RequestProcessorDispatcherUtil.java

/*
 * Copyright (c) 2016, WSO2 Inc. (http://www.wso2.org) All Rights Reserved.
 *
 * WSO2 Inc. 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.wso2.carbon.mediation.transport.handlers.utils;

import org.apache.axis2.context.ConfigurationContext;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.apache.synapse.config.SynapseConfigUtils;
import org.wso2.carbon.core.multitenancy.utils.TenantAxisUtils;
import org.wso2.carbon.utils.multitenancy.MultitenantConstants;

/**
 * This class check whether there is an API found for the given URI in both super tenant and tenant spaces
 */
public class RequestProcessorDispatcherUtil {
    private static final Log log = LogFactory.getLog(RequestProcessorDispatcherUtil.class);
    /**
     * Evaluates the given URI to find any matching API
     *
     * @param requestUri           URI of the request
     * @param configurationContext Configuration Context
     * @return True if API is found, false otherwise
     */
    public static boolean isDispatchToApiGetProcessor(String requestUri, ConfigurationContext configurationContext) {
        boolean foundNewTenant = false;
        String apiName = null;
        String tenantDomain = MultitenantConstants.SUPER_TENANT_DOMAIN_NAME;
        String pathSeparator = "/";

        if (requestUri.contains(pathSeparator + MultitenantConstants.TENANT_AWARE_URL_PREFIX + pathSeparator)) {
            String[] paths = requestUri.split(pathSeparator);
            boolean foundTenantDelimiter = false;

            for (String pathString : paths) {
                if (!foundTenantDelimiter && MultitenantConstants.TENANT_AWARE_URL_PREFIX.equals(pathString)) {
                    foundTenantDelimiter = true;
                } else if (foundTenantDelimiter && MultitenantConstants.SUPER_TENANT_DOMAIN_NAME.equals(tenantDomain)) {
                    tenantDomain = pathString;
                    foundNewTenant = true;
                } else if (foundNewTenant) {
                    apiName = pathString;
                    break;
                }
            }
        } else {
            apiName = requestUri.substring(1);
        }
        if (apiName != null) {
            //if the reuest is for tenant, load the tenant before proceed
            if (foundNewTenant) {
                TenantAxisUtils.getTenantConfigurationContext(tenantDomain, configurationContext);
            }
            //check the API in synapse configurations based on current tenant
            if (SynapseConfigUtils.getSynapseConfiguration(tenantDomain).getAPI(apiName) != null) {
                return true;
            }
        }
        return false;
    }
}