com.sun.enterprise.tools.verifier.hk2.PackageAnalyser Maven / Gradle / Ivy
/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2007-2015 Oracle and/or its affiliates. All rights reserved.
*
* The contents of this file are subject to the terms of either the GNU
* General Public License Version 2 only ("GPL") or the Common Development
* and Distribution License("CDDL") (collectively, the "License"). You
* may not use this file except in compliance with the License. You can
* obtain a copy of the License at
* https://glassfish.dev.java.net/public/CDDL+GPL_1_1.html
* or packager/legal/LICENSE.txt. See the License for the specific
* language governing permissions and limitations under the License.
*
* When distributing the software, include this License Header Notice in each
* file and include the License file at packager/legal/LICENSE.txt.
*
* GPL Classpath Exception:
* Oracle designates this particular file as subject to the "Classpath"
* exception as provided by Oracle in the GPL Version 2 section of the License
* file that accompanied this code.
*
* Modifications:
* If applicable, add the following below the License Header, with the fields
* enclosed by brackets [] replaced by your own identifying information:
* "Portions Copyright [year] [name of copyright owner]"
*
* Contributor(s):
* If you wish your version of this file to be governed by only the CDDL or
* only the GPL Version 2, indicate your decision by adding "[Contributor]
* elects to include this software in this distribution under the [CDDL or GPL
* Version 2] license." If you don't indicate a single choice of license, a
* recipient has the option to distribute your version of this file under
* either the CDDL, the GPL Version 2 or to extend the choice of license to
* its licensees as provided above. However, if you add GPL Version 2 code
* and therefore, elected the GPL Version 2 license, then the option applies
* only if the new code is made subject to such option by the copyright
* holder.
*/
package com.sun.enterprise.tools.verifier.hk2;
import com.sun.enterprise.module.ModuleDefinition;
import com.sun.enterprise.module.ModuleDependency;
import com.sun.enterprise.module.Repository;
import com.sun.enterprise.tools.verifier.apiscan.classfile.ClassFile;
import com.sun.enterprise.tools.verifier.apiscan.classfile.ClassFileLoader;
import com.sun.enterprise.tools.verifier.apiscan.classfile.ClassFileLoaderFactory;
import com.sun.enterprise.tools.verifier.apiscan.classfile.Util;
import static com.sun.enterprise.tools.verifier.hk2.PackageAnalyser.Token.TYPE.*;
import java.io.File;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.PrintStream;
import java.text.Collator;
import java.util.ArrayList;
import java.util.Collection;
import java.util.Collections;
import java.util.Comparator;
import java.util.Enumeration;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;
import java.util.logging.Level;
import java.util.logging.Logger;
import java.util.jar.JarEntry;
import java.util.jar.JarFile;
import org.jvnet.hk2.osgiadapter.OSGiDirectoryBasedRepository;
import org.jvnet.hk2.osgiadapter.OSGiFactoryImpl;
import org.osgi.framework.Version;
import org.osgi.framework.Constants;
/**
* A class that inspects module definitions of a bundle and processes them
* to come up with package dependency matrix, split-packages, etc.
* Does not handle version information correctly while matching exporter to importers,
* so it assumes a package or a bundle
* has only one version at any given time in a distribution.
*
* @author [email protected]
*/
public class PackageAnalyser {
public Set bundles;
private Logger logger;
final static char QUOTE = '\"';
final static char COMMA = ',';
final static char SEMICOLON = ';';
final static char COLON = ':';
final static char EQUALS = '=';
/**
* Holds information about a range of Versions.
