com.sun.jersey.server.linking.impl.RefFieldDescriptor Maven / Gradle / Ivy
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package com.sun.jersey.server.linking.impl;
import com.sun.jersey.core.reflection.AnnotatedMethod;
import com.sun.jersey.core.reflection.MethodList;
import com.sun.jersey.server.linking.Binding;
import com.sun.jersey.server.linking.Ref;
import java.lang.reflect.Field;
import java.net.URI;
import java.util.HashMap;
import java.util.Iterator;
import java.util.Map;
import java.util.logging.Level;
import java.util.logging.Logger;
import javax.ws.rs.Path;
/**
* Utility class for working with {@link Ref} annotated fields
* @author mh124079
*/
public class RefFieldDescriptor extends FieldDescriptor implements RefDescriptor {
private Ref link;
private Class type;
private Map bindings;
public RefFieldDescriptor(Field f, Ref l, Class t) {
super(f);
link = l;
type = t;
bindings = new HashMap();
for (Binding binding: l.bindings()) {
bindings.put(binding.name(), binding.value());
}
}
public void setPropertyValue(Object instance, URI value) {
setAccessibleField(field);
try {
field.set(instance, type.equals(URI.class) ? value : value.toString());
} catch (IllegalArgumentException ex) {
Logger.getLogger(RefFieldDescriptor.class.getName()).log(Level.SEVERE, null, ex);
} catch (IllegalAccessException ex) {
Logger.getLogger(RefFieldDescriptor.class.getName()).log(Level.SEVERE, null, ex);
}
}
public Ref.Style getLinkStyle() {
return link.style();
}
public String getLinkTemplate() {
return getLinkTemplate(link);
}
public static String getLinkTemplate(Ref link) {
String template = null;
if (!link.resource().equals(Class.class)) {
// extract template from specified class' @Path annotation
Path path = link.resource().getAnnotation(Path.class);
template = path==null ? "" : path.value();
if (link.method().length() > 0) {
// append value of method's @Path annotation
MethodList methods = new MethodList(link.resource());
methods = methods.hasAnnotation(Path.class);
Iterator iterator = methods.iterator();
while (iterator.hasNext()) {
AnnotatedMethod method = iterator.next();
if (!method.getMethod().getName().equals(link.method()))
continue;
Path methodPath = method.getAnnotation(Path.class);
String methodTemplate = methodPath.value();
StringBuilder builder = new StringBuilder();
builder.append(template);
if (!(template.endsWith("/") || methodTemplate.startsWith("/")))
builder.append("/");
builder.append(methodTemplate);
template = builder.toString();
break;
}
}
} else {
template = link.value();
}
return template;
}
public String getBinding(String name) {
return bindings.get(name);
}
public String getCondition() {
return link.condition();
}
}