com.itextpdf.tool.xml.css.CssFilesImpl Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of xmlworker Show documentation
Show all versions of xmlworker Show documentation
Parses XML to PDF, with CSS support, using iText
/*
*
* This file is part of the iText (R) project.
Copyright (c) 1998-2019 iText Group NV
* Ackermann, et al.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU Affero General Public License version 3
* as published by the Free Software Foundation with the addition of the
* following permission added to Section 15 as permitted in Section 7(a):
* FOR ANY PART OF THE COVERED WORK IN WHICH THE COPYRIGHT IS OWNED BY
* ITEXT GROUP. ITEXT GROUP DISCLAIMS THE WARRANTY OF NON INFRINGEMENT
* OF THIRD PARTY RIGHTS.
*
* This program 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 Affero General Public License for more
* details. You should have received a copy of the GNU Affero General Public License along with this program; if not,
* see http://www.gnu.org/licenses or write to the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA, 02110-1301 USA, or download the license from the following URL: http://itextpdf.com/terms-of-use/
*
* The interactive user interfaces in modified source and object code versions of this program must display Appropriate
* Legal Notices, as required under Section 5 of the GNU Affero General Public License.
*
* In accordance with Section 7(b) of the GNU Affero General Public License, a covered work must retain the producer
* line in every PDF that is created or manipulated using iText.
*
* You can be released from the requirements of the license by purchasing a commercial license. Buying such a license is
* mandatory as soon as you develop commercial activities involving the iText software without disclosing the source
* code of your own applications. These activities include: offering paid services to customers as an ASP, serving PDFs
* on the fly in a web application, shipping iText with a closed source product.
*
* For more information, please contact iText Software Corp. at this address: [email protected]
*/
package com.itextpdf.tool.xml.css;
import com.itextpdf.tool.xml.Tag;
import java.util.*;
import java.util.Map.Entry;
/**
* @author itextpdf.com
*
*/
public class CssFilesImpl implements CssFiles {
private final List files;
private final CssUtils utils;
/**
* Constructs a new CssFilesImpl.
*/
public CssFilesImpl() {
this.files = new ArrayList();
this.utils = CssUtils.getInstance();
}
/**
* Construct a new CssFilesImpl with the given css file.
* @param css the css file
*/
public CssFilesImpl(final CssFile css) {
this();
this.add(css);
}
/*
* (non-Javadoc)
*
* @see com.itextpdf.tool.xml.css.CssFiles#hasFiles()
*/
public boolean hasFiles() {
return !this.files.isEmpty();
}
/**
* Processes a tag and retrieves CSS. Selectors created:
*
* - element
* - element>element (and a spaced version element > element)
* - #id
* - .class
* - element+element ( and a spaced version element + element)
*
*/
public Map getCSS(final Tag t) {
Map aggregatedProps = new LinkedHashMap();
populateCss(t, aggregatedProps);
return aggregatedProps;
}
public void populateCss(final Tag t, final Map aggregatedProps) {
List rules = new ArrayList();
for (CssFile cssFile: this.files) {
rules.addAll(cssFile.get(t));
}
Collections.sort(rules);
for (CssRule rule: rules)
populateOneCss(aggregatedProps, rule.getNormalDeclarations());
for (CssRule rule: rules)
populateOneCss(aggregatedProps, rule.getImportantDeclarations());
}
public void populateOneCss(final Map aggregatedProps, final Map cssDeclaration) {
Map css = new LinkedHashMap();
for (Entry e : cssDeclaration.entrySet()) {
String key = utils.stripDoubleSpacesTrimAndToLowerCase(e.getKey());
String value = utils.stripDoubleSpacesAndTrim(e.getValue());
if (CSS.Property.BORDER.equalsIgnoreCase(key)) {
css.putAll(utils.parseBorder(value));
} else if (CSS.Property.BORDER_TOP.equalsIgnoreCase(key)) {
css.putAll(utils.parseBorder(value, CSS.Property.BORDER_TOP));
} else if (CSS.Property.BORDER_BOTTOM.equalsIgnoreCase(key)) {
css.putAll(utils.parseBorder(value, CSS.Property.BORDER_BOTTOM));
} else if (CSS.Property.BORDER_LEFT.equalsIgnoreCase(key)) {
css.putAll(utils.parseBorder(value, CSS.Property.BORDER_LEFT));
} else if (CSS.Property.BORDER_RIGHT.equalsIgnoreCase(key)) {
css.putAll(utils.parseBorder(value, CSS.Property.BORDER_RIGHT));
} else if (CSS.Property.MARGIN.equalsIgnoreCase(key)) {
Map margins = utils.parseBoxValues(value, "margin-", "");
for (String marginKey : margins.keySet()) {
if (!css.containsKey(marginKey)) {
css.put(marginKey, margins.get(marginKey));
}
}
} else if (CSS.Property.BORDER_WIDTH.equalsIgnoreCase(key)) {
css.putAll(utils.parseBoxValues(value, "border-", "-width"));
} else if (CSS.Property.BORDER_STYLE.equalsIgnoreCase(key)) {
css.putAll(utils.parseBoxValues(value, "border-", "-style"));
} else if (CSS.Property.BORDER_COLOR.equalsIgnoreCase(key)) {
css.putAll(utils.parseBoxValues(value, "border-", "-color"));
} else if (CSS.Property.PADDING.equalsIgnoreCase(key)) {
Map paddings = utils.parseBoxValues(value, "padding-", "");
for (String paddingKey : paddings.keySet()) {
if (!css.containsKey(paddingKey)) {
css.put(paddingKey, paddings.get(paddingKey));
}
}
//css.putAll(utils.parseBoxValues(value, "padding-", ""));
} else if (CSS.Property.FONT.equalsIgnoreCase(key)) {
css.putAll(utils.processFont(value));
} else if (CSS.Property.LIST_STYLE.equalsIgnoreCase(key)) {
css.putAll(utils.processListStyle(value));
} else if (key.toLowerCase().contains(CSS.Property.BACKGROUND)) {
Map backgroundStyles = utils.processBackground(value);
for (String backgroundKey : backgroundStyles.keySet()) {
if (!css.containsKey(backgroundKey)) {
css.put(backgroundKey, backgroundStyles.get(backgroundKey));
}
}
} else {
css.put(key, value);
}
}
aggregatedProps.putAll(css);
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.css.CssFiles#addFile(com.itextpdf.tool.xml.css.CssFile)
*/
public void add(final CssFile css) {
if (css != null) {
this.files.add(css);
}
}
/* (non-Javadoc)
* @see com.itextpdf.tool.xml.css.CssFiles#clear()
*/
public void clear() {
Iterator iterator = files.iterator();
while(iterator.hasNext()) {
CssFile next = iterator.next();
if (!next.isPersistent()) {
iterator.remove();
}
}
}
}