use of aQute.bnd.osgi.ClassDataCollector in project bnd by bndtools.
the class ClazzTest method testDynamicInstr.
/**
* Complaint from Groovy that the dynamic instruction fails.
*
* <pre>
* [bndwrap]
* java.lang.ArrayIndexOutOfBoundsException: 15 [bndwrap] at
* aQute.bnd.osgi.Clazz.parseClassFile(Clazz.java:387) [bndwrap] at
* aQute.bnd.osgi.Clazz.parseClassFile(Clazz.java:308) [bndwrap] at
* aQute.bnd.osgi.Clazz.parseClassFileWithCollector(Clazz.java:297)
* [bndwrap] at aQute.bnd.osgi.Clazz.parseClassFile(Clazz.java:286)
* [bndwrap] at aQute.bnd.osgi.Analyzer.analyzeJar(Analyzer.java:1489)
* [bndwrap] at
* aQute.bnd.osgi.Analyzer.analyzeBundleClasspath(Analyzer.java:1387)
* [bndwrap] Invalid class file:
* groovy/inspect/swingui/AstNodeToScriptVisitor.class [bndwrap] Exception:
* 15
* </pre>
*/
public void testDynamicInstr() throws Exception {
try (Analyzer a = new Analyzer()) {
Clazz c = new Clazz(a, "", null);
c.parseClassFile(new FileInputStream("jar/AstNodeToScriptVisitor.jclass"), new ClassDataCollector() {
});
Set<PackageRef> referred = c.getReferred();
Descriptors d = new Descriptors();
assertFalse(referred.contains(d.getPackageRef("")));
System.out.println(referred);
}
}
use of aQute.bnd.osgi.ClassDataCollector in project bnd by bndtools.
the class ClazzTest method testClassForNameFalsePickup.
/**
* Check if the class is not picking up false references when the
* CLass.forName name is constructed. The DeploymentAdminPermission.1.jclass
* turned out to use Class.forName with a name that was prefixed with a
* package from a property. bnd discovered the suffix
* (.DeploymentAdminPermission) but this ended up in the default package. So
* now the clazz parser tests that the name guessed for Class.forName must
* actually resemble a class name.
*/
public void testClassForNameFalsePickup() throws Exception {
try (Analyzer a = new Analyzer()) {
Clazz c = new Clazz(a, "", null);
c.parseClassFile(new FileInputStream("jar/DeploymentAdminPermission.1.jclass"), new ClassDataCollector() {
});
Set<PackageRef> referred = c.getReferred();
Descriptors d = new Descriptors();
assertFalse(referred.contains(d.getPackageRef("")));
System.out.println(referred);
}
}
use of aQute.bnd.osgi.ClassDataCollector in project bnd by bndtools.
the class ClazzTest method testCaughtExceptions.
public void testCaughtExceptions() throws Exception {
try (Analyzer a = new Analyzer()) {
Clazz c = new Clazz(a, "", null);
c.parseClassFile(new FileInputStream("bin/test/ClazzTest$Catching.class"), new ClassDataCollector() {
});
assertTrue(c.getReferred().toString().contains("org.xml.sax"));
}
}
use of aQute.bnd.osgi.ClassDataCollector in project bnd by bndtools.
the class ClassParserTest method testConstantValues.
/**
* Test the constant values
*
* @throws Exception
*/
public void testConstantValues() throws Exception {
final Map<String, Object> values = new HashMap<String, Object>();
Clazz c = new Clazz(a, "ConstantValues", new FileResource(IO.getFile(new File("").getAbsoluteFile(), "bin/test/ConstantValues.class")));
c.parseClassFileWithCollector(new ClassDataCollector() {
Clazz.FieldDef last;
@Override
public void field(Clazz.FieldDef referenced) {
last = referenced;
}
@Override
public void constant(Object value) {
values.put(last.getName(), value);
}
});
assertEquals(1, values.get("t"));
assertEquals(0, values.get("f"));
assertEquals((int) Byte.MAX_VALUE, values.get("bt"));
assertEquals((int) Short.MAX_VALUE, values.get("shrt"));
assertEquals((int) Character.MAX_VALUE, values.get("chr"));
assertEquals(Integer.MAX_VALUE, values.get("intgr"));
assertEquals(Long.MAX_VALUE, values.get("lng"));
assertEquals(Float.MAX_VALUE, values.get("flt"));
assertEquals(Double.MAX_VALUE, values.get("dbl"));
assertEquals("blabla", values.get("strng"));
// Classes are special
// assertEquals("java.lang.Object", ((Clazz.ClassConstant)
// values.get("clss")).getName());
}
use of aQute.bnd.osgi.ClassDataCollector in project bnd by bndtools.
the class JavaElement method classElement.
/**
* Calculate the class element. This requires parsing the class file and
* finding all the methods that were added etc. The parsing will take super
* interfaces and super classes into account. For this reason it maintains a
* queue of classes/interfaces to parse.
