org.glassfish.hk2.xml.internal.ModelImpl Maven / Gradle / Ivy
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package org.glassfish.hk2.xml.internal;
import java.lang.reflect.Method;
import java.util.Collection;
import java.util.Collections;
import java.util.HashMap;
import java.util.HashSet;
import java.util.Map;
import java.util.Set;
import javax.xml.bind.annotation.XmlAttribute;
import javax.xml.bind.annotation.XmlElement;
import org.glassfish.hk2.utilities.general.GeneralUtilities;
import org.glassfish.hk2.utilities.reflection.ClassReflectionHelper;
import org.glassfish.hk2.utilities.reflection.MethodWrapper;
import org.glassfish.hk2.xml.internal.alt.AltMethod;
import org.glassfish.hk2.xml.internal.alt.clazz.MethodAltMethodImpl;
import org.glassfish.hk2.xml.spi.Model;
/**
* This model is a description of the children and non-children nodes
* of a Bean. It contains only Strings or other easy to constructs
* structures so that it can be added to the proxy at build time
* and hence save some reflection at runtime
*
* @author jwells
*
*/
public class ModelImpl implements Model {
private static final long serialVersionUID = 752816761552710497L;
/** For thread safety on the computed fields */
private final static Object lock = new Object();
/** The interface from which the JAXB proxy was created, fully qualified */
private String originalInterface;
/** Calculated at runtime lazily this is the original interface as a class */
private volatile Class originalInterfaceAsClass;
/** The JAXB proxy of the originalInterface, fully qualified */
private String translatedClass;
/** Calculated at runtime lazily this is the proxy as a class */
private volatile Class translatedClassAsClass;
/** If this node can be a root, the xml tag of the root of the document */
private String rootName;
/** A map from the xml tag to the parented child node */
private final Map childrenByName = new HashMap();
/** A map from xml tag to information about the non-child property */
private final Map nonChildProperty = new HashMap();
/** If this node has a key, this is the property name of the key */
private String keyProperty;
/**
* These are calculated values and only filled in when asked for
*/
private Set unKeyedChildren = null;
private Set keyedChildren = null;
private transient JAUtilities jaUtilities = null;
private ClassLoader myLoader;
private Map keyToJavaNameMap = null;
public ModelImpl() {
}
public ModelImpl(String originalInterface,
String translatedClass) {
this.originalInterface = originalInterface;
this.translatedClass = translatedClass;
}
public void setRootName(String rootName) {
this.rootName = rootName;
}
public void setKeyProperty(String keyProperty) {
this.keyProperty = keyProperty;
}
public void addChild(
String childInterface,
String xmlTag,
ChildType childType,
String givenDefault) {
ParentedModel pm = new ParentedModel(childInterface, xmlTag, childType, givenDefault);
childrenByName.put(xmlTag, pm);
}
public void addNonChild(String xmlTag, String defaultValue, String childType, boolean isReference) {
nonChildProperty.put(xmlTag, new ChildDataModel(childType, defaultValue, isReference));
}
/**
* @return the originalInterface
*/
@Override
public String getOriginalInterface() {
return originalInterface;
}
/**
* @return the translatedClass
*/
@Override
public String getTranslatedClass() {
return translatedClass;
}
/**
* @return the rootName
*/
@Override
public String getRootName() {
return rootName;
}
/**
* @return the keyProperty
*/
@Override
public String getKeyProperty() {
return keyProperty;
}
public Map getChildrenByName() {
return childrenByName;
}
public Map getNonChildProperties() {
return nonChildProperty;
}
public Set getUnKeyedChildren() {
synchronized (lock) {
if (unKeyedChildren != null) return unKeyedChildren;
unKeyedChildren = new HashSet();
for (Map.Entry entry : childrenByName.entrySet()) {
if (entry.getValue().getChildModel().getKeyProperty() != null) continue;
unKeyedChildren.add(entry.getKey());
}
return unKeyedChildren;
}
}
public Set getKeyedChildren() {
synchronized (lock) {
