[Major] Implemented CRUD for books
This commit is contained in:
parent
2a2a79cb09
commit
2bc31f022e
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@ -3,9 +3,13 @@
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<Role name="User">
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<Privilege name="li.strolch.service.api.Service" policy="DefaultPrivilege">
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<Allow>li.strolch.bookshop.service.CreateBookService</Allow>
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<Allow>li.strolch.bookshop.service.UpdateBookService</Allow>
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<Allow>li.strolch.bookshop.service.RemoveBookService</Allow>
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</Privilege>
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<Privilege name="li.strolch.model.query.StrolchQuery" policy="DefaultPrivilege">
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<Allow>internal</Allow>
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<Allow>li.strolch.bookshop.query.BooksQuery</Allow>
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</Privilege>
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</Role>
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@ -44,7 +44,7 @@
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<Activity Id="FromStock" Name="From Stock Template" Type="FromStock" TimeOrdering="Series">
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<ParameterBag Name="objectives" Id="Objectives" Type="Objectives">
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<Parameter Name="Duration" Id="duration" Value="PT1MS" Type="Duration" />
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<Parameter Name="Duration" Id="duration" Type="Duration" Value="PT1M" />
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</ParameterBag>
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<Action Id="validate" Name="Validation of order" Type="Use" ResourceType="Validation" ResourceId="validation" />
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@ -0,0 +1,11 @@
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package li.strolch.bookshop;
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public class BookShopConstants {
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public static final String TYPE_BOOK = "Book";
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public static final String BAG_PARAMETERS = "parameters";
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public static final String PARAM_DESCRIPTION = "description";
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}
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@ -0,0 +1,12 @@
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package li.strolch.bookshop.query;
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import li.strolch.bookshop.BookShopConstants;
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import li.strolch.model.query.ResourceQuery;
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import li.strolch.model.query.StrolchTypeNavigation;
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public class BooksQuery<U> extends ResourceQuery<U> {
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public BooksQuery() {
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super(new StrolchTypeNavigation(BookShopConstants.TYPE_BOOK));
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}
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}
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@ -0,0 +1,189 @@
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package li.strolch.bookshop.rest;
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import java.util.List;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.DELETE;
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import javax.ws.rs.GET;
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import javax.ws.rs.POST;
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import javax.ws.rs.PUT;
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import javax.ws.rs.Path;
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import javax.ws.rs.PathParam;
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import javax.ws.rs.Produces;
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import javax.ws.rs.QueryParam;
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import javax.ws.rs.core.Context;
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import javax.ws.rs.core.MediaType;
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import javax.ws.rs.core.Response;
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import javax.ws.rs.core.Response.Status;
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import com.google.gson.JsonObject;
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import com.google.gson.JsonParser;
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import li.strolch.bookshop.BookShopConstants;
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import li.strolch.bookshop.query.BooksQuery;
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import li.strolch.bookshop.service.CreateBookService;
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import li.strolch.bookshop.service.RemoveBookService;
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import li.strolch.bookshop.service.UpdateBookService;
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import li.strolch.model.Resource;
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import li.strolch.model.json.StrolchElementToJsonVisitor;
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import li.strolch.model.query.NameSelection;
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import li.strolch.model.query.OrSelection;
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import li.strolch.model.query.ParameterSelection;
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import li.strolch.model.query.ResourceQuery;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.privilege.model.Certificate;
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import li.strolch.rest.RestfulStrolchComponent;
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import li.strolch.rest.StrolchRestfulConstants;
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import li.strolch.rest.helper.ResponseUtil;
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import li.strolch.rest.util.JsonServiceArgument;
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import li.strolch.rest.util.JsonServiceResult;
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import li.strolch.service.StringServiceArgument;
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import li.strolch.service.api.ServiceHandler;
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import li.strolch.service.api.ServiceResult;
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import li.strolch.utils.StringMatchMode;
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import li.strolch.utils.collections.Paging;
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import li.strolch.utils.helper.StringHelper;
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@Path("books")
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public class BooksResource {
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public Response query(@Context HttpServletRequest request, @QueryParam("query") String queryS,
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@QueryParam("offset") String offsetS, @QueryParam("limit") String limitS) {
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// this is an authenticated method call, thus we can get the certificate from the request:
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Certificate cert = (Certificate) request.getAttribute(StrolchRestfulConstants.STROLCH_CERTIFICATE);
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int offset = StringHelper.isNotEmpty(offsetS) ? Integer.valueOf(offsetS) : 0;
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int limit = StringHelper.isNotEmpty(limitS) ? Integer.valueOf(limitS) : 20;
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// open the TX with the certificate, using this class as context
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try (StrolchTransaction tx = RestfulStrolchComponent.getInstance().openTx(cert, getClass())) {
