本文整理汇总了Java中jdk.nashorn.api.scripting.ClassFilter类的典型用法代码示例。如果您正苦于以下问题:Java ClassFilter类的具体用法?Java ClassFilter怎么用?Java ClassFilter使用的例子?那么, 这里精选的类代码示例或许可以为您提供帮助。
ClassFilter类属于jdk.nashorn.api.scripting包,在下文中一共展示了ClassFilter类的12个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的Java代码示例。
示例1: checkLinkRequest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
private static void checkLinkRequest(final LinkRequest request) {
final Global global = Context.getGlobal();
final ClassFilter cf = global.getClassFilter();
if (cf != null) {
throw typeError("no.reflection.with.classfilter");
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
final Object self = request.getReceiver();
// allow 'static' access on Class objects representing public classes of non-restricted packages
if ((self instanceof Class) && Modifier.isPublic(((Class<?>)self).getModifiers())) {
final CallSiteDescriptor desc = request.getCallSiteDescriptor();
if ("static".equals(NashornCallSiteDescriptor.getOperand(desc)) && NashornCallSiteDescriptor.contains(desc, StandardOperation.GET, StandardNamespace.PROPERTY)) {
if (Context.isAccessibleClass((Class<?>)self) && !isReflectionClass((Class<?>)self)) {
// If "GET:PROPERTY:static" passes access checks, allow access.
return;
}
}
}
checkReflectionPermission(sm);
}
}
示例2: nashornConfigSecurityTest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void nashornConfigSecurityTest() {
if (System.getSecurityManager() == null) {
// pass vacuously
return;
}
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
try {
fac.getScriptEngine(new ClassFilter() {
@Override
public boolean exposeToScripts(final String name) {
return true;
}
});
fail("SecurityException should have been thrown");
} catch (final SecurityException e) {
//empty
}
}
示例3: nashornConfigSecurityTest2
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void nashornConfigSecurityTest2() {
if (System.getSecurityManager() == null) {
// pass vacuously
return;
}
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
try {
fac.getScriptEngine(new String[0], null, new ClassFilter() {
@Override
public boolean exposeToScripts(final String name) {
return true;
}
});
fail("SecurityException should have been thrown");
} catch (final SecurityException e) {
//empty
}
}
示例4: classFilterTest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void classFilterTest() throws ScriptException {
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
final ScriptEngine e = fac.getScriptEngine(new ClassFilter() {
@Override
public boolean exposeToScripts(final String fullName) {
// don't allow anything that is not "java."
return fullName.startsWith("java.");
}
});
assertEquals(e.eval("typeof javax.script.ScriptEngine"), "object");
assertEquals(e.eval("typeof java.util.Vector"), "function");
try {
e.eval("Java.type('javax.script.ScriptContext')");
fail("should not reach here");
} catch (final ScriptException | RuntimeException se) {
if (! (se.getCause() instanceof ClassNotFoundException)) {
fail("ClassNotFoundException expected");
}
}
}
示例5: classFilterTest2
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void classFilterTest2() throws ScriptException {
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
final ScriptEngine e = fac.getScriptEngine(new String[0], Thread.currentThread().getContextClassLoader(),
new ClassFilter() {
@Override
public boolean exposeToScripts(final String fullName) {
// don't allow anything that is not "java."
return fullName.startsWith("java.");
}
});
assertEquals(e.eval("typeof javax.script.ScriptEngine"), "object");
assertEquals(e.eval("typeof java.util.Vector"), "function");
try {
e.eval("Java.type('javax.script.ScriptContext')");
fail("should not reach here");
} catch (final ScriptException | RuntimeException se) {
if (! (se.getCause() instanceof ClassNotFoundException)) {
fail("ClassNotFoundException expected");
}
}
}
示例6: checkLinkRequest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
private static void checkLinkRequest(final LinkRequest request) {
final Global global = Context.getGlobal();
final ClassFilter cf = global.getClassFilter();
if (cf != null) {
throw typeError("no.reflection.with.classfilter");
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
final Object self = request.getReceiver();
// allow 'static' access on Class objects representing public classes of non-restricted packages
if ((self instanceof Class) && Modifier.isPublic(((Class<?>)self).getModifiers())) {
final CallSiteDescriptor desc = request.getCallSiteDescriptor();
if ("static".equals(NashornCallSiteDescriptor.getOperand(desc)) && NashornCallSiteDescriptor.contains(desc, StandardOperation.GET_PROPERTY)) {
if (Context.isAccessibleClass((Class<?>)self) && !isReflectionClass((Class<?>)self)) {
// If "GET_PROPERTY:static" passes access checks, allow access.