if (keyedChildren != null) return keyedChildren;
keyedChildren = new HashSet();
for (Map.Entry entry : childrenByName.entrySet()) {
if (entry.getValue().getChildModel().getKeyProperty() == null) continue;
keyedChildren.add(entry.getKey());
}
return keyedChildren;
}
}
public void setJAUtilities(JAUtilities jaUtilities, ClassLoader myLoader) {
synchronized (lock) {
if (this.jaUtilities != null) return;
this.jaUtilities = jaUtilities;
this.myLoader = myLoader;
for (ParentedModel pm : childrenByName.values()) {
pm.setRuntimeInformation(jaUtilities, myLoader);
}
for (ChildDataModel cdm : nonChildProperty.values()) {
cdm.setLoader(myLoader);
}
}
}
public String getDefaultChildValue(String propName) {
synchronized (lock) {
ChildDataModel cd = nonChildProperty.get(propName);
if (cd == null) return null;
return cd.getDefaultAsString();
}
}
public boolean isChildProperty(String propName) {
synchronized (lock) {
if (nonChildProperty.containsKey(propName)) return false;
if (childrenByName.containsKey(propName)) return true;
throw new AssertionError("Unknwn property " + propName + " for " + this);
}
}
public Class getNonChildType(String propName) {
synchronized (lock) {
ChildDataModel cd = nonChildProperty.get(propName);
if (cd == null) return null;
return cd.getChildTypeAsClass();
}
}
public ParentedModel getChild(String propName) {
synchronized (lock) {
return childrenByName.get(propName);
}
}
@Override
public Class getOriginalInterfaceAsClass() {
if (originalInterfaceAsClass != null) return originalInterfaceAsClass;
synchronized (lock) {
if (originalInterfaceAsClass != null) return originalInterfaceAsClass;
originalInterfaceAsClass = GeneralUtilities.loadClass(myLoader, originalInterface);
return originalInterfaceAsClass;
}
}
@Override
public Class getProxyAsClass() {
if (translatedClassAsClass != null) return translatedClassAsClass;
synchronized (lock) {
if (translatedClassAsClass != null) return translatedClassAsClass;
translatedClassAsClass = GeneralUtilities.loadClass(myLoader, translatedClass);
return translatedClassAsClass;
}
}
public Collection getAllChildren() {
synchronized (lock) {
return Collections.unmodifiableCollection(childrenByName.values());
}
}
public Map getChildrenProperties() {
synchronized (lock) {
return Collections.unmodifiableMap(childrenByName);
}
}
public synchronized String getJavaNameFromKey(String key, ClassReflectionHelper reflectionHelper) {
if (keyToJavaNameMap == null) {
keyToJavaNameMap = new HashMap();
}
String result = keyToJavaNameMap.get(key);
if (result != null) return result;
if (reflectionHelper == null) return null;
Class originalInterface = getOriginalInterfaceAsClass();
for (MethodWrapper wrapper : reflectionHelper.getAllMethods(originalInterface)) {
Method m = wrapper.getMethod();
String xmlName;
XmlElement element = m.getAnnotation(XmlElement.class);
if (element == null) {
XmlAttribute attribute = m.getAnnotation(XmlAttribute.class);
if (attribute == null) continue;
xmlName = attribute.name();
}
else {
xmlName = element.name();
}
String keyName;
String javaName = getJavaNameFromGetterOrSetter(m, reflectionHelper);
if ("##default".equals(xmlName)) {
keyName = javaName;
}
else {
keyName = xmlName;
}
if (!key.equals(keyName)) continue;
// Found it!
keyToJavaNameMap.put(key, javaName);
return javaName;
}
return null;
}
private static String getJavaNameFromGetterOrSetter(Method m, ClassReflectionHelper reflectionHelper) {
AltMethod alt = new MethodAltMethodImpl(m, reflectionHelper);
String retVal = Generator.isGetter(alt);
if (retVal != null) return retVal;
return Generator.isSetter(alt);
}
@Override
public int hashCode() {
return translatedClass.hashCode();
}
@Override
public boolean equals(Object o) {
if (o == null) return false;
if (!(o instanceof ModelImpl)) return false;
return translatedClass.equals(((ModelImpl) o).getTranslatedClass());
}
@Override
public String toString() {
return "ModelImpl(interface=" + originalInterface + ",class=" + translatedClass + ",root=" + rootName + ",keyProperty=" + keyProperty + ")";
}
}
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