/*
*Copyright (c) 2005-2010, 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.am.admin.clients.endpoint;

import org.apache.axiom.om.OMElement;
import org.apache.axiom.om.impl.builder.StAXOMBuilder;
import org.apache.axis2.AxisFault;
import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.wso2.am.admin.clients.client.utils.AuthenticateStub;
import org.wso2.carbon.endpoint.stub.types.EndpointAdminEndpointAdminException;
import org.wso2.carbon.endpoint.stub.types.EndpointAdminStub;
import org.wso2.carbon.endpoint.stub.types.service.EndpointMetaData;

import javax.activation.DataHandler;
import javax.xml.stream.XMLInputFactory;
import javax.xml.stream.XMLStreamException;
import javax.xml.stream.XMLStreamReader;
import java.io.IOException;
import java.rmi.RemoteException;

public class EndPointAdminClient {
	private static final Log log = LogFactory.getLog(EndPointAdminClient.class);

	private final String serviceName = "EndpointAdmin";
	private EndpointAdminStub endpointAdminStub;

	public EndPointAdminClient(String backEndUrl, String sessionCookie) throws AxisFault {
		String endPoint = backEndUrl + serviceName;
		endpointAdminStub = new EndpointAdminStub(endPoint);
		AuthenticateStub.authenticateStub(sessionCookie, endpointAdminStub);
	}

	public EndPointAdminClient(String backEndURL, String userName, String password)
			throws AxisFault {
		String endPoint = backEndURL + serviceName;
		endpointAdminStub = new EndpointAdminStub(endPoint);
		AuthenticateStub.authenticateStub(userName, password, endpointAdminStub);
	}

	public boolean addEndPoint(DataHandler dh)
			throws EndpointAdminEndpointAdminException, IOException, XMLStreamException {
		XMLStreamReader parser =
				XMLInputFactory.newInstance().createXMLStreamReader(dh.getInputStream());
		//create the builder
		StAXOMBuilder builder = new StAXOMBuilder(parser);
		OMElement endPointElem = builder.getDocumentElement();
		return endpointAdminStub.addEndpoint(endPointElem.toString());
	}

	public boolean addEndPoint(OMElement endPointElem)
			throws EndpointAdminEndpointAdminException, IOException, XMLStreamException {
		return endpointAdminStub.addEndpoint(endPointElem.toString());
	}

	public boolean addDynamicEndPoint(String key, DataHandler dh)
			throws EndpointAdminEndpointAdminException, IOException, XMLStreamException {
		XMLStreamReader parser =
				XMLInputFactory.newInstance().createXMLStreamReader(dh.getInputStream());
		//create the builder
		StAXOMBuilder builder = new StAXOMBuilder(parser);
		OMElement endPointElem = builder.getDocumentElement();
		return endpointAdminStub.addDynamicEndpoint(key, endPointElem.toString());
	}

	public boolean addDynamicEndPoint(String key, OMElement endPointElem)
			throws EndpointAdminEndpointAdminException, IOException, XMLStreamException {
		return endpointAdminStub.addDynamicEndpoint(key, endPointElem.toString());
	}

	public int getEndpointCount() throws EndpointAdminEndpointAdminException, RemoteException {
		return endpointAdminStub.getEndpointCount();
	}

	public String[] getEndpointNames() throws EndpointAdminEndpointAdminException, RemoteException {
		return endpointAdminStub.getEndPointsNames();
	}

	public int getDynamicEndpointCount()
			throws EndpointAdminEndpointAdminException, RemoteException {
		return endpointAdminStub.getDynamicEndpointCount();
	}

	public String getDynamicEndpoint(String key)
			throws EndpointAdminEndpointAdminException, RemoteException {
		return endpointAdminStub.getDynamicEndpoint(key);
	}

	public String[] getDynamicEndpoints()
			throws EndpointAdminEndpointAdminException, RemoteException {
		return endpointAdminStub.getDynamicEndpoints();
	}

	public void enableEndpointStatistics(String endpointName)
			throws RemoteException, EndpointAdminEndpointAdminException {
		endpointAdminStub.enableStatistics(endpointName);
		String endpoint = endpointAdminStub.getEndpointConfiguration(endpointName);
		assert (endpoint.contains("statistics=\"enable"));
	}

	public boolean deleteEndpoint(String endpointName)
			throws RemoteException, EndpointAdminEndpointAdminException {
		return endpointAdminStub.deleteEndpoint(endpointName);
	}

	public boolean deleteDynamicEndpoint(String key)
			throws RemoteException, EndpointAdminEndpointAdminException {
		return endpointAdminStub.deleteDynamicEndpoint(key);
	}

	public String getEndpointConfiguration(String endpointName)
			throws RemoteException, EndpointAdminEndpointAdminException {
		return endpointAdminStub.getEndpointConfiguration(endpointName);
	}

	public EndpointMetaData[] getEndpointsData()
			throws EndpointAdminEndpointAdminException, IOException, XMLStreamException {
		return endpointAdminStub.getEndpointsData();
	}

}
