com.safetys.framework.jmesa.view.pdfp.PdfPViewExporter.java Source code

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Here is the source code for com.safetys.framework.jmesa.view.pdfp.PdfPViewExporter.java

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/*
 * Copyright 2004 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.safetys.framework.jmesa.view.pdfp;

import java.io.ByteArrayOutputStream;

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

import com.safetys.framework.jmesa.view.AbstractViewExporter;

import com.lowagie.text.pdf.PdfWriter;
import com.safetys.framework.jmesa.core.CoreContext;
import com.safetys.framework.jmesa.view.View;

/**
 * A PDF view that uses the iText PdfPTable.
 *
 * @since 2.3.4
 * @author Ismail Seyfi
 */
public class PdfPViewExporter extends AbstractViewExporter {
    private HttpServletRequest request;

    public PdfPViewExporter(View view, CoreContext coreContext, HttpServletRequest request,
            HttpServletResponse response) {
        super(view, coreContext, response);
        this.request = request;
    }

    public PdfPViewExporter(View view, CoreContext coreContext, HttpServletRequest request,
            HttpServletResponse response, String fileName) {
        super(view, coreContext, response, fileName);
        this.request = request;
    }

    public void export() throws Exception {
        com.lowagie.text.Document document = new com.lowagie.text.Document();
        ByteArrayOutputStream baos = new ByteArrayOutputStream();
        PdfWriter.getInstance(document, baos);
        document.open();
        PdfPView pdfView = (PdfPView) getView();
        document.add(pdfView.getTableCaption());
        document.add(pdfView.render());
        document.close();
        HttpServletResponse response = getResponse();
        responseHeaders(response);
        ServletOutputStream out = response.getOutputStream();
        baos.writeTo(out);
        out.flush();
    }

    public String getContextType() {
        return "application/pdf";
    }

    public String getExtensionName() {
        return "pdf";
    }

    protected HttpServletRequest getRequest() {
        return request;
    }
}