Remoting: lot of fixes

[jvcard.git] / src / be / nikiroo / jvcard / remote / CommandInstance.java

diff --git a/src/be/nikiroo/jvcard/remote/CommandInstance.java b/src/be/nikiroo/jvcard/remote/CommandInstance.java
new file mode 100644 (file)
index 0000000..446b194
--- /dev/null
+++ b/src/be/nikiroo/jvcard/remote/CommandInstance.java
@@ -0,0 +1,119 @@
+package be.nikiroo.jvcard.remote;
+
+public class CommandInstance {
+       private Command cmd;
+       private int version;
+       private String param;
+
+       /**
+        * Create a new, empty {@link CommandInstance} with the given
+        * {@link Command} and version.
+        * 
+        * @param command
+        *            the {@link Command}
+        * @param version
+        *            the version
+        */
+       public CommandInstance(Command command, int version) {
+               this(command, null, version);
+       }
+
+       /**
+        * Create a new, empty {@link CommandInstance} with the given
+        * {@link Command} and version.
+        * 
+        * @param cmd
+        *            the {@link Command}
+        * @param version
+        *            the version
+        */
+       public CommandInstance(Command cmd, String param, int version) {
+               this.cmd = cmd;
+               this.version = version;
+               this.param = param;
+       }
+
+       /**
+        * Read a command line (starting with a {@link Command}) and process its
+        * content here in a more readable format.
+        * 
+        * @param input
+        *            the command line
+        * @param version
+        *            the version (which can be overrided by a
+        *            {@link Command#VERSION} command)
+        */
+       public CommandInstance(String input, int version) {
+               this.version = version;
+
+               if (input != null) {
+                       String v = input;
+                       int indexSp = input.indexOf(" ");
+                       if (indexSp >= 0) {
+                               v = input.substring(0, indexSp);
+                       }
+
+                       for (Command command : Command.values()) {
+                               if (v.equals(command.name())) {
+                                       this.cmd = command;
+                               }
+                       }
+
+                       if (cmd != null) {
+                               String param = null;
+                               if (indexSp >= 0)
+                                       param = input.substring(indexSp + 1);
+
+                               this.param = param;
+
+                               if (cmd == Command.VERSION) {
+                                       try {
+                                               version = Integer.parseInt(param);
+                                       } catch (NumberFormatException e) {
+                                               e.printStackTrace();
+                                       }
+                               }
+                       }
+               }
+       }
+
+       /**
+        * Return the version
+        * 
+        * @return the version
+        */
+       public int getVersion() {
+               return version;
+       }
+
+       /**
+        * Return the {@link Command}
+        * 
+        * @return the {@link Command}
+        */
+       public Command getCommand() {
+               return cmd;
+       }
+
+       /**
+        * Return the parameter of this {@link CommandInstance} if any.
+        * 
+        * @return the parameter or NULL
+        */
+       public String getParam() {
+               return param;
+       }
+
+       @Override
+       public String toString() {
+               if (cmd == null)
+                       return "[null command]";
+
+               switch (cmd) {
+               case VERSION:
+                       return cmd.name() + " " + version;
+               default:
+                       return cmd.name() + (param == null ? "" : " " + param);
+               }
+       }
+}