org.springframework.security.core.authority.SimpleGrantedAuthority.java Source code

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Here is the source code for org.springframework.security.core.authority.SimpleGrantedAuthority.java

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/*
 * Copyright 2002-2016 the original author or authors.
 *
 * 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
 *
 *      https://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 org.springframework.security.core.authority;

import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.SpringSecurityCoreVersion;
import org.springframework.util.Assert;

/**
 * Basic concrete implementation of a {@link GrantedAuthority}.
 *
 * <p>
 * Stores a {@code String} representation of an authority granted to the
 * {@link org.springframework.security.core.Authentication Authentication} object.
 *
 * @author Luke Taylor
 */
public final class SimpleGrantedAuthority implements GrantedAuthority {

    private static final long serialVersionUID = SpringSecurityCoreVersion.SERIAL_VERSION_UID;

    private final String role;

    public SimpleGrantedAuthority(String role) {
        Assert.hasText(role, "A granted authority textual representation is required");
        this.role = role;
    }

    @Override
    public String getAuthority() {
        return role;
    }

    @Override
    public boolean equals(Object obj) {
        if (this == obj) {
            return true;
        }

        if (obj instanceof SimpleGrantedAuthority) {
            return role.equals(((SimpleGrantedAuthority) obj).role);
        }

        return false;
    }

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

    @Override
    public String toString() {
        return this.role;
    }
}