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Downloaded libraries extracted to temporary folder

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pesckal
2011-06-13 01:00:24 +00:00
parent 38b0064fb5
commit a4641e296f
1 changed files with 124 additions and 47 deletions
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171
app/src/processing/app/LibraryManager.java
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@@ -1,25 +1,25 @@
/* -*- mode: java; c-basic-offset: 2; indent-tabs-mode: nil -*- */
/*
Part of the Processing project - http://processing.org
Part of the Processing project - http://processing.org
Copyright (c) 2004-09 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
Copyright (c) 2004-09 Ben Fry and Casey Reas
Copyright (c) 2001-04 Massachusetts Institute of Technology
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
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 General Public License for more details.
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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software Foundation,
Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*/
package processing.app;
@@ -27,14 +27,10 @@ import java.awt.*;
import java.awt.event.*;
import java.io.*;
import java.net.*;
import java.util.*;
import java.util.zip.*;
import javax.swing.*;
import processing.app.syntax.*;
import processing.core.*;
/**
*
*/
@@ -43,9 +39,11 @@ public class LibraryManager {
JFrame dialog;
JLabel uriLabel;
JTextField libraryUri;
JButton installButton;
// the calling editor, so updates can be applied
Editor editor;
@@ -54,23 +52,26 @@ public class LibraryManager {
// setup dialog for the prefs
//dialog = new JDialog(editor, "Preferences", true);
// dialog = new JDialog(editor, "Preferences", true);
dialog = new JFrame("Library Manager");
dialog.setResizable(true);
Base.setIcon(dialog);
uriLabel = new JLabel("Library URI:");
libraryUri = new JTextField(40);
installButton = new JButton("Install");
ActionListener installLibAction = new ActionListener() {
public void actionPerformed(ActionEvent arg) {
try {
URL url = new URL(libraryUri.getText());
System.out.println("Installing library: " + url);
installLibrary(url);
File libFile = downloadLibrary(url);
if (libFile != null) {
installLibrary(libFile);
}
} catch (MalformedURLException e) {
System.err.println("Malformed URL");
}
@@ -79,47 +80,93 @@ public class LibraryManager {
};
libraryUri.addActionListener(installLibAction);
installButton.addActionListener(installLibAction);
Container pane = dialog.getContentPane();
BoxLayout boxLayout = new BoxLayout(pane, BoxLayout.Y_AXIS);
pane.setLayout(boxLayout);
Box horizontal = Box.createHorizontalBox();
horizontal.add(Box.createVerticalStrut(2));
horizontal.add(uriLabel);
uriLabel.setAlignmentX(Component.LEFT_ALIGNMENT);
horizontal.add(Box.createVerticalStrut(5));
horizontal.add(libraryUri);
horizontal.add(installButton);
pane.add(horizontal);
dialog.pack();
Dimension screen = Toolkit.getDefaultToolkit().getScreenSize();
dialog.setLocation((screen.width - dialog.getWidth()) / 2,
(screen.height - dialog.getHeight()) / 2);
(screen.height - dialog.getHeight()) / 2);
}
protected void installLibrary(URL url) {
/**
* Returns the presumed name of a library by looking at its filename. For
* example,
* "/path/to/helpfullib.zip" -> "helpfullib"
* "helpfullib-0.1.1.plb" -> "helpfullib-0.1.1"
*/
protected static String guessLibraryName(String filePath) {
String[] paths = filePath.split("/");
if (paths.length != 0) {
String fileName = paths[paths.length - 1];
int lastDot = fileName.lastIndexOf(".");
return fileName.substring(0, lastDot);
}
return null;
}
protected File downloadLibrary(URL url) {
try {
String[] paths = url.getFile().split("/");
if (paths.length != 0) {
String fileName = paths[paths.length - 1];
File tmpFolder = Base.createTempFolder(fileName.split("\\.")[0], "library");
String libName = guessLibraryName(url.getFile());
if (libName != null) {
File tmpFolder = Base.createTempFolder(libName, "download");
File libFile = new File(tmpFolder, fileName);
File libFile = new File(tmpFolder, libName + ".plb");
libFile.setWritable(true);
downloadFile(url, libFile);
if (downloadFile(url, libFile)) {
return libFile;
}
}
} catch (IOException e) {
Base.showError("Trouble creating temporary folder",
"Could not create a place to store libraries being downloaded.\n" +
"That's gonna prevent us from continuing.", e);
}
return null;
}
/**
* Installs the given library file to the active sketchbook. The contents of
* the library are extracted to a temporary folder before being moved.
*/
protected void installLibrary(File libFile) {
try {
String libName = guessLibraryName(libFile.getPath());
File tmpFolder = Base.createTempFolder(libName, "uncompressed");
unzip(libFile, tmpFolder);
File[] files = tmpFolder.listFiles();
for (File libraryFolder : files) {
if (libraryFolder.isDirectory()) {
// The folder is possibly a library. Check if it is, and install
// if necessary.
}
}
} catch (IOException e) {
Base.showError("Trouble creating temporary folder",
"Could not create a place to store libary's uncompressed contents.\n"
+ "That's gonna prevent us from continuing.", e);
}
}
/**
* Returns true if the file was successfully downloaded, false otherwise
*/
@@ -128,7 +175,7 @@ public class LibraryManager {
URLConnection urlConn = source.openConnection();
urlConn.setConnectTimeout(1000);
urlConn.setReadTimeout(1000);
// String expectedType1 = "application/x-zip-compressed";
// String expectedType2 = "application/zip";
// String type = urlConn.getContentType();
@@ -138,32 +185,62 @@ public class LibraryManager {
int fileSize = urlConn.getContentLength();
InputStream in = urlConn.getInputStream();
FileOutputStream out = new FileOutputStream(dest);
byte[] b = new byte[256];
int bytesDownloaded = 0, len;
while ((len = in.read(b)) != -1) {
int progress = (int) (100.0 * bytesDownloaded / fileSize );
int progress = (int) (100.0 * bytesDownloaded / fileSize);
// System.out.println("Downloaded " + progress + "%");
out.write(b, 0, len);
bytesDownloaded += len;
}
out.close();
// System.out.println("Done!");
return true;
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
return false;
}
public static void unzip(File zipFile, File dest) {
try {
FileInputStream fis = new FileInputStream(zipFile);
CheckedInputStream checksum = new CheckedInputStream(fis, new Adler32());
ZipInputStream zis = new ZipInputStream(new BufferedInputStream(checksum));
ZipEntry next = null;
while ((next = zis.getNextEntry()) != null) {
File currentFile = new File(dest, next.getName());
if (next.isDirectory()) {
currentFile.mkdir();
} else {
currentFile.createNewFile();
unzipEntry(zis, currentFile);
}
}
} catch (Exception e) {
e.printStackTrace();
}
}
private static void unzipEntry(ZipInputStream zin, File f) throws IOException {
FileOutputStream out = new FileOutputStream(f);
byte[] b = new byte[512];
int len = 0;
while ((len = zin.read(b)) != -1) {
out.write(b, 0, len);
}
out.close();
}
protected void showFrame(Editor editor) {
this.editor = editor;
dialog.setVisible(true);
}
}