sunemulator.java

来自「MoMEUnit是一个单元测试的J2ME的应用程序xUnit架构实例。这是来自J」· Java 代码 · 共 135 行

package org.momeunit.ant.emulator;

import java.io.File;
import java.io.IOException;
import java.util.Enumeration;

import org.apache.tools.ant.BuildException;
import org.apache.tools.ant.Location;
import org.apache.tools.ant.Project;
import org.momeunit.ant.core.Utility;

/**
 * Emulator that runs Sun WTK <code>emulator</code> tool.
 * 
 * @author Sergio Morozov
 * @version 1.1.2
 */
public class SunEmulator extends Emulator
{

  /**
   * Array of emulator executables tested.
   */
  private static final String[] EXECUTABLES = { "bin/emulator",
      "bin/emulatorw.exe", "bin/emulator.exe" };

  /**
   * Instantiates Sun emulator with given WTK home directory.
   * 
   * @param wtkHome
   *          WTK home directory.
   * @since 1.1
   */
  public SunEmulator(File wtkHome)
  {
    super(wtkHome);
  }

  /**
   * Instantiates Sun emulator.
   * 
   * @since 1.1
   */
  public SunEmulator()
  {
    this(null);
  }

  /**
   * Starts Sun WTK <code>emulator</code> tool.
   * 
   * @param midletClass
   *          classname of midlet to start. Can be <code>null</code>.
   * @param jad
   *          JAD descriptor of application to run. Can't be <code>null</code>.
   * @param jar
   *          Jar archive of application to run. Not used in this version.
   * @return {@link Process} associated with running emulator.
   * @since 1.1
   */
  public Process execute(String midletClass, File jad, File jar)
  {
    if (jad == null) throw new NullPointerException("jad");
    if (getWtkHome() == null) throw new NullPointerException("wtkHome");
    StringBuffer sb = new StringBuffer();
    sb.append(getExecutable());
    if (getClasspath() != null && getClasspath().size() > 0) sb.append(
        " -classpath ").append(getClasspath().toString());
    sb.append(" -Xdescriptor ").append(jad.getAbsolutePath());
    for (Enumeration e = enumeratePropertyNames(); e.hasMoreElements();)
    {
      String name = (String) e.nextElement();
      String value = getProperty(name);
      if (name.equals("device"))
      {
        if (value.length() > 0) sb.append(" -Xdevice:").append(value);
      } else if (name.equals("debug")) sb.append(" -Xdebug");
      else if (name.equals("runjdwp"))
      {
        if (value.length() > 0) sb.append(" -Xdebug -Xrunjdwp:").append(value);
      } else if (name.equals("verbose"))
      {
        sb.append(" -Xverbose");
        if (value.length() > 0) sb.append(':').append(value);
      } else if (name.equals("heapsize")) sb.append(" -Xheapsize:").append(
          value);
      else if (name.equals("ota.install")) sb.append(" -Xjam:install=").append(
          value);
      else if (name.equals("ota.run")) sb.append(" -Xjam:run=").append(value);
      else if (name.equals("ota.remove")) sb.append(" -Xjam:remove=").append(
          value);
      else if (name.equals("ota.transient")) sb.append(" -Xjam:transient=")
          .append(value);
      else if (name.equals("ota")) sb.append(" -Xjam:transient=").append(value);
      else sb.append(" -D").append(name).append('=').append(value);
    }
    if (midletClass != null) sb.append(' ').append(midletClass);
    Process res = null;
    try
    {
      Utility.log(getTask(), "Emulator command-line " + sb.toString(),
          Project.MSG_VERBOSE);
      res = Runtime.getRuntime().exec(sb.toString());
    } catch (IOException e)
    {
      throw new BuildException("Error executing emulator.", e,
          getTask() != null ? getTask().getLocation()
              : Location.UNKNOWN_LOCATION);
    }
    return res;
  }

  /**
   * Returns existent executable of Sun WTK <code>emulator</code> tool.
   * 
   * @return existent executable of Sun WTK <code>emulator</code> tool.
   * @throws BuildException
   *           if no executable found.
   * @since 1.1
   */
  public String getExecutable()
  {
    String res = null;
    for (int i = 0; i < EXECUTABLES.length; i++)
    {
      File executable = new File(getWtkHome().getAbsolutePath() + '/'
          + EXECUTABLES[i]);
      if (executable.exists() && executable.isFile()) res = executable
          .getAbsolutePath();
    }
    if (res == null) throw new BuildException("No emulator found.");
    return res;
  }
}