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Code Issues Releases Wiki Activity

StatViewServlet refactor

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This commit is contained in:
sand
2012-08-07 23:12:10 +08:00
parent 82370048b3
commit 6326a8f7c1
4 changed files with 364 additions and 291 deletions
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src/main/java/com/alibaba/druid/stat/DruidStatManagerFacade.java
+170 -4
View File
@@ -1,8 +1,18 @@
package com.alibaba.druid.stat;
import java.sql.Driver;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.concurrent.locks.ReentrantLock;
import javax.management.JMException;
import com.alibaba.druid.VERSION;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.util.ReflectionUtils;
@@ -35,11 +45,11 @@ public class DruidStatManagerFacade {
}
lock.lock();
if (inited) {
return;
}
try {
if (inited) {
return;
}
initByClassLoader();
inited = true;
@@ -81,6 +91,162 @@ public class DruidStatManagerFacade {
init();
resetSqlStat();
resetDataSourceStat();
}
public JdbcSqlStat getSqlStatById(Integer id) {
init();
for (DruidDataSource ds : getDruidDataSourceInstances()) {
JdbcSqlStat sqlStat = ds.getDataSourceStat().getSqlStat(id);
if (sqlStat != null) return sqlStat;
}
return null;
}
public Map<String, Object> getDataSourceStatData(Integer id) {
if (id == null) {
return null;
}
DruidDataSource datasource = getDruidDataSourceById(id);
return datasource == null ? null : dataSourceToMapData(datasource);
}
public DruidDataSource getDruidDataSourceById(Integer identity) {
init();
if (identity == null) {
return null;
}
for (DruidDataSource datasource : getDruidDataSourceInstances()) {
if (System.identityHashCode(datasource) == identity) {
return datasource;
}
}
return null;
}
public Map<String, Object> getSqlStatData(Integer id) {
if (id == null) {
return null;
}
JdbcSqlStat sqlStat = getSqlStatById(id);
return sqlStat == null ? null : getSqlStatData(sqlStat);
}
public Map<String, Object> getSqlStatData(JdbcSqlStat sqlStat) {
try {
return sqlStat.getData();
} catch (JMException e) {
}
return null;
}
public List<Object> getDataSourceStatList() {
List<Object> datasourceList = new ArrayList<Object>();
for (DruidDataSource dataSource : getDruidDataSourceInstances()) {
datasourceList.add(dataSourceToMapData(dataSource));
}
return datasourceList;
}
public Map<String, Object> returnJSONBasicStat() {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("Version", VERSION.getVersionNumber());
dataMap.put("Drivers", getDriversData());
return dataMap;
}
private List<String> getDriversData() {
List<String> drivers = new ArrayList<String>();
for (Enumeration<Driver> e = DriverManager.getDrivers(); e.hasMoreElements();) {
Driver driver = e.nextElement();
drivers.add(driver.getClass().getName());
}
return drivers;
}
public List<Map<String, Object>> getPoolingConnectionInfoByDataSourceId(Integer id) {
DruidDataSource datasource = getDruidDataSourceById(id);
if (datasource == null) return null;
return datasource.getPoolingConnectionInfo();
}
public List<String> getActiveConnectionStackTraceByDataSourceId(Integer id) {
DruidDataSource datasource = getDruidDataSourceById(id);
if (datasource == null || !datasource.isRemoveAbandoned()) return null;
return datasource.getActiveConnectionStackTrace();
}
private Map<String, Object> dataSourceToMapData(DruidDataSource dataSource) {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("Identity", System.identityHashCode(dataSource));
dataMap.put("Name", dataSource.getName());
dataMap.put("DbType", dataSource.getDbType());
dataMap.put("DriverClassName", dataSource.getDriverClassName());
dataMap.put("URL", dataSource.getUrl());
dataMap.put("UserName", dataSource.getUsername());
