001/*
002 * (C) Copyright 2006-2011 Nuxeo SA (http://nuxeo.com/) and others.
003 *
004 * Licensed under the Apache License, Version 2.0 (the "License");
005 * you may not use this file except in compliance with the License.
006 * You may obtain a copy of the License at
007 *
008 *     http://www.apache.org/licenses/LICENSE-2.0
009 *
010 * Unless required by applicable law or agreed to in writing, software
011 * distributed under the License is distributed on an "AS IS" BASIS,
012 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
013 * See the License for the specific language governing permissions and
014 * limitations under the License.
015 *
016 * Contributors:
017 *     bstefanescu
018 */
019package org.nuxeo.ecm.automation.server.jaxrs;
020
021import java.io.IOException;
022
023import javax.mail.MessagingException;
024import javax.servlet.http.HttpServletRequest;
025import javax.servlet.http.HttpServletResponse;
026import javax.ws.rs.POST;
027import javax.ws.rs.core.Context;
028
029import org.nuxeo.ecm.automation.AutomationService;
030import org.nuxeo.ecm.automation.OperationContext;
031import org.nuxeo.ecm.automation.OperationException;
032import org.nuxeo.ecm.automation.OperationNotFoundException;
033import org.nuxeo.ecm.automation.jaxrs.io.operations.ExecutionRequest;
034import org.nuxeo.ecm.automation.server.AutomationServer;
035import org.nuxeo.ecm.core.api.CoreSession;
036import org.nuxeo.ecm.core.api.NuxeoException;
037import org.nuxeo.ecm.platform.web.common.exceptionhandling.ExceptionHelper;
038import org.nuxeo.ecm.webengine.model.exceptions.WebResourceNotFoundException;
039import org.nuxeo.ecm.webengine.model.impl.DefaultObject;
040import org.nuxeo.runtime.api.Framework;
041
042/**
043 * @author <a href="mailto:[email protected]">Bogdan Stefanescu</a>
044 */
045public abstract class ExecutableResource extends DefaultObject {
046
047    @Context
048    protected AutomationService service;
049
050    @Context
051    protected HttpServletRequest request;
052
053    @Context
054    protected HttpServletResponse response;
055
056    @Context
057    protected CoreSession session;
058
059    protected OperationContext createContext(ExecutionRequest xreq) {
060        return xreq.createContext(request, response, session);
061    }
062
063    @POST
064    public Object doPost(ExecutionRequest xreq) {
065        try {
066            AutomationServer srv = Framework.getService(AutomationServer.class);
067            if (!srv.accept(getId(), isChain(), request)) {
068                return ResponseHelper.notFound();
069            }
070            Object result = execute(xreq);
071            int customHttpStatus = xreq.getRestOperationContext().getHttpStatus();
072            return ResponseHelper.getResponse(result, request, customHttpStatus);
073        } catch (OperationException | NuxeoException | MessagingException | IOException cause) {
074            String exceptionMessage = "Failed to invoke operation: " + getId();
075            if (cause instanceof OperationNotFoundException) {
076                throw new WebResourceNotFoundException(exceptionMessage, cause);
077            } else if (cause instanceof NuxeoException) {
078                NuxeoException nuxeoException = (NuxeoException) cause;
079                nuxeoException.addInfo(exceptionMessage);
080                throw nuxeoException;
081            } else {
082                Throwable unWrapException = ExceptionHelper.unwrapException(cause);
083                if (unWrapException instanceof RestOperationException) {
084                    int customHttpStatus = ((RestOperationException) unWrapException).getStatus();
085                    throw new NuxeoException(exceptionMessage, cause, customHttpStatus);
086                }
087                throw new NuxeoException(exceptionMessage, cause);
088            }
089        }
090    }
091
092    public abstract String getId();
093
094    public abstract Object execute(ExecutionRequest req) throws OperationException;
095
096    public abstract boolean isChain();
097
098}