/* * $Id: Annotation.java,v 1.44 2002/07/09 10:41:33 blowagie Exp $ * $Name:  $ * * Copyright 1999, 2000, 2001, 2002 by Bruno Lowagie. * * 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;import java.net.URL;import java.util.HashMap;import java.util.ArrayList;import java.util.Properties;import java.util.Set;/** * An <CODE>Annotation</CODE> is a little note that can be added to a page * on a document. * * @see		Element * @see		Anchor */public class Annotation implements Element, MarkupAttributes {        // membervariables    /** This is a possible annotation type. */    public static final int TEXT = 0;    /** This is a possible annotation type. */    public static final int URL_NET = 1;    /** This is a possible annotation type. */    public static final int URL_AS_STRING = 2;    /** This is a possible annotation type. */    public static final int FILE_DEST = 3;    /** This is a possible annotation type. */    public static final int FILE_PAGE = 4;    /** This is a possible annotation type. */    public static final int NAMED_DEST = 5;    /** This is a possible annotation type. */    public static final int LAUNCH = 6;    /** This is a possible attribute. */    public static String TITLE = "title";/** This is a possible attribute. */    public static String CONTENT = "content";/** This is a possible attribute. */    public static String URL = "url";/** This is a possible attribute. */    public static String FILE = "file";/** This is a possible attribute. */    public static String DESTINATION = "destination";/** This is a possible attribute. */    public static String PAGE = "page";/** This is a possible attribute. */    public static String NAMED = "named";/** This is a possible attribute. */    public static String APPLICATION = "application";/** This is a possible attribute. */    public static String PARAMETERS = "parameters";/** This is a possible attribute. */    public static String OPERATION = "operation";/** This is a possible attribute. */    public static String DEFAULTDIR = "defaultdir";/** This is a possible attribute. */    public static String LLX = "llx";/** This is a possible attribute. */    public static String LLY = "lly";/** This is a possible attribute. */    public static String URX = "urx";/** This is a possible attribute. */    public static String URY = "ury";    /** This is the type of annotation. */    protected int annotationtype;    /** This is the title of the <CODE>Annotation</CODE>. */    protected HashMap annotationAttributes = new HashMap();/** Contains extra markupAttributes */    protected Properties markupAttributes = null;    /** This is the lower left x-value */    protected float llx = Float.NaN;/** This is the lower left y-value */    protected float lly = Float.NaN;/** This is the upper right x-value */    protected float urx = Float.NaN;/** This is the upper right y-value */    protected float ury = Float.NaN;        // constructors    /** * Constructs an <CODE>Annotation</CODE> with a certain title and some text. */        private Annotation(float llx, float lly, float urx, float ury) {        this.llx = llx;        this.lly = lly;        this.urx = urx;        this.ury = ury;    }    /** * Constructs an <CODE>Annotation</CODE> with a certain title and some text. * * @param	title	the title of the annotation * @param	text	the content of the annotation */        public Annotation(String title, String text) {        annotationtype = TEXT;        annotationAttributes.put(TITLE, title);        annotationAttributes.put(CONTENT, text);    }    /** * Constructs an <CODE>Annotation</CODE> with a certain title and some text. * * @param	title	the title of the annotation * @param	text	the content of the annotation * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value */        public Annotation(String title, String text, float llx, float lly, float urx, float ury) {        this(llx, lly, urx, ury);        annotationtype = TEXT;        annotationAttributes.put(TITLE, title);        annotationAttributes.put(CONTENT, text);    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       url     the external reference */        public Annotation(float llx, float lly, float urx, float ury, URL url) {        this(llx, lly, urx, ury);        annotationtype = URL_NET;        annotationAttributes.put(URL, url);    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       url     the external reference */        public Annotation(float llx, float lly, float urx, float ury, String url) {        this(llx, lly, urx, ury);        annotationtype = URL_AS_STRING;        annotationAttributes.put(FILE, url);    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       file    an external PDF file * @param       dest    the destination in this file */        public Annotation(float llx, float lly, float urx, float ury, String file, String dest) {        this(llx, lly, urx, ury);        annotationtype = FILE_DEST;        annotationAttributes.put(FILE, file);        annotationAttributes.put(DESTINATION, dest);    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       file    an external PDF file * @param       page    a page number in this file */        public Annotation(float llx, float lly, float urx, float ury, String file, int page) {        this(llx, lly, urx, ury);        annotationtype = FILE_PAGE;        annotationAttributes.put(FILE, file);        annotationAttributes.put(PAGE, new Integer(page));    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       named   a named destination in this file */        public Annotation(float llx, float lly, float urx, float ury, int named) {        this(llx, lly, urx, ury);        annotationtype = NAMED_DEST;        annotationAttributes.put(NAMED, new Integer(named));    }    /** * Constructs an <CODE>Annotation</CODE>. * * @param       llx     the lower left x-value * @param       lly     the lower left y-value * @param       urx     the upper right x-value * @param       ury     the upper right y-value * @param       application     an external application * @param       parameters      parameters to pass to this application * @param       operation       the operation to pass to this application * @param       defaultdir      the default directory to run this application in */        public Annotation(float llx, float lly, float urx, float ury, String application, String parameters, String operation, String defaultdir) {        this(llx, lly, urx, ury);        annotationtype = LAUNCH;        annotationAttributes.put(APPLICATION, application);        annotationAttributes.put(PARAMETERS, parameters);        annotationAttributes.put(OPERATION, operation);        annotationAttributes.put(DEFAULTDIR, defaultdir);    }    /** * Returns an <CODE>Annotation</CODE> that has been constructed taking in account * the value of some <VAR>attributes</VAR>. * * @param	attributes		Some attributes */        public Annotation(Properties attributes) {        String value = (String)attributes.remove(ElementTags.LLX);        if (value != null) {            llx = Float.valueOf(value + "f").floatValue();        }        value = (String)attributes.remove(ElementTags.LLY);        if (value != null) {