dataMap.put("FilterClassNames", dataSource.getFilterClassNames());
dataMap.put("WaitThreadCount", dataSource.getWaitThreadCount());
dataMap.put("NotEmptyWaitCount", dataSource.getNotEmptyWaitCount());
dataMap.put("NotEmptyWaitMillis", dataSource.getNotEmptyWaitMillis());
dataMap.put("PoolingCount", dataSource.getPoolingCount());
dataMap.put("PoolingPeak", dataSource.getPoolingPeak());
dataMap.put("PoolingPeakTime",
dataSource.getPoolingPeakTime() == null ? null : dataSource.getPoolingPeakTime().toString());
dataMap.put("ActiveCount", dataSource.getActiveCount());
dataMap.put("ActivePeak", dataSource.getActivePeak());
dataMap.put("ActivePeakTime",
dataSource.getActivePeakTime() == null ? null : dataSource.getActivePeakTime().toString());
dataMap.put("InitialSize", dataSource.getInitialSize());
dataMap.put("MinIdle", dataSource.getMinIdle());
dataMap.put("MaxActive", dataSource.getMaxActive());
dataMap.put("QueryTimeout", dataSource.getQueryTimeout());
dataMap.put("TransactionQueryTimeout", dataSource.getTransactionQueryTimeout());
dataMap.put("LoginTimeout", dataSource.getLoginTimeout());
dataMap.put("ValidConnectionCheckerClassName", dataSource.getValidConnectionCheckerClassName());
dataMap.put("ExceptionSorterClassName", dataSource.getExceptionSorterClassName());
dataMap.put("TestOnBorrow", dataSource.isTestOnBorrow());
dataMap.put("TestOnReturn", dataSource.isTestOnReturn());
dataMap.put("TestWhileIdle", dataSource.isTestWhileIdle());
dataMap.put("DefaultAutoCommit", dataSource.isDefaultAutoCommit());
dataMap.put("DefaultReadOnly", dataSource.isDefaultAutoCommit());
dataMap.put("DefaultTransactionIsolation", dataSource.getDefaultTransactionIsolation());
dataMap.put("LogicConnectCount", dataSource.getConnectCount());
dataMap.put("LogicCloseCount", dataSource.getCloseCount());
dataMap.put("LogicConnectErrorCount", dataSource.getConnectErrorCount());
dataMap.put("PhysicalConnectCount", dataSource.getCreateCount());
dataMap.put("PhysicalCloseCount", dataSource.getDestroyCount());
dataMap.put("PhysicalConnectErrorCount", dataSource.getCreateErrorCount());
dataMap.put("ExecuteCount", dataSource.getExecuteCount());
dataMap.put("ErrorCount", dataSource.getErrorCount());
dataMap.put("CommitCount", dataSource.getCommitCount());
dataMap.put("RollbackCount", dataSource.getRollbackCount());
dataMap.put("PSCacheAccessCount", dataSource.getCachedPreparedStatementAccessCount());
dataMap.put("PSCacheHitCount", dataSource.getCachedPreparedStatementHitCount());
dataMap.put("PSCacheMissCount", dataSource.getCachedPreparedStatementMissCount());
dataMap.put("StartTransactionCount", dataSource.getStartTransactionCount());
dataMap.put("TransactionHistogram", dataSource.getTransactionHistogramValues());
dataMap.put("ConnectionHoldTimeHistogram",
dataSource.getDataSourceStat().getConnectionHoldHistogram().toArray());
dataMap.put("RemoveAbandoned", dataSource.isRemoveAbandoned());
return dataMap;
}
}
src/main/java/com/alibaba/druid/support/JSONDruidStatService.java
+139
View File
@@ -0,0 +1,139 @@
package com.alibaba.druid.support;
import java.util.ArrayList;
import java.util.Collections;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.stat.DruidStatManagerFacade;
import com.alibaba.druid.stat.JdbcSqlStat;
import com.alibaba.druid.util.MapComparator;
import com.alibaba.druid.util.StringUtils;
import com.alibaba.fastjson.JSON;
/**
* @author sandzhang<sandzhangtoo@gmail.com>
*/
public class JSONDruidStatService {
private final static JSONDruidStatService instance = new JSONDruidStatService();
private static DruidStatManagerFacade druidStatManager = DruidStatManagerFacade.getInstance();
public final static int RESULT_CODE_SUCCESS = 1;
public final static int RESULT_CODE_ERROR = -1;
