TenantSTSObserver.java

/*
 * Copyright (c) 2014, 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.identity.sts.mgt;

import org.apache.axiom.om.OMElement;
import org.apache.axis2.AxisFault;
import org.apache.axis2.description.AxisModule;
import org.apache.axis2.description.AxisService;
import org.apache.axis2.description.AxisServiceGroup;
import org.apache.axis2.description.Parameter;
import org.apache.axis2.engine.AxisConfiguration;
import org.apache.axis2.engine.AxisEvent;
import org.apache.axis2.engine.AxisObserver;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.carbon.context.PrivilegedCarbonContext;
import org.wso2.carbon.identity.provider.IdentityProviderException;
import org.wso2.carbon.identity.sts.mgt.admin.STSConfigAdmin;
import org.wso2.carbon.utils.ServerConstants;

import java.util.ArrayList;

/**
 * Observer to listen for updates to tenant's STS service. When an update occurs, it configures the STS service mainly by setting
 * the attribute callback handler.
 */
public class TenantSTSObserver implements AxisObserver {

    private static final Log log = LogFactory.getLog(TenantSTSObserver.class);

    @Override
    public void init(AxisConfiguration axisConfiguration) {
        // Nothing to implement
    }

    @Override
    public void serviceUpdate(AxisEvent axisEvent, AxisService service) {
        int eventType = axisEvent.getEventType();
        if (eventType == AxisEvent.SERVICE_DEPLOY) {
            try {
                if (ServerConstants.STS_NAME.equals(service.getName())) {
                    if (log.isDebugEnabled()) {
                        log.debug("Configuring the STS service for tenant: " +
                                  PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain() +
                                  "[" + PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId() + "]");
                    }
                    STSConfigAdmin.configureGenericSTS(service.getAxisConfiguration());
                }
            } catch (IdentityProviderException e) {
                log.error("Failed to configure STS service for tenant: " +
                          PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantId() +
                          " - " + PrivilegedCarbonContext.getThreadLocalCarbonContext().getTenantDomain(), e);
            }
        }
    }

    @Override
    public void serviceGroupUpdate(AxisEvent axisEvent, AxisServiceGroup axisServiceGroup) {
        // Nothing to implement
    }

    @Override
    public void moduleUpdate(AxisEvent axisEvent, AxisModule axisModule) {
        // Nothing to implement
    }

    @Override
    public void addParameter(Parameter parameter) throws AxisFault {
        // Nothing to implement
    }

    @Override
    public void removeParameter(Parameter parameter) throws AxisFault {
        // Nothing to implement
    }

    @Override
    public void deserializeParameters(OMElement omElement) throws AxisFault {
        // Nothing to implement
    }

    @Override
    public Parameter getParameter(String s) {
        return null;
    }

    @Override
    public ArrayList<Parameter> getParameters() {
        return null;
    }

    @Override
    public boolean isParameterLocked(String s) {
        return false;
    }
}