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ImageJ_Updater |
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package ij.plugin;
import ij.*;
import ij.gui.*;
import ij.util.Tools;
import java.io.*;
import java.net.*;
import java.util.*;
import java.lang.reflect.*;
/** This plugin implements the Help/Update ImageJ command. */
public class ImageJ_Updater implements PlugIn {
public void run(String arg) {
if (arg.equals("menus"))
{updateMenus(); return;}
if (IJ.getApplet()!=null) return;
//File file = new File(Prefs.getHomeDir() + File.separator + "ij.jar");
//if (isMac() && !file.exists())
// file = new File(Prefs.getHomeDir() + File.separator + "ImageJ.app/Contents/Resources/Java/ij.jar");
URL url = getClass().getResource("/ij/IJ.class");
String ij_jar = url == null ? null : url.toString().replaceAll("%20", " ");
if (ij_jar==null || !ij_jar.startsWith("jar:file:")) {
error("Could not determine location of ij.jar");
return;
}
int exclamation = ij_jar.indexOf('!');
ij_jar = ij_jar.substring(9, exclamation);
if (IJ.debugMode) IJ.write("Updater: "+ij_jar);
File file = new File(ij_jar);
if (!file.exists()) {
error("File not found: "+file.getPath());
return;
}
if (!file.canWrite()) {
String msg = "No write access: "+file.getPath();
if (IJ.isVista()) msg += Prefs.vistaHint;
error(msg);
return;
}
String[] list = openUrlAsList(IJ.URL+"/download/jars/list.txt");
int count = list.length + 2;
String[] versions = new String[count];
String[] urls = new String[count];
String uv = getUpgradeVersion();
if (uv==null) return;
versions[0] = "v"+uv;
urls[0] = IJ.URL+"/upgrade/ij.jar";
if (versions[0]==null) return;
for (int i=1; i<count-1; i++) {
String version = list[i-1];
versions[i] = version.substring(0,version.length()-1); // remove letter
urls[i] = IJ.URL+"/download/jars/ij"
+version.substring(1,2)+version.substring(3,6)+".jar";
}
versions[count-1] = "daily build";
urls[count-1] = IJ.URL+"/ij.jar";
int choice = showDialog(versions);
if (choice==-1) return;
if (!versions[choice].startsWith("daily") && versions[choice].compareTo("v1.39")<0
&& Menus.getCommands().get("ImageJ Updater")==null) {
String msg = "This command is not available in versions of ImageJ prior\n"+
"to 1.39 so you will need to install the plugin version at\n"+
"<"+IJ.URL+"/plugins/imagej-updater.html>.";
if (!IJ.showMessageWithCancel("Update ImageJ", msg))
return;
}
byte[] jar = getJar(urls[choice]);
//file.renameTo(new File(file.getParent()+File.separator+"ij.bak"));
if (version().compareTo("1.37v")>=0)
Prefs.savePreferences();
// if (!renameJar(file)) return; // doesn't work on Vista
saveJar(file, jar);
if (choice<count-1) // force macro Function Finder to download fresh list
new File(IJ.getDirectory("macros")+"functions.html").delete();
System.exit(0);
}
int showDialog(String[] versions) {
GenericDialog gd = new GenericDialog("ImageJ Updater");
gd.addChoice("Upgrade To:", versions, versions[0]);
String msg =
"You are currently running v"+version()+".\n"+
" \n"+
"If you click \"OK\", ImageJ will quit\n"+
"and you will be running the upgraded\n"+
"version after you restart ImageJ.\n";
gd.addMessage(msg);
gd.showDialog();
if (gd.wasCanceled())
return -1;
else
return gd.getNextChoiceIndex();
}
String getUpgradeVersion() {
String url = IJ.URL+"/notes.html";
String notes = openUrlAsString(url, 20);
if (notes==null) {
error("Unable to connect to "+IJ.URL+". You\n"
+"may need to use the Edit>Options>Proxy Settings\n"
+"command to configure ImageJ to use a proxy server.");
return null;
}
int index = notes.indexOf("Version ");
if (index==-1) {
error("Release notes are not in the expected format");
return null;
}
String version = notes.substring(index+8, index+13);
return version;
}
String openUrlAsString(String address, int maxLines) {
StringBuffer sb;
try {
URL url = new URL(address);
InputStream in = url.openStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
sb = new StringBuffer();
int count = 0;
String line;
while ((line=br.readLine())!=null && count++<maxLines)
sb.append (line + "\n");
in.close ();
} catch (IOException e) {sb = null;}
return sb!=null?new String(sb):null;
}
byte[] getJar(String address) {
byte[] data;
boolean gte133 = version().compareTo("1.33u")>=0;
try {
URL url = new URL(address);
URLConnection uc = url.openConnection();
int len = uc.getContentLength();
String name = address.endsWith("ij/ij.jar")?"daily build":"ij.jar";
IJ.showStatus("Downloading ij.jar ("+IJ.d2s((double)len/1048576,1)+"MB)");
InputStream in = uc.getInputStream();
data = new byte[len];
int n = 0;
while (n < len) {
int count = in.read(data, n, len - n);
if (count<0)
throw new EOFException();
n += count;
if (gte133) IJ.showProgress(n, len);
}
in.close();
} catch (IOException e) {
return null;
}
return data;
}
/*Changes the name of ij.jar to ij-old.jar
boolean renameJar(File f) {
File backup = new File(Prefs.getHomeDir() + File.separator + "ij-old.jar");
if (backup.exists()) {
if (!backup.delete()) {
error("Unable to delete backup: "+backup.getPath());
return false;
}
}
if (!f.renameTo(backup)) {
error("Unable to rename to ij-old.jar: "+f.getPath());
return false;
}
return true;
}
*/
void saveJar(File f, byte[] data) {
try {
FileOutputStream out = new FileOutputStream(f);
out.write(data, 0, data.length);
out.close();
} catch (IOException e) {
}
}
String[] openUrlAsList(String address) {
Vector v = new Vector();
try {
URL url = new URL(address);
InputStream in = url.openStream();
BufferedReader br = new BufferedReader(new InputStreamReader(in));
String line;
while (true) {
line = br.readLine();
if (line==null) break;
if (!line.equals("")) v.addElement(line);
}
br.close();
} catch(Exception e) { }
String[] lines = new String[v.size()];
v.copyInto((String[])lines);
return lines;
}
// Use reflection to get version since early versions
// of ImageJ do not have the IJ.getVersion() method.
String version() {
String version = "";
try {
Class ijClass = ImageJ.class;
Field field = ijClass.getField("VERSION");
version = (String)field.get(ijClass);
}catch (Exception ex) {}
return version;
}
boolean isMac() {
String osname = System.getProperty("os.name");
return osname.startsWith("Mac");
}
void error(String msg) {
IJ.error("ImageJ Updater", msg);
}
void updateMenus() {
if (IJ.debugMode) {
long start = System.currentTimeMillis();
Menus.updateImageJMenus();
IJ.log("Update Menus: "+(System.currentTimeMillis()-start)+" ms");
} else
Menus.updateImageJMenus();
}
}
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ImageJ_Updater |
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