javax.servlet.http.HttpSession.getAttributeNames()方法的使用及代码示例

x33g5p2x  于2022-01-19 转载在 其他  
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本文整理了Java中javax.servlet.http.HttpSession.getAttributeNames()方法的一些代码示例，展示了HttpSession.getAttributeNames()的具体用法。这些代码示例主要来源于Github/Stackoverflow/Maven等平台，是从一些精选项目中提取出来的代码，具有较强的参考意义，能在一定程度帮忙到你。HttpSession.getAttributeNames()方法的具体详情如下：
包路径：javax.servlet.http.HttpSession
类名称：HttpSession
方法名：getAttributeNames

HttpSession.getAttributeNames介绍

[英]Returns an Enumeration of String objects containing the names of all the objects bound to this session.
[中]返回Enumeration个String对象，其中包含绑定到此会话的所有对象的名称。

代码示例

代码示例来源：origin: perwendel/spark

/**
 * @return an <code>Enumeration</code> of <code>String</code> objects
 * containing the names of all the objects bound to this session.
 */
public Set<String> attributes() {
  TreeSet<String> attributes = new TreeSet<>();
  Enumeration<String> enumeration = session.getAttributeNames();
  while (enumeration.hasMoreElements()) {
    attributes.add(enumeration.nextElement());
  }
  return attributes;
}

代码示例来源：origin: thymeleaf/thymeleaf

@Override
public boolean isEmpty() {
  if (this.session == null) {
    return true;
  }
  final Enumeration<String> attributeNames = this.session.getAttributeNames();
  return !attributeNames.hasMoreElements();
}

代码示例来源：origin: Atmosphere/atmosphere

public FakeHttpSession copyAttributes(HttpSession httpSession) {
  Enumeration<String> e = httpSession.getAttributeNames();
  String k;
  while (e.hasMoreElements()) {
    k = e.nextElement();
    if (k == null) continue;
    Object o = httpSession.getAttribute(k);
    if (o == null) continue;
    attributes.put(k, o);
  }
  return this;
}

代码示例来源：origin: spring-projects/spring-session

@Override
  public void doFilter(HttpServletRequest wrappedRequest) {
    assertThat(wrappedRequest.getSession().getAttribute(ATTR))
        .isEqualTo(VALUE);
    assertThat(
        Collections.list(wrappedRequest.getSession().getAttributeNames()))
            .containsOnly(ATTR);
  }
});

代码示例来源：origin: nutzam/nutz

public static String dumpSessionAttributes(HttpSession session) {
  StringBuilder sb = new StringBuilder();
  Enumeration<?> en = session.getAttributeNames();
  while (en.hasMoreElements()) {
    String name = (String) en.nextElement();
    sb.append("[" + name + "]: " + session.getAttribute(name) + '\n');
  }
  return sb.toString();
}

代码示例来源：origin: Red5/red5-server

/** {@inheritDoc} */
public void removeAttributes() {
  // synchronize to prevent parallel modifications
  synchronized (session) {
    final Enumeration<String> names = session.getAttributeNames();
    while (names.hasMoreElements()) {
      session.removeAttribute(names.nextElement());
    }
  }
}

代码示例来源：origin: org.freemarker/freemarker

public boolean isEmpty()
  throws TemplateModelException {
    checkSessionExistence();
    return session == null || !session.getAttributeNames().hasMoreElements();
  }
}

代码示例来源：origin: spring-projects/spring-session

@Override
  public void doFilter(HttpServletRequest wrappedRequest) {
    wrappedRequest.getSession().setAttribute(ATTR, VALUE);
    assertThat(wrappedRequest.getSession().getAttribute(ATTR))
        .isEqualTo(VALUE);
    assertThat(
        Collections.list(wrappedRequest.getSession().getAttributeNames()))
            .containsOnly(ATTR);
  }
});

代码示例来源：origin: Red5/red5-server

/** {@inheritDoc} */
public Map<String, Object> getAttributes() {
  final Map<String, Object> result = new HashMap<String, Object>();
  // Synchronize to prevent parallel modifications
  synchronized (session) {
    final Enumeration<String> names = session.getAttributeNames();
    while (names.hasMoreElements()) {
      final String name = names.nextElement();
      result.put(name, session.getAttribute(name));
    }
  }
  return Collections.unmodifiableMap(result);
}

代码示例来源：origin: thymeleaf/thymeleaf

@Override
public int size() {
  if (this.session == null) {
    return 0;
  }
  int size = 0;
  final Enumeration<String> attributeNames = this.session.getAttributeNames();
  while (attributeNames.hasMoreElements()) {
    attributeNames.nextElement();
    size++;
  }
  return size;
}

代码示例来源：origin: spring-projects/spring-framework

@Test
public void handleAndCompleteSession() throws Exception {
  HandlerMethod handlerMethod = handlerMethod("handleAndCompleteSession", SessionStatus.class);
  handlerAdapter.handle(request, response, handlerMethod);
  assertFalse(request.getSession().getAttributeNames().hasMoreElements());
}

