本文整理匯總了Java中java.security.ProtectionDomain.getPermissions方法的典型用法代碼示例。如果您正苦於以下問題：Java ProtectionDomain.getPermissions方法的具體用法？Java ProtectionDomain.getPermissions怎麽用？Java ProtectionDomain.getPermissions使用的例子？那麽, 這裏精選的方法代碼示例或許可以為您提供幫助。您也可以進一步了解該方法所在類java.security.ProtectionDomain的用法示例。
在下文中一共展示了ProtectionDomain.getPermissions方法的2個代碼示例，這些例子默認根據受歡迎程度排序。您可以為喜歡或者感覺有用的代碼點讚，您的評價將有助於係統推薦出更棒的Java代碼示例。
示例1: testLoadingFilterPlugin
import java.security.ProtectionDomain; //導入方法依賴的package包/類
/**
* Tests loading a class from a jar.
*/
@Test
public void testLoadingFilterPlugin() throws ClassNotFoundException, IllegalAccessException, InstantiationException {
// Get URL to our jar
final URL jar = getClass().getClassLoader().getResource("testDeserializer/testPlugins.jar");
final String classPath = "examples.filter.LowOffsetFilter";
// Create class loader
final PluginClassLoader pluginClassLoader = new PluginClassLoader(jar, getClass().getClassLoader());
final Class<? extends RecordFilter> filterPlugin = (Class<? extends RecordFilter>) pluginClassLoader.loadClass(classPath);
assertNotNull("Should not be null", filterPlugin);
// Create an instance of it and validate.
final RecordFilter filter = filterPlugin.newInstance();
final String topic = "MyTopic";
final int partition = 2;
final long offset = 2423L;
final Object key = "key";
final Object value = "{name='Bob', value='value'}";
filter.includeRecord(topic, partition, offset, key, value);
// Validate it came from our classloader, more of a sanity test.
assertTrue("Should have our parent class loader", filter.getClass().getClassLoader() instanceof PluginClassLoader);
// Validate permission set defined
final ProtectionDomain protectionDomain = filter.getClass().getProtectionDomain();
final PermissionCollection permissionCollection = protectionDomain.getPermissions();
assertTrue("Should have read only permissions", permissionCollection.isReadOnly());
}
示例2: loadJar
import java.security.ProtectionDomain; //導入方法依賴的package包/類
/**
* Loads specified JAR.
*
* @param jarFileInfo
* @throws IOException
*/
private void loadJar(JarFileInfo jarFileInfo) throws IOException {
lstJarFile.add(jarFileInfo);
try {
Enumeration<JarEntry> en = jarFileInfo.jarFile.entries();
final String EXT_JAR = ".jar";
while (en.hasMoreElements()) {
JarEntry je = en.nextElement();
if (je.isDirectory()) {
continue;
}
String s = je.getName().toLowerCase(); // JarEntry name
if (s.lastIndexOf(EXT_JAR) == s.length() - EXT_JAR.length()) {
JarEntryInfo inf = new JarEntryInfo(jarFileInfo, je);
File fileTemp = createTempFile(inf);
logInfo(LogArea.JAR, "Loading inner JAR %s from temp file %s",
inf.jarEntry, getFilename4Log(fileTemp));
// Construct ProtectionDomain for this inner JAR:
URL url = fileTemp.toURI().toURL();
ProtectionDomain pdParent = jarFileInfo.pd;
// 'csParent' is never null: top JAR has it, JCL creates it for child JAR:
CodeSource csParent = pdParent.getCodeSource();
Certificate[] certParent = csParent.getCertificates();
CodeSource csChild = (certParent == null ? new CodeSource(url, csParent.getCodeSigners())
: new CodeSource(url, certParent));
ProtectionDomain pdChild = new ProtectionDomain(csChild,
pdParent.getPermissions(), pdParent.getClassLoader(), pdParent.getPrincipals());
loadJar(new JarFileInfo(
new JarFile(fileTemp), inf.getName(), jarFileInfo, pdChild, fileTemp));
}
}
} catch (JarClassLoaderException e) {
throw new RuntimeException(
"ERROR on loading inner JAR: " + e.getMessageAll());
}
}