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scouter.server.plugin.PluginHelper Maven / Gradle / Ivy
/*
* Copyright 2015 the original author or authors.
* @https://github.com/scouter-project/scouter
*
* 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 scouter.server.plugin;
import org.apache.http.HttpEntity;
import org.apache.http.client.config.RequestConfig;
import org.apache.http.client.methods.CloseableHttpResponse;
import org.apache.http.client.methods.HttpGet;
import org.apache.http.impl.client.CloseableHttpClient;
import org.apache.http.impl.client.HttpClientBuilder;
import org.apache.http.util.EntityUtils;
import scouter.lang.AlertLevel;
import scouter.lang.TextTypes;
import scouter.lang.conf.ConfigDesc;
import scouter.lang.conf.Internal;
import scouter.lang.conf.ParamDesc;
import scouter.lang.pack.AlertPack;
import scouter.server.Logger;
import scouter.server.core.AlertCore;
import scouter.server.db.KeyValueStoreRW;
import scouter.server.db.TextRD;
import scouter.util.HashUtil;
import scouter.util.Hexa32;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.lang.reflect.AccessibleObject;
import java.lang.reflect.Constructor;
import java.lang.reflect.Field;
import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;
import java.lang.reflect.Modifier;
import java.net.URLDecoder;
import java.net.URLEncoder;
import java.text.NumberFormat;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import static scouter.lang.constants.ScouterConstants.SHORTENER_KEY_SPACE;
/**
* Utility class for script plugin
* Created by gunlee on 2017. 8. 18.
*
* @since v1.7.3
*/
public class PluginHelper {
private static final String NO_DATE = "00000000";
private static Map reflCache = Collections.synchronizedMap(new LinkedHashMap(100));
private static PluginHelper instance = new PluginHelper();
private PluginHelper() {
}
public static PluginHelper getInstance() {
return instance;
}
@ConfigDesc("logging")
public void log(Object c) {
Logger.println(c);
}
@ConfigDesc("System.out.println")
public void println(Object c) {
System.out.println(c);
}
@ConfigDesc("url encoding")
public String urlEncode(String s) throws UnsupportedEncodingException {
return URLEncoder.encode(s, "UTF-8");
}
@ConfigDesc("url decoding")
public String urlDecode(String s) throws UnsupportedEncodingException {
return URLDecoder.decode(s, "UTF-8");
}
@ConfigDesc("make shorten url.")
public String toShortenUrl(String producerUrl, String urlToShortening) throws UnsupportedEncodingException {
String shorten = Hexa32.toString32(HashUtil.hash(urlToShortening));
KeyValueStoreRW.set(SHORTENER_KEY_SPACE, shorten, urlToShortening);
return producerUrl + "/" + shorten;
}
@ConfigDesc("get NumberFormatter set fraction 1")
public NumberFormat getNumberFormatter() {
return getNumberFormatter(1);
}
@ConfigDesc("get NumberFormatter set the fraction")
@ParamDesc("int fractionDigits")
public NumberFormat getNumberFormatter(int fractionDigits) {
NumberFormat f = NumberFormat.getInstance();
f.setMaximumFractionDigits(fractionDigits);
return f;
}
@ConfigDesc("format the number as fraction 1")
public String formatNumber(float f) {
return formatNumber(f, 1);
}
@ConfigDesc("format the number as given fraction")
@ParamDesc("float f, int fractionDigits")
public String formatNumber(float f, int fractionDigits) {
return getNumberFormatter(fractionDigits).format(f);
}
@ConfigDesc("format the number as fraction 1")
public String formatNumber(double v) {
return formatNumber(v, 1);
}
@ConfigDesc("format the number as given fraction")
@ParamDesc("double v, int fractionDigits")
public String formatNumber(double v, int fractionDigits) {
return getNumberFormatter(fractionDigits).format(v);
}
@ConfigDesc("format the number as fraction 1")
public String formatNumber(int v) {
return formatNumber(v, 1);
}
@ConfigDesc("format the number as given fraction")
@ParamDesc("int v, int fractionDigits")
public String formatNumber(int v, int fractionDigits) {
return getNumberFormatter(fractionDigits).format(v);
}
@ConfigDesc("format the number as fraction 1")
public String formatNumber(long v) {
return formatNumber(v, 1);
}
@ConfigDesc("format the number as given fraction")
@ParamDesc("long v, int fractionDigits")
public String formatNumber(long v, int fractionDigits) {
return getNumberFormatter(fractionDigits).format(v);
}
@ConfigDesc("alert as info level")
@ParamDesc("int objHash, String objType, String title, String message")
public void alertInfo(int objHash, String objType, String title, String message) {
alert(AlertLevel.INFO, objHash, objType, title, message);
}
@ConfigDesc("alert as warn level")
@ParamDesc("int objHash, String objType, String title, String message")
