[vassalengine-svn-trunk] [vassalengine-svn] SF.net SVN: vassalengine: [1704] VASSAL-src/trunk/VASSAL/launch/ InstallWizard.java

[<rod...@us...>]

Revision: 1704
          http://svn.sourceforge.net/vassalengine/?rev=1704&view=rev
Author:   rodneykinney
Date:     2007-02-06 21:59:39 -0800 (Tue, 06 Feb 2007)

Log Message:
-----------
Install wizard continued

Modified Paths:
--------------
    VASSAL-src/trunk/VASSAL/launch/InstallWizard.java

Modified: VASSAL-src/trunk/VASSAL/launch/InstallWizard.java
===================================================================
--- VASSAL-src/trunk/VASSAL/launch/InstallWizard.java	2007-02-07 04:02:51 UTC (rev 1703)
+++ VASSAL-src/trunk/VASSAL/launch/InstallWizard.java	2007-02-07 05:59:39 UTC (rev 1704)
@@ -21,10 +21,15 @@
 import java.awt.event.ActionEvent;
 import java.awt.event.ActionListener;
 import java.io.File;
+import java.io.FileOutputStream;
 import java.io.FileWriter;
 import java.io.IOException;
+import java.io.InputStream;
 import java.io.Writer;
 import java.net.URL;
+import java.util.ArrayList;
+import java.util.Iterator;
+import java.util.List;
 import javax.swing.Box;
 import javax.swing.JButton;
 import javax.swing.JDialog;
@@ -50,13 +55,17 @@
 import org.xml.sax.SAXException;
 
 /**
+ * Walks the user through a wizard interface. The user may choose between an auto-updating (networked jnlp) or purely
+ * local installation (jnlp on local filesystem) installations, and can also select the particular version of VASSAL to install
+ * 
  * @author rkinney
  */
 public class InstallWizard {
   private File installDir;
+  private String installFileName;
   private String jnlpURL;
   private String maxHeap;
-  private File launchFile;
+  private Installer installer;
 
   public void startWizard() {
     chooseVersion();
@@ -64,6 +73,8 @@
 
   public void chooseVersion() {
     jnlpURL = "http://www.vassalengine.org/ws/vassal.jnlp";
+    installFileName = "vassal.jnlp";
+    installer = new LocalInstaller();
     chooseHeapSize();
   }
 
@@ -74,74 +85,22 @@
 
   public void tryInstall() {
     try {
-      doInstall();
-      JOptionPane.showMessageDialog(null, "Installation successful.\nTo get started, double-click on " + launchFile);
+      installer.doInstall();
+      JOptionPane.showMessageDialog(null, "Installation successful.\nTo get started, double-click on " + new File(installDir, installFileName));
+      System.exit(0);
     }
     catch (IOException e) {
+      e.printStackTrace();
       JOptionPane.showMessageDialog(null, "Installation failed:  " + e.getMessage());
       System.exit(1);
     }
     catch (RuntimeException e) {
+      e.printStackTrace();
       JOptionPane.showMessageDialog(null, "Installation failed:  " + e.getMessage());
       System.exit(1);
     }
   }
 