*/
private static class VersionRange {
private final Version lowerVersion;
private final boolean lowerVersionInclussive; // is it [1.0 or (1.0
private final Version upperVersion;
private final boolean upperVersionInclussive; // is it 2.0] or 2.0)
private static final VersionRange DEFAULT_VERSION_RANGE = new VersionRange();
private static final String LSB = "[";
private static final String LP = "(";
private static final String RSB = "]";
public VersionRange(Version lowerVersion, boolean lowerVersionInclussive, Version upperVersion, boolean upperVersionInclussive) {
this.lowerVersion = lowerVersion;
this.lowerVersionInclussive = lowerVersionInclussive;
this.upperVersion = upperVersion;
this.upperVersionInclussive = upperVersionInclussive;
}
private VersionRange(Version lowerVersion) {
this(lowerVersion, true, null, false);
}
public VersionRange() {
this(Version.emptyVersion, true, null, false);
}
@Override
public int hashCode() {
return toString().hashCode();
}
@Override
public boolean equals(Object obj) {
boolean b = obj instanceof VersionRange;
if (b) {
VersionRange other = (VersionRange) obj;
b = this.lowerVersion.equals(other.lowerVersion) && // lowerVersions are never null, so we can safely call equals
this.lowerVersionInclussive == other.lowerVersionInclussive;
if (b) {
b = this.upperVersionInclussive == other.upperVersionInclussive;
if(b) {
b = (this.upperVersion != null && this.upperVersion.equals(other.upperVersion)) ||
other.upperVersion==null;
}
}
return b;
}
return b;
}
public static VersionRange valueOf(String s) {
if (s == null) s = "";
// The string can be any of the following:
// "v1" -> [v1, infinity)
// v1 -> [v1, inifinity)
// "[v1, v2)"
// "(v1, v2)"
// "(v1, v2]"
// "[v1, v2]"
// Let's get rid of the sorrounding quotes.
if(s.startsWith("\"")) {
assert(s.endsWith("\""));
s = s.substring(1, s.length()-1);
}
if (s.length() == 0) return DEFAULT_VERSION_RANGE;
if (s.startsWith(LP) || s.startsWith(LSB)) {
int comma = s.indexOf(COMMA, 1);
String lvs = s.substring(1, comma).trim();
Version lv = new Version(lvs);
String uvs = s.substring(comma+1, s.length() -1).trim();
Version uv = new Version(uvs);
boolean lowerVersionInclussive = s.startsWith(LSB);
boolean upperVersionInclussive = s.endsWith(RSB);
return new VersionRange(lv, lowerVersionInclussive, uv, upperVersionInclussive);
} else {
Version lv = new Version(s.trim());
return new VersionRange(lv);
}
}
/**
* Returns true if the given version falls in the version range.
* @param version
* @return
*/
public boolean isInRange(Version version) {
final int distanceFromLowerVersion = version.compareTo(lowerVersion);
boolean lowerVersionMatches =
lowerVersionInclussive ? (distanceFromLowerVersion >=0) : (distanceFromLowerVersion > 0);
if (lowerVersionMatches) {
if (upperVersion != null) {
final int distanceFromUpperVersion = version.compareTo(upperVersion);
boolean upperVersionMatches =
upperVersionInclussive ? (distanceFromUpperVersion <= 0) : (distanceFromUpperVersion < 0);
return upperVersionMatches;
} else {
return true;
}
} else {
return false;
}
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("\"");
sb.append(lowerVersionInclussive ? LSB : LP).append(lowerVersion).append(", ");
sb.append(upperVersion != null ? upperVersion.toString() : "infinity").append(upperVersionInclussive ? RSB : ")");
sb.append("\"");
return sb.toString();
}
}
/**
* Holds information about an exported package.
*/
public static class PackageCapability implements Comparable {
private String name;
private Version version = Version.emptyVersion;
public PackageCapability(String name, String versionStr) {
this.name = name.trim();
if (versionStr != null && versionStr.trim().length() > 0) {
this.version = new Version(versionStr.trim());
}
}
public PackageCapability(String name) {
this(name, null);
}
@Override
public String toString() {
return name + "; version=" + version;
}
public String getName() {
return name;
}
public Version getVersion() {
return version;
}
public int compareTo(PackageCapability o) {
Collator collator = Collator.getInstance();
int i = collator.compare(getName(), o.getName());
if (i == 0) {
i = getVersion().compareTo(o.getVersion());
}
return i;
}
@Override
public int hashCode() {
return name.hashCode() + version.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof PackageCapability) {
final PackageCapability other = PackageCapability.class.cast(obj);
return name.equals(other.name) && version.equals(other.version);
}
return false;
}
}
// Represents an imported pkg.
