package com.googlecode.gwt.test.internal;
import java.util.HashMap;
import java.util.Map;
import java.util.Set;
import javassist.CtClass;
import javassist.NotFoundException;
import com.googlecode.gwt.test.exceptions.GwtTestPatchException;
class PatcherFactory {
private static final CtClass jsoClass = GwtClassPool.getClass("com.google.gwt.core.client.JavaScriptObject");
private final Map<String, Patcher> patchers;
PatcherFactory(Map<String, Set<CtClass>> patchClassMap) {
this.patchers = new HashMap<String, Patcher>();
for (Map.Entry<String, Set<CtClass>> entry : patchClassMap.entrySet()) {
Patcher patcher = createPatcher(entry.getValue());
if (patcher != null) {
patchers.put(entry.getKey(), patcher);
}
}
}
Patcher createPatcher(CtClass classToPatch) {
Patcher patcher = patchers.get(classToPatch.getName());
try {
if (classToPatch.subtypeOf(jsoClass) && classToPatch != jsoClass) {
patcher = new OverlayPatcher(patcher);
}
} catch (NotFoundException e) {
// should never happen
throw new GwtTestPatchException(e);
}
return patcher;
}
private Patcher createPatcher(Set<CtClass> patchClasses) {
if (patchClasses != null && patchClasses.size() > 0) {
return new AutomaticPatcher(patchClasses);
} else {
return null;
}
}
}