1 files changed, 80 insertions, 0 deletions
diff --git a/src/org/libreoffice/tools/options/Command.java b/src/org/libreoffice/tools/options/Command.java
new file mode 100644
index 0000000..2dd9095
--- /dev/null
+++ b/src/org/libreoffice/tools/options/Command.java
@@ -0,0 +1,80 @@
+package org.libreoffice.tools.options;
+
+import java.util.Collection;
+import java.util.HashMap;
+
+import org.apache.commons.cli.CommandLine;
+import org.apache.commons.cli.CommandLineParser;
+import org.apache.commons.cli.Option;
+import org.apache.commons.cli.OptionGroup;
+import org.apache.commons.cli.Options;
+import org.apache.commons.cli.ParseException;
+
+public class Command {
+
+    private HashMap< String, SubCommand > mCommands;
+    private Options mCommonOptions;
+    
+    public Command( ) {
+        mCommands = new HashMap<String, SubCommand>();
+    }
+    
+    public void addCommand( SubCommand pCommand ) {
+        if ( !mCommands.containsKey( pCommand.getName() ) ) {
+            mCommands.put( pCommand.getName(), pCommand );
+        }
+    }
+    
+    public void removeCommand( String pCommandName ) {
+        mCommands.remove( pCommandName );
+    }
+    
+    public Collection< SubCommand > getCommands( ) {
+        return mCommands.values();
+    }
+    
+    public void setCommonOptions( Options pOptions ) {
+        mCommonOptions = pOptions;
+    }
+    
+    public Options getCommonOptions( ) {
+        return mCommonOptions;
+    }
+    
+    public SubcommandLine parse( String[] pArguments, CommandLineParser pParser ) throws ParseException {
+        if ( pArguments.length < 1 ) {
+            throw new ParseException( "No sub-command" );
+        }
+        String subcommand = pArguments[0];
+        
+        // Compute the final options list: common + subcommand
+        Options allOptions = new Options();
+        addAllOptions( allOptions, mCommonOptions );
+        
+        SubCommand def = mCommands.get( subcommand );
+        if ( def == null ) {
+            throw new ParseException( "Invalid sub-command: " + subcommand );
+        }
+        
+        addAllOptions( allOptions, def.getOptions() );
+        
+        // Get only the subcommand arguments
+        String[] subCommandArguments = new String[ pArguments.length - 1 ];
+        System.arraycopy( pArguments, 1, subCommandArguments, 0, subCommandArguments.length );
+        
+        // Parse
+        CommandLine cmdline = pParser.parse( allOptions, subCommandArguments );
+        
+        return new SubcommandLine( subcommand, cmdline );
+    }
+
+    private void addAllOptions(Options pAllOptions, Options pCommonOptions) {
+        for ( Object opt : pCommonOptions.getOptions() ) {
+            if ( opt instanceof Option ) {
+                pAllOptions.addOption( ( Option ) opt );
+            } else if ( opt instanceof OptionGroup ) {
+                pAllOptions.addOptionGroup( (OptionGroup ) opt );
+            }
+        }
+    }
+}