org.zkoss.zk.ui.Execution.setAttribute()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org.zkoss.zk.ui.Execution.setAttribute()方法的一些代码示例，展示了Execution.setAttribute()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。Execution.setAttribute()方法的具体详情如下：
包路径：org.zkoss.zk.ui.Execution
类名称：Execution
方法名：setAttribute

Execution.setAttribute介绍

[英]Sets the value of the specified request attribute.
[中]

代码示例

代码示例来源：origin: org.zkoss.zk/zhtml

/**
 * Ends and cleans up the rendering of a ZHTML tag.
 * 
 * @param param
 *            the value returned by {@link #beforeRenderHtml}.
 */
public static void afterRenderTag(Execution exec, Object param) {
  if (param != null)
    exec.setAttribute(ATTR_RENDER_CONTEXT, null);
}

代码示例来源：origin: org.zkoss.zk/zuljsp

public void setAttribute(Execution exec, String name, Object value) {
  exec.setAttribute(name, value);
}
public void removeAttribute(Execution exec, String name) {

代码示例来源：origin: org.zkoss.zk/zk

private static final void setRenderContext(Execution exec, RenderContext rc) {
  exec.setAttribute(ATTR_RENDER_CONTEXT, rc);
}

代码示例来源：origin: org.zkoss.zk/zk

/** Sets whether a component can directly generate HTML tags
 * to the output.
 * @see #isDirectContent
 */
public static boolean setDirectContent(Execution exec, boolean direct) {
  return (direct ? exec.setAttribute(ATTR_DIRECT_CONTENT, Boolean.TRUE)
      : exec.removeAttribute(ATTR_DIRECT_CONTENT)) != null;
}

代码示例来源：origin: org.zkoss.zk/zul

private static void restoreDynams(Execution exec, Map<String, Object> old) {
  if (old != null)
    for (Map.Entry<String, Object> me : old.entrySet()) {
      final String nm = me.getKey();
      final Object val = me.getValue();
      if (val != null)
        exec.setAttribute(nm, val);
      else
        exec.removeAttribute(nm);
    }
}

代码示例来源：origin: org.zkoss.zk/zk

public Object setAttribute(String name, Object value) {
  return exec().setAttribute(name, value);
}

代码示例来源：origin: org.zkoss.zk/zk

public Object setAttribute(String name, Object value, boolean recurse) {
  return exec().setAttribute(name, value, recurse);
}

代码示例来源：origin: org.zkoss.zk/zul

private Map<String, Object> setupDynams(Execution exec) {
  if (_dynams == null || _dynams.isEmpty())
    return null;
  final Map<String, Object> old = new HashMap<String, Object>();
  for (Map.Entry<String, Object> me : _dynams.entrySet()) {
    final String nm = me.getKey();
    final Object val = me.getValue();
    old.put(nm, exec.getAttribute(nm));
    if (val != null)
      exec.setAttribute(nm, val);
    else
      exec.removeAttribute(nm);
  }
  return old;
}

代码示例来源：origin: org.zkoss.zk/zkplus

public void init(Execution exec, Execution parent) {
  if (_enabled) {
    if (parent == null) { //root execution
      //always prepare a ThreadLocal SessionMap in Execution attribute
      Map<Object, Object> map = getSessionMap();
      if (map == null) {
        map = new HashMap<Object, Object>();
        setSessionMap(map); //copy to servlet thread's ThreadLocal
      }
      exec.setAttribute(HIBERNATE_SESSION_MAP, map); // store in Execution attribute
      //20060912, henrichen: tricky. Stuff something into session map to 
      //prevent the map from being removed from context ThreadLocal by the 
      //ThreadLocalSessionContext#unbind() when it is empty.
      map.put(SOMETHING, null);
    }
  }
}

代码示例来源：origin: org.zkoss.zk/zk

private static Map<Component, ShadowInfo> getShadowInfos(boolean autoCreate) {
  Execution exec = Executions.getCurrent();
  if (exec == null)
    return null;
  Map<Component, ShadowInfo> result = cast((Map) exec.getAttribute(COMPONENT_INFO));
  if (result == null && autoCreate) {
    result = new HashMap<Component, ShadowInfo>();
    exec.setAttribute(COMPONENT_INFO, result);
  }
  return result;
}

代码示例来源：origin: org.zkoss.zk/zk

private static Map<Component, ComponentInfo> getComponentInfos(boolean autoCreate) {
  Execution exec = Executions.getCurrent();
  if (exec == null)
    return null;
  Map<Component, ComponentInfo> result = cast((Map) exec.getAttribute(COMPONENT_INFO));
  if (result == null && autoCreate) {
    result = new HashMap<Component, ComponentInfo>();
    exec.setAttribute(COMPONENT_INFO, result);
  }
  return result;
}

代码示例来源：origin: org.zkoss.zk/zkplus

@SuppressWarnings("unchecked")
private static Map<String, EntityManager> getEmMap() {
  Execution current = Executions.getCurrent();
  Map map = (Map) current.getAttribute(JPA_EM_MAP);
  if (map == null) {
    map = new HashMap();
    Executions.getCurrent().setAttribute(JPA_EM_MAP, map);
  }
  return map;
}

