Package org.mvel2.sh

Examples of org.mvel2.sh.CommandException

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      for (String var : env.keySet()) {
        System.out.println(var + " = " + env.get(var));
      }
    }
    else if (args.length == 1) {
      throw new CommandException("incorrect number of parameters");
    }
    else {
      StringAppender sbuf = new StringAppender();
      for (int i = 1; i < args.length; i++) {
        sbuf.append(args[i]);
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    else if ("..".equals(args[0])) {
      if (cwd.getParentFile() != null) {
        cwd = cwd.getParentFile();
      }
      else {
        throw new CommandException("already at top-level directory");
      }
    }
    else if (args[0].charAt(0) == '/') {
      cwd = new File(args[0]);
      if (!cwd.exists()) {
        throw new CommandException("no such directory: " + args[0]);
      }
    }
    else {
      cwd = new File(cwd.getAbsolutePath() + "/" + args[0]);
      if (!cwd.exists()) {
        throw new CommandException("no such directory: " + args[0]);
      }
    }

    session.getEnv().put("$CWD", cwd.getAbsolutePath());
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public class DirList implements Command {
  public Object execute(ShellSession session, String[] args) {
    File current = new File(session.getEnv().get("$CWD"));

    if (!current.isDirectory())
      throw new CommandException("cannot list directory : " + session.getEnv().get("$CWD") + " is not a directory");

    File[] files = current.listFiles();

    if (files.length == 0) return null;
    else {
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    }

    @Override
    public void load(String name, String view) {
        // compile the template
        CompiledTemplate compiled = TemplateCompiler.compileTemplate(view);
        registry.addNamedTemplate(name, compiled);
    }
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    protected static String JAVA_RULE_MVEL             = "javaRule.mvel";
    protected static String JAVA_INVOKERS_MVEL         = "javaInvokers.mvel";

    public static void setConsequenceTemplate( String name ) {
        JAVA_RULE_MVEL = name;
        RULE_REGISTRY = new SimpleTemplateRegistry();
    }
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        RULE_REGISTRY = new SimpleTemplateRegistry();
    }

    public static void setInvokerTemplate( String name ) {
        JAVA_INVOKERS_MVEL = name;
        INVOKER_REGISTRY = new SimpleTemplateRegistry();
    }
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                                 final ProcessBuildContext context,
                                 final String className,
                                 final Map vars,
                                 final Object invokerLookup,
                                 final BaseDescr descrLookup) {
        TemplateRegistry registry = getRuleTemplateRegistry();

        context.getMethods().add(
                TemplateRuntime.execute(registry.getNamedTemplate(ruleTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        registry = getInvokerTemplateRegistry();
        final String invokerClassName = context.getPkg().getName() + "." + context.getProcessDescr().getClassName() + StringUtils.ucFirst(className) + "Invoker";

        context.getInvokers().put(invokerClassName,
                TemplateRuntime.execute(registry.getNamedTemplate(invokerTemplate), null, new MapVariableResolverFactory(vars), registry)
        );

        context.getInvokerLookups().put(invokerClassName,
                invokerLookup);
        context.getDescrLookups().put(invokerClassName,
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        generateMethodTemplate(ruleTemplate, context, vars);
        generateInvokerTemplate(invokerTemplate, context, className, vars, invokerLookup, descrLookup);
    }

    public static void generateMethodTemplate(final String ruleTemplate, final RuleBuildContext context, final Map vars) {
        TemplateRegistry registry = getRuleTemplateRegistry(context.getPackageBuilder().getRootClassLoader());

        context.addMethod((String) TemplateRuntime.execute( registry.getNamedTemplate(ruleTemplate),
                                                            null,
                                                            new MapVariableResolverFactory(vars),
                                                            registry) );
    }
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                                               final RuleBuildContext context,
                                               final String className,
                                               final Map vars,
                                               final Object invokerLookup,
                                               final BaseDescr descrLookup) {
        TemplateRegistry registry = getInvokerTemplateRegistry(context.getPackageBuilder().getRootClassLoader());
        final String invokerClassName = context.getPkg().getName() + "." + context.getRuleDescr().getClassName() + StringUtils.ucFirst( className ) + "Invoker";

        context.getInvokers().put( invokerClassName,
                                   (String) TemplateRuntime.execute( registry.getNamedTemplate( invokerTemplate ),
                                                                     null,
                                                                     new MapVariableResolverFactory( vars ),
                                                                     registry ) );

        context.getInvokerLookups().put( invokerClassName,
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        String[] allVars = new String[varNames.length + locals.length];

        System.arraycopy(varNames, 0, allVars, 0, varNames.length);
        System.arraycopy(locals, 0, allVars, varNames.length, locals.length);       
       
        this.varModel = new SimpleVariableSpaceModel(allVars);
        this.allVarsLength = allVars.length;
       
        return stmt;
    }
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