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/*
 * Copyright 2014-2021 Sayi
 *
 * 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.deepoove.poi.policy;

import org.apache.poi.xwpf.usermodel.XWPFParagraph;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.apache.poi.xwpf.usermodel.XWPFTable;
import org.apache.poi.xwpf.usermodel.XWPFTableCell;

import com.deepoove.poi.exception.RenderException;
import com.deepoove.poi.render.RenderContext;
import com.deepoove.poi.template.run.RunTemplate;
import com.deepoove.poi.util.TableTools;

/**
 * Support the text template(anywhere in table) in the table to dynamically hold
 * the XWPFTable object.
 * 
 * 

* When the style of a table has been designed, we only need to process some * cells in the table. Through this class, we can get the XWPFTable object of * the entire table, and then use POI to process the table *

* * @author Sayi */ public abstract class DynamicTableRenderPolicy extends AbstractRenderPolicy { public abstract void render(XWPFTable table, Object data) throws Exception; @Override public void doRender(RenderContext context) throws Exception { RunTemplate runTemplate = (RunTemplate) context.getEleTemplate(); XWPFRun run = runTemplate.getRun(); run.setText("", 0); try { if (!TableTools.isInsideTable(run)) { throw new IllegalStateException( "The template tag " + runTemplate.getSource() + " must be inside a table"); } XWPFTableCell cell = (XWPFTableCell) ((XWPFParagraph) run.getParent()).getBody(); XWPFTable table = cell.getTableRow().getTable(); render(table, context.getData()); } catch (Exception e) { throw new RenderException("Dynamic render table error:" + e.getMessage(), e); } } }