org.apache.tomcat.util.descriptor.web

## Class SecurityConstraint

- java.lang.Object
- - org.apache.tomcat.util.descriptor.web.XmlEncodingBase
  - - org.apache.tomcat.util.descriptor.web.SecurityConstraint

- All Implemented Interfaces:
    Serializable

      public class SecurityConstraint
      extends XmlEncodingBase
      implements Serializable

  Representation of a security constraint element for a web application, as represented in a `<security-constraint>` element in the deployment descriptor.

  WARNING: It is assumed that instances of this class will be created and modified only within the context of a single thread, before the instance is made visible to the remainder of the application. After that, only read access is expected. Therefore, none of the read and write access within this class is synchronized.

  Author:
    Craig R. McClanahan
  See Also:
    Serialized Form

- - ### Field Summary

    Fields
    Modifier and Type | Field and Description
    --- | ---
    `static String` | `ROLE_ALL_AUTHENTICATED_USERS`
    `static String` | `ROLE_ALL_ROLES`

  - ### Constructor Summary

    Constructors
    Constructor and Description
    `SecurityConstraint()` Construct a new security constraint instance with default values.

  - ### Method Summary

    Methods
    Modifier and Type | Method and Description
    --- | ---
    `void` | `addAuthRole(String authRole)` Add an authorization role, which is a role name that will be permitted access to the resources protected by this security constraint.
    `void` | `addCollection(SecurityCollection collection)` Add a new web resource collection to those protected by this security constraint.
    `static SecurityConstraint[]` | `createConstraints(ServletSecurityElement element, String urlPattern)` Convert a `ServletSecurityElement` to an array of `SecurityConstraint`(s).
    `boolean` | `findAuthRole(String role)` Check a role.
    `String[]` | `findAuthRoles()` Return the set of roles that are permitted access to the resources protected by this security constraint.
    `SecurityCollection` | `findCollection(String name)` Return the web resource collection for the specified name, if any; otherwise, return `null`.
    `SecurityCollection[]` | `findCollections()` Return all of the web resource collections protected by this security constraint.
    `static SecurityConstraint[]` | `findUncoveredHttpMethods(SecurityConstraint[] constraints, boolean denyUncoveredHttpMethods, Log log)`
    `boolean` | `getAllRoles()` Was the "all roles" wildcard included in this authentication constraint?
    `boolean` | `getAuthConstraint()` Return the authorization constraint present flag for this security constraint.
    `boolean` | `getAuthenticatedUsers()` Was the "all authenticated users" wildcard included in this authentication constraint?
    `String` | `getDisplayName()`
    `String` | `getUserConstraint()` Return the user data constraint for this security constraint.
    `boolean` | `included(String uri, String method)` Check if the constraint applies to a URI and method.
    `void` | `removeAuthRole(String authRole)` Remove the specified role from the set of roles permitted to access the resources protected by this security constraint.
    `void` | `removeCollection(SecurityCollection collection)` Remove the specified web resource collection from those protected by this security constraint.
    `void` | `setAuthConstraint(boolean authConstraint)` Set the authorization constraint present flag for this security constraint.
    `void` | `setCharset(Charset charset)`
    `void` | `setDisplayName(String displayName)` Set the display name of this security constraint.
    `void` | `setUserConstraint(String userConstraint)` Set the user data constraint for this security constraint.
    `String` | `toString()` Return a String representation of this security constraint.
    `void` | `treatAllAuthenticatedUsersAsApplicationRole()` Called in the unlikely event that an application defines a role named "**".

    - ### Methods inherited from class org.apache.tomcat.util.descriptor.web.XmlEncodingBase

      `getCharset, getEncoding, setEncoding`

    - ### Methods inherited from class java.lang.Object

      `clone, equals, finalize, getClass, hashCode, notify, notifyAll, wait, wait, wait`

- - ### Field Detail

    - #### ROLE_ALL_ROLES

          public static final String ROLE_ALL_ROLES

      See Also:
        Constant Field Values

    - #### ROLE_ALL_AUTHENTICATED_USERS

          public static final String ROLE_ALL_AUTHENTICATED_USERS

      See Also:
        Constant Field Values

  - ### Constructor Detail

    - #### SecurityConstraint

          public SecurityConstraint()

      Construct a new security constraint instance with default values.

