Java Context.getCurrentContext方法代碼示例

import org.mozilla.javascript.Context; //導入方法依賴的package包/類
private void ensureScopePresent()
{
    if (scope == null)
    {
        // Create a scope for the value conversion. This scope will be an empty scope exposing basic Object and Function, sufficient for value-conversion.
        // In case no context is active for the current thread, we can safely enter end exit one to get hold of a scope
        Context ctx = Context.getCurrentContext();
        boolean closeContext = false;
        if (ctx == null)
        {
            ctx = Context.enter();
            closeContext = true;
        }

        scope = ctx.initStandardObjects();
        scope.setParentScope(null);

        if (closeContext)
        {
            // Only an exit call should be done when context didn't exist before
            Context.exit();
        }
    }
}
 

import org.mozilla.javascript.Context; //導入方法依賴的package包/類
private ScriptableObject getScope() 
{
    // Create a scope for the value conversion. This scope will be an empty scope exposing basic Object and Function, sufficient for value-conversion.
    // In case no context is active for the current thread, we can safely enter end exit one to get hold of a scope
    ScriptableObject scope;
    Context ctx = Context.getCurrentContext();
    boolean closeContext = false;
    if (ctx == null) 
    {
        ctx = Context.enter();
        closeContext = true;
    }
    scope = ctx.initStandardObjects();
    scope.setParentScope(null);

    if (closeContext) 
    {
        Context.exit();
    }
    return scope;
}
 

import org.mozilla.javascript.Context; //導入方法依賴的package包/類
public void jsFunction_include(final Scriptable scope, String scriptName) throws Exception {
    final Context cx = Context.getCurrentContext();
    if (scriptName.charAt(0) != '/') {
        // relative script name -- resolve it against currently executing
        // script's directory
        String pathPrefix = currentScriptDirectory;
        while (scriptName.startsWith("../")) {
            final int lastSlash = pathPrefix.lastIndexOf('/');
            if (lastSlash == -1) {
                throw new FileNotFoundException("script:" + currentScriptDirectory + '/' + scriptName);
            }
            scriptName = scriptName.substring(3);
            pathPrefix = pathPrefix.substring(0, lastSlash);
        }
        scriptName = pathPrefix + '/' + scriptName;
    } else {
        // strip off leading slash
        scriptName = scriptName.substring(1);
    }
    final Script script = scriptStorage.getScript(scriptName);
    if (script == null) {
        throw new FileNotFoundException("script:" + scriptName);
    }
    try {
        final String oldScriptDirectory = currentScriptDirectory;
        currentScriptDirectory = getDirectoryForScript(scriptName);
        try {
            script.exec(cx, scope);
        } finally {
            currentScriptDirectory = oldScriptDirectory;
        }
    } finally {
    }
}
 

import org.mozilla.javascript.Context; //導入方法依賴的package包/類
/**
 * get the (cached) handler Function for this event Handler
 * on first access compile the function
 * @return
 */
Function getHandler() {
    if (_handler == null) {
        String attribute = _baseElement.getAttributeWithNoDefault( _handlerName );
        if (attribute != null && Context.getCurrentContext() != null) {
            _handler = Context.getCurrentContext().compileFunction( _baseElement, "function " + AbstractDomComponent.createAnonymousFunctionName() + "() { " + attribute + "}", "httpunit", 0, null );
        }
    }
    return _handler;
}