import java.lang.reflect.Modifier;
import java.util.ArrayList;
import java.util.Arrays;
+import java.util.HashMap;
import java.util.List;
+import java.util.Map;
+import java.util.Set;
import org.wamblee.collections.CollectionFilter;
import org.wamblee.conditions.Condition;
import org.wamblee.conditions.FixedCondition;
import org.wamblee.general.Pair;
+import org.wamblee.reflection.ReflectionUtils;
import org.wamblee.system.core.DefaultProvidedInterface;
import org.wamblee.system.core.DefaultRequiredInterface;
import org.wamblee.system.core.ProvidedInterface;
public class SetterConfiguration {
private Class _class;
- private boolean _publicOnly;
+ private boolean publicOnly;
- private List<Pair<Method, ParameterValues>> _setters;
+ private Map<Method, ParameterValues> setters;
/**
- * Constructs the setter configuration. By default all setters are added.
+ * Constructs the setter configuration. By default no setters are added.
*
* @param aClass
* Class which is being configured.
*/
public SetterConfiguration(Class aClass) {
_class = aClass;
- _publicOnly = true;
- _setters = getAllSetters(_class, _publicOnly);
+ publicOnly = true;
+ setters = new HashMap<Method, ParameterValues>();
+ }
+
+ /**
+ * Makes sure that all available setters are used.
+ */
+ public SetterConfiguration initAllSetters() {
+ setters.clear();
+ for (Method method: getAllSetters(_class, publicOnly) ) {
+ setters.put(method, createParameterValues(method));
+ }
+ return this;
}
/**
* Called to set whether non-public setters are also used. By default only
- * public setters are used.
+ * public setters are used. The currently selected setters remain chosen.
*
* @param aIsNonPublic
* Non public flag.
*/
- public void setNonPublic(boolean aIsNonPublic) {
- _publicOnly = !aIsNonPublic;
- _setters = getAllSetters(_class, _publicOnly);
+ public SetterConfiguration setNonPublic(boolean aIsNonPublic) {
+ publicOnly = !aIsNonPublic;
+ return this;
}
/**
* @return Reference to the current object to allow call chaining.
*/
public SetterConfiguration clear() {
- _setters.clear();
+ setters.clear();
return this;
}
* Removes a setter from the set of methods.
*
* @param aName
- * Name of the setter to remove (without the "set" prefix).
+ * Name of the setter to remove.
* @return Reference to the current object to allow call chaining.
*/
public SetterConfiguration remove(String aName) {
- final String name = createSetterName(aName);
- List<Pair<Method, ParameterValues>> setters = new ArrayList<Pair<Method, ParameterValues>>();
- CollectionFilter.filter(_setters, setters,
- new Condition<Pair<Method, ParameterValues>>() {
+ for (Method method : setters.keySet()) {
+ if (method.getName().equals(aName)) {
+ setters.remove(method);
+ return this;
+ }
+ }
+ throw new IllegalArgumentException(
+ "No method configured by the name of '" + aName + "'");
+ }
+
+ /**
+ * Removes the method from the set of methods.
+ * @param aMethod Method to remove.
+ * @return
+ */
+ public SetterConfiguration remove(Method aMethod) {
+ if ( !aMethod.getDeclaringClass().isAssignableFrom(_class) ) {
+ throw new RuntimeException("Method " + aMethod + " not found in class " + _class + " or its superclasses");
+ }
+ for (Method method : setters.keySet()) {
+ if (method.equals(aMethod)) {
+ setters.remove(method);
+ return this;
+ }
+ }
+ throw new IllegalArgumentException(
+ "Method '" + aMethod + "' was not configured. ");
+ }
+
+ /**
+ * Adds a given setter name to the setters.
+ *
+ * @param aName Name of a setter method.
+ * @return Reference to the current object to allow call chaining.
+ */
+ public SetterConfiguration add(final String aName) {
+ int oldlen = setters.size();
+ List<Method> methods = new ArrayList<Method>();
+ CollectionFilter.filter(getAllSetters(_class, publicOnly), methods,
+ new Condition<Method>() {
@Override
- public boolean matches(Pair<Method, ParameterValues> aObject) {
- return !aObject.getFirst().getName().equals(name);
+ public boolean matches(Method aObject) {
+ return aObject.getName().equals(aName);
}
});
- if (_setters.size() == setters.size()) {
- throw new IllegalArgumentException(
- "No setter configured by the name of '" + aName + "'");
+ if (methods.size() == 0 ) {
+ throw new IllegalArgumentException("Method '" + aName
+ + "' not found in " + _class.getName());
}
- _setters = setters;
+ // TODO is it possible to get more than one setter here in case the subclass overrides
+ // the baseclass method?
+ setters.put(methods.get(0), createParameterValues(methods.get(0)));
return this;
}
/**
- * Creates the name of a setter based on the name of the setter without the
- * "set" prefix.
+ * Adds a given setter identified by the type it accepts to the list of
+ * setters.N
*
- * @param aName
- * Setter name.
- * @return Setter name.
- */
- private String createSetterName(String aName) {
- return "set" + aName.substring(0, 1).toUpperCase() + aName.substring(1);
- }
-
- /**
- * Adds a given setter name to the setters.
- *
- * @param aName
+ * @param aType
+ * Type to look for. Note that this must be the exact type as
+ * autoboxing and autounboxing is not used.
