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The source code
/*
* Sun Public License Notice
*
* The contents of this file are subject to the Sun Public License
* Version 1.0 (the "License"). You may not use this file except in
* compliance with the License. A copy of the License is available at
* http://www.sun.com/
*
* The Original Code is NetBeans. The Initial Developer of the Original
* Code is Sun Microsystems, Inc. Portions Copyright 1997-2003 Sun
* Microsystems, Inc. All Rights Reserved.
*/
package org.netbeans.modules.autoupdate;
import java.io.IOException;
import java.net.URL;
import java.util.*;
import java.util.jar.Attributes;
import org.openide.modules.Dependency;
import org.openide.modules.ModuleInfo;
import org.openide.modules.SpecificationVersion;
import org.netbeans.core.modules.AutomaticDependencies;
import org.openide.ErrorManager;
import org.openide.filesystems.FileObject;
import org.openide.filesystems.FileStateInvalidException;
import org.openide.filesystems.Repository;
import org.xml.sax.SAXException;
/** A fake module info class initialized from a manifest but not backed by a real JAR.
* Used for purposes of comparisons to real modules and updates and so on.
* @author Jesse Glick
*/
final class DummyModuleInfo extends ModuleInfo {
private static AutomaticDependencies autoDepsHandler = null;
/**
* Roughly copied from NbInstaller.refineDependencies.
* @see "#29577"
*/
private static synchronized AutomaticDependencies getAutoDepsHandler() {
if (autoDepsHandler == null) {
FileObject depsFolder = Repository.getDefault().getDefaultFileSystem().findResource("ModuleAutoDeps"); // NOI18N
if (depsFolder != null) {
FileObject[] kids = depsFolder.getChildren();
List urls = new ArrayList(Math.max(kids.length, 1)); // List
for (int i = 0; i < kids.length; i++) {
if (kids[i].hasExt("xml")) { // NOI18N
try {
urls.add(kids[i].getURL());
} catch (FileStateInvalidException e) {
ErrorManager.getDefault().notify(e);
}
}
}
try {
autoDepsHandler = AutomaticDependencies.parse((URL[])urls.toArray(new URL[urls.size()]));
} catch (IOException e) {
ErrorManager.getDefault().notify(e);
} catch (SAXException e) {
ErrorManager.getDefault().notify(e);
}
}
if (autoDepsHandler == null) {
// Parsing failed, or no files.
autoDepsHandler = AutomaticDependencies.empty();
}
}
return autoDepsHandler;
}
private final Attributes attr;
private final Set deps; // Set
private final String[] provides;
/** Create a new fake module based on manifest.
* Only main attributes need be presented, so
* only pass these.
*/
public DummyModuleInfo(Attributes attr) throws IllegalArgumentException {
this.attr = attr;
if (getCodeName() == null) throw new IllegalArgumentException();
String cnb = getCodeNameBase();
try {
getSpecificationVersion();
} catch (NumberFormatException nfe) {
throw new IllegalArgumentException(nfe.toString() + " from " + cnb); // NOI18N
}
deps = parseDeps(attr, cnb);
getAutoDepsHandler().refineDependencies(cnb, deps); // #29577
String providesS = attr.getValue("OpenIDE-Module-Provides"); // NOI18N
if (providesS == null) {
provides = new String[0];
} else {
StringTokenizer tok = new StringTokenizer(providesS, ", "); // NOI18N
provides = new String[tok.countTokens()];
for (int i = 0; i < provides.length; i++) {
provides[i] = tok.nextToken();
}
}
// XXX could do more error checking but this is probably plenty
}
public boolean isEnabled() {
return false;
}
public SpecificationVersion getSpecificationVersion() {
String sv = attr.getValue("OpenIDE-Module-Specification-Version"); // NOI18N
return (sv == null ? null : new SpecificationVersion(sv));
}
public String getCodeName() {
return attr.getValue("OpenIDE-Module"); // NOI18N
}
public int getCodeNameRelease() {
String s = getCodeName();
int idx = s.lastIndexOf('/'); // NOI18N
if (idx == -1) {
return -1;
} else {
return Integer.parseInt(s.substring(idx + 1));
}
}
public String getCodeNameBase() {
String s = getCodeName();
int idx = s.lastIndexOf('/'); // NOI18N
if (idx == -1) {
return s;
} else {
return s.substring(0, idx);
}
}
public Object getLocalizedAttribute(String a) {
return attr.getValue(a);
}
public Object getAttribute(String a) {
return attr.getValue(a);
}
/** Get a list of all dependencies this module has. */
public Set getDependencies() {
return deps;
}
private final static Set parseDeps(Attributes attr, String cnb) throws IllegalArgumentException {
Set s = new HashSet(); // Set
s.addAll(Dependency.create(Dependency.TYPE_MODULE, attr.getValue("OpenIDE-Module-Module-Dependencies"))); // NOI18N
s.addAll(Dependency.create(Dependency.TYPE_PACKAGE, attr.getValue("OpenIDE-Module-Package-Dependencies"))); // NOI18N
s.addAll(Dependency.create(Dependency.TYPE_IDE, attr.getValue("OpenIDE-Module-IDE-Dependencies"))); // NOI18N
s.addAll(Dependency.create(Dependency.TYPE_JAVA, attr.getValue("OpenIDE-Module-Java-Dependencies"))); // NOI18N
s.addAll(Dependency.create(Dependency.TYPE_REQUIRES, attr.getValue("OpenIDE-Module-Requires"))); // NOI18N
// #24143: treat API dependencies as dependencies on pseudomodule org.openide
Iterator it = s.iterator();
SpecificationVersion api = null;
String impl = null;
String major = null;
while (it.hasNext()) {
Dependency dep = (Dependency)it.next();
if (dep.getType() == Dependency.TYPE_IDE) {
if (dep.getComparison() == Dependency.COMPARE_SPEC) {
if (api != null) {
throw new IllegalArgumentException("Duplicate OpenIDE-Module-IDE-Dependencies found!"); // NOI18N
}
api = new SpecificationVersion(dep.getVersion());
} else {
// Must be impl comparison.
if (impl != null) {
throw new IllegalArgumentException("Duplicate OpenIDE-Module-IDE-Dependencies found!"); // NOI18N
}
impl = dep.getVersion();
}
String name = dep.getName();
int index = name.lastIndexOf('/');
String newmajor;
if (index == -1) {
newmajor = ""; // NOI18N
} else {
newmajor = name.substring(index);
}
if (major != null && !major.equals(newmajor)) {
throw new IllegalArgumentException("Clashing OpenIDE-Module-IDE-Dependencies found!"); // NOI18N
}
major = newmajor;
it.remove();
}
}
if (api != null) {
s.addAll(Dependency.create(Dependency.TYPE_MODULE, "org.openide" + major + " > " + api)); // NOI18N
}
if (impl != null) {
s.addAll(Dependency.create(Dependency.TYPE_MODULE, "org.openide" + major + " = " + impl)); // NOI18N
}
if (api == null && impl == null) {
// All modules implicitly depend on openide.
// Needed for #29577.
s.addAll(Dependency.create(Dependency.TYPE_MODULE, "org.openide/1 > 0")); // NOI18N
}
return s;
}
public boolean owns(Class clazz) {
return false;
}
public String[] getProvides() {
return provides;
}
}
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