【Java开源代码栏目提醒】:网学会员为需要Java开源代码的朋友们搜集整理了BaseTagHandler.java相关资料,希望对各位网友有所帮助!
/*
* Copyright 2004 Clinton Begin
*
* 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 com.ibatis.sqlmap.engine.mapping.sql.dynamic.elements;
public abstract class BaseTagHandler implements SqlTagHandler {
public int doStartFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject) {
ctx.pushRemoveFirstPrependMarker(tag);
return SqlTagHandler.INCLUDE_BODY;
}
public int doEndFragment(SqlTagContext ctx, SqlTag tag, Object parameterObject, StringBuffer bodyContent) {
if (tag.isCloseAvailable() && !(tag.getHandler() instanceof IterateTagHandler)) {
if (bodyContent.toString().trim().length() > 0) {
bodyContent.append(tag.getCloseAttr());
}
}
return SqlTagHandler.INCLUDE_BODY;
}
public void doPrepend(SqlTagContext ctx, SqlTag tag, Object parameterObject, StringBuffer bodyContent) {
if (tag.isOpenAvailable() && !(tag.getHandler() instanceof IterateTagHandler)) {
if (bodyContent.toString().trim().length() > 0) {
bodyContent.insert(0, tag.getOpenAttr());
}
}
if (tag.isPrependAvailable()) {
if (bodyContent.toString().trim().length() > 0) {
if (tag.getParent() != null && ctx.peekRemoveFirstPrependMarker(tag)) {
ctx.disableRemoveFirstPrependMarker();
}else {
bodyContent.insert(0, tag.getPrependAttr());
}
}
}
}
}
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