private static class PackageRequirement implements Comparable {
private String name;
private VersionRange versionRange;
private PackageRequirement(String name, VersionRange versionRange) {
this.name = name;
this.versionRange = versionRange;
assert(versionRange != null);
}
public String getName() {
return name;
}
public VersionRange getVersionRange() {
return versionRange;
}
public int compareTo(PackageRequirement o) {
Collator collator = Collator.getInstance();
int i = collator.compare(getName(), o.getName());
if (i == 0) {
i = getVersionRange().toString().compareTo(o.getVersionRange().toString());
}
return i;
}
@Override
public String toString() {
return name + "; version=" + versionRange;
}
@Override
public int hashCode() {
return toString().hashCode();
}
@Override
public boolean equals(Object obj) {
boolean b = obj instanceof PackageRequirement;
if (b) {
PackageRequirement other = (PackageRequirement) obj;
b = this.name.equals(other.name) && this.versionRange.equals(other.versionRange);
}
return b;
}
}
/**
* A dats structure to capture bundle details needed for our
* processing.
*/
public static class Bundle {
private ModuleDefinition md;
/**
* Packages exported by this bundle
*/
private Set exportedPkgs = new HashSet();
private Set exportedPkgNames = new HashSet();
/**
* Packages needed by this bundle. This is NOT necessarily same as
* what is mentioned in Import-Package header. We introspect the classes
* of a bundle and generate this list.
*/
private Set requiredPkgs = new HashSet();
/**
* Packages imported by this bundle via Import-Package header.
*/
private Set importedPkgs = new HashSet();
/**
* List of all the required bundles.
*/
private Set requiredBundles = new HashSet();
Bundle(ModuleDefinition md) {
this.setMd(md);
}
public Set getExportedPkgs() {
return Collections.unmodifiableSet(exportedPkgs);
}
public void setExportedPkgs(Set exportedPkgs) {
this.exportedPkgs = exportedPkgs;
for (PackageCapability p : exportedPkgs) {
exportedPkgNames.add(p.getName());
}
}
public Set getImportedPkgs() {
return Collections.unmodifiableSet(importedPkgs);
}
public void setImportedPkgs(Set importedPkgs) {
this.importedPkgs = importedPkgs;
}
public Set getRequiredPkgs() {
return Collections.unmodifiableSet(requiredPkgs);
}
public void setRequiredPkgs(Set requiredPkgs) {
this.requiredPkgs = requiredPkgs;
}
public Set getRequiredBundles() {
return Collections.unmodifiableSet(requiredBundles);
}
public void setRequiredBundles(Set requiredBundles) {
this.requiredBundles = requiredBundles;
}
public ModuleDefinition getMd() {
return md;
}
public boolean provides(String pkg) {
return exportedPkgNames.contains(pkg);
}
public PackageCapability provides(PackageRequirement pr) {
if (provides(pr.getName())) {
for (PackageCapability pc : getExportedPkgs()) {
if (pc.getName().equals(pr.getName()) && pr.getVersionRange().isInRange(pc.getVersion())) {
return pc;
}
}
}
return null;
}
public boolean requires(PackageCapability p) {
return getRequiredPkgs().contains(p.getName());
}
@Override
public int hashCode() {
return getMd().hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof Bundle) {
return this.getMd().equals(Bundle.class.cast(obj).getMd());
}
return false;
}
public String getName() {
return getMd().getName();
}
public void setMd(ModuleDefinition md) {
this.md = md;
}
}
/**
* A wire represents a connection between an exporter bundle to an importer
* bundle for a particular package.
*/
public static class Wire {
/**
* Package that is being wired
*/
PackageCapability pc;
/**
* The bundle that exports this package
*/
Bundle exporter;
/**
* Requirement that's being wired.
*/
PackageRequirement pr;
/**
* The bundle that imports this package
*/
Bundle importer;
public Wire(String pkg, Bundle importer, Bundle exporter) {
this(new PackageCapability(pkg), new PackageRequirement(pkg, VersionRange.DEFAULT_VERSION_RANGE), importer, exporter);
}
public Wire(PackageCapability pc, PackageRequirement pr, Bundle importer, Bundle exporter) {
this.exporter = exporter;
this.importer = importer;
this.pc = pc;
this.pr = pr;
assert(pc.getName().equals(pr.getName()));
}
public PackageCapability getPc() {
return pc;
}
public PackageRequirement getPr() {
return pr;
}
public String getPkg() {
return pc.getName();
}
public Bundle getExporter() {
return exporter;
}
public Bundle getImporter() {
return importer;
}
@Override
public int hashCode() {
return getPkg().hashCode();
}
@Override
public boolean equals(Object obj) {
boolean b = false;
if (obj instanceof Wire) {
Wire other = Wire.class.cast(obj);
b = pc.equals(other.pc) && pr.equals(other.pr);
if (b) {
if (exporter != null) {
b = exporter.equals(other.exporter);
} else {
b = other.exporter == null;
}
if (b) {
if (importer != null) {
b = importer.equals(other.importer);
} else {
b = other.importer == null;
}
}
}
}
return b;
}
@Override
public String toString() {
return "Wire [Package = " + pc + ", Importer = " + importer.getMd().getName() + ", Exporter = " + exporter.getMd().getName() + "]";
}
}
/**
* Holds information about a split-package.
