package org.apache.ibatis.reflection;
import org.apache.ibatis.reflection.invoker.Invoker;
import org.apache.ibatis.reflection.property.PropertyTokenizer;
public class MetaClass {
private Reflector reflector;
private MetaClass(Class type) {
this.reflector = Reflector.forClass(type);
}
public static MetaClass forClass(Class type) {
return new MetaClass(type);
}
public static boolean isClassCacheEnabled() {
return Reflector.isClassCacheEnabled();
}
public static void setClassCacheEnabled(boolean classCacheEnabled) {
Reflector.setClassCacheEnabled(classCacheEnabled);
}
public MetaClass metaClassForProperty(String name) {
Class propType = reflector.getGetterType(name);
return MetaClass.forClass(propType);
}
public String findProperty(String name) {
StringBuilder prop = buildProperty(name, new StringBuilder());
return prop.length() > 0 ? prop.toString() : null;
}
public String[] getGetterNames() {
return reflector.getGetablePropertyNames();
}
public String[] getSetterNames() {
return reflector.getSetablePropertyNames();
}
public Class getSetterType(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
MetaClass metaProp = metaClassForProperty(prop.getName());
return metaProp.getSetterType(prop.getChildren());
} else {
return reflector.getSetterType(prop.getName());
}
}
public Class getGetterType(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
MetaClass metaProp = metaClassForProperty(prop.getName());
return metaProp.getGetterType(prop.getChildren());
} else {
return reflector.getGetterType(prop.getName());
}
}
public boolean hasSetter(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
if (reflector.hasSetter(prop.getName())) {
MetaClass metaProp = metaClassForProperty(prop.getName());
return metaProp.hasSetter(prop.getChildren());
} else {
return false;
}
} else {
return reflector.hasSetter(prop.getName());
}
}
public boolean hasGetter(String name) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
if (reflector.hasGetter(prop.getName())) {
MetaClass metaProp = metaClassForProperty(prop.getName());
return metaProp.hasGetter(prop.getChildren());
} else {
return false;
}
} else {
return reflector.hasGetter(prop.getName());
}
}
public Invoker getGetInvoker(String name) {
return reflector.getGetInvoker(name);
}
public Invoker getSetInvoker(String name) {
return reflector.getSetInvoker(name);
}
private StringBuilder buildProperty(String name, StringBuilder builder) {
PropertyTokenizer prop = new PropertyTokenizer(name);
if (prop.hasNext()) {
String propertyName = reflector.findPropertyName(prop.getName());
if (propertyName != null) {
builder.append(propertyName);
builder.append(".");
MetaClass metaProp = metaClassForProperty(propertyName);
metaProp.buildProperty(prop.getChildren(), builder);
}
} else {
String propertyName = reflector.findPropertyName(name);
if (propertyName != null) {
builder.append(propertyName);
}
}
return builder;
}
}
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