/*
* Copyright 2010-2011, Social Music Discovery project
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions are met:
* * Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* * Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* * Neither the name of Social Music Discovery project nor the
* names of its contributors may be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
* DISCLAIMED. IN NO EVENT SHALL SOCIAL MUSIC DISCOVERY PROJECT BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
* ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
* SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
package org.socialmusicdiscovery.server.api.management.config;
import com.google.gson.annotations.Expose;
import org.codehaus.jettison.json.JSONException;
import org.socialmusicdiscovery.server.api.management.AbstractCRUDFacade;
import org.socialmusicdiscovery.server.business.logic.InjectHelper;
import org.socialmusicdiscovery.server.business.logic.config.MergedConfigurationManager;
import org.socialmusicdiscovery.server.business.logic.config.PersistentConfigurationManager;
import org.socialmusicdiscovery.server.business.model.config.ConfigurationParameter;
import org.socialmusicdiscovery.server.business.model.config.ConfigurationParameterEntity;
import org.socialmusicdiscovery.server.business.repository.config.ConfigurationParameterRepository;
import org.socialmusicdiscovery.server.support.copy.CopyHelper;
import javax.ws.rs.*;
import javax.ws.rs.core.MediaType;
import java.util.Collection;
/**
* Provides functionality for setting and getting configuration parameters
*/
@Path("/configurations")
public class ConfigurationFacade extends AbstractCRUDFacade<String, ConfigurationParameterEntity, ConfigurationParameterRepository> {
public ConfigurationFacade() {
InjectHelper.injectMembers(this);
}
/**
* Get a list of all available configuration parameters
*
* @return A list of all available configuration parameters
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
public Collection<ConfigurationParameterEntity> getParameters(@QueryParam("path") String path) {
if(path!=null) {
return new CopyHelper().detachedCopy(new MergedConfigurationManager(new PersistentConfigurationManager()).getParametersByPath(path), Expose.class);
}else {
return new CopyHelper().detachedCopy(new MergedConfigurationManager(new PersistentConfigurationManager()).getParameters(), Expose.class);
}
}
/**
* Get information about a specific configuration parameter
*
* @param id The identity of the configuration parameter
* @return The information about the configuration parameter or null if the parameter doesn't exist
*/
@GET
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}")
public ConfigurationParameter getParameter(@PathParam("id") String id) {
return new CopyHelper().copy(new MergedConfigurationManager(new PersistentConfigurationManager()).getParameter(id), Expose.class);
}
/**
* Create a new configuration parameter
*
* @param parameter The identity of the media importer module
* @return The information of the configuration parameter
*/
@POST
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
public ConfigurationParameterEntity createParameter(ConfigurationParameterEntity parameter) throws JSONException {
try {
transactionManager.begin();
return new CopyHelper().copy(super.createEntity(parameter), Expose.class);
}catch (RuntimeException e) {
transactionManager.setRollbackOnly();
throw e;
}finally {
transactionManager.end();
}
}
/**
* Updates a configuration parameter
*
* @param id The identity of the media importer module
* @return The information of the configuration parameter
*/
@PUT
@Consumes(MediaType.APPLICATION_JSON)
@Produces(MediaType.APPLICATION_JSON)
@Path("/{id}")
public ConfigurationParameter updateParameter(@PathParam("id") String id, ConfigurationParameterEntity entity) throws JSONException {
try {
transactionManager.begin();
if (id != null && !entity.getId().equals(id)) {
entity.setId(id);
}
return new CopyHelper().copy(super.updateEntity(entity), Expose.class);
}catch (RuntimeException e) {
transactionManager.setRollbackOnly();
throw e;
}finally {
transactionManager.end();
}
}
/**
* Deletes an existing configuration parameter
*
* @param id The identity of the configuration parameter
*/
@DELETE
@Path("/{id}")
public void deleteParameter(@PathParam("id") String id) throws JSONException {
try {
transactionManager.begin();
super.deleteEntity(id);
}catch (RuntimeException e) {
transactionManager.setRollbackOnly();
throw e;
}finally {
transactionManager.end();
}
}
/**
* Deletes all existing configuration parameters and reset configuration to default
*/
@DELETE
public void deleteAllParameters() throws JSONException {
try {
transactionManager.begin();
Collection<ConfigurationParameterEntity> configurations = repository.findAll();
for (ConfigurationParameterEntity configuration : configurations) {
repository.remove(configuration);
}
}catch (RuntimeException e) {
transactionManager.setRollbackOnly();
throw e;
}finally {
transactionManager.end();
}
}
}