org.openqa.selenium.server.browserlaunchers.ProcessorCommands Maven / Gradle / Ivy

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package org.openqa.selenium.server.browserlaunchers;

import com.google.common.base.Joiner;
import com.google.common.collect.Maps;

import com.thoughtworks.selenium.CommandProcessor;
import com.thoughtworks.selenium.Selenium;
import com.thoughtworks.selenium.SeleniumException;

import java.lang.reflect.Method;
import java.util.Map;

class ProcessorCommands {

  Map> commandsToResultTypes = Maps.newHashMap();
  Map, ProcessorFragment> commandHandlers = Maps.newHashMap();

  public ProcessorCommands() {
    for (Method method : Selenium.class.getMethods()) {
      commandsToResultTypes.put(method.getName(), method.getReturnType());
    }

    commandHandlers.put(boolean.class, new ProcessorFragment() {
      public String execute(CommandProcessor processor, String commandName, String[] args) {
        boolean value = processor.getBoolean(commandName, args);
        return String.valueOf(value);
      }
    });

    commandHandlers.put(Number.class, new ProcessorFragment() {
      public String execute(CommandProcessor processor, String commandName, String[] args) {
        Number value = processor.getNumber(commandName, args);
        return String.valueOf(value);
      }
    });

    commandHandlers.put(String.class, new ProcessorFragment() {
      public String execute(CommandProcessor processor, String commandName, String[] args) {
        return processor.getString(commandName, args);
      }
    });

    commandHandlers.put(String[].class, new ProcessorFragment() {
      public String execute(CommandProcessor processor, String commandName, String[] args) {
        String[] value = processor.getStringArray(commandName, args);
        return Joiner.on(",").join(value);
      }
    });

    commandHandlers.put(void.class, new ProcessorFragment() {
      public String execute(CommandProcessor processor, String commandName, String[] args) {
        processor.doCommand(commandName, args);
        return null;
      }
    });

  }

  public String execute(CommandProcessor processor, String command, String[] args) {
    Class returnType = commandsToResultTypes.get(command);

    if (returnType == null) {
      throw new SeleniumException(
          "Method is not present on Selenium interface: " + command);
    }

    ProcessorFragment fragment = commandHandlers.get(returnType);

    return fragment.execute(processor, command, args);
  }
}