* A split-package is a package whose contents come from multiple bundles.
* Note that, a package can be exported by multiple bundles. It leads to
* problematic scenarios when the symmetric difference of set of classes
* for a package from the two bundles is not an empty set. In other words,
* they should contain identical set of classes from the same package.
*/
public static class SplitPackage {
/*
* TODO(Sahoo):
* 1. Report packages that are really split. Currently,
* it reports a package as split if it is exported by multiple bundles.
* 2. Handle version
*/
/**
* name of package
*/
String name;
/**
* Bundles exporting this package
*/
Set exporters = new HashSet();
public SplitPackage(String name, Set exporters) {
this.name = name;
this.exporters = exporters;
}
@Override
public int hashCode() {
return name.hashCode();
}
@Override
public boolean equals(Object obj) {
if (obj instanceof SplitPackage) {
return name.equals(SplitPackage.class.cast(obj));
}
return false;
}
@Override
public String toString() {
StringBuilder sb = new StringBuilder("name " + name + " (" + exporters.size() + " times):\n");
for (Bundle b : exporters) {
sb.append(b.getMd().getName() + "\n");
}
return sb.toString();
}
}
private Repository moduleRepository;
public PackageAnalyser(Repository moduleRepository) {
this(moduleRepository, Logger.getAnonymousLogger());
}
public PackageAnalyser(Repository repo, Logger logger) {
this.moduleRepository = repo;
this.logger = logger;
}
/**
* Analyse the dependency of a bundle and updates it in the given bundle object.
*
* @param bundle to be analysed
*/
public void analyse(Bundle bundle) throws IOException {
bundle.setRequiredBundles(computeRequiredBundles(bundle));
bundle.setExportedPkgs(computeExportedPackages(bundle));
bundle.setImportedPkgs(computeImportedPackages(bundle));
bundle.setRequiredPkgs(computeRequiredPackages(bundle));
}
private Set computeImportedPackages(Bundle bundle) {
// The header looks like this:
// Import-Package: p1; p2; version=1.4; foo=bar, p3;version="[1, 5)", p4
String importPkgHeader = bundle.getMd().getManifest().getMainAttributes().getValue(Constants.IMPORT_PACKAGE);
if (importPkgHeader == null) {
return Collections.EMPTY_SET;
}
Set importedPkgs = new HashSet();
List tokens = tokenize(importPkgHeader);
List pkgNames = new ArrayList();
VersionRange versionRange = VersionRange.DEFAULT_VERSION_RANGE;
boolean nextPkgGroup = false;
for (Token t : tokens) {
switch (t.type) {
case PKG:
if(nextPkgGroup) {
// Add parsed package details and prepare for next iteration
for (String name : pkgNames) {
PackageRequirement pr = new PackageRequirement(name, versionRange);
importedPkgs.add(pr);
}
pkgNames.clear();
versionRange = VersionRange.DEFAULT_VERSION_RANGE;
nextPkgGroup = false;
}
pkgNames.add(t.value);
break;
case DIRECTIVE:
break;
case ATTRIBUTE:
int idx = t.value.indexOf(EQUALS);
assert(idx != -1);
String attrName = t.value.substring(0, idx);
if (Constants.VERSION_ATTRIBUTE.equals(attrName)) {
String versionRangeStr = t.value.substring(idx +1);
versionRange = VersionRange.valueOf(versionRangeStr);
}
break;
case PKG_GROUP_SEP:
nextPkgGroup = true;
break;
default:
throw new RuntimeException("Unknown token type. Fix the program.");
