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package org.glassfish.admin.rest.resources.custom;
import com.sun.enterprise.server.logging.logviewer.backend.LogFilter;
import org.glassfish.hk2.api.ServiceLocator;
import org.glassfish.internal.api.Globals;
import org.glassfish.internal.api.LogManager;
import javax.management.Attribute;
import javax.management.AttributeList;
import javax.ws.rs.DefaultValue;
import javax.ws.rs.GET;
import javax.ws.rs.Produces;
import javax.ws.rs.QueryParam;
import javax.ws.rs.core.MediaType;
import java.io.IOException;
import java.io.Serializable;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Date;
import java.util.List;
import java.util.Properties;
import javax.ws.rs.Path;
import javax.ws.rs.core.Context;
import org.glassfish.admin.rest.logviewer.LogRecord;
/**
* REST resource to get Log records
* simple wrapper around internal LogFilter query class
*
* @author ludovic Champenois
*/
public class StructuredLogViewerResource {
protected ServiceLocator habitat = Globals.getDefaultBaseServiceLocator();
@Context
protected ServiceLocator injector;
@Path("lognames/")
public LogNamesResource getLogNamesResource() {
LogNamesResource resource = injector.createAndInitialize(LogNamesResource.class);
return resource;
}
@GET
@Produces({MediaType.TEXT_PLAIN, MediaType.APPLICATION_JSON})
public String getJson(
@QueryParam("logFileName") @DefaultValue("${com.sun.aas.instanceRoot}/logs/server.log") String logFileName,
@QueryParam("startIndex") @DefaultValue("-1") long startIndex,
@QueryParam("searchForward") @DefaultValue("false") boolean searchForward,
@QueryParam("maximumNumberOfResults") @DefaultValue("40") int maximumNumberOfResults,
@QueryParam("onlyLevel") @DefaultValue("false") boolean onlyLevel,
@QueryParam("fromTime") @DefaultValue("-1") long fromTime,
@QueryParam("toTime") @DefaultValue("-1") long toTime,
@QueryParam("logLevel") @DefaultValue("INFO") String logLevel,
@QueryParam("anySearch") @DefaultValue("") String anySearch,
@QueryParam("listOfModules") String listOfModules, //default value is empty for List
@QueryParam("instanceName") @DefaultValue("") String instanceName) throws IOException {
return getWithType(
logFileName,
startIndex,
searchForward,
maximumNumberOfResults,
fromTime,
toTime,
logLevel, onlyLevel, anySearch, listOfModules, instanceName, "json");
}
@GET
@Produces({MediaType.APPLICATION_XML})
public String getXML(
@QueryParam("logFileName") @DefaultValue("${com.sun.aas.instanceRoot}/logs/server.log") String logFileName,
@QueryParam("startIndex") @DefaultValue("-1") long startIndex,
@QueryParam("searchForward") @DefaultValue("false") boolean searchForward,
@QueryParam("maximumNumberOfResults") @DefaultValue("40") int maximumNumberOfResults,
@QueryParam("onlyLevel") @DefaultValue("true") boolean onlyLevel,
@QueryParam("fromTime") @DefaultValue("-1") long fromTime,
@QueryParam("toTime") @DefaultValue("-1") long toTime,
@QueryParam("logLevel") @DefaultValue("INFO") String logLevel,
@QueryParam("anySearch") @DefaultValue("") String anySearch,
@QueryParam("listOfModules") String listOfModules, //default value is empty for List,
@QueryParam("instanceName") @DefaultValue("") String instanceName) throws IOException {
return getWithType(
logFileName,
startIndex,
searchForward,
maximumNumberOfResults,
fromTime,
toTime,
logLevel, onlyLevel, anySearch, listOfModules, instanceName, "xml");
}
private String getWithType(
String logFileName,
long startIndex,
boolean searchForward,
int maximumNumberOfResults,
long fromTime,
long toTime,
String logLevel, boolean onlyLevel, String anySearch, String listOfModules,
String instanceName,
String type) throws IOException {
if (habitat.getService(LogManager.class) == null) {
//the logger service is not install, so we cannot rely on it.
//return an error
throw new IOException("The GlassFish LogManager Service is not available. Not installed?");
}
List<String> modules = new ArrayList<String>();
if ((listOfModules != null) && !listOfModules.isEmpty()) {
modules.addAll(Arrays.asList(listOfModules.split(",")));
}
Properties nameValueMap = new Properties();
boolean sortAscending = true;
if (!searchForward) {
sortAscending = false;
}
LogFilter logFilter = habitat.getService(LogFilter.class);
if (instanceName.equals("")) {
final AttributeList result = logFilter.getLogRecordsUsingQuery(logFileName,
startIndex,
searchForward, sortAscending,
maximumNumberOfResults,
fromTime == -1 ? null : new Date(fromTime),
toTime == -1 ? null : new Date(toTime),
logLevel, onlyLevel, modules, nameValueMap, anySearch);
return convertQueryResult(result, type);
} else {
final AttributeList result = logFilter.getLogRecordsUsingQuery(logFileName,
startIndex,
searchForward, sortAscending,
maximumNumberOfResults,
fromTime == -1 ? null : new Date(fromTime),
toTime == -1 ? null : new Date(toTime),
logLevel, onlyLevel, modules, nameValueMap, anySearch, instanceName);
return convertQueryResult(result, type);
}
}
private <T> List<T> asList(final Object list) {
return (List<T>) List.class.cast(list);
}
/* private String quoted(String s) {
return "\"" + s + "\"";
}*/
private String convertQueryResult(final AttributeList queryResult, String type) {
// extract field descriptions into a String[]
StringBuilder sb = new StringBuilder();
String sep = "";
if (type.equals("json")) {
sb.append("{\"records\": [");
} else {
sb.append("<records>\n");
}
if (queryResult.size() > 0) {
final AttributeList fieldAttrs = (AttributeList) ((Attribute) queryResult.get(0)).getValue();
String[] fieldHeaders = new String[fieldAttrs.size()];
for (int i = 0; i < fieldHeaders.length; ++i) {
final Attribute attr = (Attribute) fieldAttrs.get(i);
fieldHeaders[i] = (String) attr.getValue();
}
List<List<Serializable>> srcRecords = asList(((Attribute) queryResult.get(1)).getValue());
// extract every record
for (int recordIdx = 0; recordIdx < srcRecords.size(); ++recordIdx) {
List<Serializable> record = srcRecords.get(recordIdx);
assert (record.size() == fieldHeaders.length);
//Serializable[] fieldValues = new Serializable[fieldHeaders.length];
LogRecord rec = new LogRecord();
int fieldIdx = 0;
rec.setRecordNumber(((Long) record.get(fieldIdx++)).longValue());
rec.setLoggedDateTime((Date) record.get(fieldIdx++));
rec.setLoggedLevel((String) record.get(fieldIdx++));
rec.setProductName((String) record.get(fieldIdx++));
rec.setLoggerName((String) record.get(fieldIdx++));
rec.setNameValuePairs((String) record.get(fieldIdx++));
rec.setMessageID((String) record.get(fieldIdx++));
rec.setMessage((String) record.get(fieldIdx++));
if (type.equals("json")) {
sb.append(sep);
sb.append(rec.toJSON());
sep = ",";
} else {
sb.append(rec.toXML());
}
}
}
if (type.equals("json")) {
sb.append("]}\n");
} else {
sb.append("\n</records>\n");
}
return sb.toString();
}
}