com.sun.tools.xjc.api.Reference Maven / Gradle / Ivy
package com.sun.tools.xjc.api;
import com.sun.mirror.apt.AnnotationProcessorEnvironment;
import com.sun.mirror.declaration.Declaration;
import com.sun.mirror.declaration.MethodDeclaration;
import com.sun.mirror.declaration.ParameterDeclaration;
import com.sun.mirror.declaration.TypeDeclaration;
import com.sun.mirror.type.TypeMirror;
import com.sun.mirror.util.SourcePosition;
/**
* Reference to a JAXB type (from JAX-RPC.)
*
*
* A reference is a Java type (represented as a {@link TypeMirror})
* and a set of annotations (represented as a {@link Declaration}).
* Together they describe a root reference to a JAXB type binding.
*
*
* Those two values can be supplied independently, or you can use
* other convenience constructors to supply two values at once.
*
*
* @author Kohsuke Kawaguchi
*/
public final class Reference {
/**
* The JAXB type being referenced. Must not be null.
*/
public final TypeMirror type;
/**
* The declaration from which annotations for the {@link #type} is read.
* Must not be null.
*/
public final Declaration annotations;
/**
* Creates a reference from the return type of the method
* and annotations on the method.
*/
public Reference(MethodDeclaration method) {
this(method.getReturnType(),method);
}
/**
* Creates a reference from the parameter type
* and annotations on the parameter.
*/
public Reference(ParameterDeclaration param) {
this(param.getType(),param);
}
/**
* Creates a reference from a class declaration and its annotations.
*/
public Reference(TypeDeclaration type,AnnotationProcessorEnvironment env) {
this(env.getTypeUtils().getDeclaredType(type),type);
}
/**
* Creates a reference by providing two values independently.
*/
public Reference(TypeMirror type, Declaration annotations) {
if(type==null || annotations==null)
throw new IllegalArgumentException();
this.type = type;
this.annotations = annotations;
}
/**
* Gets the source location that can be used to report error messages regarding
* this reference.
*/
public SourcePosition getPosition() {
return annotations.getPosition();
}
public boolean equals(Object o) {
if (this == o) return true;
if (!(o instanceof Reference)) return false;
final Reference that = (Reference) o;
return annotations.equals(that.annotations) && type.equals(that.type);
}
public int hashCode() {
return 29 * type.hashCode() + annotations.hashCode();
}
}