org.mozilla.javascript.VMBridge.setContext java code examples

Common ways to obtain VMBridge

private void myMethod () {
     VMBridge v =Class cl;(VMBridge) Kit.newInstanceOrNull(cl)
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}

private static void releaseContext(Object contextHelper, Context cx)
{
  VMBridge.instance.setContext(contextHelper, null);
  try {
    cx.factory.onContextReleased(cx);
  } finally {
    cx.factory = null;
  }
}

/**
 * Exit a block of code requiring a Context.
 *
 * Calling <code>exit()</code> will remove the association between
 * the current thread and a Context if the prior call to
 * {@link ContextFactory#enterContext()} on this thread newly associated a 
 * Context with this thread. Once the current thread no longer has an 
 * associated Context, it cannot be used to execute JavaScript until it is 
 * again associated with a Context.
 * @see ContextFactory#enterContext()
 */
public static void exit()
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (--cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    cx.factory.onContextReleased(cx);
  }
}

private static Context prepareNewContext(ContextFactory factory,
                     Object contextHelper)
{
  Context cx = factory.makeContext();
  if (cx.factory != null || cx.enterCount != 0) {
    throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
  }
  cx.factory = factory;
  factory.onContextCreated(cx);
  if (factory.isSealed() && !cx.isSealed()) {
    cx.seal(null);
  }
  VMBridge.instance.setContext(contextHelper, cx);
  return cx;
}

/**
 * Exit a block of code requiring a Context.
 *
 * Calling <code>exit()</code> will remove the association between
 * the current thread and a Context if the prior call to
 * {@link ContextFactory#enterContext()} on this thread newly associated a
 * Context with this thread. Once the current thread no longer has an
 * associated Context, it cannot be used to execute JavaScript until it is
 * again associated with a Context.
 * @see ContextFactory#enterContext()
 */
public static void exit()
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (--cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    cx.factory.onContextReleased(cx);
  }
}

/**
 * Exit a block of code requiring a Context.
 *
 * Calling <code>exit()</code> will remove the association between
 * the current thread and a Context if the prior call to
 * {@link ContextFactory#enterContext()} on this thread newly associated a
 * Context with this thread. Once the current thread no longer has an
 * associated Context, it cannot be used to execute JavaScript until it is
 * again associated with a Context.
 * @see ContextFactory#enterContext()
 */
public static void exit()
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (--cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    cx.factory.onContextReleased(cx);
  }
}

/**
 * Exit a block of code requiring a Context.
 *
 * Calling <code>exit()</code> will remove the association between
 * the current thread and a Context if the prior call to
 * {@link ContextFactory#enterContext()} on this thread newly associated a
 * Context with this thread. Once the current thread no longer has an
 * associated Context, it cannot be used to execute JavaScript until it is
 * again associated with a Context.
 * @see ContextFactory#enterContext()
 */
public static void exit()
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (--cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    cx.factory.onContextReleased(cx);
  }
}

/**
 * Exit a block of code requiring a Context.
 *
 * Calling <code>exit()</code> will remove the association between
 * the current thread and a Context if the prior call to
 * {@link ContextFactory#enterContext()} on this thread newly associated a
 * Context with this thread. Once the current thread no longer has an
 * associated Context, it cannot be used to execute JavaScript until it is
 * again associated with a Context.
 * @see ContextFactory#enterContext()
 */
public static void exit()
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (--cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    cx.factory.onContextReleased(cx);
  }
}

static void exit(ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context cx = VMBridge.instance.getContext(helper);
  if (cx == null) {
    throw new IllegalStateException(
      "Calling Context.exit without previous Context.enter");
  }
  if (cx.factory != null) {
    // Context with associated factory will be released
    // automatically and does not need to change enterCount
    return;
  }
  if (cx.enterCount < 1) Kit.codeBug();
  if (cx.sealed) onSealedMutation();
  --cx.enterCount;
  if (cx.enterCount == 0) {
    VMBridge.instance.setContext(helper, null);
    factory.onContextReleased(cx);
  }
}