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// prepare the query
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ResourceQuery<JsonObject> query = new BooksQuery<JsonObject>() //
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// set transformation to JSON
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.setVisitor(new StrolchElementToJsonVisitor().flat());
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// prepare selections
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if (StringHelper.isEmpty(queryS)) {
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query.withAny();
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} else {
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OrSelection or = new OrSelection();
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or.with(ParameterSelection.stringSelection(BookShopConstants.BAG_PARAMETERS,
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BookShopConstants.PARAM_DESCRIPTION, queryS, StringMatchMode.ci()));
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or.with(new NameSelection(queryS, StringMatchMode.ci()));
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// add selections
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query.with(or);
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}
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// perform the query
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List<JsonObject> books = tx.doQuery(query);
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// perform paging
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Paging<JsonObject> page = Paging.asPage(books, offset, limit);
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// return result
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return ResponseUtil.toResponse(StrolchRestfulConstants.DATA, page.getPage());
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}
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}
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@GET
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@Path("{id}")
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@Produces(MediaType.APPLICATION_JSON)
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public Response get(@Context HttpServletRequest request, @PathParam("id") String id) {
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// this is an authenticated method call, thus we can get the certificate from the request:
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Certificate cert = (Certificate) request.getAttribute(StrolchRestfulConstants.STROLCH_CERTIFICATE);
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// open the TX with the certificate, using this class as context
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try (StrolchTransaction tx = RestfulStrolchComponent.getInstance().openTx(cert, getClass())) {
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// get the book
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Resource book = tx.getResourceBy(BookShopConstants.TYPE_BOOK, id);
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if (book == null)
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return ResponseUtil.toResponse(Status.NOT_FOUND, "Book " + id + " does not exist!");
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// transform to JSON
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JsonObject bookJ = book.accept(new StrolchElementToJsonVisitor().flat());
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// return
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return ResponseUtil.toResponse(StrolchRestfulConstants.DATA, bookJ);
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}
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}
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@POST
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@Produces(MediaType.APPLICATION_JSON)
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public Response create(@Context HttpServletRequest request, String data) {
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// this is an authenticated method call, thus we can get the certificate from the request:
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Certificate cert = (Certificate) request.getAttribute(StrolchRestfulConstants.STROLCH_CERTIFICATE);
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// parse data to JSON
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JsonObject jsonData = new JsonParser().parse(data).getAsJsonObject();
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// instantiate the service with the argument
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CreateBookService svc = new CreateBookService();
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JsonServiceArgument arg = svc.getArgumentInstance();
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arg.jsonElement = jsonData;
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// perform the service
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ServiceHandler serviceHandler = RestfulStrolchComponent.getInstance().getServiceHandler();
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JsonServiceResult result = serviceHandler.doService(cert, svc, arg);
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// return depending on the result state
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if (result.isOk())
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return ResponseUtil.toResponse(StrolchRestfulConstants.DATA, result.getResult());
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return ResponseUtil.toResponse(result);
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}
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@PUT
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@Path("{id}")
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@Produces(MediaType.APPLICATION_JSON)
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public Response update(@Context HttpServletRequest request, @PathParam("id") String id, String data) {
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// this is an authenticated method call, thus we can get the certificate from the request:
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Certificate cert = (Certificate) request.getAttribute(StrolchRestfulConstants.STROLCH_CERTIFICATE);
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// parse data to JSON
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JsonObject jsonData = new JsonParser().parse(data).getAsJsonObject();
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// instantiate the service with the argument
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UpdateBookService svc = new UpdateBookService();
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JsonServiceArgument arg = svc.getArgumentInstance();
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arg.objectId = id;
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arg.jsonElement = jsonData;
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// perform the service
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ServiceHandler serviceHandler = RestfulStrolchComponent.getInstance().getServiceHandler();
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JsonServiceResult result = serviceHandler.doService(cert, svc, arg);
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// return depending on the result state
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if (result.isOk())
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return ResponseUtil.toResponse(StrolchRestfulConstants.DATA, result.getResult());
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return ResponseUtil.toResponse(result);
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}
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@DELETE
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@Path("{id}")
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@Produces(MediaType.APPLICATION_JSON)
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public Response update(@Context HttpServletRequest request, @PathParam("id") String id) {
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// this is an authenticated method call, thus we can get the certificate from the request:
