
  71                 }\r
  72                 return false;\r
  73         }\r
  74 \r
  75         /**\r
  76          * Extracts preset name from the command line is any\r
  77          * \r
  78          * @param cmd\r
  79          *            command line options\r
  80          * @return presetName or null if no presets is defined\r
  81          */\r
  82         static String getPresetName(String[] cmd) {\r
  83                 String preset = null;\r
  84                 for (int i = 0; i < cmd.length; i++) {\r
  85                         String presetPrm = cmd[i];\r
  86                         if (presetPrm.trim().toLowerCase()\r
  87                                         .startsWith(presetkey + pseparator)) {\r
  88                                 preset = presetPrm.substring(presetPrm.indexOf(pseparator) + 1);\r
  89                                 break;\r
  90                         }\r
  91                 }\r
  92                 return preset;\r
  93         }\r
  94 \r
  95         /**\r
  96          * Extracts service name from the command line\r
  97          * \r
  98          * @param cmd\r
  99          *            command line options\r
 100          * @return service name or null if it is not defined\r
 101          */\r
 102         public static String getServiceName(String[] cmd) {\r
 103                 for (int i = 0; i < cmd.length; i++) {\r
 104                         String serv = cmd[i];\r
 105                         if (serv.trim().toLowerCase().startsWith(servicekey + pseparator)) {\r
 106                                 return serv.substring(serv.indexOf(pseparator) + 1);\r
 107                         }\r
 108                 }\r
 109                 return null;\r
 110         }\r
 111 \r
 112         /**\r
 113          * Extracts host name from the command line\r
 114          * \r
 115          * @param cmd\r
 116          *            command line options\r
 117          * @return host name or null if it is not defined\r
 118          */\r
 119         public static String getHost(String[] cmd) {\r
 120                 for (int i = 0; i < cmd.length; i++) {\r
 121                         String host = cmd[i];\r
 122                         if (host.trim().toLowerCase().startsWith(hostkey + pseparator)) {\r
 123                                 return host.substring(host.indexOf(pseparator) + 1);\r
 124                         }\r
 125                 }\r
 126                 return null;\r
 127         }\r
 128 \r
 129         /**\r
 130          * Searches the command line keys in the array of parameters\r
 131          * \r
 132          * @param cmd\r
 133          *            command line options\r
 134          * @return true is the list of Parameters is requested, false otherwise\r
 135          */\r
 136         static boolean listParameters(String[] cmd) {\r
 137                 return keyFound(cmd, paramList);\r
 138         }\r
 139 \r
 140 }\r