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iText, a free Java-PDF library
/*
* $Id: RtfDocumentHeader.java 3580 2008-08-06 15:52:00Z howard_s $
*
* Copyright 2003, 2004 by Mark Hall
*
* The contents of this file are subject to the Mozilla Public License Version 1.1
* (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.mozilla.org/MPL/
*
* Software distributed under the License is distributed on an "AS IS" basis,
* WITHOUT WARRANTY OF ANY KIND, either express or implied. See the License
* for the specific language governing rights and limitations under the License.
*
* The Original Code is 'iText, a free JAVA-PDF library'.
*
* The Initial Developer of the Original Code is Bruno Lowagie. Portions created by
* the Initial Developer are Copyright (C) 1999, 2000, 2001, 2002 by Bruno Lowagie.
* All Rights Reserved.
* Co-Developer of the code is Paulo Soares. Portions created by the Co-Developer
* are Copyright (C) 2000, 2001, 2002 by Paulo Soares. All Rights Reserved.
*
* Contributor(s): all the names of the contributors are added in the source code
* where applicable.
*
* Alternatively, the contents of this file may be used under the terms of the
* LGPL license (the ?GNU LIBRARY GENERAL PUBLIC LICENSE?), in which case the
* provisions of LGPL are applicable instead of those above. If you wish to
* allow use of your version of this file only under the terms of the LGPL
* License and not to allow others to use your version of this file under
* the MPL, indicate your decision by deleting the provisions above and
* replace them with the notice and other provisions required by the LGPL.
* If you do not delete the provisions above, a recipient may use your version
* of this file under either the MPL or the GNU LIBRARY GENERAL PUBLIC LICENSE.
*
* This library is free software; you can redistribute it and/or modify it
* under the terms of the MPL as stated above or under the terms of the GNU
* Library General Public License as published by the Free Software Foundation;
* either version 2 of the License, or 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 Library general Public License for more
* details.
*
* If you didn't download this code from the following link, you should check if
* you aren't using an obsolete version:
* http://www.lowagie.com/iText/
*/
package com.lowagie.text.rtf.document;
import java.io.IOException;
import java.io.OutputStream;
import com.lowagie.text.DocWriter;
import com.lowagie.text.HeaderFooter;
import com.lowagie.text.rtf.RtfElement;
import com.lowagie.text.rtf.document.output.RtfNilOutputStream;
import com.lowagie.text.rtf.headerfooter.RtfHeaderFooter;
import com.lowagie.text.rtf.headerfooter.RtfHeaderFooterGroup;
import com.lowagie.text.rtf.list.RtfList;
import com.lowagie.text.rtf.list.RtfListTable;
import com.lowagie.text.rtf.style.RtfColor;
import com.lowagie.text.rtf.style.RtfColorList;
import com.lowagie.text.rtf.style.RtfFont;
import com.lowagie.text.rtf.style.RtfFontList;
import com.lowagie.text.rtf.style.RtfParagraphStyle;
import com.lowagie.text.rtf.style.RtfStylesheetList;
/**
* The RtfDocumentHeader contains all classes required for the generation of
* the document header area.
*
* @version $Id: RtfDocumentHeader.java 3580 2008-08-06 15:52:00Z howard_s $
* @author Mark Hall ([email protected])
* @author Thomas Bickel ([email protected])
* @author Howard Shank ([email protected])
*/
public class RtfDocumentHeader extends RtfElement {
/**
* Constant for the title page
*/
private static final byte[] TITLE_PAGE = DocWriter.getISOBytes("\\titlepg");
/**
* Constant for facing pages
*/
private static final byte[] FACING_PAGES = DocWriter.getISOBytes("\\facingp");
/**
* The code page to use
*/
private RtfCodePage codePage = null;
/**
* Stores all the colors used in the document
*/
private RtfColorList colorList = null;
/**
* Stores all the fonts used in the document
*/
private RtfFontList fontList = null;
/**
* Manages List tables
*/
private RtfListTable listTable = null;
/**
* Stores all paragraph styles used in the document.
*/
private RtfStylesheetList stylesheetList = null;
/**
* Generator string in document
*/
private RtfGenerator generator = null;
/**
* The information group with author/subject/keywords/title/producer/creationdate data
*/
private RtfInfoGroup infoGroup = null;
/**
* The protection settings
* Author: Howard Shank ([email protected])
* @since 2.1.1
*/
private RtfProtectionSetting protectionSetting = null;
/**
* The page settings
*/
private RtfPageSetting pageSetting = null;
/**
* The current RtfHeaderFooterGroup for the header
*/
private HeaderFooter header = null;
/**
* The current RtfHeaderFooterGroup for the footer
*/
private HeaderFooter footer = null;
/**
* Constructs a RtfDocumentHeader for a RtfDocument
*
* @param doc The RtfDocument this RtfDocumentHeader belongs to
*/
protected RtfDocumentHeader(RtfDocument doc) {
super(doc);
}
/**
* initializes the RtfDocumentHeader.
*/
protected void init() {
this.codePage = new RtfCodePage(this.document);
this.colorList = new RtfColorList(this.document);
this.fontList = new RtfFontList(this.document);
this.listTable = new RtfListTable(this.document);
this.stylesheetList = new RtfStylesheetList(this.document);
this.infoGroup = new RtfInfoGroup(this.document);
this.protectionSetting = new RtfProtectionSetting(this.document);
this.pageSetting = new RtfPageSetting(this.document);
this.header = new RtfHeaderFooterGroup(this.document, RtfHeaderFooter.TYPE_HEADER);
this.footer = new RtfHeaderFooterGroup(this.document, RtfHeaderFooter.TYPE_FOOTER);
this.generator = new RtfGenerator(this.document);
}
/**
* Writes the contents of the document header area.