}
}
if (!pkgNames.isEmpty()) {
for (String name : pkgNames) {
PackageRequirement pr = new PackageRequirement(name, versionRange);
importedPkgs.add(pr);
}
}
return importedPkgs;
}
private Set computeRequiredPackages(Bundle bundle) throws IOException {
Set requiredPkgs = new HashSet();
File moduleFile = new File(bundle.getMd().getLocations()[0]);
String classpath = moduleFile.getAbsolutePath();
JarFile moduleJar = new JarFile(moduleFile);
ClassFileLoader cfl = ClassFileLoaderFactory.newInstance(new Object[]{classpath});
final String classExt = ".class";
for (Enumeration entries = moduleJar.entries(); entries.hasMoreElements();) {
JarEntry je = entries.nextElement();
if (je.getName().endsWith(classExt)) {
String className = Util.convertToExternalClassName(je.getName().substring(0, je.getName().length() - classExt.length()));
ClassFile cf = null;
try {
cf = cfl.load(className);
for (String c : cf.getAllReferencedClassNames()) {
requiredPkgs.add(Util.getPackageName(c));
}
} catch (IOException e) {
logger.logp(Level.FINE, "PackageAnalyser", "computeRequiredPackages", "Skipping analysis of {0} as the following exception was thrown:\n {1}", new Object[]{className, e});
}
}
}
return requiredPkgs;
}
static class Token {
enum TYPE {
PKG, ATTRIBUTE, DIRECTIVE, PKG_GROUP_SEP
}
final String value;
final TYPE type;
private Token(String value, TYPE type) {
this.value = value;
this.type = type;
}
public static Token createToken(String s, TYPE type) {
// System.out.println("createToken(" + s + ", " + type+ ")");
return new Token(s, type);
}
}
private List tokenize(String header) {
// The string looks like
// Export-Package: p1;p2;version=1.4;uses:="q1,q2...,qn",p3;uses:="q1,q2";p4;p5;version=...
List tokens = new ArrayList();
StringBuilder token = new StringBuilder();
Token.TYPE type = PKG; // next token type
for (int i = 0; i < header.length(); i++) {
char c = header.charAt(i);
switch(c) {
case QUOTE :
int nextQuote = header.indexOf(QUOTE, i+1);
token.append(header.substring(i, nextQuote+1));
i = nextQuote;
break;
case COLON:
token.append(c);
char c2 = header.charAt(i+1);
if (c2 == EQUALS) {
type = DIRECTIVE;
token.append(c2);
i++;
}
break;
case EQUALS:
type = ATTRIBUTE;
token.append(c);
break;
case COMMA :
tokens.add(Token.createToken(token.toString(), type));
// Add a special token as PKG GROUP SEPARATOR.
tokens.add(Token.createToken(",", Token.TYPE.PKG_GROUP_SEP));
token.delete(0, token.length());
type = PKG;
break;
case SEMICOLON:
tokens.add(Token.createToken(token.toString(), type));
token.delete(0, token.length());
type = PKG;
break;
default:
token.append(c);
}
}
if (token.length() > 0) {
tokens.add(Token.createToken(token.toString(), type));
}
return tokens;
}
private static class PackageGroup {
final List pkgNames;
final List pkgAttributes;
final List pkgDirectives;
private PackageGroup(List pkgNames, List pkgAttributes, List pkgDirectives) {
this.pkgNames = pkgNames;
this.pkgAttributes = pkgAttributes;
this.pkgDirectives = pkgDirectives;
}
}
private List parseExportPackage(String header) {
// The string looks like
// Export-Package: p1;p2;version=1.4;uses:="q1,q2...,qn",p3;uses:="q1,q2";p4;p5;version=...
