/*
 *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.esb.integration.common.clients.template;

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.carbon.mediation.templates.endpoint.stub.types.EndpointTemplateAdminServiceStub;
import org.wso2.carbon.mediation.templates.endpoint.stub.types.common.EndpointTemplateInfo;
import org.wso2.esb.integration.common.clients.client.utils.AuthenticateStub;

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

/*
This class can be used to manage ESB Endpoint templates
*/
public class EndpointTemplateAdminServiceClient {
    private static final Log log = LogFactory.getLog(EndpointTemplateAdminServiceClient.class);

    private final String serviceName = "EndpointTemplateAdminService";
    private EndpointTemplateAdminServiceStub endpointTemplateAdminStub;

    public EndpointTemplateAdminServiceClient(String backEndUrl, String sessionCookie) throws AxisFault {
        String endPoint = backEndUrl + serviceName;
        endpointTemplateAdminStub = new EndpointTemplateAdminServiceStub(endPoint);
        AuthenticateStub.authenticateStub(sessionCookie, endpointTemplateAdminStub);
    }

    public EndpointTemplateAdminServiceClient(String backEndUrl, String userName, String password) throws AxisFault {
        String endPoint = backEndUrl + serviceName;
        endpointTemplateAdminStub = new EndpointTemplateAdminServiceStub(endPoint);
        AuthenticateStub.authenticateStub(userName, password, endpointTemplateAdminStub);
    }

    public void addEndpointTemplate(OMElement endpointTemplate) throws RemoteException {
        endpointTemplateAdminStub.addEndpointTemplate(endpointTemplate.toString());
    }

    public void addEndpointTemplate(DataHandler dh) throws IOException, XMLStreamException {
        XMLStreamReader parser = XMLInputFactory.newInstance().createXMLStreamReader(dh.getInputStream());
        //create the builder
        StAXOMBuilder builder = new StAXOMBuilder(parser);
        OMElement endpointTemplate = builder.getDocumentElement();
        endpointTemplateAdminStub.addEndpointTemplate(endpointTemplate.toString());
    }

    public void addDynamicEndpointTemplate(String key, OMElement endpointTemplate) throws RemoteException {
        endpointTemplateAdminStub.addDynamicEndpointTemplate(key, endpointTemplate.toString());
    }

    public void addDynamicEndpointTemplate(String key, DataHandler dh) throws IOException, XMLStreamException {
        XMLStreamReader parser = XMLInputFactory.newInstance().createXMLStreamReader(dh.getInputStream());
        //create the builder
        StAXOMBuilder builder = new StAXOMBuilder(parser);
        OMElement endpointTemplate = builder.getDocumentElement();
        endpointTemplateAdminStub.addDynamicEndpointTemplate(key, endpointTemplate.toString());
    }

    public void deleteEndpointTemplate(String templateName) throws RemoteException {
        endpointTemplateAdminStub.deleteEndpointTemplate(templateName);
    }

    public void deleteDynamicEndpointTemplate(String key) throws RemoteException {
        endpointTemplateAdminStub.deleteDynamicEndpointTemplate(key);
    }

    public int getDynamicEndpointTemplatesCount() throws RemoteException {
        return endpointTemplateAdminStub.getDynamicEndpointTemplatesCount();
    }

    public int getEndpointTemplatesCount() throws RemoteException {
        return endpointTemplateAdminStub.getEndpointTemplatesCount();
    }

    public String[] getEndpointTemplates() throws RemoteException {
        EndpointTemplateInfo[] info = endpointTemplateAdminStub.getEndpointTemplates(0, 200);
        if (info == null || info.length == 0) {
            return null;
        }
        String[] templates = new String[info.length];
        int i = 0;
        for (EndpointTemplateInfo tmpInfo : info) {
            templates[i++] = tmpInfo.getTemplateName();
        }
        return templates;
    }

    public OMElement getEndpointTemplate(String name) throws RemoteException {
        return endpointTemplateAdminStub.getTemplate(name);
    }

    public boolean hasDuplicateEndpointTemplate(String element) throws RemoteException {
        return endpointTemplateAdminStub.hasDuplicateTempleteEndpoint(element);
    }

    public void saveEndpointTemplate(String element) throws RemoteException {
        endpointTemplateAdminStub.saveEndpointTemplate(element);
    }

}