private final static int DEFAULT_PAGE = 1;
private final static int DEFAULT_PER_PAGE_COUNT = Integer.MAX_VALUE;
private static final String DEFAULT_ORDER_TYPE = "asc";
private JSONDruidStatService() {
}
public static JSONDruidStatService getInstance() {
return instance;
}
public String service(String url) {
Map<String, String> parameters = StringUtils.getParameters(url);
if (url.equals("/basic.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, druidStatManager.returnJSONBasicStat());
}
if (url.equals("/reset-all.json")) {
druidStatManager.resetAll();
return returnJSONResult(RESULT_CODE_SUCCESS, null);
}
if (url.equals("/datasource.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, druidStatManager.getDataSourceStatList());
}
if (url.startsWith("/datasource-")) {
Integer id = StringUtils.subStringToInteger(url, "datasource-", ".");
Object result = druidStatManager.getDataSourceStatData(id);
return returnJSONResult(result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
}
if (url.startsWith("/connectionInfo-") && url.endsWith(".json")) {
Integer id = StringUtils.subStringToInteger(url, "connectionInfo-", ".");
List<?> connectionInfoList = druidStatManager.getPoolingConnectionInfoByDataSourceId(id);
return returnJSONResult(connectionInfoList == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS,
connectionInfoList);
}
if (url.startsWith("/activeConnectionStackTrace-") && url.endsWith(".json")) {
Integer id = StringUtils.subStringToInteger(url, "activeConnectionStackTrace-", ".");
return returnJSONActiveConnectionStackTrace(id);
}
if (url.startsWith("/sql.json")) {
return returnJSONResult(RESULT_CODE_SUCCESS, getSqlStatDataList(parameters));
}
if (url.startsWith("/sql-") && url.indexOf(".json") > 0) {
Integer id = StringUtils.subStringToInteger(url, "sql-", ".json");
Object result = druidStatManager.getSqlStatData(id);
return returnJSONResult(result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
}
return returnJSONResult(RESULT_CODE_ERROR, "Do not support this request, please contact with administrator.");
}
private List<Map<String, Object>> getSqlStatDataList(Map<String, String> parameters) {
String orderBy = parameters.get("orderBy");
String orderType = parameters.get("orderType");
Integer page = Integer.parseInt(parameters.get("page"));
Integer perPageCount = Integer.parseInt(parameters.get("perPageCount"));
if (!"desc".equals(orderType)) orderType = DEFAULT_ORDER_TYPE;
if (page == null) page = DEFAULT_PAGE;
if (perPageCount == null) perPageCount = DEFAULT_PER_PAGE_COUNT;
List<Map<String, Object>> array = new ArrayList<Map<String, Object>>();
for (DruidDataSource datasource : druidStatManager.getDruidDataSourceInstances()) {
for (JdbcSqlStat sqlStat : datasource.getDataSourceStat().getSqlStatMap().values()) {
if (sqlStat.getExecuteCount() == 0 && sqlStat.getRunningCount() == 0) {
continue;
}
array.add(druidStatManager.getSqlStatData(sqlStat));
}
}
// orderby
if (orderBy != null && orderBy.trim().length() != 0) {
Collections.sort(array, new MapComparator<String, Object>(orderBy, DEFAULT_ORDER_TYPE.equals(orderType)));
}
// page
int fromIndex = (page - 1) * perPageCount;
int toIndex = page * perPageCount;
if (toIndex > array.size()) toIndex = array.size();
return array.subList(fromIndex, toIndex);
}
private String returnJSONActiveConnectionStackTrace(Integer id) {
List<String> result = druidStatManager.getActiveConnectionStackTraceByDataSourceId(id);
if (result == null) {
return returnJSONResult(RESULT_CODE_ERROR, "require set removeAbandoned=true");
}
return returnJSONResult(RESULT_CODE_SUCCESS, result);
}
private String returnJSONResult(int resultCode, Object content) {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("ResultCode", resultCode);
