Java ContextFactory.enterContext方法代码示例

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
public void runJsTests(File[] tests) throws IOException {
    ContextFactory factory = ContextFactory.getGlobal();
    Context cx = factory.enterContext();
    try {
        cx.setOptimizationLevel(this.optimizationLevel);
        Scriptable shared = cx.initStandardObjects();
        for (File f : tests) {
            int length = (int) f.length(); // don't worry about very long
                                           // files
            char[] buf = new char[length];
            new FileReader(f).read(buf, 0, length);
            String session = new String(buf);
            runJsTest(cx, shared, f.getName(), session);
        }
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
public void testCustomContextFactory() {
    ContextFactory factory = new MyFactory();
    Context cx = factory.enterContext();
    try {
        Scriptable globalScope = cx.initStandardObjects();
        // Test that FEATURE_MEMBER_EXPR_AS_FUNCTION_NAME is enabled
        /* TODO(stevey): fix this functionality in parser
        Object result = cx.evaluateString(globalScope,
                "var obj = {};" +
                "function obj.foo() { return 'bar'; }" +
                "obj.foo();",
                "test source", 1, null);
        assertEquals("bar", result);
        */
    } catch (RhinoException e) {
        fail(e.toString());
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Test
public void runDoctest() throws Exception {
    ContextFactory factory = ContextFactory.getGlobal();
    Context cx = factory.enterContext();
    try {
        cx.setOptimizationLevel(optimizationLevel);
        Global global = new Global(cx);
        // global.runDoctest throws an exception on any failure
        int testsPassed = global.runDoctest(cx, global, source, name, 1);
        System.out.println(name + "(" + optimizationLevel + "): " +
                testsPassed + " passed.");
        assertTrue(testsPassed > 0);
    } catch (Exception ex) {
      System.out.println(name + "(" + optimizationLevel + "): FAILED due to "+ex);
      throw ex;
    } finally {
        Context.exit();
    }  
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
public void testSetNullForScriptableSetter() throws Exception {
	
	final String scriptCode = "foo.myProp = new Foo2();\n"
		+ "foo.myProp = null;";

	final ContextFactory factory = new ContextFactory();
	final Context cx = factory.enterContext();

	try {
        final ScriptableObject topScope = cx.initStandardObjects();
        final Foo foo = new Foo();

        // define custom setter method
        final Method setMyPropMethod = Foo.class.getMethod("setMyProp", Foo2.class);
        foo.defineProperty("myProp", null, null, setMyPropMethod, ScriptableObject.EMPTY);

        topScope.put("foo", topScope, foo);
        
        ScriptableObject.defineClass(topScope, Foo2.class);
		
        cx.evaluateString(topScope, scriptCode, "myScript", 1, null);
	}
	finally {
		Context.exit();
	}
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Test
public void runDoctest() throws Exception {
    ContextFactory factory = ContextFactory.getGlobal();
    Context cx = factory.enterContext();
    try {
        cx.setOptimizationLevel(optimizationLevel);
        Global global = new Global(cx);
        // global.runDoctest throws an exception on any failure
        int testsPassed = global.runDoctest(cx, global, source, name, 1);
        System.out.println(name + "(" + optimizationLevel + "): " +
                testsPassed + " passed.");
        assertTrue(testsPassed > 0);
    } catch (Exception ex) {
      System.out.println(name + "(" + optimizationLevel + "): FAILED due to "+ex);
      throw ex;
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
public void testSetNullForScriptableSetter() throws Exception {

		final String scriptCode = "foo.myProp = new Foo2();\n"
			+ "foo.myProp = null;";

		final ContextFactory factory = new ContextFactory();
		final Context cx = factory.enterContext();

		try {
	        final ScriptableObject topScope = cx.initStandardObjects();
	        final Foo foo = new Foo();

	        // define custom setter method
	        final Method setMyPropMethod = Foo.class.getMethod("setMyProp", Foo2.class);
	        foo.defineProperty("myProp", null, null, setMyPropMethod, ScriptableObject.EMPTY);

	        topScope.put("foo", topScope, foo);

	        ScriptableObject.defineClass(topScope, Foo2.class);

	        cx.evaluateString(topScope, scriptCode, "myScript", 1, null);
		}
		finally {
			Context.exit();
		}
	}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Initialize
public void init() {
    _contextFactory = new ContextFactory();

    Context context = _contextFactory.enterContext();
    try {
        _script = context.compileString(sourceCode, this.getClass().getSimpleName(), 1, null);
        _sharedScope = context.initStandardObjects();

        JavaScriptUtils.addToScope(_sharedScope, logger, "logger", "log");
        JavaScriptUtils.addToScope(_sharedScope, System.out, "out");

        _script.exec(context, _sharedScope);
        _transformerObj = (NativeObject) _sharedScope.get("transformerObj");
        if (_transformerObj == null) {
            throw new IllegalStateException("Required JS object 'transformerObj' not found!");
        }

        _initializeFunction = (Function) _transformerObj.get("initialize");
        _transformFunction = (Function) _transformerObj.get("transform");
        _closeFunction = (Function) _transformerObj.get("close");

