org.apache.fop.tools.fontlist.FontListMain Maven / Gradle / Ivy
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Tool to convert CSV and XLS to XML, to transform XML and to convert XML to CSV, HTML, other text files, PDF etc., useful as command line tool and integrated in other projects.
/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You 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.
*/
/* $Id: FontListMain.java 1618496 2014-08-17 18:56:01Z gadams $ */
package org.apache.fop.tools.fontlist;
import java.io.File;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.OutputStream;
import java.io.PrintStream;
import java.net.URI;
import java.net.URL;
import java.util.Iterator;
import java.util.List;
import java.util.Map;
import java.util.SortedMap;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerConfigurationException;
import javax.xml.transform.sax.SAXResult;
import javax.xml.transform.sax.SAXTransformerFactory;
import javax.xml.transform.sax.TransformerHandler;
import javax.xml.transform.stream.StreamResult;
import javax.xml.transform.stream.StreamSource;
import org.xml.sax.ContentHandler;
import org.xml.sax.SAXException;
import org.apache.commons.io.FilenameUtils;
import org.apache.commons.io.IOUtils;
import org.apache.fop.Version;
import org.apache.fop.apps.FOPException;
import org.apache.fop.apps.Fop;
import org.apache.fop.apps.FopFactory;
import org.apache.fop.apps.MimeConstants;
import org.apache.fop.fonts.FontEventListener;
import org.apache.fop.fonts.FontTriplet;
import org.apache.fop.util.GenerationHelperContentHandler;
/**
* Command-line application to list available fonts and to optionally produce sample pages
* with those fonts.
*/
public final class FontListMain {
private static final int GENERATE_CONSOLE = 0;
private static final int GENERATE_XML = 1;
private static final int GENERATE_FO = 2;
private static final int GENERATE_RENDERED = 3;
private FopFactory fopFactory;
private boolean verbose;
private File configFile;
private File outputFile;
private String configMime = MimeConstants.MIME_PDF;
private String outputMime;
private int mode = GENERATE_CONSOLE;
private String singleFamilyFilter;
private FontListMain() throws SAXException, IOException {
}
private void prepare() throws SAXException, IOException {
if (this.configFile != null) {
fopFactory = FopFactory.newInstance(configFile);
} else {
fopFactory = FopFactory.newInstance(new File(".").toURI());
}
}
private ContentHandler getFOPContentHandler(OutputStream out) throws FOPException {
Fop fop = fopFactory.newFop(this.outputMime, out);
return fop.getDefaultHandler();
}
private void generateXML(SortedMap fontFamilies, File outFile, String singleFamily)
throws TransformerConfigurationException, SAXException, IOException {
SAXTransformerFactory tFactory = (SAXTransformerFactory)SAXTransformerFactory.newInstance();
TransformerHandler handler;
if (this.mode == GENERATE_XML) {
handler = tFactory.newTransformerHandler();
} else {
URL url = getClass().getResource("fonts2fo.xsl");
if (url == null) {
throw new FileNotFoundException("Did not find resource: fonts2fo.xsl");
}
handler = tFactory.newTransformerHandler(new StreamSource(url.toExternalForm()));
}
if (singleFamily != null) {
Transformer transformer = handler.getTransformer();
transformer.setParameter("single-family", singleFamily);
}
OutputStream out = new java.io.FileOutputStream(outFile);
out = new java.io.BufferedOutputStream(out);
if (this.mode == GENERATE_RENDERED) {
handler.setResult(new SAXResult(getFOPContentHandler(out)));
} else {
handler.setResult(new StreamResult(out));
}
try {
GenerationHelperContentHandler helper = new GenerationHelperContentHandler(
handler, null, null);
FontListSerializer serializer = new FontListSerializer();
serializer.generateSAX(fontFamilies, singleFamily, helper);
} finally {
IOUtils.closeQuietly(out);
}
}
private void generate() throws Exception {
prepare();
FontEventListener listener = new FontEventListener() {
public void fontLoadingErrorAtAutoDetection(Object source,
String fontURL, Exception e) {
System.err.println("Could not load " + fontURL
+ " (" + e.getLocalizedMessage() + ")");
}
public void fontSubstituted(Object source,
FontTriplet requested, FontTriplet effective) {
//ignore
}
public void glyphNotAvailable(Object source, char ch, String fontName) {
//ignore
}
public void fontDirectoryNotFound(Object source, String msg) {
//ignore
}
public void svgTextStrokedAsShapes(Object source, String fontFamily) {
// ignore
}
};
FontListGenerator listGenerator = new FontListGenerator();
SortedMap fontFamilies = listGenerator.listFonts(fopFactory, configMime, listener);
if (this.mode == GENERATE_CONSOLE) {
writeToConsole(fontFamilies);
} else {
writeOutput(fontFamilies);
}
}
private void writeToConsole(SortedMap fontFamilies)
throws TransformerConfigurationException, SAXException, IOException {
