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Servlet-specific additions allowing one to more easily deploy the Stormpath SDK in a servlet-container-based web application.

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/*
 * Copyright 2015 Stormpath, Inc.
 *
 * Licensed 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 com.stormpath.sdk.servlet.http;

import com.stormpath.sdk.lang.Assert;

import java.io.Serializable;
import java.security.Principal;

/**
 * @since 1.0.RC3
 */
public class StringPrincipal implements Principal, Serializable {

    private final String value;

    public StringPrincipal(String value) {
        Assert.hasText(value, "String argument cannot be null or empty.");
        this.value = value;
    }

    @Override
    public int hashCode() {
        return value.hashCode();
    }

    @Override
    public boolean equals(Object obj) {
        return obj == this || obj instanceof StringPrincipal && value.equals(((StringPrincipal) obj).value);
    }

    @Override
    public String toString() {
        return value;
    }

    @Override
    public String getName() {
        return value;
    }
}