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/*
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS HEADER.
*
* Copyright (c) 2012-2013 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
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* 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:
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* 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
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*
* Portions Copyright [2017-2021] Payara Foundation and/or affiliates
*/
package org.glassfish.admin.rest.composite.metadata;
import java.lang.annotation.Annotation;
import java.lang.reflect.ParameterizedType;
import java.lang.reflect.Type;
import java.util.logging.Level;import jakarta.json.Json;
import jakarta.json.JsonException;
import jakarta.json.JsonObject;
import jakarta.json.JsonObjectBuilder;
import jakarta.json.JsonValue;
import org.glassfish.admin.rest.OptionsCapable;
import org.glassfish.admin.rest.RestLogging;
import org.glassfish.admin.rest.composite.CompositeUtil;
import org.glassfish.admin.rest.utils.JsonUtil;
import org.jvnet.hk2.config.Attribute;
/**
*
* @author jdlee
*/
public class ParamMetadata {
private String name;
private Type type;
private String help;
private JsonValue defaultValue;
private boolean readOnly = false;
private boolean confidential = false;
private boolean immutable = false;
private boolean createOnly = false;
private OptionsCapable context;
public ParamMetadata() {
}
public ParamMetadata(OptionsCapable context, Type paramType, String name, Annotation[] annotations) {
this.name = name;
this.context = context;
this.type = paramType;
final CompositeUtil instance = CompositeUtil.instance();
help = instance.getHelpText(annotations);
defaultValue = getDefaultValue(annotations);
for (Annotation a : annotations) {
if (a.annotationType().equals(ReadOnly.class)) {
readOnly = true;
}
if (a.annotationType().equals(Confidential.class)) {
confidential = true;
}
if (a.annotationType().equals(Immutable.class)) {
immutable = true;
}
if (a.annotationType().equals(CreateOnly.class)) {
createOnly = true;
}
}
}
public String getName() {
return name;
}
public void setName(String name) {
this.name = name;
}
public Type getType() {
return type;
}
public void setType(Type type) {
this.type = type;
}
public String getHelp() {
return help;
}
public void setHelp(String help) {
this.help = help;
}
public Object getDefaultValue() {
return defaultValue;
}
public void setDefaultValue(JsonValue defaultValue) {
this.defaultValue = defaultValue;
}
@Override
public String toString() {
return "ParamMetadata{" + "name=" + name + ", type=" + getTypeString() + ", help=" + help + '}';
}
public JsonObject toJson() throws JsonException {
JsonObjectBuilder o = Json.createObjectBuilder();
// o.put("name", name);
o.add("type", getTypeString());
if (help != null){
o.add("help", help);
}
JsonValue defVal = (defaultValue != null) ? defaultValue : JsonObject.NULL;
o.add("default", defVal);
o.add("readOnly", readOnly);
o.add("confidential", confidential);
o.add("immutable", immutable);
o.add("createOnly", createOnly);
return o.build();
}
protected String getTypeString() {
if (type instanceof ParameterizedType) {
ParameterizedType pt = (ParameterizedType)type;
StringBuilder sb = new StringBuilder(((Class)pt.getRawType()).getSimpleName());
sb.append("<");
String sep = "";
for (Type t : pt.getActualTypeArguments()) {
sb.append(sep)
.append(((Class)t).getSimpleName());
sep = ";";
}
return sb.append(">").toString();
} else {
return ((Class)type).getSimpleName();
}
}
/**
* This method will process the annotations for a field to try to determine the default value, if one has been specified.
* @param annos
* @return
*/
private JsonValue getDefaultValue(Annotation[] annos) {
Object defval = null;
if (annos != null) {
for (Annotation annotation : annos) {
if (Default.class.isAssignableFrom(annotation.getClass())) {
try {
Default def = (Default)annotation;
Class clazz = def.generator();
if (def.useContext()) {
defval = ((DefaultsGenerator) context).getDefaultValue(name);
} else if (clazz != null && clazz != Void.class) {
if (DefaultsGenerator.class.isAssignableFrom(clazz)) {
defval = ((DefaultsGenerator) clazz.newInstance()).getDefaultValue(name);
} else {
RestLogging.restLogger.log(Level.SEVERE, RestLogging.DOESNT_IMPLEMENT_DEFAULTS_GENERATOR);
}
} else {
defval = parseValue(def.value());
}
break;
} catch (Exception ex) {
RestLogging.restLogger.log(Level.SEVERE, null, ex);
}
} else if (Attribute.class.isAssignableFrom(annotation.getClass())) {
Attribute attr = (Attribute)annotation;
defval = attr.defaultValue();
break;
}
}
}
try {
return JsonUtil.getJsonValue(defval);
} catch (JsonException e){
return null;
}
}
private Object parseValue(String value) {
Class clazz = (Class)type;
try {
if (clazz.equals(String.class)) {
return value;
}
if (clazz.equals(Boolean.TYPE) || clazz.equals(Boolean.class)) {
return Boolean.valueOf(value);
}
if (clazz.equals(Integer.TYPE) || clazz.equals(Integer.class)) {
return new Integer(value);
}
if (clazz.equals(Long.TYPE) || clazz.equals(Long.class)) {
return new Long(value);
}
if (clazz.equals(Double.TYPE) || clazz.equals(Double.class)) {
return new Double(value);
}
if (clazz.equals(Float.TYPE) || clazz.equals(Float.class)) {
return new Float(value);
}
// TBD - arrays/lists of values
RestLogging.restLogger.log(Level.SEVERE, RestLogging.UNSUPPORTED_FIXED_VALUE);
} catch (NumberFormatException e) {
RestLogging.restLogger.log(Level.SEVERE, RestLogging.VALUE_DOES_NOT_MATCH_TYPE);
}
return null;
}
}