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yanglb
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Merge branch 'dev-2.0' into 'master'
Dev 2.0 See merge request !2
2 parents 22271ac + 9286dfc commit 9c16b00

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‎.gitignore‎

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.svn/
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bin/
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out/
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app/
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‎src/com/yanglb/utilitys/codegen/converter/BeanMapConverter.java‎

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/**
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* Copyright 2015 yanglb.com
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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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*/
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package com.yanglb.utilitys.codegen.converter;
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import java.lang.reflect.Field;
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import java.util.Map;
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import com.yanglb.utilitys.codegen.exceptions.CodeGenException;
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import com.yanglb.utilitys.codegen.utility.MsgUtility;
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import com.yanglb.utilitys.codegen.utility.ObjectUtility;
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import com.yanglb.utilitys.codegen.utility.StringUtility;
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public class BeanMapConverter<T> {
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/**
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* 将Map转换为 cls类的对象
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* @param cls 将要转换为的类
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* @param map 保存数据的Map
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* @return 转换结果
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* @throws CodeGenException
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*/
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public T convert(Class<T> cls, Map<String, String> map) throws CodeGenException {
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T result = null;
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try {
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result = cls.newInstance();
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for(String key:map.keySet()) {
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Field field = ObjectUtility.getDeepField(result.getClass(), key);
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field.setAccessible(true);
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String mapValue = map.get(key);
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Object value = null;
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// 类型转换
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Class<?> type = field.getType();
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if(boolean.class.equals(type)) {
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value = false;
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if(!StringUtility.isNullOrEmpty(mapValue)) {
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value = this.toBoolean(mapValue);
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}
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} else if (Boolean.class.equals(type)) {
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value = null;
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if(!StringUtility.isNullOrEmpty(mapValue)) {
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value = this.toBoolean(mapValue);
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}
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} else if (int.class.equals(type)) {
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// 直接转换，出错时向外抛异常
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try{
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value = Integer.parseInt(mapValue);
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}catch(NumberFormatException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_001"), key, e.getMessage()));
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}
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} else if ( Integer.class.equals(type)) {
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// 可以为Null的整型
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if(StringUtility.isNullOrEmpty(mapValue)) {
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value = null;
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} else {
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try{
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value = Integer.parseInt(mapValue);
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}catch(NumberFormatException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_001"), key, e.getMessage()));
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}
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}
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} else {
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// TODO: 其它类型的转换需要添加
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value = mapValue;
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}
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field.set(result, value);
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}
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} catch (InstantiationException | IllegalAccessException e) {
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throw new CodeGenException(e.getMessage());
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} catch (NoSuchFieldException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_002"), e.getMessage()));
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} catch (SecurityException e) {
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throw new CodeGenException(e.getMessage());
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}
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return result;
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}
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private boolean toBoolean(String v) {
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boolean value = false;
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v = v.toLowerCase();
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if("y".equals(v)
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|| "yes".equals(v)
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|| "true".equals(v)){
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value = true;
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}
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return value;
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}
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}
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/**
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* Copyright 2015 yanglb.com
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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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*/
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package com.yanglb.utilitys.codegen.converter;
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import java.lang.reflect.Field;
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import java.util.Map;
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import com.yanglb.utilitys.codegen.exceptions.CodeGenException;
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import com.yanglb.utilitys.codegen.utility.MsgUtility;
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import com.yanglb.utilitys.codegen.utility.ObjectUtility;
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import com.yanglb.utilitys.codegen.utility.StringUtility;
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public class BeanMapConverter<T> {
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/**
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* 将Map转换为 cls类的对象
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* @param cls 将要转换为的类
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* @param map 保存数据的Map
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* @return 转换结果
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* @throws CodeGenException
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*/
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public T convert(Class<T> cls, Map<String, String> map) throws CodeGenException {
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T result = null;
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try {
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result = cls.newInstance();
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for(String key:map.keySet()) {
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Field field = ObjectUtility.getDeepField(result.getClass(), key);
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field.setAccessible(true);
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String mapValue = map.get(key);
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Object value = null;
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// 类型转换
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Class<?> type = field.getType();
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if(boolean.class.equals(type)) {
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value = false;
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if(!StringUtility.isNullOrEmpty(mapValue)) {
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value = this.toBoolean(mapValue);
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}
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} else if (Boolean.class.equals(type)) {
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value = null;
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if(!StringUtility.isNullOrEmpty(mapValue)) {
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value = this.toBoolean(mapValue);
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}
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} else if (int.class.equals(type)) {
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// 直接转换，出错时向外抛异常
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try{
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value = Integer.parseInt(mapValue);
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}catch(NumberFormatException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_001"), key, e.getMessage()));
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}
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} else if ( Integer.class.equals(type)) {
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// 可以为Null的整型
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if(StringUtility.isNullOrEmpty(mapValue)) {
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value = null;
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} else {
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try{
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value = Integer.parseInt(mapValue);
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}catch(NumberFormatException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_001"), key, e.getMessage()));
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}
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}
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} else {
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// TODO: 其它类型的转换需要添加
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value = mapValue;
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}
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field.set(result, value);
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}
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} catch (InstantiationException | IllegalAccessException e) {
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throw new CodeGenException(e.getMessage());
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} catch (NoSuchFieldException e) {
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throw new CodeGenException(String.format(MsgUtility.getString("E_002"), e.getMessage()));
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} catch (SecurityException e) {
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throw new CodeGenException(e.getMessage());
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}
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return result;
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}
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private boolean toBoolean(String v) {
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boolean value = false;
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v = v.toLowerCase();
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if("y".equals(v)
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|| "√".equals(v)
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|| "yes".equals(v)
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|| "true".equals(v)){
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value = true;
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}
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return value;
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}
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}

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