-  public void doInstall() throws IOException {
-    if (installDir == null) {
-      throw new IOException("Installation directory not specified");
-    }
-    if (installDir.exists() && !installDir.isDirectory()) {
-      throw new IOException(installDir + " is not a directory");
-    }
-    if (!installDir.exists() && !installDir.mkdir()) {
-      throw new IOException("Unable to create " + installDir);
-    }
-    Document doc = getJNLPDoc();
-    NodeList l = doc.getElementsByTagName("j2se");
-    if (l.getLength() != 1) {
-      throw new IOException("Badly formed jnlp file at " + jnlpURL);
-    }
-    Element el = (Element) l.item(0);
-    el.setAttribute("max-heap-size", maxHeap);
-    launchFile = new File(installDir, "vassal.jnlp");
-    Writer writer = new FileWriter(launchFile);
-    try {
-      Source source = new DOMSource(doc);
-      // Prepare the output file
-      Result result = new StreamResult(writer);
-      // Write the DOM document to the file
-      Transformer xformer = TransformerFactory.newInstance().newTransformer();
-      xformer.setOutputProperty(OutputKeys.INDENT, "yes");
-      xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
-      xformer.transform(source, result);
-    }
-    catch (TransformerException e) {
-      throw new IOException(e.getMessage());
-    }
-    catch (TransformerFactoryConfigurationError e) {
-      throw new IOException(e.getMessage());
-    }
-    writer.close();
-  }
-
-  public Document getJNLPDoc() throws IOException {
-    Document d;
-    try {
-      d = javax.xml.parsers.DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(new URL(jnlpURL).openStream());
-    }
-    catch (SAXException e) {
-      throw new IOException("SAXException:  " + e.getMessage());
-    }
-    catch (ParserConfigurationException e) {
-      throw new IOException("ParserConfigurationException:  " + e.getMessage());
-    }
-    catch (FactoryConfigurationError e) {
-      throw new IOException("FactoryConfigurationError:  " + e.getMessage());
-    }
-    return d;
-  }
-
   public static void main(String[] args) {
     InstallWizard wiz = new InstallWizard();
     wiz.startWizard();
@@ -172,6 +131,11 @@
       super();
       Box hBox = Box.createHorizontalBox();
       hBox.add(tf);
+      tf.addActionListener(new ActionListener() {
+        public void actionPerformed(ActionEvent e) {
+          next();
+        }
+      });
       hBox.add(select);
       select.addActionListener(new ActionListener() {
         public void actionPerformed(ActionEvent e) {
@@ -206,4 +170,140 @@
       tryInstall();
     }
   }
+  private static interface Installer {
+    public void doInstall() throws IOException;
+  }
+  private class JnlpInstaller implements Installer {
+    public void doInstall() throws IOException {
+      checkParameters();
+      Document doc = getJNLPDoc(new URL(jnlpURL));
+      modifyDocument(doc);
+      writeDocument(doc, new File(installDir, installFileName));
+    }
+
+    protected void writeDocument(Document doc, File file) throws IOException {
+      Writer writer = new FileWriter(file);
+      try {
+        Source source = new DOMSource(doc);
+        // Prepare the output file
+        Result result = new StreamResult(writer);
+        // Write the DOM document to the file
+        Transformer xformer = TransformerFactory.newInstance().newTransformer();
+        xformer.setOutputProperty(OutputKeys.INDENT, "yes");
+        xformer.setOutputProperty("{http://xml.apache.org/xslt}indent-amount", "4");
+        xformer.transform(source, result);
+      }
+      catch (TransformerException e) {
+        throw new IOException(e.getMessage());
+      }
+      catch (TransformerFactoryConfigurationError e) {
+        throw new IOException(e.getMessage());
+      }
+      writer.close();
+    }
+
+    protected void modifyDocument(Document doc) throws IOException {
+      NodeList l = doc.getElementsByTagName("j2se");
+      if (l.getLength() == 1) {
+        Element el = (Element) l.item(0);
+        el.setAttribute("max-heap-size", maxHeap);
+      }
+    }
+
+    protected void checkParameters() throws IOException {
+      if (installDir == null) {
+        throw new IOException("Installation directory not specified");
+      }
+      if (installDir.exists() && !installDir.isDirectory()) {
+        throw new IOException(installDir + " is not a directory");
+      }
+      if (!installDir.exists() && !installDir.mkdir()) {
+        throw new IOException("Unable to create " + installDir);
+      }
+      if (installFileName == null) {
+        throw new IOException("No installation file specified");
+      }
+    }
+
+    public Document getJNLPDoc(URL url) throws IOException {
+      Document d;
+      try {
+        d = javax.xml.parsers.DocumentBuilderFactory.newInstance().newDocumentBuilder().parse(url.openStream());
+      }
+      catch (SAXException e) {
+        throw new IOException("SAXException:  " + e.getMessage());
+      }
+      catch (ParserConfigurationException e) {
+        throw new IOException("ParserConfigurationException:  " + e.getMessage());
+      }
+      catch (FactoryConfigurationError e) {
+        throw new IOException("FactoryConfigurationError:  " + e.getMessage());
+      }
+      return d;
+    }
+  }
+  private class LocalInstaller extends JnlpInstaller {
+    private List resources = new ArrayList();
+
+    protected void modifyDocument(Document doc) throws IOException {
+      extractResources(doc);
+      super.modifyDocument(doc);
+      doc.getDocumentElement().setAttribute("codebase", installDir.toURL().toString());
+    }
+
+    private void extractResources(Document doc) throws IOException {
+      String codebase = doc.getDocumentElement().getAttribute("codebase");
+      URL base = null;
+      if (codebase != null) {
+        if (!codebase.endsWith("/")) {
+          codebase += "/";
+        }
+        base = new URL(codebase);
+      }
+      NodeList jars = doc.getElementsByTagName("jar");
+      for (int i = 0, n = jars.getLength(); i < n; ++i) {
+        Element el = (Element) jars.item(i);
+        String version = el.getAttribute("version");
+        String url = version == null || version.length() == 0 ? el.getAttribute("href") : el.getAttribute("href") + "?version-id=" + version;
+        URL resource = base == null ? new URL(url) : new URL(base, url);
+        el.setAttribute("version", "");
+        resources.add(resource);
+      }
+      NodeList l = doc.getElementsByTagName("extension");
+      for (int i = 0, n = l.getLength(); i < n; ++i) {
+        Element el = (Element) l.item(i);
+        String url = el.getAttribute("href");
+        URL extURL = base == null ? new URL(url) : new URL(base, url);
+        Document extensionDoc = getJNLPDoc(extURL);
+        modifyDocument(extensionDoc);
+        String path = extURL.getPath();
+        path = path.substring(path.lastIndexOf('/') + 1);
+        writeDocument(extensionDoc, new File(installDir, path));
+      }
+    }
+
+    protected void writeDocument(Document doc, File file) throws IOException {
+      super.writeDocument(doc, file);
+      for (Iterator it = resources.iterator(); it.hasNext();) {
+        URL resource = (URL) it.next();
+        downloadResource(resource);
+      }
+    }
+
+    private void downloadResource(URL resource) throws IOException {
+      byte[] buffer = new byte[100000];
+      int readCount = 0;
+      String path = resource.getPath();
+      path = path.substring(path.lastIndexOf('/') + 1);
+      File local = new File(installDir, path);
+      FileOutputStream out = new FileOutputStream(local);
+      InputStream in = resource.openStream();
+      while ((readCount = in.read(buffer)) > 0) {
+        out.write(buffer, 0, readCount);
+      }
+      out.close();
+    }
+  }
+  private class AutoUpdateInstaller extends JnlpInstaller {
+  }
 }


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