trunk/chemistry-opencmis-server/chemistry-opencmis-server-inmemory/src/main/java/org/apache/chemistry/opencmis/inmemory/storedobj/impl/Permission.java

/*
 * 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 org.apache.chemistry.opencmis.inmemory.storedobj.impl;

import org.apache.chemistry.opencmis.commons.BasicPermissions;

public enum Permission {
    NONE("none"), READ("read"), WRITE("write"), ALL("all");

    private enum EnumBasicPermissions {

        CMIS_READ(BasicPermissions.READ), CMIS_WRITE(BasicPermissions.WRITE), CMIS_ALL(BasicPermissions.ALL);
        private final String value;

        EnumBasicPermissions(String v) {
            value = v;
        }

        public String value() {
            return value;
        }

        public static EnumBasicPermissions fromValue(String v) {
            for (EnumBasicPermissions c : EnumBasicPermissions.values()) {
                if (c.value.equals(v)) {
                    return c;
                }
            }
            throw new IllegalArgumentException(v);
        }
    }

    private final String value;

    Permission(String v) {
        value = v;
    }

    public String value() {
        return value;
    }

    public static Permission fromValue(String v) {
        for (Permission c : Permission.values()) {
            if (c.value.equals(v)) {
                return c;
            }
        }
        throw new IllegalArgumentException(v);
    }

    public static Permission fromCmisString(String strPerm) {
        Permission permission;
        if (strPerm.equals(EnumBasicPermissions.CMIS_READ.value())) {
            permission = Permission.READ;
        } else if (strPerm.equals(EnumBasicPermissions.CMIS_WRITE.value())) {
            permission = Permission.WRITE;
        } else if (strPerm.equals(EnumBasicPermissions.CMIS_ALL.value())) {
            permission = Permission.ALL;
        } else {
            throw new IllegalArgumentException("InMemory only supports CMIS basic permissions read, write, all.");
        }
        return permission;
    }

    public String toCmisString() {
        if (this.equals(READ)) {
            return EnumBasicPermissions.CMIS_READ.value();
        } else if (this.equals(WRITE)) {
            return EnumBasicPermissions.CMIS_WRITE.value();
        } else if (this.equals(ALL)) {
            return EnumBasicPermissions.CMIS_ALL.value();
        } else {
            return "";
        }
    }
}