*
* @param analyzer
* @param clazz
* @param infos
* @throws Exception
*/
Element classElement(final Clazz clazz) throws Exception {
Element e = cache.get(clazz);
if (e != null)
return e;
final Set<Element> members = Create.set();
final Set<MethodDef> methods = Create.set();
final Set<Clazz.FieldDef> fields = Create.set();
final MultiMap<Clazz.Def, Element> annotations = new MultiMap<Clazz.Def, Element>();
final TypeRef name = clazz.getClassName();
final String fqn = name.getFQN();
final String shortName = name.getShortName();
// Check if this clazz is actually a provider or not
// providers must be listed in the exported package in the
// PROVIDER_TYPE directive.
Instructions matchers = providerMatcher.get(name.getPackageRef());
boolean p = matchers != null && matchers.matches(shortName);
final AtomicBoolean provider = new AtomicBoolean(p);
//
// Check if we already had this clazz in the cache
//
// for super classes
Element before = cache.get(clazz);
if (before != null)
return before;
clazz.parseClassFileWithCollector(new ClassDataCollector() {
boolean memberEnd;
Clazz.FieldDef last;
@Override
public void version(int minor, int major) {
javas.add(Clazz.JAVA.getJava(major, minor));
}
@Override
public void method(MethodDef defined) {
if ((defined.isProtected() || defined.isPublic())) {
last = defined;
methods.add(defined);
} else {
last = null;
}
}
@Override
public void deprecated() {
if (memberEnd)
clazz.setDeprecated(true);
else if (last != null)
last.setDeprecated(true);
}
@Override
public void field(Clazz.FieldDef defined) {
if (defined.isProtected() || defined.isPublic()) {
last = defined;
fields.add(defined);
} else
last = null;
}
@Override
public void constant(Object o) {
if (last != null) {
// Must be accessible now
last.setConstant(o);
}
}
@Override
public void extendsClass(TypeRef name) throws Exception {
String comment = null;
if (!clazz.isInterface())
comment = inherit(members, name);
Clazz c = analyzer.findClass(name);
if ((c == null || c.isPublic()) && !name.isObject())
members.add(new Element(EXTENDS, name.getFQN(), null, MICRO, MAJOR, comment));
}
@Override
public void implementsInterfaces(TypeRef[] names) throws Exception {
// ignore type reordering
Arrays.sort(names);
for (TypeRef name : names) {
String comment = null;
if (clazz.isInterface() || clazz.isAbstract())
comment = inherit(members, name);
members.add(new Element(IMPLEMENTS, name.getFQN(), null, MINOR, MAJOR, comment));
}
}
/**
*/
Set<Element> OBJECT = Create.set();
public String inherit(final Set<Element> members, TypeRef name) throws Exception {
if (name.isObject()) {
if (OBJECT.isEmpty()) {
Clazz c = analyzer.findClass(name);
if (c == null) {
// available
return null;
}
Element s = classElement(c);
for (Element child : s.children) {
if (INHERITED.contains(child.type)) {
String n = child.getName();
if (child.type == METHOD) {
if (n.startsWith("<init>") || "getClass()".equals(child.getName()) || n.startsWith("wait(") || n.startsWith("notify(") || n.startsWith("notifyAll("))
continue;
}
if (isStatic(child))
continue;
OBJECT.add(child);
}
}
}
members.addAll(OBJECT);
} else {
Clazz c = analyzer.findClass(name);
if (c == null) {
return inherit(members, analyzer.getTypeRef("java/lang/Object"));
}
Element s = classElement(c);
for (Element child : s.children) {
if (isStatic(child))
continue;
if (INHERITED.contains(child.type) && !child.name.startsWith("<")) {
members.add(child);
}
}
}
return null;
}
private boolean isStatic(Element child) {
boolean isStatic = child.get("static") != null;
return isStatic;
}
/**
* Deprecated annotations and Provider/Consumer Type (both bnd and
* OSGi) are treated special. Other annotations are turned into a
* tree. Starting with ANNOTATED, and then properties. A property is
* a PROPERTY property or an ANNOTATED property if it is an
* annotation. If it is an array, the key is suffixed with the
* index.
*
* <pre>
* public @interface Outer { Inner[] value(); }
* public @interface Inner { String[] value(); } @Outer(
* { @Inner("1","2"}) } class Xyz {} ANNOTATED Outer
* (CHANGED/CHANGED) ANNOTATED Inner (CHANGED/CHANGED) PROPERTY
* value.0=1 (CHANGED/CHANGED) PROPERTY value.1=2 (CHANGED/CHANGED)
* </pre>
*/
@Override
public void annotation(Annotation annotation) {
if (Deprecated.class.getName().equals(annotation.getName().getFQN())) {
if (memberEnd)
clazz.setDeprecated(true);
else if (last != null)
last.setDeprecated(true);
return;
}
Element e = annotatedToElement(annotation);
if (memberEnd) {
members.add(e);
//
// Check for the provider/consumer. We use strings because
// these are not officially
// released yet
//
String name = annotation.getName().getFQN();
if ("aQute.bnd.annotation.ProviderType".equals(name) || "org.osgi.annotation.versioning.ProviderType".equals(name)) {
provider.set(true);
} else if ("aQute.bnd.annotation.ConsumerType".equals(name) || "org.osgi.annotation.versioning.ConsumerType".equals(name)) {
provider.set(false);
}
} else if (last != null)
annotations.add(last, e);
}
/*
* Return an ANNOTATED element for this annotation. An ANNOTATED
* element contains either PROPERTY children or ANNOTATED children.