dataMap.put("Content", content);
return JSON.toJSONString(dataMap);
}
}
src/main/java/com/alibaba/druid/support/http/StatViewServlet.java
+23 -283
View File
@@ -1,33 +1,22 @@
package com.alibaba.druid.support.http;
import java.io.IOException;
import java.io.PrintWriter;
import java.sql.Driver;
import java.sql.DriverManager;
import java.util.ArrayList;
import java.util.Collections;
import java.util.Enumeration;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import javax.management.JMException;
import javax.servlet.ServletException;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import com.alibaba.druid.VERSION;
import com.alibaba.druid.pool.DruidDataSource;
import com.alibaba.druid.sql.SQLUtils;
import com.alibaba.druid.sql.ast.SQLStatement;
import com.alibaba.druid.sql.visitor.SchemaStatVisitor;
import com.alibaba.druid.stat.DruidStatManagerFacade;
import com.alibaba.druid.stat.JdbcSqlStat;
import com.alibaba.druid.support.JSONDruidStatService;
import com.alibaba.druid.util.IOUtils;
import com.alibaba.druid.util.MapComparator;
import com.alibaba.druid.util.StringUtils;
import com.alibaba.fastjson.JSON;
/**
* @author sandzhang<sandzhangtoo@gmail.com>
@@ -37,22 +26,15 @@ public class StatViewServlet extends HttpServlet {
/**
*
*/
private static final long serialVersionUID = 1L;
private static final long serialVersionUID = 1L;
private final static int RESULT_CODE_SUCCESS = 1;
private final static int RESULT_CODE_ERROR = -1;
private final static String RESOURCE_PATH = "support/http/resources";
private final static String TEMPLATE_PAGE_RESOURCE_PATH = RESOURCE_PATH + "/template.html";
private final static int DEFAULT_PAGE = 1;
private final static int DEFAULT_PER_PAGE_COUNT = Integer.MAX_VALUE;
private static DruidStatManagerFacade druidStatManager = DruidStatManagerFacade.getInstance();
private static JSONDruidStatService jsonDruidStatService = JSONDruidStatService.getInstance();
private final static String RESOURCE_PATH = "support/http/resources";
private final static String TEMPLATE_PAGE_RESOURCE_PATH = RESOURCE_PATH + "/template.html";
private static final String DEFAULT_ORDER_TYPE = "asc";
private static DruidStatManagerFacade druidStatManager=DruidStatManagerFacade.getInstance();
public String templatePage;
public String templatePage;
public void init() throws ServletException {
try {
@@ -80,74 +62,33 @@ public class StatViewServlet extends HttpServlet {
return;
}
if (path.equals("/basic.json")) {
returnJSONBasicStat(request, response);
if (path.indexOf(".json") >= 0) {
String fullUrl = path;
if (request.getQueryString() != null && request.getQueryString().length() > 0) {
fullUrl += "?" + request.getQueryString();
}
response.getWriter().print(jsonDruidStatService.service(fullUrl));
return;
}
if (path.equals("/reset-all.json")) {
resetAllStat();
returnJSONResult(request, response, RESULT_CODE_SUCCESS, null);
return;
}
if (path.equals("/datasource.json")) {
returnJSONResult(request, response, RESULT_CODE_SUCCESS, getDataSourceStatList());
return;
}
if (path.startsWith("/datasource-")) {
Integer id = StringUtils.subStringToInteger(path, "datasource-", ".");
Object result = getDataSourceStatData(id);
returnJSONResult(request, response, result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
return;
}
if (path.startsWith("/connectionInfo-")) {
if (path.startsWith("/connectionInfo-") && path.endsWith(".html")) {
Integer id = StringUtils.subStringToInteger(path, "connectionInfo-", ".");
DruidDataSource datasource = getDruidDataSourceById(id);
if (path.endsWith(".json")) {
if (datasource == null) returnJSONResult(request, response, RESULT_CODE_ERROR, null);
else returnJSONResult(request, response, RESULT_CODE_SUCCESS, datasource.getPoolingConnectionInfo());