public void alertWarn(int objHash, String objType, String title, String message) {
alert(AlertLevel.WARN, objHash, objType, title, message);
}
@ConfigDesc("alert as error level")
@ParamDesc("int objHash, String objType, String title, String message")
public void alertError(int objHash, String objType, String title, String message) {
alert(AlertLevel.ERROR, objHash, objType, title, message);
}
@ConfigDesc("alert as fatal level")
@ParamDesc("int objHash, String objType, String title, String message")
public void alertFatal(int objHash, String objType, String title, String message) {
alert(AlertLevel.FATAL, objHash, objType, title, message);
}
@ConfigDesc("make hashMap easily")
@ParamDesc("String[] keyValueArray")
public HashMap toMap(String[] keyValueArray) {
HashMap map = new HashMap();
for (int i = 0; i < keyValueArray.length; i+=2) {
map.put(keyValueArray[i], keyValueArray[i+1]);
}
return map;
}
@ConfigDesc("request http get")
@ParamDesc("String url, Map paramMap")
public void httpGet(String _url, Map paramMap) {
httpGet(_url, paramMap, 1000);
}
@ConfigDesc("request http get")
@ParamDesc("String url, Map paramMap, int timeoutMillis")
public void httpGet(String _url, Map paramMap, int timeoutMillis) {
CloseableHttpResponse response = null;
try {
RequestConfig config = RequestConfig.custom()
.setConnectTimeout(1000)
.setConnectionRequestTimeout(1000)
.setSocketTimeout(timeoutMillis).build();
CloseableHttpClient httpClient = HttpClientBuilder.create().setDefaultRequestConfig(config).build();
HttpGet httpGet = new HttpGet(_url + "?" + getParamsString(paramMap));
response = httpClient.execute(httpGet);
HttpEntity entity = response.getEntity();
EntityUtils.consume(entity);
} catch(Exception e) {
e.printStackTrace();
} finally {
if (response != null) {
try {
response.close();
} catch (IOException e) {
}
}
}
}
@Internal
public String getParamsString(Map params) throws UnsupportedEncodingException {
if (params == null || params.size() == 0) {
return "";
}
StringBuilder result = new StringBuilder();
for (Map.Entry entry : params.entrySet()) {
result.append(URLEncoder.encode(entry.getKey(), "UTF-8"));
result.append("=");
result.append(URLEncoder.encode(entry.getValue(), "UTF-8"));
result.append("&");
}
String resultString = result.toString();
return resultString.length() > 0 ? resultString.substring(0, resultString.length() - 1) : resultString;
}
@Internal
public void alert(byte level, int objHash, String objType, String title, String message) {
AlertPack p = new AlertPack();
p.time = System.currentTimeMillis();
p.level = level;
p.objHash = objHash;
p.objType = objType;
p.title = title;
p.message = message;
AlertCore.add(p);
}
@Internal
public String getErrorString(int hash) {
return getErrorString(NO_DATE, hash);
}
@Internal
public String getErrorString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.ERROR, hash);
}
@Internal
public String getApicallString(int hash) {
return getApicallString(NO_DATE, hash);
}
@Internal
public String getApicallString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.APICALL, hash);
}
@Internal
public String getMethodString(int hash) {
return getMethodString(NO_DATE, hash);
}
@Internal
public String getMethodString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.METHOD, hash);
}
@Internal
public String getServiceString(int hash) {
return getServiceString(NO_DATE, hash);
}
@Internal
public String getServiceString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.SERVICE, hash);
}
@Internal
public String getSqlString(int hash) {
return getSqlString(NO_DATE, hash);
}
@Internal
public String getSqlString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.SQL, hash);
}
@Internal
public String getObjectString(int hash) {
return getObjectString(NO_DATE, hash);
}
@Internal
public String getObjectString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.OBJECT, hash);
}
@Internal
public String getRefererString(int hash) {
return getRefererString(NO_DATE, hash);
}
@Internal
public String getRefererString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.REFERER, hash);
}
@Internal
public String getUserAgentString(int hash) {
return getUserAgentString(NO_DATE, hash);
}
@Internal
public String getUserAgentString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.USER_AGENT, hash);
}
@Internal
public String getUserGroupString(int hash) {
return getUserGroupString(NO_DATE, hash);
}
@Internal
public String getUserGroupString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.GROUP, hash);
}
@Internal
public String getCityString(int hash) {
return getCityString(NO_DATE, hash);
}
@Internal
