com.deepoove.poi.policy.PictureRenderPolicy.java Source code

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Here is the source code for com.deepoove.poi.policy.PictureRenderPolicy.java

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/*
 * Copyright 2014-2015 the original author or authors.
 *
 * 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 java.io.FileInputStream;
import java.io.FileNotFoundException;

import org.apache.poi.openxml4j.exceptions.InvalidFormatException;
import org.apache.poi.xwpf.usermodel.XWPFDocument;
import org.apache.poi.xwpf.usermodel.XWPFRun;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import com.deepoove.poi.XWPFTemplate;
import com.deepoove.poi.data.PictureRenderData;
import com.deepoove.poi.template.ElementTemplate;
import com.deepoove.poi.template.run.RunTemplate;

public class PictureRenderPolicy implements RenderPolicy {

    protected final Logger logger = LoggerFactory.getLogger(PictureRenderPolicy.class);

    @Override
    public void render(ElementTemplate runTemplateP, Object renderData, XWPFTemplate doc) {
        RunTemplate runTemplate = (RunTemplate) runTemplateP;
        XWPFRun run = runTemplate.getRun();
        if (renderData == null) {
            return;
        }
        PictureRenderData pictureRenderData = null;
        if (renderData instanceof PictureRenderData) {
            pictureRenderData = (PictureRenderData) renderData;
        } else {
            logger.warn("error render data,should be pictureRenderData:" + renderData.getClass());
            return;
        }
        String blipId;
        try {
            byte[] data = pictureRenderData.getData();
            if (null == data) {
                FileInputStream is = new FileInputStream(pictureRenderData.getPath());
                blipId = doc.getXWPFDocument().addPictureData(is, suggestFileType(pictureRenderData.getPath()));
            } else {
                blipId = doc.getXWPFDocument().addPictureData(data, suggestFileType(pictureRenderData.getPath()));
            }
            doc.getXWPFDocument().addPicture(blipId,
                    doc.getXWPFDocument().getNextPicNameNumber(suggestFileType(pictureRenderData.getPath())),
                    pictureRenderData.getWidth(), pictureRenderData.getHeight(), run);
            run.setText("", 0);
        } catch (InvalidFormatException e) {
            e.printStackTrace();
        } catch (FileNotFoundException e) {
            e.printStackTrace();
        }
    }

    private int suggestFileType(String imgFile) {
        int format = 0;

        if (imgFile.endsWith(".emf"))
            format = XWPFDocument.PICTURE_TYPE_EMF;
        else if (imgFile.endsWith(".wmf"))
            format = XWPFDocument.PICTURE_TYPE_WMF;
        else if (imgFile.endsWith(".pict"))
            format = XWPFDocument.PICTURE_TYPE_PICT;
        else if (imgFile.endsWith(".jpeg") || imgFile.endsWith(".jpg"))
            format = XWPFDocument.PICTURE_TYPE_JPEG;
        else if (imgFile.endsWith(".png"))
            format = XWPFDocument.PICTURE_TYPE_PNG;
        else if (imgFile.endsWith(".dib"))
            format = XWPFDocument.PICTURE_TYPE_DIB;
        else if (imgFile.endsWith(".gif"))
            format = XWPFDocument.PICTURE_TYPE_GIF;
        else if (imgFile.endsWith(".tiff"))
            format = XWPFDocument.PICTURE_TYPE_TIFF;
        else if (imgFile.endsWith(".eps"))
            format = XWPFDocument.PICTURE_TYPE_EPS;
        else if (imgFile.endsWith(".bmp"))
            format = XWPFDocument.PICTURE_TYPE_BMP;
        else if (imgFile.endsWith(".wpg"))
            format = XWPFDocument.PICTURE_TYPE_WPG;
        else {
            logger.error("Unsupported picture: " + imgFile
                    + ". Expected emf|wmf|pict|jpeg|png|dib|gif|tiff|eps|bmp|wpg");
        }
        return format;
    }

}