return;
}
if (path.endsWith(".html")) {
returnViewConnectionInfo(datasource, request, response);
return;
}
DruidDataSource datasource = druidStatManager.getDruidDataSourceById(id);
returnViewConnectionInfo(datasource, request, response);
return;
}
if (path.startsWith("/activeConnectionStackTrace-")) {
if (path.startsWith("/activeConnectionStackTrace-") && path.endsWith(".html")) {
Integer id = StringUtils.subStringToInteger(path, "activeConnectionStackTrace-", ".");
DruidDataSource datasource = getDruidDataSourceById(id);
if (path.endsWith(".json")) returnJSONActiveConnectionStackTrace(datasource, request, response);
if (path.endsWith(".html")) returnViewActiveConnectionStackTrace(datasource, request, response);
DruidDataSource datasource = druidStatManager.getDruidDataSourceById(id);
returnViewActiveConnectionStackTrace(datasource, request, response);
return;
}
if (path.equals("/sql.json")) {
returnJSONResult(request, response, RESULT_CODE_SUCCESS, getSqlStatDataList(request));
return;
}
if (path.startsWith("/sql-")) {
if (path.startsWith("/sql-") && path.endsWith(".html")) {
Integer id = StringUtils.subStringToInteger(path, "sql-", ".");
if (path.endsWith(".json")) {
Object result = getSqlStatData(id);
returnJSONResult(request, response, result == null ? RESULT_CODE_ERROR : RESULT_CODE_SUCCESS, result);
return;
}
if (path.endsWith(".html")) {
JdbcSqlStat sqlStat = getSqlStatById(id);
returnViewSqlStat(sqlStat, response);
return;
}
JdbcSqlStat sqlStat = druidStatManager.getSqlStatById(id);
returnViewSqlStat(sqlStat, response);
return;
}
@@ -155,16 +96,6 @@ public class StatViewServlet extends HttpServlet {
returnResourceFile(path, response);
}
private void returnJSONActiveConnectionStackTrace(DruidDataSource datasource, HttpServletRequest request,
HttpServletResponse response) throws IOException {
if (datasource.isRemoveAbandoned()) {
List<String> result = datasource.getActiveConnectionStackTrace();
returnJSONResult(request, response, RESULT_CODE_SUCCESS, result);
} else {
returnJSONResult(request, response, RESULT_CODE_ERROR, "require set removeAbandoned=true");
}
}
private void returnViewActiveConnectionStackTrace(DruidDataSource datasource, HttpServletRequest request,
HttpServletResponse response) throws IOException {
if (datasource == null) return;
@@ -251,197 +182,6 @@ public class StatViewServlet extends HttpServlet {
}
private void resetAllStat() {
druidStatManager.resetAll();
}
private List<String> getDriversData() {
List<String> drivers = new ArrayList<String>();
for (Enumeration<Driver> e = DriverManager.getDrivers(); e.hasMoreElements();) {
Driver driver = e.nextElement();
drivers.add(driver.getClass().getName());
}
return drivers;
}
private void returnJSONBasicStat(HttpServletRequest request, HttpServletResponse response) throws IOException {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("Version", VERSION.getVersionNumber());
dataMap.put("Drivers", getDriversData());
returnJSONResult(request, response, RESULT_CODE_SUCCESS, dataMap);
}
private List<Object> getDataSourceStatList() {
List<Object> datasourceList = new ArrayList<Object>();
for (DruidDataSource dataSource : druidStatManager.getDruidDataSourceInstances()) {
datasourceList.add(dataSourceToMapData(dataSource));
}
return datasourceList;
}
private Map<String, Object> getDataSourceStatData(Integer id) {
if (id == null) {
return null;
}
DruidDataSource datasource = getDruidDataSourceById(id);
return datasource == null ? null : dataSourceToMapData(datasource);
}
private Map<String, Object> getSqlStatData(Integer id) {
if (id == null) {
return null;
}
JdbcSqlStat sqlStat = getSqlStatById(id);
return sqlStat == null ? null : getSqlStatData(sqlStat);
}