public String getCityString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.CITY, hash);
}
@Internal
public String getLoginString(int hash) {
return getLoginString(NO_DATE, hash);
}
@Internal
public String getLoginString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.LOGIN, hash);
}
@Internal
public String getDescString(int hash) {
return getDescString(NO_DATE, hash);
}
@Internal
public String getDescString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.DESC, hash);
}
@Internal
public String getWebString(int hash) {
return getWebString(NO_DATE, hash);
}
@Internal
public String getWebString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.WEB, hash);
}
@Internal
public String getHashMsgString(int hash) {
return getHashMsgString(NO_DATE, hash);
}
@Internal
public String getHashMsgString(String yyyymmdd, int hash) {
return TextRD.getString(yyyymmdd, TextTypes.HASH_MSG, hash);
}
@Internal
@ConfigDesc("reflection util")
public Object invokeMethod(Object o, String methodName) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
Object[] objs = {};
return invokeMethod(o, methodName, objs);
}
@Internal
@ConfigDesc("reflection util")
public Object invokeMethod(Object o, String methodName, Object[] args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
int argsSize = args.length;
StringBuilder signature = new StringBuilder(o.getClass().getName()).append(":").append(methodName).append("():");
Class[] argClazzes = new Class[argsSize];
for (int i = 0; i < argsSize; i++) {
argClazzes[i] = args[i].getClass();
}
return invokeMethod(o, methodName, argClazzes, args);
}
@Internal
@ConfigDesc("reflection util")
public Object invokeMethod(Object o, String methodName, Class[] argTypes, Object[] args) throws NoSuchMethodException, InvocationTargetException, IllegalAccessException {
int argsSize = args.length;
StringBuilder signature = new StringBuilder(o.getClass().getName()).append(":").append(methodName).append("():");
for (int i = 0; i < argsSize; i++) {
signature.append(argTypes[i].getName()).append("+");
}
Method m = (Method) reflCache.get(signature.toString());
if (m == null) {
m = o.getClass().getMethod(methodName, argTypes);
reflCache.put(signature.toString(), m);
}
return m.invoke(o, args);
}
@Internal
@ConfigDesc("reflection util")
public Object newInstance(String className) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
return newInstance(className, Thread.currentThread().getContextClassLoader());
}
@Internal
@ConfigDesc("reflection util")
public Object newInstance(String className, ClassLoader loader) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
Object[] objs = {};
return newInstance(className, loader, objs);
}
@Internal
@ConfigDesc("reflection util")
public Object newInstance(String className, Object[] args) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
return newInstance(className, Thread.currentThread().getContextClassLoader(), args);
}
@Internal
@ConfigDesc("reflection util")
public Object newInstance(String className, ClassLoader loader, Object[] args) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
int argsSize = args.length;
Class[] argClazzes = new Class[argsSize];
for (int i = 0; i < argsSize; i++) {
argClazzes[i] = args[i].getClass();
}
return newInstance(className, loader, argClazzes, args);
}
@Internal
@ConfigDesc("reflection util")
public Object newInstance(String className, ClassLoader loader, Class[] argTypes, Object[] args) throws ClassNotFoundException, NoSuchMethodException, IllegalAccessException, InvocationTargetException, InstantiationException {
int argsSize = args.length;
StringBuilder signature = new StringBuilder(className).append("::");
for (int i = 0; i < argsSize; i++) {
signature.append(argTypes[i].getName()).append("+");
}
Class clazz = Class.forName(className, true, loader);
Constructor constructor = (Constructor) reflCache.get(signature.toString());
if (constructor == null) {
constructor = clazz.getConstructor(argTypes);
reflCache.put(signature.toString(), constructor);
}
return constructor.newInstance(args);
}
@Internal
@ConfigDesc("reflection util")
public Object getFieldValue(Object o, String fieldName) throws InvocationTargetException, IllegalAccessException, NoSuchFieldException {
StringBuilder signature = new StringBuilder(o.getClass().getName()).append(":").append(fieldName).append(":");
Field f = (Field) reflCache.get(signature.toString());
if (f == null) {
f = o.getClass().getDeclaredField(fieldName);
f.setAccessible(true);
reflCache.put(signature.toString(), f);
}
return f.get(o);
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0) {
Class[] classes = new Class[1];
