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This module is provides set of base IAM utilities.
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/*
 * Copyright 2012 AMG.lab, a Bull Group Company
 * 
 * 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.xlcloud.iam;

import com.iplanet.am.util.SystemProperties;

/**
 * Set of utilities for IAM integration
 * 
 * @author Jakub Wachowski, AMG.net
 * @author Piotr Kulasek-Szwed, AMG.net
 */
public class IamUtils {
    
    public static final String REST_SERVICE_NAME = "xlcRestAppl";

    /**
     * Reads ClientSDK property from AMConfig.properties
     * 
     * @throws RuntimeException
     *             if property value is null or empty
     */
    public static String getNonEmptyClientSdkProperty(ClientSdkProperty property) {
        String value = SystemProperties.get(property.toString());
        if (value == null || value.isEmpty()) {
            throw new RuntimeException("Unable to read the " + property.toString() + " property.");
        }
        return value;
    }

    /**
     * Reads ClientSDK property from AMConfig.properties
     */
    public static String getClientSdkProperty(ClientSdkProperty property) {
        return SystemProperties.get(property.toString());
    }

    /**
     * Returns openam url (i.e. protocol://host:port/deploy_url) from ClientSDK
     * configuration
     * 
     * @return
     */
    public static String getOpenAmUrl() {
        return IamUtils.getNonEmptyClientSdkProperty(ClientSdkProperty.OPENAM_URL_PROTOCOL) + "://"
                + IamUtils.getNonEmptyClientSdkProperty(ClientSdkProperty.OPENAM_URL_HOST) + ":"
                + IamUtils.getNonEmptyClientSdkProperty(ClientSdkProperty.OPENAM_URL_PORT)
                + IamUtils.getNonEmptyClientSdkProperty(ClientSdkProperty.OPENAM_URL_DEPLOYMENT);
    }

    // do not allow to create instance of this class
    private IamUtils() {
        throw new AssertionError();
    }

}