SSL HttpConstraintElement.java Sprache: JAVA

/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements.  See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License.  You may obtain a copy of the License at
*
*     http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
package jakarta.servlet;

import java.util.ResourceBundle;

import jakarta.servlet.annotation.ServletSecurity.EmptyRoleSemantic;
import jakarta.servlet.annotation.ServletSecurity.TransportGuarantee;

/**
* Equivalent of {@link jakarta.servlet.annotation.HttpConstraint} for programmatic configuration of security
* constraints.
*
* @since Servlet 3.0
*/
public class HttpConstraintElement {

    private static final String LSTRING_FILE = "jakarta.servlet.LocalStrings";
    private static final ResourceBundle lStrings = ResourceBundle.getBundle(LSTRING_FILE);

    private final EmptyRoleSemantic emptyRoleSemantic;// = EmptyRoleSemantic.PERMIT;
    private final TransportGuarantee transportGuarantee;// = TransportGuarantee.NONE;
    private final String[] rolesAllowed;// = new String[0];

    /**
     * Default constraint is permit with no transport guarantee.
     */
    public HttpConstraintElement() {
        // Default constructor
        this.emptyRoleSemantic = EmptyRoleSemantic.PERMIT;
        this.transportGuarantee = TransportGuarantee.NONE;
        this.rolesAllowed = new String[0];
    }

    /**
     * Construct a constraint with an empty role semantic. Typically used with {@link EmptyRoleSemantic#DENY}.
     *
     * @param emptyRoleSemantic The empty role semantic to apply to the newly created constraint
     */
    public HttpConstraintElement(EmptyRoleSemantic emptyRoleSemantic) {
        this.emptyRoleSemantic = emptyRoleSemantic;
        this.transportGuarantee = TransportGuarantee.NONE;
        this.rolesAllowed = new String[0];
    }

    /**
     * Construct a constraint with a transport guarantee and roles.
     *
     * @param transportGuarantee The transport guarantee to apply to the newly created constraint
     * @param rolesAllowed       The roles to associate with the newly created constraint
     */
    public HttpConstraintElement(TransportGuarantee transportGuarantee, String... rolesAllowed) {
        this.emptyRoleSemantic = EmptyRoleSemantic.PERMIT;
        this.transportGuarantee = transportGuarantee;
        this.rolesAllowed = rolesAllowed;
    }

    /**
     * Construct a constraint with an empty role semantic, a transport guarantee and roles.
     *
     * @param emptyRoleSemantic  The empty role semantic to apply to the newly created constraint
     * @param transportGuarantee The transport guarantee to apply to the newly created constraint
     * @param rolesAllowed       The roles to associate with the newly created constraint
     *
     * @throws IllegalArgumentException if roles are specified when DENY is used
     */
    public HttpConstraintElement(EmptyRoleSemantic emptyRoleSemantic, TransportGuarantee transportGuarantee,
            String... rolesAllowed) {
        if (rolesAllowed != null && rolesAllowed.length > 0 && EmptyRoleSemantic.DENY.equals(emptyRoleSemantic)) {
            throw new IllegalArgumentException(lStrings.getString("httpConstraintElement.invalidRolesDeny"));
        }
        this.emptyRoleSemantic = emptyRoleSemantic;
        this.transportGuarantee = transportGuarantee;
        this.rolesAllowed = rolesAllowed;
    }

    /**
     * TODO
     *
     * @return TODO
     */
    public EmptyRoleSemantic getEmptyRoleSemantic() {
        return emptyRoleSemantic;
    }

    /**
     * TODO
     *
     * @return TODO
     */
    public TransportGuarantee getTransportGuarantee() {
        return transportGuarantee;
    }

    /**
     * TODO
     *
     * @return TODO
     */
    public String[] getRolesAllowed() {
        return rolesAllowed;
    }
}

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