* @return Reference to the current object to allow call chaining.
+ * @throws IllegalArgumentException
+ * In case no setter is found or multiple setters are found.
*/
- public SetterConfiguration add(String aName) {
- final String name = createSetterName(aName);
- int oldlen = _setters.size();
- CollectionFilter.filter(getAllSetters(_class, false), _setters,
- new Condition<Pair<Method, ParameterValues>>() {
+ public SetterConfiguration addSetter(final Class aType) {
+ List<Method> result = new ArrayList<Method>();
+ CollectionFilter.filter(getAllSetters(_class, publicOnly), result,
+ new Condition<Method>() {
@Override
- public boolean matches(Pair<Method, ParameterValues> aObject) {
- return aObject.getFirst().getName().equals(name);
+ public boolean matches(Method aObject) {
+ Class type = aObject.getParameterTypes()[0];
+ return type.equals(aType);
}
});
- if (_setters.size() == oldlen) {
- throw new IllegalArgumentException("No setter found for '" + aName
- + "' in " + _class.getName());
+ if (result.size() == 0) {
+ throw new IllegalArgumentException("No setter found in class '"
+ + _class.getName()
+ + "' that has a setter with argument type '"
+ + aType.getName() + "'");
}
+ if (result.size() > 1) {
+ String setters = "";
+ for (Method method : result) {
+ setters += method.getName() + " ";
+ }
+ throw new IllegalArgumentException(
+ "Multiple setters found in class '" + _class.getName()
+ + " that accept type '" + aType.getName() + "': "
+ + setters);
+ }
+ Method method = result.get(0);
+ setters.put(method, createParameterValues(method));
return this;
}
*
* @return List of all setters.
*/
- private static List<Pair<Method, ParameterValues>> getAllSetters(
- Class aClass, boolean aPublicOnly) {
- List<Pair<Method, ParameterValues>> result = new ArrayList<Pair<Method, ParameterValues>>();
+ public static List<Method> getAllSetters(Class aClass,
+ boolean aPublicOnly) {
+ List<Method> result = new ArrayList<Method>();
for (Method method : getAllMethods(aClass)) {
if (!aPublicOnly || Modifier.isPublic(method.getModifiers())) {
if (method.getName().startsWith("set")
&& method.getParameterTypes().length == 1) {
method.setAccessible(true);
- String name = getSetterName(method);
- result
- .add(new Pair<Method, ParameterValues>(method,
- new ParameterValues(new String[] { name },
- new Class[] { method
- .getParameterTypes()[0] })));
+ result.add(method);
}
}
}
return result;
}
+ private static ParameterValues createParameterValues(Method aMethod) {
+
+ Class[] paramTypes = aMethod.getParameterTypes();
+ String[] paramNames = new String[paramTypes.length];
+ for (int i = 0; i < paramTypes.length; i++) {
+ paramNames[i] = aMethod.getName() + "." + i;
+ }
+ return new ParameterValues(paramNames, paramTypes);
+ }
+
private static final List<Method> getAllMethods(Class aClass) {
- List<Method> result = new ArrayList<Method>();
- result.addAll(Arrays.asList(aClass.getDeclaredMethods()));
- Class superClass = aClass.getSuperclass();
- if ( superClass != null ) {
- result.addAll(getAllMethods(superClass));
- }
- return result;
- }
+ return ReflectionUtils.getAllMethods(aClass);
+ }
/**
* Gets the required interfaces based on the configured setteres.
*/
public List<RequiredInterface> getRequiredInterfaces() {
List<RequiredInterface> result = new ArrayList<RequiredInterface>();
- for (Pair<Method, ParameterValues> method : _setters) {
- result.addAll(method.getSecond().getRequiredInterfaces());
+ for (Method method : setters.keySet()) {
+ result.addAll(setters.get(method).getRequiredInterfaces());
}
return result;
}
throw new IllegalArgumentException("Object '" + aObject
+ "' is not an instance of " + _class.getName());
}
- for (Pair<Method, ParameterValues> setter : _setters) {
- Method method = setter.getFirst();
- ParameterValues values = setter.getSecond();
+ for (Method method : setters.keySet()) {
+ ParameterValues values = setters.get(method);
try {
method.invoke(aObject, values.values(aScope));
* @return Parameter values.
*/
public ParameterValues values(String aMethod) {
- String name = createSetterName(aMethod);
- for (Pair<Method, ParameterValues> method : _setters) {
- if (method.getFirst().getName().equals(name)) {
- return method.getSecond();
+ for (Method method : setters.keySet()) {
+ if (method.getName().equals(aMethod)) {
+ return setters.get(method);
}
}
- throw new IllegalArgumentException("No setter method '" + name
+ throw new IllegalArgumentException("No setter method '" + aMethod
+ "' found");
}
- /**
- * Gets the setter name for a given setter method. This is the name of the
- * setter without the "set" prefix and with the first character converted to
- * lowercase.
- *
- * @param aMethod
- * Method.
- * @return Setter name.
- */
- private static String getSetterName(Method aMethod) {
- String result = aMethod.getName().substring(3);
- return result.substring(0, 1).toLowerCase() + result.substring(1);
+ public List<Method> getSetters() {
+ return new ArrayList<Method>(setters.keySet());
}
-
}
git://wamblee.org / utils / blobdiff