svn-gvsig-desktop / trunk / org.gvsig.desktop / org.gvsig.desktop.library / org.gvsig.utils / src / main / java / org / gvsig / utils / PostProcessSupport.java @ 40561
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/**
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* gvSIG. Desktop Geographic Information System.
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*
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* Copyright (C) 2007-2013 gvSIG Association.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 3
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* For any additional information, do not hesitate to contact us
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* at info AT gvsig.com, or visit our website www.gvsig.com.
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*/
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package org.gvsig.utils; |
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import java.lang.reflect.InvocationTargetException; |
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import java.lang.reflect.Method; |
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import java.util.ArrayList; |
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/**
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* @author fjp
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*
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* Clase que recibe las llamadas que tiene que hacer cuando termine
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* la lectura de proyecto, por ejemplo. Recibir?a algo as? como Clase,
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* Nombre de funci?n a invocar, Par?metros y Prioridad.
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* Lo guarda en un array, ordena por prioridad y empieza a invocar.
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*/
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public class PostProcessSupport |
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{ |
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private static ArrayList callList = new ArrayList(); |
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private static class Call |
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{ |
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private Object obj; |
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private Method method; |
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private Object[] parameters; |
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private int priority; |
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public Call(Object obj, String strMethod, Object[] parameters, int priority) |
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{ |
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this.obj = obj;
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this.parameters = parameters;
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Class[] classParams = new Class[parameters.length]; |
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for (int i=0; i< parameters.length; i++) |
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classParams[i] = parameters[i].getClass(); |
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try {
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method = obj.getClass().getMethod(strMethod, classParams); |
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} catch (SecurityException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (NoSuchMethodException e) { |
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// Resulta que con getMethod no pilla bien el superinterface VectorialLegend,
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// as? que lo hacemos manual
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Method[] list = obj.getClass().getMethods(); |
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for (int i=0; i< list.length; i++) |
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{ |
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// System.err.println(list[i].toString());
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if (list[i].getName().compareTo(strMethod) == 0) |
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{ |
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boolean encontrado = true; |
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Class[] params = list[i].getParameterTypes(); |
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// En cada par?metro del m?todo, miramos si
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// el par?metro correspondiente implementa la interfaz
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// adecuada.
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for (int j=0; j < params.length; j++) // for de los par?metros del m?todo. |
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{ |
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// Miramos primero si es de la clase que buscamos, y si no lo es, pasamos
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// a revisar sus interfaces.
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boolean bParamOK = false; |
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// if (params[j].getName().compareTo(parameters[j].getClass().getName()) == 0)
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if ( params[j].isInstance(parameters[j]) )
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{ |
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bParamOK = true;
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continue;
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} |
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// Interfaces que implementa el par?metro j-?simo que le pasamos.
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Class[] theInterfaces = parameters[j].getClass().getInterfaces(); |
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for (int k=0; k< theInterfaces.length; k++) |
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{ |
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// Si alguno de estos interfaces cuadra con lo que
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// espera el m?todo, podemos comprobar el siguiente par?metro.
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// Si al salir del for externo, encontrado sigue siendo true,
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// hemos encontrado el m?todo que busc?bamos.
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if (theInterfaces[k].getName().compareTo(params[j].getName()) == 0) |
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{ |
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bParamOK = true;
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break;
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} |
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} |
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if (bParamOK == false) |
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{ |
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encontrado = false;
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break; // Vamos a por otro m?todo |
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} |
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} |
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if (encontrado)
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{ |
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method = list[i]; |
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return;
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} |
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} |
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} |
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e.printStackTrace(); |
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} |
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} |
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public Object executeMethod() throws IllegalArgumentException, IllegalAccessException, InvocationTargetException |
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{ |
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return method.invoke(obj,parameters);
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} |
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} |
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public static void addToPostProcess(Object obj, String strMethod, Object[] parameters, int priority) |
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{ |
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Call newCall = new Call(obj, strMethod, parameters, priority);
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callList.add(newCall); |
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} |
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public static void addToPostProcess(Object obj, String strMethod, Object parameter, int priority) |
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{ |
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Object[] parameters = new Object[1]; |
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parameters[0] = parameter;
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Call newCall = new Call(obj, strMethod, parameters, priority);
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callList.add(newCall); |
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} |
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private static void orderByPriority() |
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{ |
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// TODO
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} |
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public static void executeCalls() |
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{ |
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// TODO: Primero deber?amos ordenar por prioridad
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// por ahora no lo hago.
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orderByPriority(); |
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for (int i=0; i < callList.size(); i++) |
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{ |
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Call call = (Call) callList.get(i); |
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try {
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call.executeMethod(); |
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} catch (IllegalArgumentException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (IllegalAccessException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} catch (InvocationTargetException e) { |
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// TODO Auto-generated catch block
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e.printStackTrace(); |
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} |
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} |
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clearList(); |
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} |
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public static void clearList() |
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{ |
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callList.clear(); |
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} |
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} |