com.sun.tools.jxc.ap.InlineAnnotationReaderImpl Maven / Gradle / Ivy
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Old JAXB Binding Compiler. Contains source code needed for binding customization files into java sources.
In other words: the *tool* to generate java classes for the given xml representation.
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package com.sun.tools.jxc.ap;
import java.lang.annotation.Annotation;
import java.lang.reflect.InvocationTargetException;
import java.util.ArrayList;
import java.util.Collection;
import java.util.List;
import javax.lang.model.element.AnnotationMirror;
import javax.lang.model.element.Element;
import javax.lang.model.element.ExecutableElement;
import javax.lang.model.element.TypeElement;
import javax.lang.model.element.VariableElement;
import javax.lang.model.type.MirroredTypeException;
import javax.lang.model.type.MirroredTypesException;
import javax.lang.model.type.TypeMirror;
import com.sun.xml.bind.v2.model.annotation.AbstractInlineAnnotationReaderImpl;
import com.sun.xml.bind.v2.model.annotation.AnnotationReader;
import com.sun.xml.bind.v2.model.annotation.Locatable;
import com.sun.xml.bind.v2.model.annotation.LocatableAnnotation;
/**
* {@link AnnotationReader} implementation that reads annotation inline from Annoation Processing.
*
* @author Kohsuke Kawaguchi ([email protected])
*/
public final class InlineAnnotationReaderImpl extends AbstractInlineAnnotationReaderImpl {
/** The singleton instance. */
public static final InlineAnnotationReaderImpl theInstance = new InlineAnnotationReaderImpl();
private InlineAnnotationReaderImpl() {}
public A getClassAnnotation(Class a, TypeElement clazz, Locatable srcPos) {
return LocatableAnnotation.create(clazz.getAnnotation(a),srcPos);
}
public A getFieldAnnotation(Class a, VariableElement f, Locatable srcPos) {
return LocatableAnnotation.create(f.getAnnotation(a),srcPos);
}
public boolean hasFieldAnnotation(Class annotationType, VariableElement f) {
return f.getAnnotation(annotationType)!=null;
}
public boolean hasClassAnnotation(TypeElement clazz, Class annotationType) {
return clazz.getAnnotation(annotationType)!=null;
}
public Annotation[] getAllFieldAnnotations(VariableElement field, Locatable srcPos) {
return getAllAnnotations(field,srcPos);
}
public A getMethodAnnotation(Class a, ExecutableElement method, Locatable srcPos) {
return LocatableAnnotation.create(method.getAnnotation(a),srcPos);
}
public boolean hasMethodAnnotation(Class a, ExecutableElement method) {
return method.getAnnotation(a)!=null;
}
public Annotation[] getAllMethodAnnotations(ExecutableElement method, Locatable srcPos) {
return getAllAnnotations(method,srcPos);
}
/**
* Gets all the annotations on the given declaration.
*/
private Annotation[] getAllAnnotations(Element decl, Locatable srcPos) {
List r = new ArrayList();
for( AnnotationMirror m : decl.getAnnotationMirrors() ) {
try {
String fullName = ((TypeElement) m.getAnnotationType().asElement()).getQualifiedName().toString();
Class type =
SecureLoader.getClassClassLoader(getClass()).loadClass(fullName).asSubclass(Annotation.class);
Annotation annotation = decl.getAnnotation(type);
if(annotation!=null)
r.add( LocatableAnnotation.create(annotation,srcPos) );
} catch (ClassNotFoundException e) {
// just continue
}
}
return r.toArray(new Annotation[r.size()]);
}
public A getMethodParameterAnnotation(Class a, ExecutableElement m, int paramIndex, Locatable srcPos) {
VariableElement[] params = m.getParameters().toArray(new VariableElement[m.getParameters().size()]);
return LocatableAnnotation.create(
params[paramIndex].getAnnotation(a), srcPos );
}
public A getPackageAnnotation(Class a, TypeElement clazz, Locatable srcPos) {
return LocatableAnnotation.create(clazz.getEnclosingElement().getAnnotation(a), srcPos);
}
public TypeMirror getClassValue(Annotation a, String name) {
try {
a.annotationType().getMethod(name).invoke(a);
assert false;
throw new IllegalStateException("should throw a MirroredTypeException");
} catch (IllegalAccessException e) {
throw new IllegalAccessError(e.getMessage());
} catch (InvocationTargetException e) {
if( e.getCause() instanceof MirroredTypeException ) {
MirroredTypeException me = (MirroredTypeException)e.getCause();
return me.getTypeMirror();
}
// impossible
throw new RuntimeException(e);
} catch (NoSuchMethodException e) {
throw new NoSuchMethodError(e.getMessage());
}
}
public TypeMirror[] getClassArrayValue(Annotation a, String name) {
try {
a.annotationType().getMethod(name).invoke(a);
assert false;
throw new IllegalStateException("should throw a MirroredTypesException");
} catch (IllegalAccessException e) {
throw new IllegalAccessError(e.getMessage());
} catch (InvocationTargetException e) {
if( e.getCause() instanceof MirroredTypesException ) {
MirroredTypesException me = (MirroredTypesException)e.getCause();
Collection r = me.getTypeMirrors();
return r.toArray(new TypeMirror[r.size()]);
}
// *********************** TODO: jdk6 bug. Fixed in java7
// According to the javadocs it should throw the MirroredTypesException
if( e.getCause() instanceof MirroredTypeException ) {
MirroredTypeException me = (MirroredTypeException)e.getCause();
TypeMirror tr = me.getTypeMirror();
TypeMirror[] trArr = new TypeMirror[1];
trArr[0] = tr;
return trArr;
}
// *******************************************
// impossible
throw new RuntimeException(e);
} catch (NoSuchMethodException e) {
throw new NoSuchMethodError(e.getMessage());
}
}
protected String fullName(ExecutableElement m) {
return ((TypeElement) m.getEnclosingElement()).getQualifiedName().toString()+'#'+m.getSimpleName();
}
}
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