代码示例来源：origin: org.zkoss.zk/zhtml

/**
 * Prepares for rendering a ZHTML tag. After rendering, the caller shall also invoke
 * {@link #afterRenderTag}. Furthermore, the return value of this method shall be passed as the
 * <code>param</code> argument of {@link #afterRenderTag}.
 *
 * @return the result of this invocation. It shall be passed to the <code>param</code> argument
 *         of {@link #afterRenderTag}.
 * @see #afterRenderTag
 */
public static Object beforeRenderTag(Execution exec) {
  TagRenderContext rc = getTagRenderContext(exec);
  if (rc != null)
    return null; // already been called
  rc = new TagRenderContext();
  exec.setAttribute(ATTR_RENDER_CONTEXT, rc);
  return rc;
}

代码示例来源：origin: org.zkoss.zk/zkbind

public BindingExecutionInfoCollector getExecutionInfoCollector() {
  Execution exec = Executions.getCurrent();
  if (exec == null)
    return null;
  BindingExecutionInfoCollector collector = (BindingExecutionInfoCollector) exec.getAttribute(COLLECTOR_KEY);
  if (collector == null) {
    collector = createBindingExecutionInfoCollector();
    exec.setAttribute(COLLECTOR_KEY, collector);
  }
  return collector;
}

代码示例来源：origin: org.zkoss.zk/zkbind

public BindingAnnotationInfoChecker getAnnotationInfoChecker() {
  Execution exec = Executions.getCurrent();
  if (exec == null)
    return null;
  BindingAnnotationInfoChecker checker = (BindingAnnotationInfoChecker) exec.getAttribute(CHECKER_KEY);
  if (checker == null) {
    checker = createDefaultAnnotationInfoChecker();
    exec.setAttribute(CHECKER_KEY, checker);
  }
  return checker;
}

代码示例来源：origin: org.zkoss.zk/zk

public void doInit(Page page, Map<String, Object> args) throws Exception {
  //first called doInit, last called doAfterCompose
  final Execution exec = Executions.getCurrent();
  if (exec.getAttribute(RESOLVE_COMPOSITION) == null) {
    exec.setAttribute(RESOLVE_COMPOSITION, this);
  }
  final Component parent = (Component) exec.getAttribute(PARENT);
  for (Object arg : args.values())
    exec.createComponents((String) arg, parent, null);
}

代码示例来源：origin: org.zkoss.zk/zk

/** Returns the first line to be generated to the output,
 * or null if no special first line.
 */
public static final String outFirstLine(Execution exec, Page page) {
  if (exec.getAttribute(FIRST_LINE_GENED) == null && !exec.isAsyncUpdate(null)) {
    exec.setAttribute(FIRST_LINE_GENED, Boolean.TRUE);
    return trimAndLF(((PageCtrl) page).getFirstLine());
  }
  return "";
}

代码示例来源：origin: org.zkoss.zk/zhtml

public void render(Page page, Writer out) throws IOException {
  final Execution exec = Executions.getCurrent();
  final String ctl = ExecutionsCtrl.getPageRedrawControl(exec);
  boolean au = exec.isAsyncUpdate(null);
  if (!au && (page.isComplete() || "complete".equals(ctl))) {
    renderComplete(exec, page, out);
    return;
  }
  boolean pageOnly = au;
  if (!pageOnly)
    pageOnly = (exec.isIncluded() || "page".equals(ctl)) && !"desktop".equals(ctl);
  if (pageOnly)
    renderPage(exec, page, out, au);
  else {
    exec.setAttribute(Attributes.PAGE_REDRAW_CONTROL, "complete");
    renderComplete(exec, page, out);
  }
}

代码示例来源：origin: org.zkoss.zk/zk

/** Generates the unavailable message in HTML tags, if any.
 * @param exec the execution (never null)
 */
public static String outUnavailable(Execution exec) {
  if (exec.getAttribute(ATTR_UNAVAILABLE_GENED) == null && !exec.isAsyncUpdate(null)) {
    exec.setAttribute(ATTR_UNAVAILABLE_GENED, Boolean.TRUE);
    final Device device = exec.getDesktop().getDevice();
    String s = device.getUnavailableMessage();
    return s != null ? "<noscript>\n" + s + "\n</noscript>" : "";
  }
  return ""; //nothing to generate
}

代码示例来源：origin: org.zkoss.zk/zk

/** Returns the doc type, or null if not available.
 * It is null or &lt;!DOCTYPE ...&gt;.
 */
public static final String outDocType(Execution exec, Page page) {
  if (exec.getAttribute(DOCTYPE_GENED) == null && !exec.isAsyncUpdate(null)) {
    exec.setAttribute(DOCTYPE_GENED, Boolean.TRUE);
    final String docType = ((PageCtrl) page).getDocType();
    return trimAndLF(docType != null ? docType : page.getDesktop().getDevice().getDocType());
  }
  return "";
}

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