/**

  * Copyright 2005-2011 The Kuali Foundation

  *

  * Licensed under the Educational Community 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.opensource.org/licenses/ecl2.php

  *

  * 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.kuali.rice.core.api.parameter;

 import org.kuali.rice.core.api.CoreConstants;

 import org.kuali.rice.core.api.criteria.QueryByCriteria;

 import org.kuali.rice.core.api.exception.RiceIllegalArgumentException;

 import org.kuali.rice.core.api.exception.RiceIllegalStateException;

 import org.springframework.cache.annotation.CacheEvict;

 import org.springframework.cache.annotation.Cacheable;

 import javax.jws.WebMethod;

 import javax.jws.WebParam;

 import javax.jws.WebResult;

 import javax.jws.WebService;

 import javax.jws.soap.SOAPBinding;

 import javax.xml.bind.annotation.XmlElement;

 import javax.xml.bind.annotation.XmlElementWrapper;

 import java.util.Collection;

 /**

  * Service for interacting with {@link Parameter Parameters}.

  */

 @WebService(name = "parameterService", targetNamespace = CoreConstants.Namespaces.CORE_NAMESPACE_2_0)

 @SOAPBinding(style = SOAPBinding.Style.DOCUMENT, use = SOAPBinding.Use.LITERAL, parameterStyle = SOAPBinding.ParameterStyle.WRAPPED)

 public interface ParameterRepositoryService {

     /**

      * This will create a {@link Parameter} exactly like the parameter passed in.

      *

      * @param parameter the parameter to create

      * @return the parameter that was created

      * @throws IllegalArgumentException if the parameter is null

      * @throws IllegalStateException if the parameter is already existing in the system

      */

     @WebMethod(operationName="createParameter")

     @WebResult(name = "parameter")

     @CacheEvict(value={Parameter.Cache.NAME}, allEntries = true)

     Parameter createParameter(@WebParam(name = "parameter") Parameter parameter)

             throws RiceIllegalArgumentException, RiceIllegalStateException;

     /**

      * This will update a {@link Parameter}.

      *

      *  <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will update that parameter.

      * </p>

      *

      * @param parameter the parameter to update

      * @return the parameter that was updated

      * @throws IllegalArgumentException if the parameter is null

      * @throws IllegalStateException if the parameter does not exist in the system under the

      * specific application id or default rice application id

      */

     @WebMethod(operationName="updateParameter")

     @WebResult(name = "parameter")

     @CacheEvict(value={Parameter.Cache.NAME}, allEntries = true)

     Parameter updateParameter(@WebParam(name = "parameter") Parameter parameter)

             throws RiceIllegalArgumentException, RiceIllegalStateException;

     /**

      * Gets a {@link Parameter} from a {@link ParameterKey}.

      *

      * <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will return null if the parameter does not exist.

      * </p>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @return a {@link Parameter} or null

      * @throws IllegalArgumentException if the key is null

      */

     @WebMethod(operationName="getParameter")

     @WebResult(name = "parameter")

     @Cacheable(value= Parameter.Cache.NAME, key="'key=' + #p0.hashCode()")

     Parameter getParameter(@WebParam(name = "key") ParameterKey key) throws RiceIllegalArgumentException;

     /**

      * Gets a {@link ParameterContract#getValue()} from a {@link ParameterKey}.

      *

      *  <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will return null if the parameter does not exist.

      * </p>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @return a string value or null

      * @throws IllegalArgumentException if the key is null

      */

     @WebMethod(operationName="getPropertyValueAsString")

     @WebResult(name = "value")

     @Cacheable(value= Parameter.Cache.NAME, key="'{getParameterValueAsString}' + 'key=' + #p0.hashCode()")

     String getParameterValueAsString(@WebParam(name = "key") ParameterKey key) throws RiceIllegalArgumentException;

     /**

      * Gets a {@link ParameterContract#getValue()} as a Boolean from a {@link ParameterKey}.

      *

      * <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will return null if the parameter does not exist or is not a valid truth value.

      * </p>

      *

      * valid true values (case insensitive):

      * <ul>

      *     <li>Y</li>

      *     <li>true</li>

      *     <li>on</li>

      *     <li>1</li>

      *     <li>t</li>

      *     <li>enabled</li>

      * </ul>

      *

      * valid false values (case insensitive):

      * <ul>

      *     <li>N</li>

      *     <li>false</li>

      *     <li>off</li>

      *     <li>0</li>

      *     <li>f</li>

      *     <li>disabled</li>

      * </ul>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @return a boolean value or null

      * @throws IllegalArgumentException if the key is null

      */

     @WebMethod(operationName="getParameterValueAsBoolean")

     @WebResult(name = "value")

     @Cacheable(value= Parameter.Cache.NAME, key="'{getParameterValueAsBoolean}' + 'key=' + #p0.hashCode()")

     Boolean getParameterValueAsBoolean(@WebParam(name = "key") ParameterKey key) throws RiceIllegalArgumentException;

     /**

      * Gets a {@link ParameterContract#getValue()} from a {@link ParameterKey}

      * where the value is split on a semi-colon delimeter and each token is trimmed

      * of white space.