classes[0] = class0;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1) {
Class[] classes = new Class[2];
classes[0] = class0;
classes[1] = class1;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2) {
Class[] classes = new Class[3];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2, Class class3) {
Class[] classes = new Class[4];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
classes[3] = class3;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2, Class class3, Class class4) {
Class[] classes = new Class[5];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
classes[3] = class3;
classes[4] = class4;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2, Class class3, Class class4, Class class5) {
Class[] classes = new Class[6];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
classes[3] = class3;
classes[4] = class4;
classes[5] = class5;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2, Class class3, Class class4, Class class5, Class class6) {
Class[] classes = new Class[7];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
classes[3] = class3;
classes[4] = class4;
classes[5] = class5;
classes[6] = class6;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Class[] makeArgTypes(Class class0, Class class1, Class class2, Class class3, Class class4, Class class5, Class class6, Class class7) {
Class[] classes = new Class[8];
classes[0] = class0;
classes[1] = class1;
classes[2] = class2;
classes[3] = class3;
classes[4] = class4;
classes[5] = class5;
classes[6] = class6;
classes[7] = class7;
return classes;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0) {
Object[] objects = new Object[1];
objects[0] = object0;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1) {
Object[] objects = new Object[2];
objects[0] = object0;
objects[1] = object1;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2) {
Object[] objects = new Object[3];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2, Object object3) {
Object[] objects = new Object[4];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
objects[3] = object3;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2, Object object3, Object object4) {
Object[] objects = new Object[5];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
objects[3] = object3;
objects[4] = object4;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2, Object object3, Object object4, Object object5) {
Object[] objects = new Object[6];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
objects[3] = object3;
objects[4] = object4;
objects[5] = object5;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2, Object object3, Object object4, Object object5, Object object6) {
Object[] objects = new Object[7];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
objects[3] = object3;
objects[4] = object4;
objects[5] = object5;
objects[6] = object6;
return objects;
}
@Internal
@ConfigDesc("reflection util")
public Object[] makeArgs(Object object0, Object object1, Object object2, Object object3, Object object4, Object object5, Object object6, Object object7) {
Object[] objects = new Object[8];
objects[0] = object0;
objects[1] = object1;
objects[2] = object2;
objects[3] = object3;
objects[4] = object4;
objects[5] = object5;
objects[6] = object6;
objects[7] = object7;
return objects;
}
public static class Desc {
public String desc;
public String methodName;
public List parameterTypeNames;
public String returnTypeName;
}
private static List pluginHelperDesc;
public static synchronized List getPluginHelperDesc() {
if (pluginHelperDesc != null) {
return pluginHelperDesc;
}
List descList = new ArrayList();
Method[] methods = PluginHelper.class.getDeclaredMethods();
for (Method method : methods) {
int mod = method.getModifiers();
if (Modifier.isStatic(mod) == false && Modifier.isPublic(mod)) {
Deprecated deprecated = method.getAnnotation(Deprecated.class);
Internal internal = method.getAnnotation(Internal.class);
if (deprecated != null || internal != null) {
continue;
}
List typeClassNameList = new ArrayList();
Class[] clazzes = method.getParameterTypes();
ParamDesc paramDesc = method.getAnnotation(ParamDesc.class);
if (paramDesc != null) {
typeClassNameList.add(paramDesc.value());
} else {
for (Class clazz : clazzes) {
typeClassNameList.add(clazz.getName());
}
}
ConfigDesc configDesc = method.getAnnotation(ConfigDesc.class);
PluginHelper.Desc desc = new PluginHelper.Desc();
desc.methodName = method.getName();
desc.returnTypeName = method.getReturnType().getName();
if (configDesc != null) {
desc.desc = configDesc.value();
}
desc.parameterTypeNames = typeClassNameList;
descList.add(desc);
}
}
pluginHelperDesc = descList;
return pluginHelperDesc;
}
}
