env.java

来自「RESIN 3.2 最新源码」· Java 代码 · 共 3,016 行 · 第 1/5 页

    _removePaths.add(path);
  }

  /**
   * Returns the request.
   */
  public HttpServletRequest getRequest()
  {
    return _request;
  }

  /**
   * Returns the most recently modified time of all of the {@link Path}'s that
   * have been used for this Env, or 0 if that cannot be determined.
   */
  /*
  public long getLastModified()
  {
    long lastModified = 0;

    if (_page != null) {
      Path pagePath = _page.getSelfPath(this);

      if (pagePath != null)
        lastModified = pagePath.getLastModified();
    }

    for (Path includePath : _includeSet) {
      long includeLastModified = includePath.getLastModified();

      if (lastModified < includeLastModified)
        lastModified = includeLastModified;
    }

    return lastModified;
  }
  */

  /**
   * Returns the response.
   */
  public HttpServletResponse getResponse()
  {
    return _response;
  }

  /**
   * Sets the session callback.
   */
  public void setSessionCallback(SessionCallback callback)
  {
    _sessionCallback = callback;
  }

  /**
   * Gets the session callback.
   */
  public SessionCallback getSessionCallback()
  {
    return _sessionCallback;
  }

  /**
   * Returns the session.
   */
  public SessionArrayValue getSession()
  {
    return _session;
  }

  /**
   * Returns the Java Http session.
   */
  public HttpSession getJavaSession()
  {
    return _javaSession;
  }

  /**
   * Sets the session.
   */
  public void setSession(SessionArrayValue session)
  {
    _session = session;

    if (session != null) {
      Value var = getGlobalVar("_SESSION");
      
      if (! (var instanceof SessionVar)) {
	var = new SessionVar();
	setGlobalValue("_SESSION", var);
      }

      var.set(session);

      setGlobalValue("HTTP_SESSION_VARS", session);

      session.addUse();
    }
    else {
      // php/1k0v
      Value v = getGlobalVar("_SESSION");

      if (v != null)
        v.set(UnsetValue.UNSET);

      v = getGlobalVar("HTTP_SESSION_VARS");

      if (v != null)
        v.set(UnsetValue.UNSET);
    }
  }

  /**
   * Returns a new session id.
   */
  public String generateSessionId()
  {
    String sessionId = 
      _quercus.getQuercusSessionManager().createSessionId(this);

    if (_javaSession != null)
      sessionId = _javaSession.getId().substring(0, 3) + sessionId.substring(3);

    return sessionId;
  }

  /**
   * Create the session.
   */
  public SessionArrayValue createSession(String sessionId, boolean create)
  {
    long now = Alarm.getCurrentTime();

    SessionCallback callback = getSessionCallback();

    _javaSession = _request.getSession(true);

    if (create && _javaSession.getId().length() >= 3
               && sessionId.length() >= 3)
      sessionId = _javaSession.getId().substring(0, 3) + sessionId.substring(3);

    SessionArrayValue session = _quercus.loadSession(this, sessionId);

    if (callback != null) {
      StringValue value = callback.read(this, sessionId);

      if (value != null && value.length() != 0) {
        Value unserialize = VariableModule.unserialize(this, value);

        if (unserialize instanceof ArrayValue) {
          ArrayValue arrayValue = (ArrayValue) unserialize;

          session.reset(now);
          session.putAll(arrayValue);
        }
      }
    }

    setSession(session);

    return session;
  }

  /**
   * Destroy the session.
   */
  public void destroySession(String sessionId)
  {
    SessionCallback callback = getSessionCallback();

    if (callback != null) {
      callback.destroy(this, sessionId);
    }
    else {
      _quercus.destroySession(sessionId);
    }

    setSession(null);
  }

  /**
   * Returns the logger used for syslog.
   */
  public Logger getLogger()
  {
    if (_logger == null)
      _logger = Logger.getLogger("quercus.quercus");

    return _logger;
  }

  /**
   * Returns the configuration value of an init var.
   */
  public Value getConfigVar(String name)
  {
    return getIniDefinition(name).getValue(_quercus);
  }

  /**
   * Returns a map of the ini values that have been explicitly set.
   */
  public IdentityHashMap<String, Value> getIniMap(boolean create)
  {
    if (_iniMap == null && create)
      _iniMap = new IdentityHashMap<String,Value>();

    return _iniMap;
  }

  /**
   * Sets an ini value.
   */
  public StringValue setIni(String name, Value value)
  {
    _iniCount++;
    
    StringValue oldValue = getIni(name);

    getIniDefinition(name).set(this, value);

    return oldValue;
  }

  /**
   * Sets an ini value.
   */
  public StringValue setIni(String name, String value)
  {
    _iniCount++;
    
    StringValue oldValue = getIni(name);

    getIniDefinition(name).set(this, value);

    return oldValue;
  }

  /**
   * Returns an ini value.
   */
  public StringValue getIni(String name)
  {
    return getIniDefinition(name).getAsStringValue(this);
  }

  private IniDefinition getIniDefinition(String name)
  {
    return _quercus.getIniDefinitions().get(name);
  }

  /**
   * Returns an ini value.
   */
  public boolean getIniBoolean(String name)
  {
    return getIniDefinition(name).getAsBoolean(this);
  }

  /**
   * Returns an ini value as a long.
   */
  public long getIniLong(String name)
  {
    return getIniDefinition(name).getAsLong(this);
  }

