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java.lang.System#getSecurityManager ( )源码实例Demo

下面列出了java.lang.System#getSecurityManager ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。

源代码1 项目： dragonwell8_jdk   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码2 项目： TencentKona-8   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码3 项目： jdk8u60   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码4 项目： openjdk-jdk8u   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码5 项目： openjdk-jdk8u-backup   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码6 项目： openjdk-jdk9   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码7 项目： jdk8u-jdk   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码8 项目： hottub   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码9 项目： openjdk-8-source   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码10 项目： openjdk-8   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码11 项目： jdk8u_jdk   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码12 项目： jdk8u-jdk   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
源代码13 项目： jdk8u-dev-jdk   文件： TestDynamicPolicy.java 
private void doit() throws Exception {
    // A security manager must be installed
    SecurityManager sm=System.getSecurityManager();
    if (sm==null)
        throw new
            Exception("Test must be run with a security manager installed");

    // Instantiate and set the new policy
    DynamicPolicy dp = new DynamicPolicy();
    Policy.setPolicy(dp);

    // Verify that policy has been set
    if (dp != Policy.getPolicy())
        throw new Exception("Policy was not set!!");

    // now see this class can access user.name
    String usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name prior to refresh!");
        throw new
            Exception("Test was able to read user.name prior to refresh!");
    }

    // Now, make policy allow reading user.name
    dp.refresh();

    // now I should be able to read it
    usr = getUserName();

    if (usr == null) {
        System.out.println("Test was unable to read user.name after refresh!");
        throw new
            Exception("Test was unable to read user.name after refresh!");
    }
    // Now, take away permission to read user.name
    dp.refresh();

    // now I should not be able to read it
    usr = getUserName();

    if (usr != null) {
        System.out.println("Test was able to read user.name following 2nd refresh!");
        throw new
            Exception("Test was able to read user.name following 2nd refresh!");
    }

}
 方法所在类
java.lang.System
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