return;
}
}
}
checkReflectionPermission(sm);
}
}
示例7: getEngine
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Override
public synchronized ScriptEngine getEngine(String name) {
if (log.isDebugEnabled()) {
log.debug("Creating a script engine " + name);
}
ScriptEngine scriptEngine = getFactory().getScriptEngine(new ClassFilter() {
@Override
public boolean exposeToScripts(String className) {
return true;
}
});
scriptEngine.getContext().removeAttribute("JavaImporter", ScriptContext.ENGINE_SCOPE);
scriptEngine.getContext().removeAttribute("Java", ScriptContext.ENGINE_SCOPE);
scriptEngine.getContext().setAttribute(SCRIPT_ENGINE_NAME, name, ScriptContext.ENGINE_SCOPE);
return scriptEngine;
}
示例8: checkReflectionAccess
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
static void checkReflectionAccess(final Class<?> clazz, final boolean isStatic) {
final Global global = Context.getGlobal();
final ClassFilter cf = global.getClassFilter();
if (cf != null && isReflectiveCheckNeeded(clazz, isStatic)) {
throw typeError("no.reflection.with.classfilter");
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null && isReflectiveCheckNeeded(clazz, isStatic)) {
checkReflectionPermission(sm);
}
}
示例9: checkLinkRequest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
private static void checkLinkRequest(final LinkRequest origRequest) {
final Global global = Context.getGlobal();
final ClassFilter cf = global.getClassFilter();
if (cf != null) {
throw typeError("no.reflection.with.classfilter");
}
final SecurityManager sm = System.getSecurityManager();
if (sm != null) {
final LinkRequest requestWithoutContext = origRequest.withoutRuntimeContext(); // Nashorn has no runtime context
final Object self = requestWithoutContext.getReceiver();
// allow 'static' access on Class objects representing public classes of non-restricted packages
if ((self instanceof Class) && Modifier.isPublic(((Class<?>)self).getModifiers())) {
final CallSiteDescriptor desc = requestWithoutContext.getCallSiteDescriptor();
if(CallSiteDescriptorFactory.tokenizeOperators(desc).contains("getProp")) {
if (desc.getNameTokenCount() > CallSiteDescriptor.NAME_OPERAND &&
"static".equals(desc.getNameToken(CallSiteDescriptor.NAME_OPERAND))) {
if (Context.isAccessibleClass((Class<?>)self) && !isReflectionClass((Class<?>)self)) {
// If "getProp:static" passes access checks, allow access.
return;
}
}
}
}
checkReflectionPermission(sm);
}
}
示例10: getClassFilter
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
private static ClassFilter getClassFilter() {
return new ClassFilter() {
@Override
public boolean exposeToScripts(final String s) {
return true;
}
};
}
示例11: nullClassFilterTest
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void nullClassFilterTest() {
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
try {
fac.getScriptEngine((ClassFilter)null);
fail("should have thrown NPE");
} catch (final NullPointerException e) {
//empty
}
}
示例12: nullArgsTest2
import jdk.nashorn.api.scripting.ClassFilter; //导入依赖的package包/类
@Test
public void nullArgsTest2() {
final NashornScriptEngineFactory fac = new NashornScriptEngineFactory();
try {
fac.getScriptEngine(null, null, new ClassFilter() {
@Override
public boolean exposeToScripts(final String name) {
return true;
}
});
fail("should have thrown NPE");
} catch (final NullPointerException e) {
//empty
}
}