org.squashtest.tm.api.report.spring.view.docxtemplater.DocxTemplaterDocxView.java Source code

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Here is the source code for org.squashtest.tm.api.report.spring.view.docxtemplater.DocxTemplaterDocxView.java

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/**
 *     This file is part of the Squashtest platform.
 *     Copyright (C) 2010 - 2016 Henix, henix.fr
 *
 *     See the NOTICE file distributed with this work for additional
 *     information regarding copyright ownership.
 *
 *     This is free software: you can redistribute it and/or modify
 *     it under the terms of the GNU Lesser General Public License as published by
 *     the Free Software Foundation, either version 3 of the License, or
 *     (at your option) any later version.
 *
 *     this software is distributed in the hope that it will be useful,
 *     but WITHOUT ANY WARRANTY; without even the implied warranty of
 *     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *     GNU Lesser General Public License for more details.
 *
 *     You should have received a copy of the GNU Lesser General Public License
 *     along with this software.  If not, see <http://www.gnu.org/licenses/>.
 */
package org.squashtest.tm.api.report.spring.view.docxtemplater;

import java.io.InputStream;
import java.util.Map;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;

import org.apache.commons.io.IOUtils;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.core.io.Resource;
import org.springframework.util.Assert;
import org.springframework.web.servlet.view.AbstractView;

public class DocxTemplaterDocxView extends AbstractView {

    private String[] templatePath = new String[0];

    private static final Logger LOGGER = LoggerFactory.getLogger(DocxTemplaterDocxView.class);

    public void setTemplatePath(String... templatePath) {
        if (templatePath != null) {
            this.templatePath = new String[templatePath.length];
            for (int i = 0; i < templatePath.length; i++) {
                String basename = templatePath[i];
                Assert.hasText(basename, "templatePath must not be empty");
                this.templatePath[i] = basename.trim();
            }
        } else {
            this.templatePath = new String[0];
        }
    }

    @Override
    protected boolean generatesDownloadContent() {
        return true;
    };

    @Override
    protected void renderMergedOutputModel(Map<String, Object> model, HttpServletRequest request,
            HttpServletResponse response) throws Exception {

        for (String aTemplatePath : templatePath) {
            Resource resource = getApplicationContext().getResource(aTemplatePath);
            try {
                InputStream inputStream = resource.getInputStream();
                response.setContentType("application/octet-stream");
                response.setHeader("Content-Disposition", "attachment; filename=" + resource.getFilename());
                IOUtils.copy(inputStream, response.getOutputStream());
                response.flushBuffer();
                inputStream.close();
                break;
            } catch (Exception e) {
                LOGGER.debug("file don't exist" + resource.getFilename());
            }

        }
    }
}