package org.apache.solr.handler.admin;
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
import org.apache.solr.common.SolrException;
import org.apache.solr.common.SolrException.ErrorCode;
import org.apache.solr.common.util.NamedList;
import org.apache.solr.core.CoreContainer;
import org.apache.solr.handler.RequestHandlerBase;
import org.apache.solr.request.SolrQueryRequest;
import org.apache.solr.response.SolrQueryResponse;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
public class InfoHandler extends RequestHandlerBase {
protected static Logger log = LoggerFactory.getLogger(InfoHandler.class);
protected final CoreContainer coreContainer;
private ThreadDumpHandler threadDumpHandler = new ThreadDumpHandler();
private PropertiesRequestHandler propertiesHandler = new PropertiesRequestHandler();
private LoggingHandler loggingHandler;
private SystemInfoHandler systemInfoHandler;
/**
* Overloaded ctor to inject CoreContainer into the handler.
*
* @param coreContainer Core Container of the solr webapp installed.
*/
public InfoHandler(final CoreContainer coreContainer) {
this.coreContainer = coreContainer;
systemInfoHandler = new SystemInfoHandler(coreContainer);
loggingHandler = new LoggingHandler(coreContainer);
}
@Override
final public void init(NamedList args) {
}
/**
* The instance of CoreContainer this handler handles. This should be the CoreContainer instance that created this
* handler.
*
* @return a CoreContainer instance
*/
public CoreContainer getCoreContainer() {
return this.coreContainer;
}
@Override
public void handleRequestBody(SolrQueryRequest req, SolrQueryResponse rsp) throws Exception {
// Make sure the cores is enabled
CoreContainer cores = getCoreContainer();
if (cores == null) {
throw new SolrException(SolrException.ErrorCode.BAD_REQUEST,
"Core container instance missing");
}
String path = (String) req.getContext().get("path");
int i = path.lastIndexOf('/');
String name = path.substring(i + 1, path.length());
if (name.equalsIgnoreCase("properties")) {
propertiesHandler.handleRequest(req, rsp);
} else if (name.equalsIgnoreCase("threads")) {
threadDumpHandler.handleRequest(req, rsp);
} else if (name.equalsIgnoreCase("logging")) {
loggingHandler.handleRequest(req, rsp);
} else if (name.equalsIgnoreCase("system")) {
systemInfoHandler.handleRequest(req, rsp);
} else {
if (name.equalsIgnoreCase("info")) name = "";
throw new SolrException(ErrorCode.NOT_FOUND, "Info Handler not found: " + name);
}
rsp.setHttpCaching(false);
}
//////////////////////// SolrInfoMBeans methods //////////////////////
@Override
public String getDescription() {
return "System Information";
}
@Override
public String getSource() {
return "$URL: https://svn.apache.org/repos/asf/lucene/dev/trunk/solr/core/src/java/org/apache/solr/handler/admin/InfoHandler.java $";
}
protected PropertiesRequestHandler getPropertiesHandler() {
return propertiesHandler;
}
protected ThreadDumpHandler getThreadDumpHandler() {
return threadDumpHandler;
}
protected LoggingHandler getLoggingHandler() {
return loggingHandler;
}
protected SystemInfoHandler getSystemInfoHandler() {
return systemInfoHandler;
}
protected void setPropertiesHandler(PropertiesRequestHandler propertiesHandler) {
this.propertiesHandler = propertiesHandler;
}
protected void setThreadDumpHandler(ThreadDumpHandler threadDumpHandler) {
this.threadDumpHandler = threadDumpHandler;
}
protected void setLoggingHandler(LoggingHandler loggingHandler) {
this.loggingHandler = loggingHandler;
}
protected void setSystemInfoHandler(SystemInfoHandler systemInfoHandler) {
this.systemInfoHandler = systemInfoHandler;
}
}