reportdefinitionwriter.java

来自「swing编写的库存管理程序。毕业设计类」· Java 代码 · 共 147 行

/**
 * ========================================
 * JFreeReport : a free Java report library
 * ========================================
 *
 * Project Info:  http://www.jfree.org/jfreereport/index.html
 * Project Lead:  Thomas Morgner;
 *
 * (C) Copyright 2000-2003, by Simba Management Limited and Contributors.
 *
 * This library 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 2.1 of the License, or (at your option) any later version.
 *
 * This library 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
 * library; if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330,
 * Boston, MA 02111-1307, USA.
 *
 * ---------------------------
 * ReportDefinitionWriter.java
 * ---------------------------
 * (C)opyright 2003, by Thomas Morgner and Contributors.
 *
 * Original Author:  Thomas Morgner;
 * Contributor(s):   David Gilbert (for Simba Management Limited);
 *
 * $Id: ReportDefinitionWriter.java,v 1.4 2003/08/25 14:29:33 taqua Exp $
 *
 * Changes
 * -------
 * 21-Feb-2003 : Added standard header and Javadocs (DG);
 *
 */
package org.jfree.report.modules.parser.extwriter;

import java.io.IOException;
import java.io.Writer;

import org.jfree.report.JFreeReport;
import org.jfree.report.modules.parser.base.CommentHandler;
import org.jfree.report.modules.parser.base.CommentHintPath;
import org.jfree.report.modules.parser.ext.ExtParserModuleInit;

/**
 * A report definition writer.
 *
 * @author Thomas Morgner.
 */
public class ReportDefinitionWriter extends AbstractXMLDefinitionWriter
{
  /** The parser hint path used to store comments and other additional information. */
  private static final CommentHintPath ROOT_HINT_PATH =
      new CommentHintPath(ExtParserModuleInit.REPORT_DEFINITION_TAG);

  /**
   * Creates a new writer.
   *
   * @param writer  the report writer.
   */
  public ReportDefinitionWriter(final ReportWriter writer)
  {
    super(writer, 0);
  }

  /**
   * Writes a report definition to a character stream writer.  After the standard XML
   * header and the opening tag is written, this class delegates work to:
   *
   * <ul>
   * <li>{@link org.jfree.report.modules.parser.extwriter.ParserConfigWriter}
   * to write the parser configuration;</li>
   * <li>{@link org.jfree.report.modules.parser.extwriter.ReportConfigWriter}
   * to write the report configuration;</li>
   * <li>{@link org.jfree.report.modules.parser.extwriter.StylesWriter}
   * to write the styles;</li>
   * <li>{@link org.jfree.report.modules.parser.extwriter.TemplatesWriter}
   * to write the templates;</li>
   * <li>{@link org.jfree.report.modules.parser.extwriter.ReportDescriptionWriter}
   * to write the report description;</li>
   * <li>{@link org.jfree.report.modules.parser.extwriter.FunctionsWriter}
   * to write the function definitions;</li>
   * </ul>
   *
   * @param w  the character stream writer.
   *
   * @throws IOException if there is an I/O problem.
   * @throws ReportWriterException if there is a problem writing the report.
   */
  public void write(final Writer w) throws IOException, ReportWriterException
  {
    final JFreeReport report = getReport();
    final String reportName = report.getName();
    w.write("<?xml version=\"1.0\" encoding=\"" + getReportWriter().getEncoding() + "\"?>\n");
    w.write("<!DOCTYPE report-definition PUBLIC \"");
    w.write(ExtParserModuleInit.PUBLIC_ID_EXTENDED);
    w.write("\"\n");
    w.write("                         \"http://jfreereport.sourceforge.net/extreport.dtd\">\n");

    writeComment(w, ROOT_HINT_PATH, CommentHandler.OPEN_TAG_COMMENT);

    if (reportName != null)
    {
      writeTag(w, ExtParserModuleInit.REPORT_DEFINITION_TAG, "name", reportName, OPEN);
    }
    else
    {
      writeTag(w, ExtParserModuleInit.REPORT_DEFINITION_TAG);
    }
    w.write(getLineSeparator());

    final ParserConfigWriter parserConfigWriter =
        new ParserConfigWriter(getReportWriter(), getIndentLevel());
    parserConfigWriter.write(w);

    final ReportConfigWriter reportConfigWriter =
        new ReportConfigWriter(getReportWriter(), getIndentLevel());
    reportConfigWriter.write(w);

    final StylesWriter stylesWriter =
        new StylesWriter(getReportWriter(), getIndentLevel());
    stylesWriter.write(w);

    final TemplatesWriter templatesWriter =
        new TemplatesWriter(getReportWriter(), getIndentLevel());
    templatesWriter.write(w);

    final ReportDescriptionWriter reportDescriptionWriter
        = new ReportDescriptionWriter(getReportWriter(), getIndentLevel());
    reportDescriptionWriter.write(w);

    final FunctionsWriter functionsWriter =
        new FunctionsWriter(getReportWriter(), getIndentLevel());
    functionsWriter.write(w);

    writeComment(w, ROOT_HINT_PATH, CommentHandler.CLOSE_TAG_COMMENT);
    w.write("</report-definition>");

    // todo there may be a comment after the document closing tag ..
    w.write(getLineSeparator());
  }

}