List pkgGroups = new ArrayList();
List tokens = tokenize(header);
List pkgNames = new ArrayList();
List pkgAttributes = new ArrayList();
List pkgDirectives = new ArrayList();
boolean nextPkgGroup = false;
for (Token t : tokens) {
switch (t.type) {
case PKG:
if (nextPkgGroup) {
// Add parsed package details and prepare for next iteration
pkgGroups.add(new PackageGroup(pkgNames, pkgAttributes, pkgDirectives));
pkgNames = new ArrayList();
pkgAttributes = new ArrayList();
pkgDirectives = new ArrayList();
nextPkgGroup = false;
}
pkgNames.add(t.value);
break;
case ATTRIBUTE:
pkgAttributes.add(t.value);
break;
case DIRECTIVE:
pkgDirectives.add(t.value);
break;
case PKG_GROUP_SEP:
nextPkgGroup = true;
break;
default:
throw new RuntimeException("Unknown token type. Fix the program");
}
}
if (!pkgNames.isEmpty()) {
// Add parsed package details
pkgGroups.add(new PackageGroup(pkgNames, pkgAttributes, pkgDirectives));
}
return pkgGroups;
}
private Set computeExportedPackages(Bundle bundle) {
Set exportedPkgs = new HashSet();
String exportedPkgsAttr = bundle.getMd().getManifest().getMainAttributes().getValue("Export-Package");
if (exportedPkgsAttr == null) return exportedPkgs;
Collection pkgGroups = parseExportPackage(exportedPkgsAttr);
for (PackageGroup pg : pkgGroups) {
String version = null;
for (String attr : pg.pkgAttributes) {
int idx = attr.indexOf(EQUALS);
assert(idx!= -1);
if (Constants.VERSION_ATTRIBUTE.equals(attr.substring(0, idx))) {
version = attr.substring(idx+1);
// if version contains quotes around it, remove them.
if(version.startsWith("\"") && version.endsWith("\"")) {
version = version.substring(1, version.length()-1);
}
}
}
for (String pkgName : pg.pkgNames) {
PackageCapability p = new PackageCapability(pkgName, version);
exportedPkgs.add(p);
}
}
return exportedPkgs;
}
private Set computeRequiredBundles(Bundle bundle) {
Set requiredBundles = new HashSet();
for (ModuleDependency dep : bundle.getMd().getDependencies()) {
ModuleDefinition md = moduleRepository.find(dep.getName(), dep.getVersion());
if (md != null) {
requiredBundles.add(new Bundle(md));
} else {
System.out.println("WARNING: Missing dependency: [" + dep + "] for module [" + bundle.getName() + "]");
}
}
return requiredBundles;
}
/**
* Analyse package wiring between bundles. This method ignores
* @return
* @throws IOException
*/
public Collection analyseWirings() throws IOException {
List moduleDefs =
moduleDefs = moduleRepository.findAll();
bundles = new HashSet();
for (ModuleDefinition moduleDef : moduleDefs) {
Bundle bundle = new Bundle(moduleDef);
bundles.add(bundle);
analyse(bundle);
}
Set wires = new HashSet();
for (Bundle importer : bundles) {
Set importedPkgNames = new HashSet();
for (PackageRequirement pr : importer.getImportedPkgs()) {
importedPkgNames.add(pr.getName());
PackageCapability pc;
for (Bundle exporter : bundles) {
if ((pc = exporter.provides(pr)) != null) {
Wire w = new Wire(pc, pr, importer, exporter);
wires.add(w);
}
}
}
for (String pkg : importer.getRequiredPkgs()) {
if (importedPkgNames.contains(pkg)) {
continue; // already seen this via Import-Package wiring
}
for (Bundle exporter : bundles) {
if (exporter.provides(pkg)) {
Wire w = new Wire(pkg, importer, exporter);
wires.add(w);
}
}
}
}
List sorted = new ArrayList(wires);
Collections.sort(sorted, new Comparator() {
Collator collator = Collator.getInstance();
public int compare(Wire o1, Wire o2) {
return collator.compare(o1.pc.getName(), o2.pc.getName());
}
});
return sorted;
}
/**
* Inspects bundles and reports duplicate packages.
* Before calling this method, you must call {@link this#analyseWirings()}
* The colection is already sorted.
*
* @return set of split-packages, en empty set if none is found.