*/
public void writeContent(final OutputStream result) throws IOException
{
try {
// This is so that all color, font and similar information is processed once, before
// the header section is written.
writeSectionDefinition(new RtfNilOutputStream());
this.codePage.writeDefinition(result);
this.fontList.writeDefinition(result);
this.colorList.writeDefinition(result);
this.stylesheetList.writeDefinition(result);
this.listTable.writeDefinition(result);
this.generator.writeContent(result);
this.infoGroup.writeContent(result);
this.protectionSetting.writeDefinition(result);
this.pageSetting.writeDefinition(result);
writeSectionDefinition(result);
} catch(IOException ioe) {
ioe.printStackTrace();
}
}
/**
* Writes the section definition data
* @param result
*/
public void writeSectionDefinition(final OutputStream result)
{
try {
RtfHeaderFooterGroup header = convertHeaderFooter(this.header, RtfHeaderFooter.TYPE_HEADER);
RtfHeaderFooterGroup footer = convertHeaderFooter(this.footer, RtfHeaderFooter.TYPE_FOOTER);
if(header.hasTitlePage() || footer.hasTitlePage()) {
result.write(TITLE_PAGE);
header.setHasTitlePage();
footer.setHasTitlePage();
}
if(header.hasFacingPages() || footer.hasFacingPages()) {
result.write(FACING_PAGES);
header.setHasFacingPages();
footer.setHasFacingPages();
}
footer.writeContent(result);
header.writeContent(result);
pageSetting.writeSectionDefinition(result);
} catch(IOException ioe) {
ioe.printStackTrace();
}
}
/**
* Gets the number of the specified RtfFont
*
* @param font The RtfFont for which to get the number
* @return The number of the font
*/
public int getFontNumber(RtfFont font) {
return this.fontList.getFontNumber(font);
}
/**
* Gets the number of the specified RtfColor
*
* @param color The RtfColor for which to get the number
* @return The number of the color
*/
public int getColorNumber(RtfColor color) {
return this.colorList.getColorNumber(color);
}
/**
* Gets the number of the specified RtfList
*
* @param list The RtfList for which to get the number
* @return The number of the list
*/
public int getListNumber(RtfList list) {
return this.listTable.getListNumber(list);
}
/**
* Gets the RtfParagraphStyle with the given style name.
*
* @param styleName The style name of the RtfParagraphStyle to get.
* @return The RtfParagraphStyle with the given style name or null.
*/
public RtfParagraphStyle getRtfParagraphStyle(String styleName) {
return this.stylesheetList.getRtfParagraphStyle(styleName);
}
/**
* Removes a RtfList from the list table
*
* @param list The RtfList to remove
*/
public void freeListNumber(RtfList list) {
this.listTable.freeListNumber(list);
}
/**
* Gets the RtfPageSetting object of this RtfDocument
*
* @return The RtfPageSetting object
*/
public RtfPageSetting getPageSetting() {
return this.pageSetting;
}
/**
* Adds an RtfInfoElement to the list of RtfInfoElements
*
* @param rtfInfoElement The RtfInfoElement to add
*/
public void addInfoElement(RtfInfoElement rtfInfoElement) {
this.infoGroup.add(rtfInfoElement);
}
/**
* Sets the current header to use
*
* @param header The HeaderFooter to use as header
*/
public void setHeader(HeaderFooter header) {
this.header = header;
}
/**
* Sets the current footer to use
*
* @param footer The HeaderFooter to use as footer
*/
public void setFooter(HeaderFooter footer) {
this.footer = footer;
}
/**
* Registers the RtfParagraphStyle for further use in the document.
*
* @param rtfParagraphStyle The RtfParagraphStyle to register.
*/
public void registerParagraphStyle(RtfParagraphStyle rtfParagraphStyle) {
this.stylesheetList.registerParagraphStyle(rtfParagraphStyle);
}
/**
* Converts a HeaderFooter into a RtfHeaderFooterGroup. Depending on which class
* the HeaderFooter is, the correct RtfHeaderFooterGroup is created.
*
* @param hf The HeaderFooter to convert.
* @param type Whether the conversion is being done on a footer or header
* @return The converted RtfHeaderFooterGroup.
* @see com.lowagie.text.rtf.headerfooter.RtfHeaderFooter
* @see com.lowagie.text.rtf.headerfooter.RtfHeaderFooterGroup
*/
private RtfHeaderFooterGroup convertHeaderFooter(HeaderFooter hf, int type) {
if(hf != null) {
if(hf instanceof RtfHeaderFooterGroup) {
return new RtfHeaderFooterGroup(this.document, (RtfHeaderFooterGroup) hf, type);
} else if(hf instanceof RtfHeaderFooter) {
return new RtfHeaderFooterGroup(this.document, (RtfHeaderFooter) hf, type);
} else {
return new RtfHeaderFooterGroup(this.document, hf, type);
}
} else {
return new RtfHeaderFooterGroup(this.document, type);
}
}
/**
* Get the RtfListTable object.
*
* @return the ListTable object.
* @since 2.1.3
*/
public RtfListTable getListTable() {
return this.listTable;
}
}