com.excilys.ebi.bank.service.impl.security.SimpleAccessControlEntryImpl.java Source code

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Here is the source code for com.excilys.ebi.bank.service.impl.security.SimpleAccessControlEntryImpl.java

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/**
 * Copyright 2011-2012 eBusiness Information, Groupe Excilys (www.excilys.com)
 *
 * 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.excilys.ebi.bank.service.impl.security;

import java.io.Serializable;

import org.springframework.security.acls.model.AccessControlEntry;
import org.springframework.security.acls.model.Acl;
import org.springframework.security.acls.model.Permission;
import org.springframework.security.acls.model.Sid;
import org.springframework.util.Assert;

public class SimpleAccessControlEntryImpl implements AccessControlEntry {

    private static final long serialVersionUID = -6381437038368669206L;

    private final Acl acl;
    private Permission permission;
    private final Sid sid;
    private final boolean granting;

    public SimpleAccessControlEntryImpl(Acl acl, Sid sid, Permission permission, boolean granting) {
        Assert.notNull(acl, "Acl required");
        Assert.notNull(sid, "Sid required");
        Assert.notNull(permission, "Permission required");
        this.acl = acl; // can be null
        this.sid = sid;
        this.permission = permission;
        this.granting = granting;
    }

    public boolean equals(Object arg0) {
        if (!(arg0 instanceof SimpleAccessControlEntryImpl)) {
            return false;
        }

        SimpleAccessControlEntryImpl rhs = (SimpleAccessControlEntryImpl) arg0;

        if (this.acl == null) {
            if (rhs.getAcl() != null) {
                return false;
            }
            // Both this.acl and rhs.acl are null and thus equal
        } else {
            // this.acl is non-null
            if (rhs.getAcl() == null) {
                return false;
            }

            // Both this.acl and rhs.acl are non-null, so do a comparison
            if (this.acl.getObjectIdentity() == null) {
                if (rhs.acl.getObjectIdentity() != null) {
                    return false;
                }
                // Both this.acl and rhs.acl are null and thus equal
            } else {
                // Both this.acl.objectIdentity and rhs.acl.objectIdentity are
                // non-null
                if (!this.acl.getObjectIdentity().equals(rhs.getAcl().getObjectIdentity())) {
                    return false;
                }
            }
        }

        return true;
    }

    public Acl getAcl() {
        return acl;
    }

    @Override
    public Serializable getId() {
        return null;
    }

    public Permission getPermission() {
        return permission;
    }

    public Sid getSid() {
        return sid;
    }

    public boolean isGranting() {
        return granting;
    }

    void setPermission(Permission permission) {
        Assert.notNull(permission, "Permission required");
        this.permission = permission;
    }

    public String toString() {
        StringBuilder sb = new StringBuilder();
        sb.append("SimpleAccessControlEntryImpl[");
        sb.append("granting: ").append(this.granting).append("; ");
        sb.append("sid: ").append(this.sid).append("; ");
        sb.append("permission: ").append(this.permission);
        sb.append("]");

        return sb.toString();
    }
}