/*
* #%L
* Bio-Formats Plugins for ImageJ: a collection of ImageJ plugins including the
* Bio-Formats Importer, Bio-Formats Exporter, Bio-Formats Macro Extensions,
* Data Browser and Stack Slicer.
* %%
* Copyright (C) 2006 - 2015 Open Microscopy Environment:
* - Board of Regents of the University of Wisconsin-Madison
* - Glencoe Software, Inc.
* - University of Dundee
* %%
* 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.
*
* You should have received a copy of the GNU General Public
* License along with this program. If not, see
* <http://www.gnu.org/licenses/gpl-2.0.html>.
* #L%
*/
package loci.plugins.config;
import java.io.File;
import java.io.PrintWriter;
import java.net.URLDecoder;
import java.util.HashMap;
import loci.common.Constants;
/**
* A list entry for the configuration window's Libraries tab.
*
* @author Curtis Rueden ctrueden at wisc.edu
*/
public class LibraryEntry implements Comparable<Object> {
// -- Constants --
/** Version code to indicate a missing library. */
public static final String MISSING_VERSION_CODE = "!";
/** HTML markup for installed library. */
private static final String PRESENT = "";
/** HTML markup for missing library. */
private static final String MISSING = "<font color=\"7f7f7f\"><i>";
// -- Fields --
protected String name;
protected String type;
protected String libClass;
protected String url;
protected String license;
protected String notes;
protected String status;
protected String version;
protected String path;
// -- Constructor --
public LibraryEntry(PrintWriter log, HashMap<String, String> props) {
this(log,
props.get("name"),
props.get("type"),
props.get("class"),
props.get("version"),
props.get("url"),
props.get("license"),
props.get("notes"));
}
public LibraryEntry(PrintWriter log, String name, String type,
String libClass, String version, String url, String license, String notes)
{
this.name = name;
this.type = type;
this.libClass = libClass;
this.url = url;
this.license = license;
this.notes = notes;
// check library status
try {
Class<?> c = Class.forName(libClass);
if (version == null) {
// try to detect version from the package
version = "";
if (c != null) {
Package p = c.getPackage();
if (p != null) {
String pVendor = p.getImplementationVendor();
String pVersion = p.getImplementationVersion();
if (pVendor != null && pVersion != null) {
version = pVersion + " (" + pVendor + ")";
}
else if (pVersion != null) version = pVersion;
else if (pVendor != null) version = pVendor;
}
}
}
else if (version.equals(MISSING_VERSION_CODE)) {
// we know a priori that this library is not properly installed
version = null;
throw new ClassNotFoundException();
}
this.version = version;
// get resource containing the class
String className = libClass.substring(libClass.lastIndexOf(".") + 1);
path = c.getResource(className + ".class").toString();
path = path.replaceAll("^jar:", "");
path = path.replaceAll("^file:", "");
path = path.replaceAll("^/*/", "/");
path = path.replaceAll("^/([A-Z]:)", "$1");
path = path.replaceAll("!.*", "");
path = URLDecoder.decode(path, Constants.ENCODING);
String slash = File.separator;
if (slash.equals("\\")) slash = "\\\\";
path = path.replaceAll("/", slash);
log.println("Found library " + name + ":");
if (!"".equals(version)) log.println(" Version = " + version);
log.println(" Path = " + path);
}
catch (Throwable t) {
if (t instanceof ClassNotFoundException) {
log.println("No library " + name + ".");
}
else {
log.println("Error communicating with library " + name + ":");
t.printStackTrace(log);
}
}
status = version == null ? "Missing" : "Installed";
}
// -- Comparable API methods --
@Override
public int compareTo(Object o) {
LibraryEntry entry = (LibraryEntry) o;
return name.compareTo(entry.name);
}
// -- Object API methods --
@Override
public String toString() {
String markup = version == null ? MISSING : PRESENT;
return "<html>" + markup + name;
}
}