--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.jpackage/share/classes/jdk/jpackage/internal/AppImageFile.java Mon Sep 30 15:13:14 2019 -0400
@@ -0,0 +1,218 @@
+/*
+ * Copyright (c) 2019, Oracle and/or its affiliates. All rights reserved.
+ * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
+ *
+ * This code is free software; you can redistribute it and/or modify it
+ * under the terms of the GNU General Public License version 2 only, as
+ * published by the Free Software Foundation. Oracle designates this
+ * particular file as subject to the "Classpath" exception as provided
+ * by Oracle in the LICENSE file that accompanied this code.
+ *
+ * This code 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 General Public License
+ * version 2 for more details (a copy is included in the LICENSE file that
+ * accompanied this code).
+ *
+ * You should have received a copy of the GNU General Public License version
+ * 2 along with this work; if not, write to the Free Software Foundation,
+ * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
+ * or visit www.oracle.com if you need additional information or have any
+ * questions.
+ */
+package jdk.jpackage.internal;
+
+import java.io.BufferedWriter;
+import java.io.FileInputStream;
+import java.io.FileWriter;
+import java.io.IOException;
+import java.io.Writer;
+import java.nio.file.Path;
+import java.util.ArrayList;
+import java.util.Collections;
+import java.util.List;
+import java.util.ArrayList;
+import java.util.Map;
+import java.util.regex.Matcher;
+import java.util.regex.Pattern;
+import java.util.stream.Collectors;
+import javax.xml.parsers.DocumentBuilder;
+import javax.xml.parsers.DocumentBuilderFactory;
+import javax.xml.parsers.ParserConfigurationException;
+import javax.xml.stream.XMLOutputFactory;
+import javax.xml.stream.XMLStreamException;
+import javax.xml.stream.XMLStreamWriter;
+import javax.xml.xpath.XPath;
+import javax.xml.xpath.XPathConstants;
+import javax.xml.xpath.XPathExpressionException;
+import javax.xml.xpath.XPathFactory;
+import org.w3c.dom.Document;
+import org.w3c.dom.NodeList;
+import org.xml.sax.SAXException;
+
+import static jdk.jpackage.internal.StandardBundlerParam.*;
+
+class AppImageFile {
+
+ // These values will be loaded from AppImage xml file.
+ private final String creatorVersion;
+ private final String creatorPlatform;
+ private final String launcherName;
+ private final List<String> addLauncherNames;
+
+ final static String XML_FILENAME = ".jpackage.xml";
+
+ private final static Map<Platform, String> PLATFORM_LABELS = Map.of(
+ Platform.LINUX, "linux", Platform.WINDOWS, "windows", Platform.MAC,
+ "macOS");
+
+
+ private AppImageFile() {
+ this(null, null, null, null);
+ }
+
+ private AppImageFile(String launcherName, List<String> addLauncherNames,
+ String creatorVersion, String creatorPlatform) {
+ this.launcherName = launcherName;
+ this.addLauncherNames = addLauncherNames;
+ this.creatorVersion = creatorVersion;
+ this.creatorPlatform = creatorPlatform;
+ }
+
+ /**
+ * Would return null to indicate stored command line is invalid.
+ */
+ List<String> getAddLauncherNames() {
+ return addLauncherNames;
+ }
+
+ String getLauncherName() {
+ return launcherName;
+ }
+
+ void verifyCompatible() throws ConfigException {
+ // Just do nohing for now.