  /**
   * Returns an ini value as a string, null for missing or empty string
   */
  public String getIniString(String name)
  {
    return getIniDefinition(name).getAsString(this);
  }

  /**
   * Returns an ini value.
   */
  public long getIniBytes(String name, long deflt)
  {
    return getIniDefinition(name).getAsLongBytes(this, deflt);
  }

  /**
   * Returns the ByteToChar converter.
   */
  public ByteToChar getByteToChar()
  {
    return ByteToChar.create();
  }

  /**
   * Returns the 'this' value.
   */
  public Value getThis()
  {
    return _this;
  }

  /**
   * Sets the 'this' value, returning the old value.
   */
  public Value setThis(Value value)
  {
    Value oldThis = _this;

    _this = value.toValue();

    return oldThis;
  }

  /**
   * Gets a value.
   */
  public Value getValue(String name)
  {
    Var var = getRef(name);

    if (var != null)
      return var.toValue();
    else
      return NullValue.NULL;
  }

  /**
   * Gets a special value, a special value is used to store and retrieve module
   * specific values in the env using a unique name.
   */
  public Object getSpecialValue(String name)
  {
    return _specialMap.get(name);
  }

  /**
   * Gets a global
   */
  public Value getGlobalValue(String name)
  {
    Var var = getGlobalRef(name);

    if (var != null)
      return var.toValue();
    else
      return NullValue.NULL;
  }

  /**
   * Gets a variable
   *
   * @param name the variable name
   * @param var the current value of the variable
   */
  public final Var getVar(String name, Value value)
  {
    if (value != null)
      return (Var) value;
    
    Var var = _map.get(name);

    if (var != null)
      return var;

    var = getRef(name);

    if (var == null) {
      var = new Var();

      if (_map == _globalMap)
        var.setGlobal();

      _map.put(name, var);
    }

    return var;
  }

  /**
   * Gets a variable
   *
   * @param name the variable name
   * @param value the current value of the variable
   */
  public final Var getGlobalVar(String name, Value value)
  {
    if (value != null)
      return (Var) value;

    Var var = _globalMap.get(name);

    if (var != null)
      return var;

    var = getSpecialRef(name);

    if (var == null) {
      var = new Var();
      var.setGlobal();
    }
    
    _globalMap.put(name, var);

    return var;
  }

  /**
   * Gets a static variable name.
   */
  public final String createStaticName()
  {
    return _quercus.createStaticName();
  }

  /**
   * Gets a static variable
   *
   * @param name the variable name
   */
  public final Var getStaticVar(String name)
  {
    Var var = _staticMap.get(name);

    if (var == null) {
      var = new Var();
      var.setGlobal();
      _staticMap.put(name, var);
    }

    return var;
  }

  /**
   * Unsets variable
   *
   * @param name the variable name
   */
  public final Var unsetVar(String name)
  {
    _map.remove(name);

    return null;
  }

  /**
   * Gets a variable
   *
   * @param name the variable name
   * @param value the current value of the variable
   */
  public final Var setVar(String name, Value value)
  {
    Var var;

    if (value instanceof Var) {
      var = (Var) value;

      if (_map == _globalMap)
        var.setGlobal();
    }
    else
      var = new Var(value.toValue());

    _map.put(name, var);

    return var;
  }

  /**
   * Unsets variable
   *
   * @param name the variable name
   */
  public final Var unsetLocalVar(String name)
  {
    _map.remove(name);

    return null;
  }

  /**
   * Unsets variable
   *
   * @param name the variable name
   */
  public final Var unsetGlobalVar(String name)
  {
    Var oldVar = _globalMap.remove(name);

    if (oldVar != null)
      oldVar.set(UnsetValue.UNSET);

    return null;
  }

  /**
   * Gets a local
   *
   * @param var the current value of the variable
   */
  public static final Value getLocalVar(Value var)
  {
    if (var == null)
      var = new Var();

    return var;
  }

  /**
   * Gets a local value
   *
   * @param var the current value of the variable
   */
  public static final Value getLocalValue(Value var)
  {
    if (var != null)
      return var;
    else
      return NullValue.NULL;
  }

  /**
   * Gets a local
   *
   * @param var the current value of the variable
   */
  public static final Value setLocalVar(Value var, Value value)
  {
    value = value.toValue();

    if (var instanceof Var)
      var.set(value);

    return value;
  }

  /**
   * Gets a value.
   */
  public Var getRef(String name)
  {
    Var var = _map.get(name);

    if (var == null) {
      var = getSpecialRef(name);

      if (var != null) {
        var.setGlobal();
        _globalMap.put(name, var);

        var = _map.get(name);
      }
    }

    return var;
  }

  /**
   * Returns the raw global lookup.
   */
  public Var getGlobalRaw(String name)
  {
    return _globalMap.get(name);
  }
  
  /**
   * Gets a global value.
   */
  public Var getGlobalRef(String name)
  {
    Var var = _globalMap.get(name);

    if (var == null) {
      var = getSpecialRef(name);
      if (var == null)
	var = new Var();
      
      _globalMap.put(name, var);
    }

    return var;
  }

  /**
   * Gets a value.
   */
  public Var getSpecialRef(String name)
  {
    Var var = null;

    switch (SPECIAL_VARS.get(name)) {
    case _ENV: {
      var = new Var();

      _globalMap.put(name, var);

      var.set(new ArrayValueImpl());

      return var;
    }

    case HTTP_POST_VARS:
      if (! Quercus.INI_REGISTER_LONG_ARRAYS.getAsBoolean(this))
	return null;
    case _POST: {