      *

      * for example:  param_name=foo; bar; baz

      *

      * will yield a collection containing foo, bar, baz

      *

      * <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will always return an <b>immutable</b> Collection

      *   even when no values exist.

      * </p>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @return an immutable collection of strings

      * @throws IllegalArgumentException if the key is null

      */

     @WebMethod(operationName="getParameterValuesAsString")

     @XmlElementWrapper(name = "values", required = true)

     @XmlElement(name = "value", required = false)

     @WebResult(name = "values")

     @Cacheable(value= Parameter.Cache.NAME, key="'{getParameterValuesAsString}' + 'key=' + #p0.hashCode()")

     Collection<String> getParameterValuesAsString(@WebParam(name = "key") ParameterKey key) throws RiceIllegalArgumentException;

     /**

      * Gets a {@link ParameterContract#getValue()} from a {@link ParameterKey}

      * where the value is split on a semi-colon delimeter and each token is trimmed

      * of white space.  Those values are themselves keyvalue pairs which are searched

      * for the sub parameter name.

      *

      * for example:

      *

      * param_name=foo=f1; bar=b1; baz=z1

      * subParameterName=bar

      *

      * will yield b1

      *

      * <p>if multiple subparameters are contained in the parameter value the first one is returned</p>

      *

      * <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will always return null when the subparameter does not

      *   exist or if the parameter value does not conform to the following format(s):

      *   <ol>

      *      <li>subparameter_name=subparameter_value;</li>

      *   </ol>

      * </p>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @param subParameterName the sub parameter to search for

      * @return a string value or null

      * @throws IllegalArgumentException if the key is null or if the subParameterName is blank

      */

     @WebMethod(operationName="getSubParameterValueAsString")

     @WebResult(name = "value")

     @Cacheable(value= Parameter.Cache.NAME, key="'{getSubParameterValueAsString}' + 'key=' + #p0.hashCode() + '|' + 'subParameterName=' + #p1")

     String getSubParameterValueAsString(@WebParam(name = "key") ParameterKey key,

                                         @WebParam(name = "subParameterName") String subParameterName)

             throws RiceIllegalArgumentException;

     /**

      * Gets a {@link ParameterContract#getValue()} from a {@link ParameterKey}

      * where the value is split on a semi-colon delimeter and each token is trimmed

      * of white space.  Those values are themselves keyvalue pairs which are searched

      * for the sub parameter name.  After the sub parameter is found it is split on a comma

      * and trimmed or whitespace before adding it to the final collection for return.

      *

      * for example:

      *

      * param_name=foo=f1,f2,f3; bar=b1,b2; baz=z1

      * subParameterName=bar

      *

      * will yield a collection containing b1, b2

      *

      * <p>if multiple subparameters are contained in the parameter value the first one is returned</p>

      *

      * <p>

      *     If the parameter does not exist under the application

      *     code passed, then this method will check if the parameter

      *     exists under the default rice application id and

      *     will return that parameter.

      * </p>

      *

      * <p>

      *   This method will always return an <b>immutable</b> Collection

      *   even when no values exist.

      * </p>

      *

      *  <p>

      *   This method will always return an empty <b>immutable</b> Collection when

      *   the subparameter does not exist or if the parameter value does not

      *   conform to the following format(s):

      *   <ol>

      *      <li>subparameter_name=subparameter_value;</li>

      *      <li>subparameter_name=subparameter_value1, subparameter_value2;</li>

      *      <li>subparameter_name=subparameter_value1, subparameter_value2,;</li>

      *   </ol>

      * </p>

      *

      * @param key the key to retrieve the parameter by. cannot be null.

      * @param subParameterName the sub parameter to search for

      * @return an immutable collection of strings

      * @throws IllegalArgumentException if the key is null or if the subParameterName is blank

      */

     @WebMethod(operationName="getSubParameterValuesAsString")

     @XmlElementWrapper(name = "values", required = true)

     @XmlElement(name = "value", required = false)

     @WebResult(name = "values")

     @Cacheable(value= Parameter.Cache.NAME, key="'{getSubParameterValuesAsString}' + 'key=' + #p0.hashCode() + '|' + 'subParameterName=' + #p1")

     Collection<String> getSubParameterValuesAsString(@WebParam(name = "key") ParameterKey key,

                                                      @WebParam(name = "subParameterName") String subParameterName)

             throws RiceIllegalArgumentException;

     @WebMethod(operationName="findParameters")

     @WebResult(name = "results")

     ParameterQueryResults findParameters(@WebParam(name = "query") QueryByCriteria queryByCriteria) throws RiceIllegalArgumentException;

 }