/**
* Creates 'readResolve(Object)' method for this enumeration class.
*
* @param jClass The enumeration class to create this method for.
*/
private void createReadResolveMethod(final JClass jClass) {
JDocComment jdc;
JSourceCode jsc;
JMethod mReadResolve = new JMethod("readResolve", SGTypes.OBJECT, "this deserialized object");
mReadResolve.getModifiers().makePrivate();
jClass.addMethod(mReadResolve);
jdc = mReadResolve.getJDocComment();
jdc.appendComment(" will be called during deserialization to replace ");
jdc.appendComment("the deserialized object with the correct constant ");
jdc.appendComment("instance.");
jsc = mReadResolve.getSourceCode();
jsc.add("return valueOf(this.stringValue);");
}
/**
* Creates 'enumerate()' method for this enumeration class.
*
* @param jClass The enumeration class to create this method for.
* @param className The name of the class.
*/
private void createEnumerateMethod(final JClass jClass, final String className) {
// TODO for the time being return Enumeration<Object> for Java 5.0; change
JMethod mEnumerate =
new JMethod(
"enumerate",
SGTypes.createEnumeration(SGTypes.OBJECT, getConfig().useJava50(), true),
"an Enumeration over all possible instances of " + className);
mEnumerate.getModifiers().setStatic(true);
jClass.addMethod(mEnumerate);
JDocComment jdc = mEnumerate.getJDocComment();
jdc.appendComment("Returns an enumeration of all possible instances of ");
jdc.appendComment(className);
mEnumerate.getSourceCode().add("return _memberTable.elements();");
}
/**
* Creates 'init()' method for this enumeration class.
*
* @param jClass The enumeration class to create this method for.
* @return an 'init()' method for this enumeration class.
*/
private JMethod createInitMethod(final JClass jClass) {
final String initMethodName = getInitMethodName(_maxSuffix);
JMethod mInit =
new JMethod(
initMethodName,
SGTypes.createHashtable(getConfig().useJava50()),
"the initialized Hashtable for the member table");
jClass.addMethod(mInit);
mInit.getModifiers().makePrivate();
mInit.getModifiers().setStatic(true);
if (getConfig().useJava50()) {
mInit
.getSourceCode()
.add(
"java.util.Hashtable<Object, Object> members"
+ " = new java.util.Hashtable<Object, Object>();");
} else {
mInit.getSourceCode().add("java.util.Hashtable members = new java.util.Hashtable();");
}
return mInit;
}
/**
* Creates 'valueOf(String)' method for this enumeration class.
*
* @param jClass The enumeration class to create this method for.
* @param className The name of the class.
*/
private void createValueOfMethod(final JClass jClass, final String className) {
JMethod mValueOf =
new JMethod("valueOf", jClass, "the " + className + " value of parameter 'string'");
mValueOf.addParameter(new JParameter(SGTypes.STRING, "string"));
mValueOf.getModifiers().setStatic(true);
jClass.addMethod(mValueOf);
JDocComment jdc = mValueOf.getJDocComment();
jdc.appendComment("Returns a new " + className);
jdc.appendComment(" based on the given String value.");
JSourceCode jsc = mValueOf.getSourceCode();
jsc.add(
"java.lang.Object obj = null;\n"
+ "if (string != null) {\n"
+ " obj = _memberTable.get(string{1});\n"
+ "}\n"
+ "if (obj == null) {\n"
+ " String err = \"'\" + string + \"' is not a valid {0}\";\n"
+ " throw new IllegalArgumentException(err);\n"
+ "}\n"
+ "return ({0}) obj;",
className, (_caseInsensitive ? ".toLowerCase()" : ""));
}
/**
* Creates all the necessary enumeration code from the given SimpleType. Enumerations are handled
* by creating an Object like the following:
*
* <pre>
* public class {name} {
* // list of values
* {type}[] values = {
* ...
* };
*
* // Returns true if the given value is part
* // of this enumeration
* public boolean contains({type} value);
*
* // Returns the {type} value whose String value
* // is equal to the given String
* public {type} valueOf(String strValue);
* }
* </pre>
*
* @param binding Extended binding instance
* @param simpleType the SimpleType we are processing an enumeration for
* @param state our current state
*/
void processEnumerationAsBaseType(
final ExtendedBinding binding, final SimpleType simpleType, final FactoryState state) {
SimpleType base = (SimpleType) simpleType.getBaseType();
XSType baseType = null;
if (base == null) {
baseType = new XSString();
} else {
baseType = _typeConversion.convertType(base, getConfig().useJava50());
}
Enumeration enumeration = simpleType.getFacets(Facet.ENUMERATION);
JClass jClass = state.getJClass();
String className = jClass.getLocalName();
JField fValues = null;
JDocComment jdc = null;
JSourceCode jsc = null;
// -- modify constructor
JConstructor constructor = jClass.getConstructor(0);
constructor.getModifiers().makePrivate();
fValues = new JField(new JArrayType(baseType.getJType(), getConfig().useJava50()), "values");
// -- Loop through "enumeration" facets
// -- and create the default values for the type.
int count = 0;
StringBuilder values = new StringBuilder("{\n");
while (enumeration.hasMoreElements()) {
Facet facet = (Facet) enumeration.nextElement();
String value = facet.getValue();
// -- Should we make sure the value is valid before proceeding??
// -- we need to move this code to XSType so that we don't have to do
// -- special code here for each type
if (count > 0) {
values.append(",\n");
}
// -- indent for fun
values.append(" ");
if (baseType.getType() == XSType.STRING_TYPE) {
values.append('\"');
// -- escape value
values.append(escapeValue(value));
values.append('\"');
} else {
values.append(value);
}
++count;
}
values.append("\n}");
fValues.setInitString(values.toString());
jClass.addField(fValues);
// -- #valueOf method
JMethod method =
new JMethod("valueOf", jClass, "the String value of the provided " + baseType.getJType());
method.addParameter(new JParameter(SGTypes.STRING, "string"));
method.getModifiers().setStatic(true);
jClass.addMethod(method);
jdc = method.getJDocComment();
jdc.appendComment("Returns the " + baseType.getJType());
jdc.appendComment(" based on the given String value.");
jsc = method.getSourceCode();
jsc.add("for (int i = 0; i < values.length; i++) {");
jsc.add("}");
jsc.add("throw new IllegalArgumentException(\"");
jsc.append("Invalid value for ");
jsc.append(className);
jsc.append(": \" + string + \".\");");
} // -- processEnumerationAsBaseType