org.italiangrid.storm.webdav.authz.SAPermission.java Source code

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Here is the source code for org.italiangrid.storm.webdav.authz.SAPermission.java

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/**
 * Copyright (c) Istituto Nazionale di Fisica Nucleare, 2014.
 *
 * 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 org.italiangrid.storm.webdav.authz;

import org.springframework.security.core.GrantedAuthority;

public class SAPermission implements GrantedAuthority, Comparable<SAPermission> {

    /**
     * 
     */
    private static final long serialVersionUID = 1L;

    private static final String READ_PERM = "SA_READ(%s)";
    private static final String WRITE_PERM = "SA_WRITE(%s)";

    private final String authority;

    public static SAPermission canRead(String saName) {

        return new SAPermission(String.format(READ_PERM, saName));
    }

    public static SAPermission canWrite(String saName) {

        return new SAPermission(String.format(WRITE_PERM, saName));
    }

    private SAPermission(String permission) {

        authority = permission;
    }

    @Override
    public String getAuthority() {

        return authority;
    }

    @Override
    public String toString() {

        return authority;
    }

    @Override
    public int compareTo(SAPermission that) {

        return authority.compareTo(that.authority);

    }

    @Override
    public int hashCode() {

        final int prime = 31;
        int result = 1;
        result = prime * result + ((authority == null) ? 0 : authority.hashCode());
        return result;
    }

    @Override
    public boolean equals(Object obj) {

        if (this == obj)
            return true;
        if (obj == null)
            return false;
        if (getClass() != obj.getClass())
            return false;
        SAPermission other = (SAPermission) obj;
        if (authority == null) {
            if (other.authority != null)
                return false;
        } else if (!authority.equals(other.authority))
            return false;
        return true;
    }

}