mirror of https://github.com/sismics/docs.git
115 lines
4.1 KiB
Java
115 lines
4.1 KiB
Java
package com.sismics.docs.rest.resource;
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import java.util.ArrayList;
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import java.util.List;
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import java.util.ResourceBundle;
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import javax.ws.rs.GET;
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import javax.ws.rs.Path;
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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.MediaType;
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import javax.ws.rs.core.Response;
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import org.apache.commons.lang.StringUtils;
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import org.apache.log4j.Appender;
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import org.apache.log4j.Logger;
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import org.codehaus.jettison.json.JSONException;
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import org.codehaus.jettison.json.JSONObject;
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import com.sismics.docs.core.util.ConfigUtil;
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import com.sismics.docs.core.util.jpa.PaginatedList;
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import com.sismics.docs.core.util.jpa.PaginatedLists;
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import com.sismics.docs.rest.constant.BaseFunction;
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import com.sismics.rest.exception.ForbiddenClientException;
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import com.sismics.rest.exception.ServerException;
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import com.sismics.util.log4j.LogCriteria;
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import com.sismics.util.log4j.LogEntry;
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import com.sismics.util.log4j.MemoryAppender;
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/**
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* General app REST resource.
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*
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* @author jtremeaux
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*/
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@Path("/app")
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public class AppResource extends BaseResource {
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/**
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* Return the information about the application.
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*
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* @return Response
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* @throws JSONException
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*/
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@GET
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@Produces(MediaType.APPLICATION_JSON)
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public Response version() throws JSONException {
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ResourceBundle configBundle = ConfigUtil.getConfigBundle();
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String currentVersion = configBundle.getString("api.current_version");
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String minVersion = configBundle.getString("api.min_version");
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JSONObject response = new JSONObject();
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response.put("current_version", currentVersion.replace("-SNAPSHOT", ""));
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response.put("min_version", minVersion);
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response.put("total_memory", Runtime.getRuntime().totalMemory());
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response.put("free_memory", Runtime.getRuntime().freeMemory());
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return Response.ok().entity(response).build();
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}
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/**
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* Retrieve the application logs.
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*
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* @param level Filter on logging level
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* @param tag Filter on logger name / tag
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* @param message Filter on message
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* @param limit Page limit
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* @param offset Page offset
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* @return
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* @throws JSONException
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*/
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@GET
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@Path("log")
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@Produces(MediaType.APPLICATION_JSON)
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public Response log(
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@QueryParam("level") String level,
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@QueryParam("tag") String tag,
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@QueryParam("message") String message,
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@QueryParam("limit") Integer limit,
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@QueryParam("offset") Integer offset) throws JSONException {
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if (!authenticate()) {
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throw new ForbiddenClientException();
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}
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checkBaseFunction(BaseFunction.ADMIN);
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// Get the memory appender
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Logger logger = Logger.getRootLogger();
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Appender appender = logger.getAppender("MEMORY");
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if (appender == null || !(appender instanceof MemoryAppender)) {
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throw new ServerException("ServerError", "MEMORY appender not configured");
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}
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MemoryAppender memoryAppender = (MemoryAppender) appender;
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// Find the logs
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LogCriteria logCriteria = new LogCriteria();
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logCriteria.setLevel(StringUtils.stripToNull(level));
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logCriteria.setTag(StringUtils.stripToNull(tag));
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logCriteria.setMessage(StringUtils.stripToNull(message));
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PaginatedList<LogEntry> paginatedList = PaginatedLists.create(limit, offset);
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memoryAppender.find(logCriteria, paginatedList);
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JSONObject response = new JSONObject();
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List<JSONObject> logs = new ArrayList<JSONObject>();
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for (LogEntry logEntry : paginatedList.getResultList()) {
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JSONObject log = new JSONObject();
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log.put("date", logEntry.getTimestamp());
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log.put("level", logEntry.getLevel());
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log.put("tag", logEntry.getTag());
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log.put("message", logEntry.getMessage());
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logs.add(log);
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}
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response.put("total", paginatedList.getResultCount());
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response.put("logs", logs);
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return Response.ok().entity(response).build();
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}
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}
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