org.mycontroller.standalone.api.jaxrs.MyControllerHandler.java Source code

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Here is the source code for org.mycontroller.standalone.api.jaxrs.MyControllerHandler.java

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/*
 * Copyright 2015-2018 Jeeva Kandasamy (jkandasa@gmail.com)
 * and other contributors as indicated by the @author tags.
 *
 * Licensed under the Apache 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.apache.org/licenses/LICENSE-2.0
 *
 * 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.mycontroller.standalone.api.jaxrs;

import static javax.ws.rs.core.MediaType.APPLICATION_JSON;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.util.Date;
import java.util.HashMap;

import javax.annotation.security.RolesAllowed;
import javax.ws.rs.Consumes;
import javax.ws.rs.GET;
import javax.ws.rs.PUT;
import javax.ws.rs.Path;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.WebApplicationException;
import javax.ws.rs.core.MediaType;
import javax.ws.rs.core.Response;
import javax.ws.rs.core.Response.Status;
import javax.ws.rs.core.StreamingOutput;

import org.apache.commons.io.FileUtils;
import org.mycontroller.standalone.api.SystemApi;
import org.mycontroller.standalone.api.jaxrs.model.ApiError;
import org.mycontroller.standalone.api.jaxrs.utils.RestUtils;
import org.mycontroller.standalone.utils.McServerFileUtils;

/**
 * @author Jeeva Kandasamy (jkandasa)
 * @since 0.0.1
 */

@Path("/rest")
@Produces(APPLICATION_JSON)
@Consumes(APPLICATION_JSON)
@RolesAllowed({ "User" })
public class MyControllerHandler extends AccessEngine {

    SystemApi systemApi = new SystemApi();

    @GET
    @Path("/ping")
    public Response ping() {
        return RestUtils.getResponse(Status.OK, "{\"message\":\"Hello!\"}");
    }

    @GET
    @Path("/timestamp")
    public Response time() {
        HashMap<String, Object> responseObject = new HashMap<String, Object>();
        responseObject.put("timestamp", System.currentTimeMillis());
        responseObject.put("time", new Date().toString());
        return RestUtils.getResponse(Status.OK, responseObject);
    }

    @GET
    @Path("/guiSettings")
    public Response about() {
        return RestUtils.getResponse(Status.OK, systemApi.getGuiSettings());
    }

    @GET
    @Path("/mcAbout")
    public Response getMcAbout() {
        return RestUtils.getResponse(Status.OK, systemApi.getAbout());
    }

    @RolesAllowed({ "Admin" })
    @GET
    @Path("/mcServerLogFile")
    public Response getMcServerLogFile(@QueryParam("lastKnownPosition") Long lastKnownPosition,
            @QueryParam("lastNPosition") Long lastNPosition, @QueryParam("download") Boolean download)
            throws IOException {

        if (download != null && download) {
            String zipFileName = McServerFileUtils.getLogsZipFile();
            String fileName = FileUtils.getFile(zipFileName).getName();

            StreamingOutput fileStream = new StreamingOutput() {
                @Override
                public void write(java.io.OutputStream output) throws IOException, WebApplicationException {
                    try {
                        java.nio.file.Path path = Paths.get(zipFileName);
                        byte[] data = Files.readAllBytes(path);
                        output.write(data);
                        output.flush();
                    } catch (Exception ex) {
                        throw new WebApplicationException("File Not Found !!");
                    } finally {
                        FileUtils.deleteQuietly(FileUtils.getFile(zipFileName));
                    }
                }
            };
            return Response.ok(fileStream, MediaType.APPLICATION_OCTET_STREAM)
                    .header("content-disposition", "attachment; filename = " + fileName).build();
        } else {
            return RestUtils.getResponse(Status.OK,
                    McServerFileUtils.getLogUpdate(lastKnownPosition, lastNPosition));
        }
    }

    @GET
    @Path("/imageFiles")
    public Response getImageFile(@QueryParam("fileName") String fileName) throws IOException {
        try {
            if (fileName != null) {
                return RestUtils.getResponse(Status.OK, McServerFileUtils.getImageFile(fileName));

            } else {
                return RestUtils.getResponse(Status.OK, McServerFileUtils.getImageFilesList());
            }
        } catch (IllegalAccessException ex) {
            return RestUtils.getResponse(Status.FORBIDDEN, new ApiError(ex.getMessage()));
        } catch (Exception ex) {
            return RestUtils.getResponse(Status.BAD_REQUEST, new ApiError(ex.getMessage()));
        }
    }

    @GET
    @Path("/osStatus")
    public Response getOsStatus() {
        return RestUtils.getResponse(Status.OK, systemApi.getOS());
    }

    @GET
    @Path("/jvmStatus")
    public Response getJvmStatus() {
        return RestUtils.getResponse(Status.OK, systemApi.getJVM());
    }

    @GET
    @Path("/scriptEngines")
    public Response getScriptEngines() {
        return RestUtils.getResponse(Status.OK, systemApi.getScriptEngines());
    }

    @RolesAllowed({ "Admin" })
    @PUT
    @Path("/runGarbageCollection")
    public Response runGarbageCollection() {
        systemApi.runGarbageCollection();
        return RestUtils.getResponse(Status.OK, systemApi.getJVM());
    }
}