158 lines
5.6 KiB
Java
158 lines
5.6 KiB
Java
package ${package}.rest;
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import static ${package}.model.Constants.*;
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import static ${package}.model.JsonVisitors.bookToJson;
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import static li.strolch.rest.StrolchRestfulConstants.*;
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import javax.servlet.http.HttpServletRequest;
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import javax.ws.rs.*;
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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 ${package}.model.Constants;
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import ${package}.model.JsonVisitors;
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import ${package}.search.BookSearch;
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import ${package}.service.CreateBookService;
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import ${package}.service.RemoveBookService;
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import ${package}.service.UpdateBookService;
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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.model.Resource;
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import li.strolch.model.json.StrolchRootElementToJsonVisitor;
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import li.strolch.model.visitor.ResourceVisitor;
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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.service.JsonServiceArgument;
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import li.strolch.service.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.collections.Paging;
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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 query,
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@DefaultValue("0") @QueryParam("offset") int offset, @DefaultValue("20") @QueryParam("limit") int limit) {
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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(STROLCH_CERTIFICATE);
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// open the TX with the certificate, using this class as context
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Paging<Resource> paging;
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try (StrolchTransaction tx = RestfulStrolchComponent.getInstance().openTx(cert, getClass())) {
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// perform a book search
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paging = new BookSearch() //
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.stringQuery(query) //
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.search(tx) //
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.orderByName(false) //
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.toPaging(offset, limit);
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}
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return ResponseUtil.toResponse(paging, e -> e.accept(bookToJson()));
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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(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(TYPE_BOOK, id, true);
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// transform to JSON
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JsonObject bookJ = book.accept(bookToJson());
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// return
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return ResponseUtil.toResponse(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(STROLCH_CERTIFICATE);
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// parse data to JSON
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JsonObject jsonData = JsonParser.parseString(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(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(STROLCH_CERTIFICATE);
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// parse data to JSON
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JsonObject jsonData = JsonParser.parseString(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(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 remove(@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(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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