private JdbcSqlStat getSqlStatById(Integer id) {
for (DruidDataSource ds : druidStatManager.getDruidDataSourceInstances()) {
JdbcSqlStat sqlStat = ds.getDataSourceStat().getSqlStat(id);
if (sqlStat != null) return sqlStat;
}
return null;
}
private DruidDataSource getDruidDataSourceById(Integer identity) {
if (identity == null) {
return null;
}
for (DruidDataSource datasource : druidStatManager.getDruidDataSourceInstances()) {
if (System.identityHashCode(datasource) == identity) {
return datasource;
}
}
return null;
}
private Map<String, Object> getSqlStatData(JdbcSqlStat sqlStat) {
try {
return sqlStat.getData();
} catch (JMException e) {
}
return null;
}
private List<Map<String, Object>> getSqlStatDataList(HttpServletRequest request) {
String orderBy = request.getParameter("orderBy");
String orderType = request.getParameter("orderType");
Integer page = StringUtils.stringToInteger(request.getParameter("page"));
Integer perPageCount = StringUtils.stringToInteger(request.getParameter("perPageCount"));
if (!"desc".equals(orderType)) orderType = DEFAULT_ORDER_TYPE;
if (page == null) page = DEFAULT_PAGE;
if (perPageCount == null) perPageCount = DEFAULT_PER_PAGE_COUNT;
List<Map<String, Object>> array = new ArrayList<Map<String, Object>>();
for (DruidDataSource datasource : druidStatManager.getDruidDataSourceInstances()) {
for (JdbcSqlStat sqlStat : datasource.getDataSourceStat().getSqlStatMap().values()) {
if (sqlStat.getExecuteCount() == 0 && sqlStat.getRunningCount() == 0) {
continue;
}
array.add(getSqlStatData(sqlStat));
}
}
// orderby
if (orderBy != null && orderBy.trim().length() != 0) {
Collections.sort(array, new MapComparator<String, Object>(orderBy, DEFAULT_ORDER_TYPE.equals(orderType)));
}
// page
int fromIndex = (page - 1) * perPageCount;
int toIndex = page * perPageCount;
if (toIndex > array.size()) toIndex = array.size();
return array.subList(fromIndex, toIndex);
}
private Map<String, Object> dataSourceToMapData(DruidDataSource dataSource) {
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("Identity", System.identityHashCode(dataSource));
dataMap.put("Name", dataSource.getName());
dataMap.put("DbType", dataSource.getDbType());
dataMap.put("DriverClassName", dataSource.getDriverClassName());
dataMap.put("URL", dataSource.getUrl());
dataMap.put("UserName", dataSource.getUsername());
dataMap.put("FilterClassNames", dataSource.getFilterClassNames());
dataMap.put("WaitThreadCount", dataSource.getWaitThreadCount());
dataMap.put("NotEmptyWaitCount", dataSource.getNotEmptyWaitCount());
dataMap.put("NotEmptyWaitMillis", dataSource.getNotEmptyWaitMillis());
dataMap.put("PoolingCount", dataSource.getPoolingCount());
dataMap.put("PoolingPeak", dataSource.getPoolingPeak());
dataMap.put("PoolingPeakTime",
dataSource.getPoolingPeakTime() == null ? null : dataSource.getPoolingPeakTime().toString());
dataMap.put("ActiveCount", dataSource.getActiveCount());
dataMap.put("ActivePeak", dataSource.getActivePeak());
dataMap.put("ActivePeakTime",
dataSource.getActivePeakTime() == null ? null : dataSource.getActivePeakTime().toString());
dataMap.put("InitialSize", dataSource.getInitialSize());
dataMap.put("MinIdle", dataSource.getMinIdle());
dataMap.put("MaxActive", dataSource.getMaxActive());
dataMap.put("QueryTimeout", dataSource.getQueryTimeout());
dataMap.put("TransactionQueryTimeout", dataSource.getTransactionQueryTimeout());
dataMap.put("LoginTimeout", dataSource.getLoginTimeout());
dataMap.put("ValidConnectionCheckerClassName", dataSource.getValidConnectionCheckerClassName());
dataMap.put("ExceptionSorterClassName", dataSource.getExceptionSorterClassName());
dataMap.put("TestOnBorrow", dataSource.isTestOnBorrow());
dataMap.put("TestOnReturn", dataSource.isTestOnReturn());
