Cacher is the code snippet organizer for pro developers

import java.util.ArrayList;
import java.lang.reflect.*;

public class ReflectionExample {
  ArrayList<Object> registeredModels;

  ReflectionExample() {
    registeredModels = new ArrayList<Object>();
  }

  public void addModel(Object model) {
    registeredModels.add(model);
  }

  public void callAllFooWithParam(int param) {
    for (Object model: registeredModels) {
      Class c = model.getClass();
      Class parTypes[] = new Class[1];
      parTypes[0] = Integer.TYPE;
      try {
        Method m = c.getMethod("foo", parTypes);
        Object argList[] = new Object[1];
        argList[0] = new Integer(param);
        m.invoke(model, argList);
      } catch (Throwable e) {
        // Just skip, this model didn't have a function called foo().
      }
    }
  }

  public void callAllFooParamless() {
    for (Object model: registeredModels) {
      Class c = model.getClass();
      Class parTypes[] = null;
      try {
        Method m = c.getMethod("foo", parTypes);
        Object argList[] = null;
        m.invoke(model, argList);
        } catch (Throwable e) {
          // Do nothing
        }
     }
  }

  public void set(String field, Object value) {
    for (Object model: registeredModels) {
      Class c = model.getClass();
      try {
        Field f = c.getDeclaredField(field);
        f.set(this, value);
      } catch (Exception e) {
        //System.err.println("Field does not exist: " + name + "(" + e.getMessage() + ")");
      }
    }
  }

  public ArrayList<Object> get(String field) {
    ArrayList<Object>retval = new ArrayList<Object>();
    for (Object model: registeredModels) {
      Class c = model.getClass();
      try {
        Field f = c.getDeclaredField(field);
        retval.add((Object)f.get(this));
      } catch (Exception e) {
        //System.err.println("Field does not exist: " + name + " (" + e.getMessage() + ")");
      }
    }
    return retval;
  }
}