Android Open Source - nadia Signal Slot Pair

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Back to project page nadia.

License

The source code is released under:

GNU Lesser General Public License

Java Source Code

/*
 * SignalSlotPair.java//from  w  w w  .j av a2 s  . co m
 * 
 * Copyright (c) 2013, Emmanuel Arana Corzo. All rights reserved.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Lesser General Public
 * License as published by the Free Software Foundation; either
 * version 2.1 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this library; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
 * MA 02110-1301  USA
 */

package com.redarctic.nadia.ext.simplesignalslot;

import java.lang.reflect.InvocationTargetException;
import java.lang.reflect.Method;

/**
 * @author Emmanuel Arana Corzo <emmanuel.arana@gmail.com>
 */
public class SignalSlotPair {
  public static final String UNMATCHED_SIGNAL_DATA_TYPE = "Unmatched signalData type";

  public boolean matches(ISignalProvider signalProvider,
      SlotProviderMethodPair pair) {
    return (this.signalProvider_ == signalProvider) // identical reference
        && (this.slotProvider_ == pair.getSlotProvider())
        && (this.slotMethod_.equals(pair.getSlotMethod()));

  }

  public boolean matches(ISignalProvider signalProvider,
      ISlotProvider slotProvider) {
    return (this.signalProvider_ == signalProvider) // identical reference
        && (this.slotProvider_ == slotProvider);
  }

  public boolean matches(ISlotProvider slotProvider) {
    return (this.slotProvider_ == slotProvider); // identical reference
  }

  public boolean matches(ISignalProvider signalProvider) {
    return (this.signalProvider_ == signalProvider); // identical reference
  }

  public boolean matches(ISignalProvider signalProvider, String signalName) {
    return (this.signalProvider_ == signalProvider) // identical reference
        && this.signalName_.equals(signalName);
  }

  public boolean matches(ISignalProvider signalProvider, String signalName,
      SlotProviderMethodPair pair) {
    return (this.signalProvider_ == signalProvider)
        && this.signalName_.equals(signalName)
        && (this.slotProvider_ == pair.getSlotProvider())
        && (this.slotMethod_.equals(pair.getSlotMethod()));
  }

  /**
   * Invoke method of my slot provider.
   * 
   * @param signalData
   */
  public void invoke(Object signalData[]) {    
    try {
      // invoke the method
      this.slotMethod_.invoke(this.slotProvider_, signalData);
    } catch (IllegalArgumentException e) {
      e.printStackTrace();
    } catch (IllegalAccessException e) {
      e.printStackTrace();
    } catch (InvocationTargetException e) {
      e.printStackTrace();
    }
  }

  public SignalSlotPair(ISignalProvider signalProvider, String signalName,
      SlotProviderMethodPair slotProviderMethodPair) {
    this.signalProvider_ = signalProvider;
    this.signalName_ = signalName;
    this.slotProvider_ = slotProviderMethodPair.getSlotProvider();
    this.slotMethod_ = slotProviderMethodPair.getSlotMethod();
  }

  public String toString() {
    return "[" + this.getClass().getName() + ":" + "signalProvider_:"
        + signalProvider_.toString() + ";" + "signalName_:"
        + signalName_ + ";" + "slotProvider_:"
        + slotProvider_.toString() + ";" + "slotMethod_:" + slotMethod_
        + ";" + "]";
  }

  private ISignalProvider signalProvider_;
  private String signalName_;
  private ISlotProvider slotProvider_;
  private Method slotMethod_;
}

Java Source Code List

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