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/*
* 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 javax.servlet;

import java.util.ResourceBundle;

/**
 * @since Servlet 3.0
 * TODO SERVLET3 - Add comments
 */
public class HttpMethodConstraintElement extends HttpConstraintElement {

    // Can't inherit from HttpConstraintElement as API does not allow it
    private static final String LSTRING_FILE = "javax.servlet.LocalStrings";
    private static final ResourceBundle lStrings =
        ResourceBundle.getBundle(LSTRING_FILE);

    private final String methodName;

    public HttpMethodConstraintElement(String methodName) {
        if (methodName == null || methodName.length() == 0) {
            throw new IllegalArgumentException(lStrings.getString(
                    "httpMethodConstraintElement.invalidMethod"));
        }
        this.methodName = methodName;
    }

    public HttpMethodConstraintElement(String methodName,
            HttpConstraintElement constraint) {
        super(constraint.getEmptyRoleSemantic(),
                constraint.getTransportGuarantee(),
                constraint.getRolesAllowed());
        if (methodName == null || methodName.length() == 0) {
            throw new IllegalArgumentException(lStrings.getString(
                    "httpMethodConstraintElement.invalidMethod"));
        }
        this.methodName = methodName;
    }

    public String getMethodName() {
        return methodName;
    }
}