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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 {
private static final String URL = "http://wsr.imagej.net";
private String notes;
public void run(String arg) {
if (arg.equals("menus")) {
updateMenus();
return;
}
if (IJ.getApplet()!=null)
return;
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.log("Updater (jar loc): "+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();
error(msg);
return;
}
String[] list = openUrlAsList(URL+"/jars/list.txt");
if (list==null || list.length==0) {
error("Error opening "+URL+"/jars/list.txt");
return;
}
int count = list.length + 2;
String[] versions = new String[count];
String[] urls = new String[count];
versions[0] = list[0];
urls[0] = URL+"/jars/ij.jar";
for (int i=1; i<count-2; i++) {
String version = list[i];
versions[i] = version.substring(0,version.length()-1); // remove letter
urls[i] = URL+"/jars/ij"+version.substring(1,2)+version.substring(3,6)+".jar";
}
versions[count-2] = "daily build";
urls[count-2] = URL+"/download/daily-build/ij.jar";
versions[count-1] = "previous";
urls[count-1] = URL+"/jars/ij2.jar";
//for (int i=0; i<count; i++)
// IJ.log(i+" "+versions[i]+" "+urls[i]);
int choice = showDialog(versions);
if (choice==-1 || !Commands.closeAll())
return;
byte[] jar = null;
jar = getJar(urls[choice]);
if (jar==null) {
error("Unable to download ij.jar from "+urls[choice]);
return;
}
Prefs.savePreferences();
saveJar(file, jar);
if (choice<count-2) // 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 2");
gd.addChoice("Upgrade To:", versions, versions[0]);
String msg =
"You are currently running v"+ImageJ.VERSION+ImageJ.BUILD+".\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 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;
try {
URL url = new URL(address);
IJ.showStatus("Connecting to "+IJ.URL);
URLConnection uc = url.openConnection();
int len = uc.getContentLength();
if (IJ.debugMode) IJ.log("Updater (url): "+ address + " "+ len);
if (len<=0)
return null;
String name = address.contains("daily")?"daily build (":"ij.jar (";
IJ.showStatus("Downloading "+ name + 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;
IJ.showProgress(n, len);
}
in.close();
} catch (IOException e) {
if (IJ.debugMode) IJ.log(""+e);
return null;
}
if (IJ.debugMode) IJ.wait(6000);
return data;
}
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) {
IJ.showStatus("Connecting to "+IJ.URL);
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);
IJ.showStatus("");
return lines;
}
void error(String msg) {
IJ.error("ImageJ Updater", msg);
}
void updateMenus() {
if (IJ.debugMode) {
long start = System.currentTimeMillis();
Menus.updateImageJMenus();
IJ.log("Refresh Menus: "+(System.currentTimeMillis()-start)+" ms");
} else
Menus.updateImageJMenus();
}
}
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