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Certificate cert = (Certificate) request.getAttribute(StrolchRestfulConstants.STROLCH_CERTIFICATE);
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// instantiate the service with the argument
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RemoveBookService svc = new RemoveBookService();
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StringServiceArgument arg = svc.getArgumentInstance();
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arg.value = id;
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// perform the service
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ServiceHandler serviceHandler = RestfulStrolchComponent.getInstance().getServiceHandler();
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ServiceResult result = serviceHandler.doService(cert, svc, arg);
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// return depending on the result state
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return ResponseUtil.toResponse(result);
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}
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}
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@ -0,0 +1,57 @@
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package li.strolch.bookshop.service;
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import com.google.gson.JsonObject;
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import li.strolch.bookshop.BookShopConstants;
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import li.strolch.command.AddResourceCommand;
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import li.strolch.model.Resource;
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import li.strolch.model.json.FromFlatJsonVisitor;
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import li.strolch.model.json.StrolchElementToJsonVisitor;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.rest.util.JsonServiceArgument;
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import li.strolch.rest.util.JsonServiceResult;
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import li.strolch.service.api.AbstractService;
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public class CreateBookService extends AbstractService<JsonServiceArgument, JsonServiceResult> {
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private static final long serialVersionUID = 1L;
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@Override
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protected JsonServiceResult getResultInstance() {
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return new JsonServiceResult();
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}
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@Override
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public JsonServiceArgument getArgumentInstance() {
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return new JsonServiceArgument();
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}
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@Override
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protected JsonServiceResult internalDoService(JsonServiceArgument arg) throws Exception {
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// open a new transaction, using the realm from the argument, or the certificate
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Resource book;
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try (StrolchTransaction tx = openArgOrUserTx(arg)) {
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// get a new book "instance" from the template
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book = tx.getResourceTemplate(BookShopConstants.TYPE_BOOK);
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// map all values from the JSON object into the new book element
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new FromFlatJsonVisitor().visit(book, arg.jsonElement.getAsJsonObject());
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// add command to store the resource
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AddResourceCommand cmd = new AddResourceCommand(getContainer(), tx);
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cmd.setResource(book);
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tx.addCommand(cmd);
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// notify the TX that it should commit on close
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tx.commitOnClose();
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}
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// map the return value to JSON
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JsonObject result = book.accept(new StrolchElementToJsonVisitor().flat());
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// and return the result
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return new JsonServiceResult(result);
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}
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}
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package li.strolch.bookshop.service;
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import li.strolch.bookshop.BookShopConstants;
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import li.strolch.command.RemoveResourceCommand;
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import li.strolch.model.Resource;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.service.StringServiceArgument;
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import li.strolch.service.api.AbstractService;
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import li.strolch.service.api.ServiceResult;
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public class RemoveBookService extends AbstractService<StringServiceArgument, ServiceResult> {
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private static final long serialVersionUID = 1L;
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@Override
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protected ServiceResult getResultInstance() {
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return new ServiceResult();
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}
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@Override
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public StringServiceArgument getArgumentInstance() {
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return new StringServiceArgument();
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}
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@Override
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protected ServiceResult internalDoService(StringServiceArgument arg) throws Exception {
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// open a new transaction, using the realm from the argument, or the certificate
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try (StrolchTransaction tx = openArgOrUserTx(arg)) {
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// get the existing book
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Resource book = tx.getResourceBy(BookShopConstants.TYPE_BOOK, arg.value, true);
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// add command to remove the resource
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RemoveResourceCommand cmd = new RemoveResourceCommand(getContainer(), tx);
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cmd.setResource(book);
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tx.addCommand(cmd);
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// notify the TX that it should commit on close
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tx.commitOnClose();
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}
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// and return the result
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return ServiceResult.success();
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}
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}
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package li.strolch.bookshop.service;
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import com.google.gson.JsonObject;
