/*
 * 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.
 */

package org.apache.shardingsphere.shardingjdbc.spring.namespace.parser;

import com.google.common.base.Splitter;
import com.google.common.base.Strings;
import org.apache.shardingsphere.api.config.encryptor.EncryptorConfiguration;
import org.apache.shardingsphere.shardingjdbc.spring.namespace.constants.EncryptorBeanDefinitionParserTag;
import org.springframework.beans.factory.support.AbstractBeanDefinition;
import org.springframework.beans.factory.support.BeanDefinitionBuilder;
import org.springframework.beans.factory.xml.AbstractBeanDefinitionParser;
import org.springframework.beans.factory.xml.ParserContext;
import org.w3c.dom.Element;

import java.util.LinkedList;
import java.util.Properties;

/**
 * Encryptor bean parser for spring namespace.
 *®
 * @author panjuan
 */
public final class EncryptorBeanDefinitionParser extends AbstractBeanDefinitionParser {
    
    @Override
    protected AbstractBeanDefinition parseInternal(final Element element, final ParserContext parserContext) {
        BeanDefinitionBuilder factory = BeanDefinitionBuilder.rootBeanDefinition(EncryptorConfiguration.class);
        factory.addConstructorArgValue(element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_TYPE_ATTRIBUTE));
        parseColumns(element, factory);
        parseAssistedQueryColumns(element, factory);
        parseProperties(element, factory);
        return factory.getBeanDefinition();
    }
    
    private void parseColumns(final Element element, final BeanDefinitionBuilder factory) {
        String columnNames = element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_COLUMNS_ATTRIBUTE);
        factory.addConstructorArgValue(Splitter.on(",").trimResults().splitToList(columnNames));
    }
    
    private void parseAssistedQueryColumns(final Element element, final BeanDefinitionBuilder factory) {
        String assistedQueryColumns = element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_ASSISTED_QUERY_COLUMNS_ATTRIBUTE);
        if (!Strings.isNullOrEmpty(assistedQueryColumns)) {
            factory.addConstructorArgValue(Splitter.on(",").trimResults().splitToList(assistedQueryColumns));
        } else {
            factory.addConstructorArgValue(new LinkedList<>());
        }
    }
    
    private void parseProperties(final Element element, final BeanDefinitionBuilder factory) {
        String properties = element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_PROPERTY_REF_ATTRIBUTE);
        if (!Strings.isNullOrEmpty(properties)) {
            factory.addConstructorArgReference(properties);
        } else {
            factory.addConstructorArgValue(new Properties());
        }
    }
}

@@ -873,48 +873,8 @@
 r;%0A%0A
-import com.google.common.base.Splitter;%0A
 impo
@@ -908,16 +908,16 @@
 trings;%0A
+
 import o
@@ -1406,37 +1406,8 @@
 t;%0A%0A
-import java.util.LinkedList;%0A
 impo
@@ -1973,37 +1973,121 @@
     
-parseColumns(element, factory
+factory.addConstructorArgValue(element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_COLUMNS_ATTRIBUTE)
 );%0A 
@@ -2240,321 +2240,8 @@
    %0A
-    private void parseColumns(final Element element, final BeanDefinitionBuilder factory) %7B%0A        String columnNames = element.getAttribute(EncryptorBeanDefinitionParserTag.ENCRYPTOR_COLUMNS_ATTRIBUTE);%0A        factory.addConstructorArgValue(Splitter.on(%22,%22).trimResults().splitToList(columnNames));%0A    %7D%0A    %0A
     
@@ -2585,153 +2585,28 @@
 lue(
-Splitter.on(%22,%22).trimResults().splitToList(assistedQueryColumns));%0A        %7D else %7B%0A            factory.addConstructorArgValue(new LinkedList%3C%3E()
+assistedQueryColumns
 );%0A 

modify parseAssistedQueryColumns()