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Implemented Class iterator for plugin manager

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Ziver Koc 2016-06-19 17:53:04 +02:00
parent 095109eb41
commit 5a328913ed
1 changed files with 46 additions and 3 deletions
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49
src/zutil/plugin/PluginManager.java
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@ -98,7 +98,10 @@ public class PluginManager<T> implements Iterable<PluginData>{
return plugins.values().iterator();
}
public <T> Iterator<T> getObjectIterator(Class<T> intf) {
return new PluginInterfaceIterator<T>(plugins.values().iterator(), intf);
return new PluginObjectIterator<T>(plugins.values().iterator(), intf);
}
public <T> Iterator<Class<? extends T>> getClassIterator(Class<T> intf) {
return new PluginClassIterator<T>(plugins.values().iterator(), intf);
}
public ArrayList<PluginData> toArray() {
@ -115,12 +118,52 @@ public class PluginManager<T> implements Iterable<PluginData>{
}
public static class PluginInterfaceIterator<T> implements Iterator<T> {
public static class PluginClassIterator<T> implements Iterator<Class<? extends T>> {
private Class<T> intf;
private Iterator<PluginData> pluginIt;
private Iterator<Class<?>> classIt;
PluginClassIterator(Iterator<PluginData> it, Class<T> intf){
this.intf = intf;
this.pluginIt = it;
}
@Override
public boolean hasNext() {
if(pluginIt == null)
return false;
if(classIt != null && classIt.hasNext())
return true;
while(pluginIt.hasNext()) {
classIt = pluginIt.next().getClassIterator(intf);
if(classIt.hasNext())
return true;
}
classIt = null;
return false;
}
@Override
public Class<? extends T> next() {
if(!hasNext())
throw new NoSuchElementException();
return (Class<? extends T>) classIt.next();
}
@Override
public void remove() {
throw new RuntimeException("Iterator is ReadOnly");
}
}
public static class PluginObjectIterator<T> implements Iterator<T> {
private Class<T> intf;
private Iterator<PluginData> pluginIt;
private Iterator<T> objectIt;
PluginInterfaceIterator(Iterator<PluginData> it, Class<T> intf){
PluginObjectIterator(Iterator<PluginData> it, Class<T> intf){
this.intf = intf;
this.pluginIt = it;
}