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import li.strolch.bookshop.BookShopConstants;
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import li.strolch.command.UpdateResourceCommand;
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import li.strolch.model.Resource;
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import li.strolch.model.Tags.Json;
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import li.strolch.model.json.FromFlatJsonVisitor;
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import li.strolch.model.json.StrolchElementToJsonVisitor;
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import li.strolch.persistence.api.StrolchTransaction;
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import li.strolch.rest.util.JsonServiceArgument;
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import li.strolch.rest.util.JsonServiceResult;
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import li.strolch.service.api.AbstractService;
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import li.strolch.utils.dbc.DBC;
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public class UpdateBookService extends AbstractService<JsonServiceArgument, JsonServiceResult> {
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private static final long serialVersionUID = 1L;
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@Override
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protected JsonServiceResult getResultInstance() {
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return new JsonServiceResult();
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}
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@Override
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public JsonServiceArgument getArgumentInstance() {
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return new JsonServiceArgument();
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}
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@Override
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protected JsonServiceResult internalDoService(JsonServiceArgument arg) throws Exception {
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// verify same book
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DBC.PRE.assertEquals("ObjectId and given Id must be same!", arg.objectId,
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arg.jsonElement.getAsJsonObject().get(Json.ID).getAsString());
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// open a new transaction, using the realm from the argument, or the certificate
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Resource book;
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try (StrolchTransaction tx = openArgOrUserTx(arg)) {
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// get the existing book
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book = tx.getResourceBy(BookShopConstants.TYPE_BOOK, arg.objectId, true);
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// map all values from the JSON object into the new book element
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new FromFlatJsonVisitor().visit(book, arg.jsonElement.getAsJsonObject());
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// add command to update the resource
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UpdateResourceCommand cmd = new UpdateResourceCommand(getContainer(), tx);
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cmd.setResource(book);
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tx.addCommand(cmd);
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// notify the TX that it should commit on close
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tx.commitOnClose();
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}
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// map the return value to JSON
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JsonObject result = book.accept(new StrolchElementToJsonVisitor().flat());
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// and return the result
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return new JsonServiceResult(result);
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}
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}
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package li.strolch.bookshop.web;
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import java.util.logging.Level;
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import javax.ws.rs.ApplicationPath;
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import javax.ws.rs.Priorities;
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import org.glassfish.jersey.logging.LoggingFeature;
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import org.glassfish.jersey.server.ResourceConfig;
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import org.glassfish.jersey.server.ServerProperties;
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import li.strolch.bookshop.rest.BooksResource;
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import li.strolch.rest.RestfulStrolchComponent;
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import li.strolch.rest.StrolchRestfulExceptionMapper;
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import li.strolch.rest.endpoint.AuthenticationService;
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import li.strolch.rest.filters.AccessControlResponseFilter;
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import li.strolch.rest.filters.AuthenticationRequestFilter;
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import li.strolch.rest.filters.AuthenticationResponseFilter;
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import li.strolch.rest.filters.CharsetResponseFilter;
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import li.strolch.rest.filters.HttpCacheResponseFilter;
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@ApplicationPath("rest")
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public class RestfulApplication extends ResourceConfig {
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public RestfulApplication() {
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// add strolch resources
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register(AuthenticationService.class);
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// add project resources by package name
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packages(BooksResource.class.getPackage().getName());
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// filters
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register(AuthenticationRequestFilter.class, Priorities.AUTHENTICATION);
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register(AccessControlResponseFilter.class);
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register(AuthenticationResponseFilter.class);
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register(HttpCacheResponseFilter.class);
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// log exceptions and return them as plain text to the caller
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register(StrolchRestfulExceptionMapper.class);
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// the JSON generated is in UTF-8
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register(CharsetResponseFilter.class);
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RestfulStrolchComponent restfulComponent = RestfulStrolchComponent.getInstance();
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if (restfulComponent.isRestLogging()) {
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register(new LoggingFeature(java.util.logging.Logger.getLogger(LoggingFeature.DEFAULT_LOGGER_NAME),
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Level.SEVERE, LoggingFeature.Verbosity.PAYLOAD_ANY, Integer.MAX_VALUE));
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property(ServerProperties.TRACING, "ALL");
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property(ServerProperties.TRACING_THRESHOLD, "TRACE");
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}
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}
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}
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