ServiceInfoMapperImpl

package it.nch.yava.rte.wfm.services.mapper;import java.util.HashMap;import java.util.Map;public class ServiceInfoMapperImpl implements ServiceInfoMapper {    private Map map = new HashMap();        public ServiceInfoSupplier getServiceInfo(ServiceName serviceName, String portName, String operationName) {        return getServiceInfo(createServiceKey(serviceName, portName, operationName));    }        private ServiceInfoSupplier getServiceInfo(ServiceId key) {        return (ServiceInfoSupplier) map.get(key);    }        public void addServiceInfo(ServiceName serviceName, String portName, String operationName, ServiceInfoSupplier serviceInfoSupplier) {        addServiceInfo(createServiceKey(serviceName, portName, operationName), serviceInfoSupplier);    }        private void addServiceInfo(ServiceId key, ServiceInfoSupplier serviceInfoSupplier) {        if (map.containsKey(key)) {            throw new ServiceInfoMapperException("Service info key [" + key + "] already present in map!");        }        map.put(key, serviceInfoSupplier);    }        private static ServiceId createServiceKey(ServiceName serviceName, String portName, String operationName) {        return new ServiceId(serviceName, portName, operationName);    }    private static class ServiceId {        private final ServiceName serviceName;        private final String portName;        private final String operationName;                public ServiceId(final ServiceName serviceName, final String portName, final String operationName) {            checkParametersForValidity(serviceName, portName, operationName);            this.serviceName = serviceName;            this.portName = portName;            this.operationName = operationName;        }                private void checkParametersForValidity(ServiceName serviceName, String portName, String operationName) {            if (serviceName == null || portName == null || operationName == null) {                throw new IllegalArgumentException("Arguments in ServiceId cannot be null!");            }        }        @Override        public boolean equals(Object obj) {            boolean result = false;            if (obj instanceof ServiceId) {                ServiceId oKey = (ServiceId) obj;                result = serviceName.equals(oKey.serviceName) &&                 portName.equals(oKey.portName) &&                 operationName.equals(oKey.operationName);            }            return result;        }        @Override        public int hashCode() {            int result = 17;            result *= 37 + serviceName.hashCode();             result *= 37 + portName.hashCode();             result *= 37 + operationName.hashCode();             return result;        }        @Override        public String toString() {            return "[serviceName=[" + serviceName + "] portName=[" + portName + "] operationName=[" + operationName + "]]";        }    }}