/*******************************************************************************
 *  Copyright 2017-2018 Centre for Development of Advanced Computing(C-DAC), Pune
 *  
 * 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 cdac.medinfo.sdk.dcm30_04.services.dicomdir.testcases.defaultimplscp;
import cdac.medinfo.sdk.dcm30_04.utils.DicomConstants;


import cdac.medinfo.sdk.dcm30_04.enums.EnumLoggingLevel;

import cdac.medinfo.sdk.dcm30_04.services.dicomnetcommons.EnumDataSource;
import cdac.medinfo.sdk.dcm30_04.services.dicomnetcommons.EnumServiceType;
import cdac.medinfo.sdk.dcm30_04.services.scp.commons.ProcessHandler;
import cdac.medinfo.sdk.dcm30_04.services.scp.commons.SCPSession;
import cdac.medinfo.sdk.dcm30_04.utils.DicomConfig;
import cdac.medinfo.sdk.dcm30_04.services.dimsecommons.IDataSource;
import cdac.medinfo.sdk.dcm30_04.services.dicomdir.DICOMDIRSourceImpl;

/**
 * This is the default implementation of the sample test code for C-Get Services.
 * This sample codes is to show the handling of connection, association and service request 
 * by the default Process Handler Implementation of the SDK.
 * The Sample Test code should be extended from the ProcessHandler class of SDK for DICOM.
 * Then all the connection , association and service requests are handled by the deafult implementaion
 * of the SDK.
 */
public class CGet_SCP_DICOMDIR_Def_ProcHandler 
{
	public static void main(String args[])
	{
		try
		{
			DicomConfig objDicomConfig = DicomConfig.createInstance();

			/*enable logging,specify the path of the directory where log files are created.
			User can specify any directory in place of 'c:\DCM_Logs'. It should have read and write permision
			for that directory.
			If no directory is defined by user to create logs then it is created in User Temp DIR.
			 */
			objDicomConfig.enableLogging(EnumLoggingLevel.INFO, "C:\\DICOM_LOGS");

			//Creates CGet_SCP.
			CGetSCPHandler scp = new CGetSCPHandler();
			scp.addSourceImpl();

			//Created SCP session and set Default association and Process Handler on it.
			SCPSession session = new SCPSession();

			/*
			 * Initializes the service types and sets it on SCP Session
			 * EnumService Type configures SCP Session to load corresponding association context and start
			 * corresponding DIMSE Services.
			 */
			EnumServiceType []arrenumServiceType = new EnumServiceType[2];
			arrenumServiceType[0] = EnumServiceType.CSTORE_DEFAULT;
			arrenumServiceType[1] = EnumServiceType.CGET;
			session.selectServices(arrenumServiceType);

			//Set Process Handler as the SCP TestCode
			session.setIProcessHandler(scp);
			
			/*
			 * Setting time out as 5000 milli second. It will wait 5000 mili seconds for read and write operation.
			 * If in the time specified (5000 ms) read or write operation is not performed then 
			 * session is time out.
			 */ 
			//session.setTimeOut(5000);

			//Start the Session
			session.start("SDK", 9000);
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
}

/**
 * This class inherits all the lifecycle methods involved in a communication with client.
 * This class is extened from the ProcessHandler class of the SDK for DICOM.
 * ProcessHandler class is the default processor of SDK for DICOM which is capable
 * of handling connection , association and serive requests. It process all the request , 
 * generates response and sents it to SCU.
 * Once the required parameters are set on ProcessHandler class of SDK for DICOM
 * then it will handle all the Association and Service requests.
 */
class CGetSCPHandler extends ProcessHandler
{
	public void addSourceImpl()
	{
		try
		{	
			/*
			 * Create IDataSource with Storage Path where the DICOMDIR persists.
			 * DICOMDIRSourceImpl is an implementation of library which uses DICOMDIR to 
			 * find Data Elements.The user has to specify the path of DICOMDIR before connection
			 * This IDataSource should be set in CFind SCP.
			 * User can also provide its own implementation of IDataSink interface
			 * to find the attributes.
			 */
			IDataSource objIDataSource = new DICOMDIRSourceImpl("C:\\StoragePath");
			addDataSource(EnumDataSource.CSERVICES, objIDataSource);
		}
		catch(Exception e)
		{
			e.printStackTrace();
		}
	}
}