Iterator iter = fontFamilies.entrySet().iterator();
StringBuffer sb = new StringBuffer();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry)iter.next();
String firstFamilyName = (String)entry.getKey();
sb.append(firstFamilyName);
sb.append(':');
sb.append('\n');
List list = (List)entry.getValue();
Iterator fonts = list.iterator();
while (fonts.hasNext()) {
FontSpec f = (FontSpec)fonts.next();
sb.append(" ");
sb.append(f.getKey());
sb.append(' ');
sb.append(f.getFamilyNames());
if (verbose) {
URI uri = f.getFontMetrics().getFontURI();
if (uri != null) {
sb.append(' ');
sb.append('(');
sb.append(uri.toString());
sb.append(')');
}
}
sb.append('\n');
Iterator triplets = f.getTriplets().iterator();
while (triplets.hasNext()) {
FontTriplet triplet = (FontTriplet)triplets.next();
sb.append(" ");
sb.append(triplet.toString());
sb.append('\n');
}
}
}
System.out.print(sb.toString());
System.out.flush();
}
private void writeOutput(SortedMap fontFamilies)
throws TransformerConfigurationException, SAXException, IOException {
if (this.outputFile.isDirectory()) {
System.out.println("Creating one file for each family...");
Iterator iter = fontFamilies.entrySet().iterator();
while (iter.hasNext()) {
Map.Entry entry = (Map.Entry)iter.next();
String familyName = (String)entry.getKey();
System.out.println("Creating output file for " + familyName + "...");
String filename;
switch(this.mode) {
case GENERATE_RENDERED:
filename = familyName + ".pdf";
break;
case GENERATE_FO:
filename = familyName + ".fo";
break;
case GENERATE_XML:
filename = familyName + ".xml";
break;
default:
throw new IllegalStateException("Unsupported mode");
}
File outFile = new File(this.outputFile, filename);
generateXML(fontFamilies, outFile, familyName);
}
} else {
System.out.println("Creating output file...");
generateXML(fontFamilies, this.outputFile, this.singleFamilyFilter);
}
System.out.println(this.outputFile + " written.");
}
private static void printVersion() {
System.out.println("Apache FOP " + Version.getVersion()
+ " - http://xmlgraphics.apache.org/fop/\n");
}
private static void printHelp() {
printVersion();
String className = FontListMain.class.getName();
PrintStream out = System.out;
out.println("USAGE");
out.println(" java [vmargs] " + className
+ "[-v] [-c ] [-f ] [[output-dir|output-file] [font-family]]");
out.println();
out.println("PARAMETERS");
out.println(" config-file: an optional FOP configuration file");
out.println(" mime: The MIME type of the output format for which to");
out.println(" create the font list (defaults to application/pdf)");
out.println(" output-dir: Creates one sample PDF per font-family");
out.println(" output-file: writes the list as file (valid file extensions: xml, fo, pdf)");
out.println(" font-family: filters to a single font family");
out.println();
out.println("EXAMPLE");
out.println(" java [vmargs] " + className
+ " -c userconfig.xml all-fonts.pdf");
out.println(" --> this generates a single PDF containing a sample");
out.println(" of all configured fonts.");
out.println(" java [vmargs] " + className
+ " -c userconfig.xml");
out.println(" --> this prints all configured fonts to the console.");
out.println();
}
private void parseArguments(String[] args) {
if (args.length > 0) {
int idx = 0;
if ("--help".equals(args[idx]) || "-?".equals(args[idx]) || "-h".equals(args[idx])) {
printHelp();
// @SuppressFBWarnings("DM_EXIT")
System.exit(0);
}
if ("-v".equals(args[idx])) {
verbose = true;
idx += 1;
}
if (idx < args.length - 1 && "-c".equals(args[idx])) {
String filename = args[idx + 1];
this.configFile = new File(filename);
idx += 2;
}
if (idx < args.length - 1 && "-f".equals(args[idx])) {
this.configMime = args[idx + 1];
idx += 2;
}
if (idx < args.length) {
String name = args[idx];
this.outputFile = new File(name);
if (this.outputFile.isDirectory()) {
this.mode = GENERATE_RENDERED;
this.outputMime = MimeConstants.MIME_PDF;
} else if (FilenameUtils.getExtension(name).equalsIgnoreCase("pdf")) {
this.mode = GENERATE_RENDERED;
this.outputMime = MimeConstants.MIME_PDF;
} else if (FilenameUtils.getExtension(name).equalsIgnoreCase("fo")) {
this.mode = GENERATE_FO;
} else if (FilenameUtils.getExtension(name).equalsIgnoreCase("xml")) {
this.mode = GENERATE_XML;
} else {
throw new IllegalArgumentException(
"Operating mode for the output file cannot be determined"
+ " or is unsupported: " + name);
}
idx++;
}
if (idx < args.length) {
this.singleFamilyFilter = args[idx];
}
} else {
System.out.println("use --help or -? for usage information.");
}
}
/**
* The command-line interface.
* @param args the command-line arguments
*/
public static void main(String[] args) {
try {
FontListMain app = new FontListMain();
app.parseArguments(args);
app.generate();
} catch (Throwable t) {
printHelp();
t.printStackTrace();
System.exit(-1);
}
}
}