/**
* Add the pre-check to see if we are already in the UI thread.
*
* @param delegatingMethod
* @param holder
* @throws JClassAlreadyExistsException
*/
private void addUIThreadCheck(
JMethod delegatingMethod, JBlock previousBody, EComponentHolder holder)
throws JClassAlreadyExistsException {
// Get the Thread and Looper class.
JClass tClass = holder.classes().THREAD;
JClass lClass = holder.classes().LOOPER;
// invoke the methods.
JExpression lhs = tClass.staticInvoke(METHOD_CUR_THREAD);
JExpression rhs = lClass.staticInvoke(METHOD_MAIN_LOOPER).invoke(METHOD_GET_THREAD);
// create the conditional and the block.
JConditional con = delegatingMethod.body()._if(JOp.eq(lhs, rhs));
JBlock thenBlock = con._then().add(previousBody);
thenBlock._return();
}
@Override
public void generate(JDefinedClass cls, GenerationContext context) {
if (classSpec.getFields().isEmpty()) {
return; // No equals needed.
}
// Import the objects class, for hash coding.
JClass objects = context.getTypeManager().getClassDirect("java.util.Objects");
// Create the equals method.
JMethod hashMethod = cls.method(JMod.PUBLIC, int.class, "hashCode");
hashMethod.annotate(Override.class);
JBlock body = hashMethod.body();
// Check if the object is null.
JVar hash = body.decl(JType.parse(context.getCodeModel(), "int"), "hash", JExpr.lit(3));
// Do check for each field.
for (DataFieldSpecification fieldSpec : classSpec.getFields()) {
List<String> parts = NameFormat.namesToList(fieldSpec.getFieldName());
String camelCaseFieldName = NameFormat.camelCase(parts, false);
// Get the field value.
JExpression thisField = JExpr.refthis(camelCaseFieldName);
// Accumulate the hash code.
JExpression fieldHashCode = objects.staticInvoke("hashCode").arg(thisField);
body.assign(hash, JExpr.lit(79).mul(hash).plus(fieldHashCode));
}
// Return the processed hash value.
body._return(hash);
}
private JDefinedClass addBuilderCls(Feed feed, JDefinedClass cls)
throws JClassAlreadyExistsException, ClassNotFoundException {
JDefinedClass bldrCls = cls._class(JMod.PUBLIC | JMod.STATIC | JMod.FINAL, "Builder");
JVar paramBuilder =
bldrCls
.field(JMod.PRIVATE | JMod.FINAL, immutableMapBldr, "params")
.init(immutableMap.staticInvoke("builder"));
for (Filter filter : feed.getFilters().getFilter()) {
if (!Boolean.TRUE.equals(filter.isDeprecated())) {
addWithersFor(filter, bldrCls, paramBuilder);
}
}
if (feed.getMixins() != null && feed.getMixins().getMixin() != null) {
JDefinedClass mixinEnum = getMixinEnum(feed);
for (Mixin mixin : feed.getMixins().getMixin()) {
String mixinName = mixin.getName().toUpperCase().replace(' ', '_');
JEnumConstant mixinCnst = mixinEnum.enumConstant(mixinName);
mixinCnst.arg(JExpr.lit(mixin.getName().replace(' ', '+')));
}
JFieldVar field = cls.field(privateStaticFinal, String.class, "MIXIN");
field.init(JExpr.lit("mixin"));
JMethod iterWither = bldrCls.method(JMod.PUBLIC, bldrCls, "withMixins");
JVar param = iterWither.param(iterable(mixinEnum), "mixins");
JBlock mthdBody = iterWither.body();
mthdBody.add(
paramBuilder
.invoke("put")
.arg(field)
.arg(immutableList.staticInvoke("copyOf").arg(param)));
mthdBody._return(JExpr._this());
JMethod varArgWither = bldrCls.method(JMod.PUBLIC, bldrCls, "withMixins");
param = varArgWither.varParam(mixinEnum, "mixins");
varArgWither
.body()
._return(JExpr.invoke(iterWither).arg(immutableList.staticInvoke("copyOf").arg(param)));
}
JMethod bldMthd = bldrCls.method(JMod.PUBLIC, cls, "build");
bldMthd.body()._return(JExpr._new(cls).arg(paramBuilder.invoke("build")));
// TODO: add sorts
return bldrCls;
}
/**
* Creates the equals method on the supplied class. Leverages {@link
* org.ldaptive.LdapUtils#areEqual(Object, Object)}.