*/
private Element annotatedToElement(Annotation annotation) {
Collection<Element> properties = Create.set();
for (String key : annotation.keySet()) {
addAnnotationMember(properties, key, annotation.get(key));
}
return new Element(ANNOTATED, annotation.getName().getFQN(), properties, CHANGED, CHANGED, null);
}
/*
* This method detects 3 cases: An Annotation, which means it
* creates a new child ANNOTATED element, an array, which means it
* will repeat recursively but suffixes the key with the index, or a
* simple value which is turned into a string.
*/
private void addAnnotationMember(Collection<Element> properties, String key, Object member) {
if (member instanceof Annotation) {
properties.add(annotatedToElement((Annotation) member));
} else if (member.getClass().isArray()) {
int l = Array.getLength(member);
for (int i = 0; i < l; i++) {
addAnnotationMember(properties, key + "." + i, Array.get(member, i));
}
} else {
StringBuilder sb = new StringBuilder();
sb.append(key);
sb.append('=');
if (member instanceof String) {
sb.append("'");
sb.append(member);
sb.append("'");
} else
sb.append(member);
properties.add(new Element(PROPERTY, sb.toString(), null, CHANGED, CHANGED, null));
}
}
@Override
public void innerClass(TypeRef innerClass, TypeRef outerClass, String innerName, int innerClassAccessFlags) throws Exception {
Clazz clazz = analyzer.findClass(innerClass);
if (clazz != null)
clazz.setInnerAccess(innerClassAccessFlags);
if (Modifier.isProtected(innerClassAccessFlags) || Modifier.isPublic(innerClassAccessFlags))
return;
notAccessible.add(innerClass);
}
@Override
public void memberEnd() {
memberEnd = true;
}
});
// This is the heart of the semantic versioning. If we
// add or remove a method from an interface then
Delta add;
Delta remove;
Type type;
if (clazz.isInterface())
if (clazz.isAnnotation())
type = ANNOTATION;
else
type = INTERFACE;
else if (clazz.isEnum())
type = ENUM;
else
type = CLASS;
if (type == INTERFACE) {
if (provider.get()) {
// Adding a method for a provider is not an issue
// because it must be aware of the changes
add = MINOR;
// Removing a method influences consumers since they
// tend to call this guy.
remove = MAJOR;
} else {
// Adding a method is a major change
// because the consumer has to implement it
// or the provider will call a non existent
// method on the consumer
add = MAJOR;
// Removing a method is not an issue for
// providers, however, consumers could potentially
// call through this interface :-(
remove = MAJOR;
}
} else {
// Adding a method to a class can never do any harm
// except when the class is extended and the new
// method clashes with the new method. That is
// why API classes in general should be final, at
// least not extended by consumers.
add = MINOR;
// Removing it will likely hurt consumers
remove = MAJOR;
}
for (MethodDef m : methods) {
if (m.isSynthetic()) {
// Ignore synthetic methods
continue;
}
Collection<Element> children = annotations.get(m);
if (children == null)
children = new HashSet<Element>();
access(children, m.getAccess(), m.isDeprecated(), provider.get());
// in a final class.
if (clazz.isFinal())
children.remove(FINAL);
children.add(getReturn(m.getType()));
if (clazz.isInterface() && !m.isAbstract()) {
//
// We have a Java 8 default method!
// Such a method is always a minor update
//
add = MINOR;
}
String signature = m.getName() + toString(m.getPrototype());
Element member = new Element(METHOD, signature, children, add, provider.get() && !m.isPublic() ? MINOR : remove, null);
if (!members.add(member)) {
members.remove(member);
members.add(member);
}
}
for (Clazz.FieldDef f : fields) {
if (f.isSynthetic()) {
// Ignore synthetic fields
continue;
}
Collection<Element> children = annotations.get(f);
if (children == null)
children = new HashSet<Element>();
// Fields can have a constant value, this is a new element
if (f.getConstant() != null) {
children.add(new Element(CONSTANT, f.getConstant().toString(), null, CHANGED, CHANGED, null));
}
access(children, f.getAccess(), f.isDeprecated(), provider.get());
children.add(getReturn(f.getType()));
Element member = new Element(FIELD, f.getName(), children, MINOR, provider.get() && !f.isPublic() ? MINOR : MAJOR, null);
if (!members.add(member)) {
members.remove(member);
members.add(member);
}
}
access(members, clazz.getAccess(), clazz.isDeprecated(), provider.get());
// And make the result
Element s = new Element(type, fqn, members, MINOR, MAJOR, null);
cache.put(clazz, s);
return s;
}
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