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/*
* 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.
*/
package org.apache.tuscany.sca.diagram.main;
import java.io.File;
import java.io.FileWriter;
import java.io.StringWriter;
import javax.xml.parsers.DocumentBuilder;
import javax.xml.parsers.DocumentBuilderFactory;
import javax.xml.transform.Transformer;
import javax.xml.transform.TransformerFactory;
import javax.xml.transform.dom.DOMSource;
import javax.xml.transform.stream.StreamResult;
import org.apache.commons.cli.CommandLine;
import org.apache.commons.cli.CommandLineParser;
import org.apache.commons.cli.HelpFormatter;
import org.apache.commons.cli.Option;
import org.apache.commons.cli.Options;
import org.apache.commons.cli.ParseException;
import org.apache.commons.cli.PosixParser;
import org.apache.tuscany.sca.diagram.generator.DiagramGenerator;
import org.apache.tuscany.sca.diagram.html.HTMLWrapper;
import org.apache.tuscany.sca.diagram.layout.CompositeEntity;
import org.apache.tuscany.sca.diagram.layout.EntityBuilder;
import org.w3c.dom.Document;
public class Main {
static Options getCommandLineOptions() {
Options options = new Options();
Option opt1 = new Option("s", "svg", false, "Generate SVG diagrams");
options.addOption(opt1);
Option opt2 = new Option("h", "html", false, "Generate HTML documents");
options.addOption(opt2);
Option opt3 = new Option("o", "output", true, "Output directory");
options.addOption(opt3);
return options;
}
/**
* @param args
* @throws Exception
*/
public static void main(String[] args) throws Exception {
CommandLineParser parser = new PosixParser();
Options options = getCommandLineOptions();
CommandLine cli = null;
boolean help = false;
try {
cli = parser.parse(options, args);
if (cli.getArgList().size() == 0) {
help = true;
}
} catch (ParseException e) {
System.out.println(e);
help = true;
}
// Print out the options and quit
if (help) {
HelpFormatter formatter = new HelpFormatter();
formatter.printHelp("<-h> <-s> <-o outputDirectory> file1 file2 ...: ", options);
return;
}
boolean isHtml = false;
boolean isSvg = false;
isSvg = cli.hasOption('s');
isHtml = cli.hasOption('h');
if (!isSvg && !isHtml) {
isSvg = true;
isHtml = true;
}
String outFileDir;
if (cli.hasOption('o')) {
outFileDir = cli.getOptionValue('o');
} else {
outFileDir = ".";
}
File dir = new File(outFileDir);
String[] compositeFiles = cli.getArgs();
generate(dir, isSvg, isHtml, compositeFiles);
}
public static void generate(File dir, boolean isSvg, boolean isHtml, String... compositeFiles) throws Exception {
DocumentBuilderFactory dbf = DocumentBuilderFactory.newInstance();
for (String str : compositeFiles) {
if (str != null) {
DocumentBuilder db = dbf.newDocumentBuilder();
Document doc = db.parse(str);
EntityBuilder eb = new EntityBuilder(doc);
CompositeEntity comp = eb.buildCompositeEntity();
DiagramGenerator dg = new DiagramGenerator(comp, isHtml);
Document svg = dg.buildSVGDocument();
String svgContent = extractSvg(svg);
if (isSvg) {
writeSVG(dir, svgContent, comp);
}
if (isHtml) {
writeHTML(dir, svgContent, comp);
}
}
}
}
private static void writeHTML(File dir, String svg, CompositeEntity comp) throws Exception {
File htmlFile = new File(dir, comp.getName() + comp.getFileNameSuffix() + ".html");
HTMLWrapper html = new HTMLWrapper(svg, comp.getName(), htmlFile);
String content = html.buildHTML();
System.err.println("--------------HTML Output for " + comp.getName() + "--------------\n");
System.out.println(content);
System.err.println("--------------------------------------------------------------\n");
}
private static File writeSVG(File dir, String svg, CompositeEntity comp) throws Exception {
String svgFileName = comp.getName() + comp.getFileNameSuffix() + ".svg";
File svgFile = new File(dir, svgFileName);
FileWriter fw = new FileWriter(svgFile);
fw.write(svg);
fw.close();
return svgFile;
}
private static String extractSvg(Document svg) throws Exception {
// Set up the output transformer
TransformerFactory transfac = TransformerFactory.newInstance();
Transformer trans = transfac.newTransformer();
// Print the DOM node
StringWriter sw = new StringWriter();
StreamResult result = new StreamResult(sw);
DOMSource source = new DOMSource(svg);
trans.transform(source, result);
String svgString = sw.toString();
return svgString;
}
}
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