*
* @param clazz to put equals method on
*/
private void createEquals(final JDefinedClass clazz) {
final JClass ldapUtilsClass = codeModel.ref(org.ldaptive.LdapUtils.class);
final JInvocation areEqual = ldapUtilsClass.staticInvoke("areEqual");
final JMethod equals = clazz.method(JMod.PUBLIC, boolean.class, "equals");
equals.annotate(java.lang.Override.class);
areEqual.arg(JExpr._this());
areEqual.arg(equals.param(Object.class, "o"));
equals.body()._return(areEqual);
}
private void addWither(
Filter filter, JDefinedClass bldrCls, JVar paramBuilder, JFieldVar field, JClass paramType)
throws JClassAlreadyExistsException {
JMethod method = createWitherMethod(filter, bldrCls);
if (filter.getTitle() != null) {
method.javadoc().add(String.format("<p>%s</p>", filter.getTitle()));
}
JVar param = addParam(filter, method, paramType);
JBlock mthdBody = method.body();
boolean needsNullCheck = true;
if (filter.getMinValue() != null) {
mthdBody.add(precs.staticInvoke("checkNotNull").arg(param));
needsNullCheck = false;
int min = filter.getMinValue().intValue();
mthdBody.add(
precs
.staticInvoke("checkArgument")
.arg(JExpr.lit(min).lte(param))
.arg(JExpr.lit(param.name() + ": %s < " + min))
.arg(param));
}
if (filter.getMaxValue() != null) {
if (needsNullCheck) {
mthdBody.add(precs.staticInvoke("checkNotNull").arg(param));
needsNullCheck = false;
}
int max = filter.getMaxValue().intValue();
mthdBody.add(
precs
.staticInvoke("checkArgument")
.arg(JExpr.lit(max).gte(param))
.arg(JExpr.lit(param.name() + ": %s > " + max))
.arg(param));
}
JInvocation putIntoMap = paramBuilder.invoke("put").arg(field);
if (needsNullCheck) {
putIntoMap.arg(precs.staticInvoke("checkNotNull").arg(param));
} else {
putIntoMap.arg(param);
}
mthdBody.add(putIntoMap);
mthdBody._return(JExpr._this());
}
private void addVarArgsWither(
Filter filter, JMethod wither, JDefinedClass bldrCls, JClass paramType)
throws JClassAlreadyExistsException {
JMethod method = bldrCls.method(wither.mods().getValue(), wither.type(), wither.name());
if (filter.getTitle() != null) {
method.javadoc().add(String.format("<p>%s</p>", filter.getTitle()));
}
JVar param = method.varParam(paramType, wither.listParams()[0].name());
method
.body()
._return(JExpr.invoke(wither).arg(immutableList.staticInvoke("copyOf").arg(param)));
}
/**
* Creates the hashCode method on the supplied class. Leverages {@link
* org.ldaptive.LdapUtils#computeHashCode(int, Object...)}.
*
* @param clazz to put hashCode method on
*/
private void createHashCode(final JDefinedClass clazz) {
final JClass ldapUtilsClass = codeModel.ref(org.ldaptive.LdapUtils.class);
final JInvocation computeHashCode = ldapUtilsClass.staticInvoke("computeHashCode");
final JMethod hashCode = clazz.method(JMod.PUBLIC, int.class, "hashCode");
hashCode.annotate(java.lang.Override.class);
// CheckStyle:MagicNumber OFF
computeHashCode.arg(JExpr.lit(7919));
// CheckStyle:MagicNumber ON
for (Map.Entry<String, JFieldVar> entry : clazz.fields().entrySet()) {
computeHashCode.arg(JExpr._this().ref(entry.getValue()));
}
hashCode.body()._return(computeHashCode);
}
private JMethod addIterableWither(
Filter filter, JDefinedClass bldrCls, JVar paramBuilder, JFieldVar field, JClass paramType)
throws JClassAlreadyExistsException {
JMethod method = createWitherMethod(filter, bldrCls);
if (filter.getTitle() != null) {
method.javadoc().add(String.format("<p>%s</p>", filter.getTitle()));
}
JVar param = addParam(filter, method, iterable(paramType));
JBlock mthdBody = method.body();
mthdBody.add(
paramBuilder.invoke("put").arg(field).arg(immutableList.staticInvoke("copyOf").arg(param)));
mthdBody._return(JExpr._this());
return method;
}
private static void processToString(JDefinedClass packetClass, JCodeModel codeModel) {
JClass string = codeModel.ref(String.class);
JClass stringBuilder = codeModel.ref(StringBuilder.class);
JClass arrays = codeModel.ref(Arrays.class);
JMethod toStringMeth = packetClass.method(JMod.PUBLIC, String.class, "toString");
toStringMeth.annotate(Override.class);
JBlock body = toStringMeth.body();
JVar stringBuilderVar = body.decl(stringBuilder, "sb");
stringBuilderVar =
stringBuilderVar.init(JExpr._new(stringBuilder).arg(packetClass.name() + "["));
JInvocation appendChain = null;
for (JFieldVar fieldVar : packetClass.fields().values()) {
if (appendChain != null) {
// a comma is needed
appendChain = appendChain.invoke("append").arg("," + fieldVar.name() + "=");
} else {
appendChain = stringBuilderVar.invoke("append").arg(fieldVar.name() + "=");
}
// now add the field to the toString output
JExpression expression =
fieldVar.type().isArray()
? arrays.staticInvoke("toString").arg(JExpr._this().ref(fieldVar.name()))
: fieldVar.type().isReference()
? JExpr._this().ref(fieldVar.name()).invoke("toString")
: JExpr._this().ref(fieldVar.name());
appendChain = appendChain.invoke("append").arg(expression);
}
if (appendChain != null) {
appendChain = appendChain.invoke("append").arg("]");
} else {
appendChain = stringBuilderVar.invoke("append").arg("]");
}
body.add(appendChain);
body._return(stringBuilderVar.invoke("toString"));
}
/**
* Creates the toString method on the supplied class. Creates a string that contains every
* property on the generated bean.
*
* @param clazz to put toString method on
*/
private void createToString(final JDefinedClass clazz) {
final JClass stringClass = codeModel.ref(java.lang.String.class);
final JInvocation format = stringClass.staticInvoke("format");
final JMethod toString = clazz.method(JMod.PUBLIC, String.class, "toString");
toString.annotate(java.lang.Override.class);
final StringBuilder sb = new StringBuilder("[%s@%d::");
for (Map.Entry<String, JFieldVar> entry : clazz.fields().entrySet()) {
sb.append(entry.getKey()).append("=%s, ");
}
sb.setLength(sb.length() - 2);
sb.append("]");
format.arg(sb.toString());
format.arg(JExpr._this().invoke("getClass").invoke("getName"));
format.arg(JExpr._this().invoke("hashCode"));
for (Map.Entry<String, JFieldVar> entry : clazz.fields().entrySet()) {
format.arg(JExpr._this().ref(entry.getValue()));
}
toString.body()._return(format);
}