*/
public Collection findDuplicatePackages() {
assert (bundles != null);
Map> packages = new HashMap>();
for (Bundle b : bundles) {
for (PackageCapability p : b.getExportedPkgs()) {
Set exporters = packages.get(p.getName());
if (exporters == null) {
exporters = new HashSet();
packages.put(p.getName(), exporters);
}
exporters.add(b);
}
}
Set duplicatePkgs = new HashSet();
for (Map.Entry> entry : packages.entrySet()) {
if (entry.getValue().size() > 1) {
duplicatePkgs.add(new SplitPackage(entry.getKey(), entry.getValue()));
}
}
List sortedDuplicatePkgs = new ArrayList(duplicatePkgs);
Collections.sort(sortedDuplicatePkgs, new Comparator() {
Collator collator = Collator.getInstance();
public int compare(SplitPackage o1, SplitPackage o2) {
return collator.compare(o1.name, o2.name);
}
});
return sortedDuplicatePkgs;
}
public Collection findAllExportedPackages() {
List packages = new ArrayList();
for (Bundle b : bundles) {
packages.addAll(b.getExportedPkgs());
}
Collections.sort(packages);
return packages;
}
public Collection findAllExportedPackageNames() {
Collection packages = findAllExportedPackages();
Set pkgNames = new HashSet(packages.size());
for (PackageCapability p : packages) {
pkgNames.add(p.getName());
}
List sorted = new ArrayList(pkgNames);
Collections.sort(sorted, new Comparator() {
Collator collator = Collator.getInstance();
public int compare(String o1, String o2) {
return collator.compare(o1, o2);
}
});
return sorted;
}
public Set findAllBundles() {
return bundles;
}
public Collection findUnusedExports() {
List unusedPackages = new ArrayList();
for (Bundle exporter : bundles) {
unusedPackages.addAll(findUnusedExports(exporter));
}
Collections.sort(unusedPackages);
return unusedPackages;
}
/**
* Find unused exported packages for a given bundle
* @param exporter
* @return
*/
public Collection findUnusedExports(Bundle exporter) {
List unusedPackages = new ArrayList();
for (PackageCapability p : exporter.getExportedPkgs()) {
boolean used = false;
for (Bundle importer : bundles) {
if (importer != exporter && importer.requires(p)) {
used = true;
break;
}
}
if (!used) unusedPackages.add(p);
}
Collections.sort(unusedPackages);
return unusedPackages;
}
public void generateWiringReport(Collection exportedPkgs, Collection wires, PrintStream out) {
out.println("");
out.println("");
out.println("");
for (PackageCapability p : exportedPkgs) {
Set exporters = new HashSet();
Set importers = new HashSet();
for (PackageAnalyser.Wire w : wires) {
if (w.getPc().equals(p)) {
exporters.add(w.getExporter().getName());
importers.add(w.getImporter().getName());
}
}
StringBuilder sb = new StringBuilder();
sb.append("\t\n");
sb.append("\t\t\n");
for (String e : exporters) {
sb.append(e + " ");
}
sb.append("\n\t\t \n");
sb.append("\t\t\n");
for (String e : importers) {
sb.append(e + " ");
}
sb.append("\n\t\t \n");
sb.append("\t ");
out.println(sb);
}
out.println(" ");
}
public void generateBundleReport(PrintStream out) {
out.println("");
// out.println("");
out.println("");
for (Bundle b : bundles) {
StringBuilder sb = new StringBuilder();
final Set allpcs = b.getExportedPkgs();
final Collection unusedpcs = findUnusedExports(b);
final Collection usedpcs = new HashSet(allpcs);
usedpcs.removeAll(unusedpcs);
sb.append("\t\n");
sb.append("\t\t\n");
sb.append("\t\t\t\n");
int i = 0;
for (PackageCapability pc : usedpcs) {
sb.append("\t\t\t\t" + pc);
if (++i < usedpcs.size()) {
sb.append(",\\");
}
sb.append("\n");
}
sb.append("\t\t\t \n");
sb.append("\t\t\t\n");
i = 0;
for (PackageCapability pc : unusedpcs) {
sb.append("\t\t\t\t" + pc);
if (++i < unusedpcs.size()) {
sb.append(",\\");
}
sb.append("\n");
}
sb.append("\t\t\t \n");
sb.append("\t\t \n");
sb.append("\t\t\n");
List prs = new ArrayList(b.getImportedPkgs());
Collections.sort(prs);
i = 0;
for (PackageRequirement pr : prs) {
sb.append("\t\t\t" + pr);
if (++i < prs.size()) {
sb.append(",\\");
}
sb.append("\n");
}
sb.append("\t\t \n");
sb.append("\t ");
out.println(sb);
}
out.println(" ");
}
private String getBundleLocation(Bundle b) {
return new File(b.getMd().getLocations()[0]).getName();
}
public static void main(String[] args) throws Exception {
if (args.length != 5) {
System.out.println("Usage: java " + PackageAnalyser.class.getName() +
" © 2015 - 2025 Weber Informatics LLC | Privacy Policy