  - ### Method Detail

    - #### getAllRoles

          public boolean getAllRoles()

      Was the "all roles" wildcard included in this authentication constraint?
      Returns:
        `true` if all roles

    - #### getAuthenticatedUsers

          public boolean getAuthenticatedUsers()

      Was the "all authenticated users" wildcard included in this authentication constraint?
      Returns:
        `true` if all authenticated users

    - #### getAuthConstraint

          public boolean getAuthConstraint()

      Return the authorization constraint present flag for this security constraint.
      Returns:
        `true` if this needs authorization

    - #### setAuthConstraint

          public void setAuthConstraint(boolean authConstraint)

      Set the authorization constraint present flag for this security constraint.
      Parameters:
        `authConstraint` - The new value

    - #### getDisplayName

          public String getDisplayName()

      Returns:
        the display name of this security constraint.

    - #### setDisplayName

          public void setDisplayName(String displayName)

      Set the display name of this security constraint.
      Parameters:
        `displayName` - The new value

    - #### getUserConstraint

          public String getUserConstraint()

      Return the user data constraint for this security constraint.
      Returns:
        the user constraint

    - #### setUserConstraint

          public void setUserConstraint(String userConstraint)

      Set the user data constraint for this security constraint.
      Parameters:
        `userConstraint` - The new user data constraint

    - #### treatAllAuthenticatedUsersAsApplicationRole

          public void treatAllAuthenticatedUsersAsApplicationRole()

      Called in the unlikely event that an application defines a role named "**".

    - #### addAuthRole

          public void addAuthRole(String authRole)

      Add an authorization role, which is a role name that will be permitted access to the resources protected by this security constraint.
      Parameters:
        `authRole` - Role name to be added

    - #### setCharset

          public void setCharset(Charset charset)

      Overrides:
        `setCharset` in class `XmlEncodingBase`

    - #### addCollection

          public void addCollection(SecurityCollection collection)

      Add a new web resource collection to those protected by this security constraint.
      Parameters:
        `collection` - The new web resource collection

    - #### findAuthRole

          public boolean findAuthRole(String role)

      Check a role.
      Parameters:
        `role` - Role name to be checked
      Returns:
        `true` if the specified role is permitted access to the resources protected by this security constraint.

    - #### findAuthRoles

          public String[] findAuthRoles()

      Return the set of roles that are permitted access to the resources protected by this security constraint. If none have been defined, a zero-length array is returned (which implies that all authenticated users are permitted access).
      Returns:
        the roles array

    - #### findCollection

          public SecurityCollection findCollection(String name)

      Return the web resource collection for the specified name, if any; otherwise, return `null`.
      Parameters:
        `name` - Web resource collection name to return
      Returns:
        the collection

    - #### findCollections

          public SecurityCollection[] findCollections()

      Return all of the web resource collections protected by this security constraint. If there are none, a zero-length array is returned.
      Returns:
        the collections array

    - #### included

          public boolean included(String uri,
                         String method)

      Check if the constraint applies to a URI and method.
      Parameters:
        `uri` - Context-relative URI to check
        `method` - Request method being used
      Returns:
        `true` if the specified context-relative URI (and associated HTTP method) are protected by this security constraint.

    - #### removeAuthRole

          public void removeAuthRole(String authRole)

      Remove the specified role from the set of roles permitted to access the resources protected by this security constraint.
      Parameters:
        `authRole` - Role name to be removed

    - #### removeCollection

          public void removeCollection(SecurityCollection collection)

      Remove the specified web resource collection from those protected by this security constraint.
      Parameters:
        `collection` - Web resource collection to be removed

    - #### toString

          public String toString()

      Return a String representation of this security constraint.
      Overrides:
        `toString` in class `Object`

    - #### createConstraints

          public static SecurityConstraint[] createConstraints(ServletSecurityElement element,
                                               String urlPattern)

      Convert a `ServletSecurityElement` to an array of `SecurityConstraint`(s).
      Parameters:
        `element` - The element to be converted
        `urlPattern` - The url pattern that the element should be applied to
      Returns:
        The (possibly zero length) array of constraints that are the equivalent to the input

    - #### findUncoveredHttpMethods

          public static SecurityConstraint[] findUncoveredHttpMethods(SecurityConstraint[] constraints,
                                                      boolean denyUncoveredHttpMethods,
                                                      Log log)

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