        _initializeFunction.call(context, _sharedScope, _sharedScope, new Object[0]);
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Initialize
public void init() {
	_contextFactory = new ContextFactory();
	Context context = _contextFactory.enterContext();

	try {
		_script = context.compileString(sourceCode, this.getClass()
				.getSimpleName(), 1, null);
		_sharedScope = context.initStandardObjects();

		JavaScriptUtils.addToScope(_sharedScope, logger, "logger", "log");
		JavaScriptUtils.addToScope(_sharedScope, System.out, "out");
	} finally {
		Context.exit();
	}
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
/**
 * Runs the provided action at the given optimization level
 */
public static void runWithOptimizationLevel(final ContextFactory contextFactory, final ContextAction action, final int optimizationLevel)
{
   	final Context cx = contextFactory.enterContext();
   	try
   	{
   		cx.setOptimizationLevel(optimizationLevel);
   		action.run(cx);
   	}
   	finally
   	{
   		Context.exit();
   	}
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
public Context getContext()
{
    if (cx == null) {
        ContextFactory contextFactory = new ContextFactory();
        cx = contextFactory.enterContext();
        initFuncs();
    }
    return cx;
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
/**
 * Create a script host
 * @param optimizationLevel Rhino optimization level (Valid range is -1 between 9, must be -1 on Android)
 */
public RhinoScriptHost(int optimizationLevel) {
	cxf = new ContextFactory();
	cx = cxf.enterContext();
	cx.setOptimizationLevel(optimizationLevel);
	scope = cx.initStandardObjects();
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Initialize
public void init() {
    _contextFactory = new ContextFactory();
    final Context context = _contextFactory.enterContext();

    try {
        _script = context.compileString(sourceCode, this.getClass().getSimpleName(), 1, null);
        _sharedScope = context.initStandardObjects();

        JavaScriptUtils.addToScope(_sharedScope, new JavaScriptLogger(), "logger", "log");
        JavaScriptUtils.addToScope(_sharedScope, System.out, "out");
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Initialize
public void init() {
    _contextFactory = new ContextFactory();
    Context context = _contextFactory.enterContext();

    try {
        _script = context.compileString(sourceCode, this.getClass().getSimpleName(), 1, null);
        _sharedScope = context.initStandardObjects();

        JavaScriptUtils.addToScope(_sharedScope, logger, "logger", "log");
        JavaScriptUtils.addToScope(_sharedScope, System.out, "out");
    } finally {
        Context.exit();
    }
}
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
@Test
     public void debug() {

//       ContextFactory contextFactory = getDebugContextFactory();
        ContextFactory contextFactory = getNormalContextFactory();
       Scriptable scope; // this is THE OBJECT
       Context cx;
       


        cx = contextFactory.enterContext();
        try {
            scope = cx.initStandardObjects();
        } finally {
            Context.exit();
        }

       displayDebugger2(contextFactory, scope);

        cx = contextFactory.enterContext();
        try {
            Object result = cx.evaluateString(scope, "2 + 4 + 5", "<cmd>", 1, null);
             result = cx.evaluateString(scope, "2 + 55 + 5", "<cmd2>", 1, null);
            result = cx.evaluateString(scope, "1/3", "<cmd3>", 1, null);
            result = cx.evaluateString(scope, "32323.333+3232", "<cmd4>", 1, null);
            result = cx.evaluateString(scope, "'cocoloco'", "<cmd5>", 1, null);
            System.out.println(Context.toString(result));
        } finally {
            Context.exit();
        }
     }
 

import org.mozilla.javascript.ContextFactory; //导入方法依赖的package包/类
private void readScripts(List<User> userList) {

		ContextFactory contextFactory = ContextFactory.getGlobal();
		Context context = contextFactory.enterContext();
		try {

			for (User user : userList) {
				Company company = new Company(this, user.getUsername(), grocer);
				ThreadLocal.setCompany(company);

				ScriptableObject prototype = context.initStandardObjects();
				prototype.setParentScope(null);
				Scriptable scope = context.newObject(prototype);
				scope.setPrototype(prototype);

				Object jsCompany = new SandboxNativeJavaObject(scope, company, Company.class);
				prototype.put("company", scope, jsCompany);
				Object jsSystemout = new SandboxNativeJavaObject(scope,
						new DebugAdapter(this, gameRun.getResult(), company.getName()), DebugAdapter.class);
				prototype.put("out", scope, jsSystemout);
				prototype.put("console", scope, jsSystemout);

				try {
					long time = System.nanoTime();
					context.evaluateString(scope, user.getMainJavaScript(), company.getName(), 1, null);
					getResult().getCreateNotExists(company.getName()).addRunTime("init", System.nanoTime() - time);
					getResult().getCreateNotExists(company.getName()).setCode(user.getMainJavaScript());
				} catch (RhinoException e) {
					if (e.getCause() instanceof GameException) {
						log.info("Failed to initialize the JavaScript, but found a GameException", e);
					} else {
						String formattedStackTrace = ExceptionConverter.convertToString(e);
						gameRun.getResult().addError(formattedStackTrace);
						log.error("Failed to initialize the JavaScript. Player " + company.getName() + " bankrupt", e);
						company.setBankruptFromError(formattedStackTrace);
					}
				}

				companies.add(company);
			}
			ThreadLocal.resetCompany();
		} finally {
			Context.exit();
		}
	}