java.security.PermissionCollection#setReadOnly ( )源码实例Demo

/** Sets a PermissionsCollectio which will be used
 * for ProtectionDomain of newly created classes.
 *
 * @param defaultPerms
 */
public void setDefaultPermissions(PermissionCollection defaultPerms) {
    if (defaultPerms != null && !defaultPerms.isReadOnly()) {
        defaultPerms.setReadOnly();
    }
    this.defaultPermissions = defaultPerms;
}
 

/**
 *
 */
@Override
public void setReadOnly() {
  if (!readOnly) {
    readOnly = true;
    final PermissionCollection p = getPerms();
    if (p != null) {
      p.setReadOnly();
    } else {
      // TBD, Conditional permission already readonly?
    }
  }
}
 

/**
 *
 */
private PermissionCollection getPerms0() {
  if (systemPermissions == null) {
    final PermissionCollection p = makePermissionCollection();
    if (readOnly && p != null) {
      p.setReadOnly();
    }
    systemPermissions = p;
  }
  return systemPermissions;
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

protected PermissionCollection createPermissions(CodeSource cs, InputOutput io) {
    PermissionCollection allPerms = new Permissions();
    allPerms.add(new AllPermission());
    allPerms.setReadOnly();
    return allPerms;
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}
 

/**
 * Creates a PermissionDomain that grants no permission.
 */
private ProtectionDomain noPermissionsDomain() {
    PermissionCollection perms = new Permissions();
    perms.setReadOnly();
    return new ProtectionDomain(null, perms);
}