+ }
+
+ static void save(Path appImage, Map<String, Object> params)
+ throws IOException {
+ Path xmlFile = appImage.resolve(XML_FILENAME);
+ XMLOutputFactory xmlFactory = XMLOutputFactory.newInstance();
+
+ try (Writer w = new BufferedWriter(new FileWriter(xmlFile.toFile()))) {
+ XMLStreamWriter xml = xmlFactory.createXMLStreamWriter(w);
+
+ xml.writeStartDocument();
+ xml.writeStartElement("jpackage-state");
+ xml.writeAttribute("version", getVersion());
+ xml.writeAttribute("platform", getPlatform());
+
+ xml.writeStartElement("main-launcher");
+ xml.writeCharacters(APP_NAME.fetchFrom(params));
+ xml.writeEndElement();
+
+ List<Map<String, ? super Object>> addLaunchers =
+ ADD_LAUNCHERS.fetchFrom(params);
+
+ for (int i = 0; i < addLaunchers.size(); i++) {
+ Map<String, ? super Object> sl = addLaunchers.get(i);
+ xml.writeStartElement("add-launcher");
+ xml.writeCharacters(APP_NAME.fetchFrom(sl));
+ xml.writeEndElement();
+ }
+
+ xml.writeEndElement();
+ xml.writeEndDocument();
+ xml.flush();
+ xml.close();
+
+ } catch (XMLStreamException ex) {
+ Log.verbose(ex);
+ throw new IOException(ex);
+ }
+ }
+
+ static AppImageFile load(Path appImageDir) throws IOException {
+ try {
+ Path path = appImageDir.resolve(XML_FILENAME);
+ DocumentBuilderFactory dbf =
+ DocumentBuilderFactory.newDefaultInstance();
+ dbf.setFeature(
+ "http://apache.org/xml/features/nonvalidating/load-external-dtd",
+ false);
+ DocumentBuilder b = dbf.newDocumentBuilder();
+ Document doc = b.parse(new FileInputStream(path.toFile()));
+
+ XPath xPath = XPathFactory.newInstance().newXPath();
+
+ String mainLauncher = xpathQueryNullable(xPath,
+ "/jpackage-state/main-launcher/text()", doc);
+ if (mainLauncher == null) {
+ // No main launcher, this is fatal.
+ return new AppImageFile();
+ }
+
+ List<String> addLaunchers = new ArrayList<String>();
+
+ String platform = xpathQueryNullable(xPath,
+ "/jpackage-state/@platform", doc);
+
+ String version = xpathQueryNullable(xPath,
+ "/jpackage-state/@version", doc);
+
+ NodeList launcherNameNodes = (NodeList) xPath.evaluate(
+ "/jpackage-state/add-launcher/text()", doc,
+ XPathConstants.NODESET);
+
+ for (int i = 0; i != launcherNameNodes.getLength(); i++) {
+ addLaunchers.add(launcherNameNodes.item(i).getNodeValue());
+ }
+
+ AppImageFile file = new AppImageFile(
+ mainLauncher, addLaunchers, version, platform);
+ if (!file.isValid()) {
+ file = new AppImageFile();
+ }
+ return file;
+ } catch (ParserConfigurationException | SAXException ex) {
+ // Let caller sort this out
+ throw new IOException(ex);
+ } catch (XPathExpressionException ex) {
+ // This should never happen as XPath expressions should be correct
+ throw new RuntimeException(ex);
+ }
+ }
+
+ private static String xpathQueryNullable(XPath xPath, String xpathExpr,
+ Document xml) throws XPathExpressionException {
+ NodeList nodes = (NodeList) xPath.evaluate(xpathExpr, xml,
+ XPathConstants.NODESET);
+ if (nodes != null && nodes.getLength() > 0) {
+ return nodes.item(0).getNodeValue();
+ }
+ return null;
+ }
+
+ private static String getVersion() {
+ return System.getProperty("java.version");
+ }
+
+ private static String getPlatform() {
+ return PLATFORM_LABELS.get(Platform.getPlatform());
+ }
+
+ private boolean isValid() {
+ if (launcherName == null || launcherName.length() == 0 ||
+ addLauncherNames.indexOf("") != -1) {
+ // Some launchers have empty names. This is invalid.
+ return false;
+ }
+
+ // Add more validation.
+
+ return true;
+ }
+
+}