dataMap.put("TestWhileIdle", dataSource.isTestWhileIdle());
dataMap.put("DefaultAutoCommit", dataSource.isDefaultAutoCommit());
dataMap.put("DefaultReadOnly", dataSource.isDefaultAutoCommit());
dataMap.put("DefaultTransactionIsolation", dataSource.getDefaultTransactionIsolation());
dataMap.put("LogicConnectCount", dataSource.getConnectCount());
dataMap.put("LogicCloseCount", dataSource.getCloseCount());
dataMap.put("LogicConnectErrorCount", dataSource.getConnectErrorCount());
dataMap.put("PhysicalConnectCount", dataSource.getCreateCount());
dataMap.put("PhysicalCloseCount", dataSource.getDestroyCount());
dataMap.put("PhysicalConnectErrorCount", dataSource.getCreateErrorCount());
dataMap.put("ExecuteCount", dataSource.getExecuteCount());
dataMap.put("ErrorCount", dataSource.getErrorCount());
dataMap.put("CommitCount", dataSource.getCommitCount());
dataMap.put("RollbackCount", dataSource.getRollbackCount());
dataMap.put("PSCacheAccessCount", dataSource.getCachedPreparedStatementAccessCount());
dataMap.put("PSCacheHitCount", dataSource.getCachedPreparedStatementHitCount());
dataMap.put("PSCacheMissCount", dataSource.getCachedPreparedStatementMissCount());
dataMap.put("StartTransactionCount", dataSource.getStartTransactionCount());
dataMap.put("TransactionHistogram", dataSource.getTransactionHistogramValues());
dataMap.put("ConnectionHoldTimeHistogram",
dataSource.getDataSourceStat().getConnectionHoldHistogram().toArray());
dataMap.put("RemoveAbandoned", dataSource.isRemoveAbandoned());
return dataMap;
}
private void returnJSONResult(HttpServletRequest request, HttpServletResponse response, int resultCode,
Object content) throws IOException {
PrintWriter out = response.getWriter();
Map<String, Object> dataMap = new LinkedHashMap<String, Object>();
dataMap.put("ResultCode", resultCode);
dataMap.put("Content", content);
out.print(JSON.toJSONString(dataMap));
}
private void returnResourceFile(String fileName, HttpServletResponse response) throws ServletException, IOException {
String text = IOUtils.readFromResource(RESOURCE_PATH + fileName);
if (fileName.endsWith(".css")) {
src/main/java/com/alibaba/druid/util/StringUtils.java
+32 -4
View File
@@ -1,5 +1,10 @@
package com.alibaba.druid.util;
import java.util.LinkedHashMap;
import java.util.Map;
import com.alibaba.fastjson.JSON;
/**
* @author sandzhang<sandzhangtoo@gmail.com>
*/
@@ -21,13 +26,13 @@ public class StringUtils {
* Example: subString("abcd","a","c")="b"
*
* @param src
* @param start
* @param to
* @param start null while start from index=0
* @param to null while to index=src.length
* @return
*/
public static String subString(String src, String start, String to) {
int indexFrom = src.indexOf(start);
int indexTo = src.indexOf(to);
int indexFrom = start == null ? 0 : src.indexOf(start);
int indexTo = to == null ? src.length() : src.indexOf(to);
if (indexFrom < 0 || indexTo < 0 || indexFrom > indexTo) {
return null;
}
@@ -66,4 +71,27 @@ public class StringUtils {
}
}
public static Map<String, String> getParameters(String url) {
if (url == null || (url = url.trim()).length() == 0) return null;
String parametersStr = subString(url, "?", null);
if (parametersStr == null || parametersStr.length() == 0) return null;
String[] parametersArray = parametersStr.split("&");
Map<String, String> parameters = new LinkedHashMap<String, String>();
for (String parameterStr : parametersArray) {
int index = parameterStr.indexOf("=");
if (index <= 0) continue;
String name = parameterStr.substring(0, index);
String value = parameterStr.substring(index + 1);
parameters.put(name, value);
}
return parameters;
}
public static void main(String args[]) {
System.out.println(JSON.toJSONString(getParameters("test?t=1&f=").get("t")));
}
}