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格式化代码
git-svn-id: http://code.alibabatech.com/svn/druid/trunk@17 b9813039-fb51-4c41-a8b9-e21c2acb5095
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wenshao
@@ -1,158 +1,152 @@
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/*
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* Copyright 2011 Alibaba Group.
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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* Copyright 2011 Alibaba Group. Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
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* file except in compliance with the License. You may obtain a copy of the License at
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* http://www.apache.org/licenses/LICENSE-2.0 Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND,
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* either express or implied. See the License for the specific language governing permissions and limitations under the
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* License.
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*/
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package com.alibaba.druid.util;
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import java.sql.SQLException;
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import java.util.Iterator;
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import java.util.List;
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import com.alibaba.druid.filter.Filter;
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import com.alibaba.druid.filter.FilterManager;
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import com.alibaba.druid.proxy.config.AbstractDruidFilterConfig;
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/**
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* druid loader utils
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*
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* @author gang.su
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*/
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public class DruidLoaderUtils {
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public static void loadFilter(List<Filter> filterList, List<AbstractDruidFilterConfig> druidFilterConfigList)
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throws SQLException {
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for (Iterator<AbstractDruidFilterConfig> iterator = druidFilterConfigList.iterator(); iterator.hasNext();) {
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AbstractDruidFilterConfig druidFilterConfig = iterator.next();
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String filterItem = druidFilterConfig.getClazz();
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Class<?> filterClass = loadClass(druidFilterConfig.getClazz());
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if (filterClass == null) {
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return;
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}
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Filter jdbcFilter;
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try {
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jdbcFilter = (Filter) filterClass.newInstance();
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jdbcFilter.loadConfig(druidFilterConfig);
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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filterList.add(jdbcFilter);
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}
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}
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public static void loadFilter(List<Filter> filterConfigList, String filterItem) throws SQLException {
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if (filterItem.length() == 0) {
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return;
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}
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String filterClassNames = FilterManager.getFilter(filterItem);
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if (filterClassNames != null) {
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filterClassNames = filterClassNames.trim();
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}
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if (filterClassNames != null) {
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for (String filterClassName : filterClassNames.split(",")) {
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if (!isExist(filterConfigList, filterClassName)) {
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Class<?> filterClass = loadClass(filterClassName);
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if (filterClass != null) {
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Filter filter;
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try {
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filter = (Filter) filterClass.newInstance();
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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filterConfigList.add(filter);
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}
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}
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}
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} else {
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if (!isExist(filterConfigList, filterItem)) {
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Class<?> filterClass = loadClass(filterItem);
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if (filterClass != null) {
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try {
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Filter filter = (Filter) filterClass.newInstance();
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filterConfigList.add(filter);
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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}
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}
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}
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}
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/**
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* 是否存在load
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* @param filterConfigList
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* @param filterClassName
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* @return
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*/
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private static boolean isExist(List<Filter> filterConfigList, String filterClassName) {
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for (Iterator<Filter> iterator = filterConfigList.iterator(); iterator.hasNext();) {
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Filter filter = (Filter) iterator.next();
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if (filter.getClass().getName().equalsIgnoreCase(filterClassName)) {
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return true;
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}
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}
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return false;
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}
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public static Class<?> loadClass(String className) {
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Class<?> clazz = null;
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if (className == null) {
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return null;
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}
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try {
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clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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if (clazz == null) {
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loadClass2(className);
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}
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return clazz;
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}
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public static Class<?> loadClass2(String className) {
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if (className == null) {
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return null;
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}
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try {
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return Class.forName(className);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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package com.alibaba.druid.util;
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import java.sql.SQLException;
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import java.util.Iterator;
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import java.util.List;
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import com.alibaba.druid.filter.Filter;
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import com.alibaba.druid.filter.FilterManager;
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import com.alibaba.druid.proxy.config.AbstractDruidFilterConfig;
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/**
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* druid loader utils
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*
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* @author gang.su
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*/
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public class DruidLoaderUtils {
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public static void loadFilter(List<Filter> filterList, List<AbstractDruidFilterConfig> druidFilterConfigList)
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throws SQLException {
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for (Iterator<AbstractDruidFilterConfig> iterator = druidFilterConfigList.iterator(); iterator.hasNext();) {
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AbstractDruidFilterConfig druidFilterConfig = iterator.next();
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String filterItem = druidFilterConfig.getClazz();
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Class<?> filterClass = loadClass(druidFilterConfig.getClazz());
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if (filterClass == null) {
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return;
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}
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Filter jdbcFilter;
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try {
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jdbcFilter = (Filter) filterClass.newInstance();
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jdbcFilter.loadConfig(druidFilterConfig);
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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filterList.add(jdbcFilter);
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}
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}
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public static void loadFilter(List<Filter> filterConfigList, String filterItem) throws SQLException {
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if (filterItem.length() == 0) {
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return;
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}
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String filterClassNames = FilterManager.getFilter(filterItem);
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if (filterClassNames != null) {
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filterClassNames = filterClassNames.trim();
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}
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if (filterClassNames != null) {
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for (String filterClassName : filterClassNames.split(",")) {
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if (!isExist(filterConfigList, filterClassName)) {
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Class<?> filterClass = loadClass(filterClassName);
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if (filterClass != null) {
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Filter filter;
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try {
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filter = (Filter) filterClass.newInstance();
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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filterConfigList.add(filter);
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}
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}
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}
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} else {
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if (!isExist(filterConfigList, filterItem)) {
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Class<?> filterClass = loadClass(filterItem);
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if (filterClass != null) {
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try {
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Filter filter = (Filter) filterClass.newInstance();
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filterConfigList.add(filter);
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} catch (InstantiationException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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} catch (IllegalAccessException e) {
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throw new SQLException("load managed jdbc driver event listener error. " + filterItem, e);
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}
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}
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}
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}
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}
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/**
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* 是否存在load
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*
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* @param filterConfigList
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* @param filterClassName
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* @return
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*/
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private static boolean isExist(List<Filter> filterConfigList, String filterClassName) {
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for (Iterator<Filter> iterator = filterConfigList.iterator(); iterator.hasNext();) {
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Filter filter = (Filter) iterator.next();
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if (filter.getClass().getName().equalsIgnoreCase(filterClassName)) {
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return true;
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}
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}
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return false;
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}
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public static Class<?> loadClass(String className) {
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Class<?> clazz = null;
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if (className == null) {
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return null;
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}
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try {
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clazz = Thread.currentThread().getContextClassLoader().loadClass(className);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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if (clazz == null) {
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loadClass2(className);
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}
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return clazz;
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}
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public static Class<?> loadClass2(String className) {
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if (className == null) {
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return null;
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}
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try {
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return Class.forName(className);
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} catch (ClassNotFoundException e) {
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e.printStackTrace();
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}
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return null;
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}
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}
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