static final Context enter(Context cx, ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context old = VMBridge.instance.getContext(helper);
  if (old != null) {
    cx = old;
  } else {
    if (cx == null) {
      cx = factory.makeContext();
      if (cx.enterCount != 0) {
        throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
      }
      factory.onContextCreated(cx);
      if (factory.isSealed() && !cx.isSealed()) {
        cx.seal(null);
      }
    } else {
      if (cx.enterCount != 0) {
        throw new IllegalStateException("can not use Context instance already associated with some thread");
      }
    }
    VMBridge.instance.setContext(helper, cx);
  }
  ++cx.enterCount;
  return cx;
 }

static final Context enter(Context cx, ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context old = VMBridge.instance.getContext(helper);
  if (old != null) {
    cx = old;
  } else {
    if (cx == null) {
      cx = factory.makeContext();
      if (cx.enterCount != 0) {
        throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
      }
      factory.onContextCreated(cx);
      if (factory.isSealed() && !cx.isSealed()) {
        cx.seal(null);
      }
    } else {
      if (cx.enterCount != 0) {
        throw new IllegalStateException("can not use Context instance already associated with some thread");
      }
    }
    VMBridge.instance.setContext(helper, cx);
  }
  ++cx.enterCount;
  return cx;
 }

VMBridge.instance.setContext(helper, cx);

static final Context enter(Context cx, ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context old = VMBridge.instance.getContext(helper);
  if (old != null) {
    cx = old;
  } else {
    if (cx == null) {
      cx = factory.makeContext();
      if (cx.enterCount != 0) {
        throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
      }
      factory.onContextCreated(cx);
      if (factory.isSealed() && !cx.isSealed()) {
        cx.seal(null);
      }
    } else {
      if (cx.enterCount != 0) {
        throw new IllegalStateException("can not use Context instance already associated with some thread");
      }
    }
    VMBridge.instance.setContext(helper, cx);
  }
  ++cx.enterCount;
  return cx;
 }

static final Context enter(Context cx, ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context old = VMBridge.instance.getContext(helper);
  if (old != null) {
    cx = old;
  } else {
    if (cx == null) {
      cx = factory.makeContext();
      if (cx.enterCount != 0) {
        throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
      }
      factory.onContextCreated(cx);
      if (factory.isSealed() && !cx.isSealed()) {
        cx.seal(null);
      }
    } else {
      if (cx.enterCount != 0) {
        throw new IllegalStateException("can not use Context instance already associated with some thread");
      }
    }
    VMBridge.instance.setContext(helper, cx);
  }
  ++cx.enterCount;
  return cx;
 }

static final Context enter(Context cx, ContextFactory factory)
{
  Object helper = VMBridge.instance.getThreadContextHelper();
  Context old = VMBridge.instance.getContext(helper);
  if (old != null) {
    cx = old;
  } else {
    if (cx == null) {
      cx = factory.makeContext();
      if (cx.enterCount != 0) {
        throw new IllegalStateException("factory.makeContext() returned Context instance already associated with some thread");
      }
      factory.onContextCreated(cx);
      if (factory.isSealed() && !cx.isSealed()) {
        cx.seal(null);
      }
    } else {
      if (cx.enterCount != 0) {
        throw new IllegalStateException("can not use Context instance already associated with some thread");
      }
    }
    VMBridge.instance.setContext(helper, cx);
  }
  ++cx.enterCount;
  return cx;
 }

Javadoc

Associate Context instance with the current thread or remove the current association if cx is null.

Popular methods of VMBridge

getContext
Get Context instance associated with the current thread or null if none.
getCurrentThreadClassLoader
Return the ClassLoader instance associated with the current thread.
getInterfaceProxyHelper
Create helper object to create later proxies implementing the specified interfaces later. Under JDK
getThreadContextHelper
Return a helper object to optimize Context access. The runtime will pass the resulting helper object
isVarArgs
Returns whether or not a given member (method or constructor) has variable arguments. Variable argum
newInterfaceProxy
Create proxy object for InterfaceAdapter. The proxy should call InterfaceAdapter#invoke(ContextFacto
tryToMakeAccessible
In many JVMSs, public methods in private classes are not accessible by default (Sun Bug #4071593). V
getJavaIterator
If "obj" is a java.util.Iterator or a java.lang.Iterable, return a wrapping as a JavaScript Iterator

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