代码示例来源：origin: javamelody/javamelody

session.getLastAccessedTime() + session.getMaxInactiveInterval() * 1000L);
final List<String> attributeNames = Collections.list(session.getAttributeNames());
attributeCount = attributeNames.size();
serializable = computeSerializable(session, attributeNames);
final Object countryCode = session.getAttribute(SessionListener.SESSION_COUNTRY_KEY);
if (countryCode == null) {
  country = null;
final Object addr = session.getAttribute(SessionListener.SESSION_REMOTE_ADDR);
if (addr == null) {
  remoteAddr = null;
Object user = session.getAttribute(SessionListener.SESSION_REMOTE_USER);
if (user == null) {

代码示例来源：origin: thymeleaf/thymeleaf

@Override
public Collection<Object> values() {
  if (this.session == null) {
    return Collections.emptySet();
  }
  final List<Object> values = new ArrayList<Object>(5);
  final Enumeration<String> attributeNames = this.session.getAttributeNames();
  while (attributeNames.hasMoreElements()) {
    values.add(this.session.getAttribute(attributeNames.nextElement()));
  }
  return values;
}

代码示例来源：origin: Red5/red5-server

/** {@inheritDoc} */
public Set<String> getAttributeNames() {
  final Set<String> result = new HashSet<String>();
  // Synchronize to prevent parallel modifications
  synchronized (session) {
    final Enumeration<String> names = session.getAttributeNames();
    while (names.hasMoreElements()) {
      result.add(names.nextElement());
    }
  }
  return Collections.unmodifiableSet(result);
}

代码示例来源：origin: psi-probe/psi-probe

for (String name : Collections.list(httpSession.getAttributeNames())) {
 Object obj = httpSession.getAttribute(name);
 sessionSerializable = sessionSerializable && obj instanceof Serializable;
  (String) httpSession.getAttribute(ApplicationSession.LAST_ACCESSED_BY_IP);
if (lastAccessedIp != null) {
 sbean.setLastAccessedIp(lastAccessedIp);
 sbean.setLastAccessedIpLocale(
   (Locale) httpSession.getAttribute(ApplicationSession.LAST_ACCESSED_LOCALE));

代码示例来源：origin: looly/hutool

/**
 * 将Session中的值放入模板上下文
 * @param context 模板上下文
 * @param session Session
 * @return VelocityContext
 */
public static VelocityContext parseSession(VelocityContext context, javax.servlet.http.HttpSession session) {
  if (null != session) {
    final Enumeration<String> sessionAttrs = session.getAttributeNames();
    if (sessionAttrs != null) {
      String attrName = null;
      while (sessionAttrs.hasMoreElements()) {
        attrName = sessionAttrs.nextElement();
        context.put(attrName, session.getAttribute(attrName));
      }
    }
  }
  return context;
}

代码示例来源：origin: thymeleaf/thymeleaf

@Override
public Set<String> keySet() {
  if (this.session == null) {
    return Collections.emptySet();
  }
  final Set<String> keySet = new LinkedHashSet<String>(5);
  final Enumeration<String> attributeNames = this.session.getAttributeNames();
  while (attributeNames.hasMoreElements()) {
    keySet.add(attributeNames.nextElement());
  }
  return keySet;
}

代码示例来源：origin: pac4j/jax-rs-pac4j

@Override
public boolean renewSession(JaxRsContext context) {
  final HttpSession session = getHttpSession(context);
  final Map<String, Object> attributes = new HashMap<>();
  Collections.list(session.getAttributeNames()).forEach(k -> attributes.put(k, session.getAttribute(k)));
  session.invalidate();
  // let's recreate the session from zero, the previous becomes
  // generally unusable depending on the servlet implementation
  final HttpSession newSession = getHttpSession(context);
  attributes.forEach(newSession::setAttribute);
  
  return true;
}

代码示例来源：origin: looly/hutool

/**
 * 将Session中的值放入模板上下文
 * @param context 模板上下文
 * @param session Session
 * @return VelocityContext
 */
public static VelocityContext parseSession(VelocityContext context, javax.servlet.http.HttpSession session) {
  if (null != session) {
    final Enumeration<String> sessionAttrs = session.getAttributeNames();
    if (sessionAttrs != null) {
      String attrName = null;
      while (sessionAttrs.hasMoreElements()) {
        attrName = sessionAttrs.nextElement();
        context.put(attrName, session.getAttribute(attrName));
      }
    }
  }
  return context;
}

代码示例来源：origin: apache/shiro

public Collection<Object> getAttributeKeys() throws InvalidSessionException {
  try {
    Enumeration namesEnum = httpSession.getAttributeNames();
    Collection<Object> keys = null;
    if (namesEnum != null) {
      keys = new ArrayList<Object>();
      while (namesEnum.hasMoreElements()) {
        keys.add(namesEnum.nextElement());
      }
    }
    return keys;
  } catch (Exception e) {
    throw new InvalidSessionException(e);
  }
}

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