public boolean supports(ParamMetaData metaData) {
boolean result = metaData.getParamType() == Mvc.class;
if (result) {
if (!metaData.getControllerClass().getName().startsWith("com.sinosoft.one.mvc")) {
throw new IllegalStateException("Mvc is not allowed as a method parameter:" + metaData);
}
}
return result;
}
private static boolean addIndexAliasParamNameIfNeccessary(ParamMetaData metaData) {
Class<?>[] paramTypes = metaData.getMethod().getParameterTypes();
int index = metaData.getIndex(); // index是从0开始的
int uriParamIndex = 0; // uriParamIndex，有效的值是从**1**开始的
int breakIndex = 0; // breakIndex从0开始的
for (; breakIndex < paramTypes.length && breakIndex <= index; breakIndex++) {
Class<?> type = paramTypes[breakIndex];
if (type.isArray()) {
type = type.getComponentType();
} else if (Collection.class.isAssignableFrom(type)) {
Class<?>[] generics = compileGenericParameterTypesDetail(metaData.getMethod(), breakIndex);
if (generics == null) {
return false;
}
Assert.isTrue(generics.length > 0);
type = generics[0];
}
if (ClassUtils.isPrimitiveOrWrapper(type)
|| type == String.class
|| Date.class.isAssignableFrom(type)) {
uriParamIndex++;
}
}
if ((breakIndex - 1) == index && uriParamIndex > 0) {
String alias = "$" + uriParamIndex;
metaData.addAliasParamName(alias);
if (logger.isDebugEnabled()) {
logger.debug(
"add index alias paramName: '"
+ alias
+ "' for "
+ metaData.getControllerClass().getName()
+ "."
+ metaData.getMethod().getName()
+ "(..."
+ metaData.getParamType()
+ "[index="
+ breakIndex
+ "] ...)");
}
return true;
}
return false;
}
public final boolean supports(ParamMetaData metaData) {
if (innerSupports(metaData)) {
Class<?>[] generics =
compileGenericParameterTypesDetail(metaData.getMethod(), metaData.getIndex());
if (generics == null || generics.length == 0) {
throw new IllegalArgumentException(
"please use generic for "
+ metaData.getParamType().getName()
+ " ["
+ metaData.getControllerClass().getName()
+ "."
+ metaData.getMethod().getName()
+ "]");
}
metaData.setUserObject(this, generics[0]);
return true;
}
return false;
}
public boolean supports(ParamMetaData metaData) {
boolean supports =
Map.class == metaData.getParamType() || HashMap.class == metaData.getParamType();
if (supports) {
Class<?>[] generics =
compileGenericParameterTypesDetail(metaData.getMethod(), metaData.getIndex());
if (generics == null || generics.length == 0) {
throw new IllegalArgumentException(
"please use generic for "
+ metaData.getParamType().getName()
+ " ["
+ metaData.getControllerClass().getName()
+ "."
+ metaData.getMethod().getName()
+ "]");
}
metaData.setUserObject(this, generics);
}
return supports;
}
