Examples of java.lang.reflect.ReflectPermission

java.lang.reflect.ReflectPermission

The Permission class for reflective operations. A ReflectPermission is a named permission and has no actions. The only name currently defined is suppressAccessChecks, which allows suppressing the standard Java language access checks -- for public, default (package) access, protected, and private members -- performed by reflected objects at their point of use.

The following table provides a summary description of what the permission allows, and discusses the risks of granting code the permission.

Permission Target Name	What the Permission Allows	Risks of Allowing this Permission
suppressAccessChecks	ability to access fields and invoke methods in a class. Note that this includes not only public, but protected and private fields and methods as well.	This is dangerous in that information (possibly confidential) and methods normally unavailable would be accessible to malicious code.

@see java.security.Permission @see java.security.BasicPermission @see AccessibleObject @see Field#get @see Field#set @see Method#invoke @see Constructor#newInstance @since 1.2

        }


        private static void setInstance(ServiceIteratorProvider sip) throws SecurityException {
            SecurityManager security = System.getSecurityManager();
            if (security != null) {
                ReflectPermission rp = new ReflectPermission("suppressAccessChecks");
                security.checkPermission(rp);
            }
            synchronized (sipLock) {
                ServiceIteratorProvider.sip = sip;
            }

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      tsm.addPermission(new JndiPermission("path1/*", "list,listBindings,lookup"));
      tsm.addPermission(new JndiPermission("path1/x", "bind,rebind,unbind"));
      tsm.addPermission(new RuntimePermission("setSecurityManager"));
      tsm.addPermission(new FilePermission("<<ALL FILES>>", "read"));
      tsm.addPermission(new RuntimePermission("createClassLoader"));
      tsm.addPermission(new ReflectPermission("suppressAccessChecks"));
      tsm.addPermission(new SerializablePermission("enableSubstitution"));
      System.setSecurityManager(tsm);


      doOps();
      doBadOps(true);

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      TestSecurityManager tsm = new TestSecurityManager();
      tsm.addPermission(new JndiPermission("<<ALL BINDINGS>>", "*"));
      tsm.addPermission(new RuntimePermission("setSecurityManager"));
      tsm.addPermission(new FilePermission("<<ALL FILES>>", "read"));
      tsm.addPermission(new RuntimePermission("createClassLoader"));
      tsm.addPermission(new ReflectPermission("suppressAccessChecks"));
      tsm.addPermission(new SerializablePermission("enableSubstitution"));
      System.setSecurityManager(tsm);


      doOps();
      doBadOps(false);

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  /**
   * @tests java.lang.reflect.ReflectPermission#ReflectPermission(java.lang.String)
   */
  public void test_ConstructorLjava_lang_String() {
    // Test for method java.lang.reflect.ReflectPermission(java.lang.String)
    String permString = new ReflectPermission("Blah").toString();
    assertTrue("Incorrect permission constructed", permString.indexOf(
        "java.lang.reflect.ReflectPermission Blah") >= 0);
  }

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   *        java.lang.String)
   */
  public void test_ConstructorLjava_lang_StringLjava_lang_String() {
    // Test for method java.lang.reflect.ReflectPermission(java.lang.String,
    // java.lang.String)
    assertTrue("Incorrect permission constructed", new ReflectPermission(
        "Blah", "suppressAccessChecks").toString().indexOf(
        "java.lang.reflect.ReflectPermission Blah") >= 0);
  }

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        }


        private static void setInstance(ServiceIteratorProvider sip) throws SecurityException {
            SecurityManager security = System.getSecurityManager();
            if (security != null) {
                ReflectPermission rp = new ReflectPermission("suppressAccessChecks");
                security.checkPermission(rp);
            }
            synchronized (ServiceIteratorProvider.class) {
                ServiceIteratorProvider.sip = sip;
            }

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        }


        private static void setInstance(ResourcesProvider provider) throws SecurityException {
            SecurityManager security = System.getSecurityManager();
            if (security != null) {
                ReflectPermission rp = new ReflectPermission("suppressAccessChecks");
                security.checkPermission(rp);
            }
            synchronized (ResourcesProvider.class) {
                ResourcesProvider.provider = provider;
            }

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  private static boolean canAccessPrivateMethods() {
    try {
      SecurityManager securityManager = System.getSecurityManager();
      if (null != securityManager) {
        securityManager.checkPermission(new ReflectPermission("suppressAccessChecks"));
      }
    } catch (SecurityException e) {
      return false;
    }
    return true;

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        }


        private static void setInstance(ServiceIteratorProvider sip) throws SecurityException {
            SecurityManager security = System.getSecurityManager();
            if (security != null) {
                ReflectPermission rp = new ReflectPermission("suppressAccessChecks");
                security.checkPermission(rp);
            }
            synchronized (ServiceIteratorProvider.class) {
                ServiceIteratorProvider.sip = sip;
            }

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        }


        private static void setInstance(ResourcesProvider provider) throws SecurityException {
            SecurityManager security = System.getSecurityManager();
            if (security != null) {
                ReflectPermission rp = new ReflectPermission("suppressAccessChecks");
                security.checkPermission(rp);
            }
            synchronized (ResourcesProvider.class) {
                ResourcesProvider.provider = provider;
            }

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Exceptions

gnu.testlet.java.lang.reflect.AccessibleObject.security

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