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-rw-r--r--qtjava/javalib/org/kde/qt/Invocation.java527
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diff --git a/qtjava/javalib/org/kde/qt/Invocation.java b/qtjava/javalib/org/kde/qt/Invocation.java
deleted file mode 100644
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--- a/qtjava/javalib/org/kde/qt/Invocation.java
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@@ -1,527 +0,0 @@
-/***************************************************************************
- Invocation.java - description
- -------------------
- begin : Tue Oct 31 06:12:14 2000
- copyright : (C) 2000-2002 Lost Highway Ltd. All rights reserved.
- email : Lost_Highway@tipitina.demon.co.uk
- written by : Richard Dale.
- ***************************************************************************/
-
-/***************************************************************************
- * *
- * This program is free software; you can redistribute it and/or modify *
- * it under the terms of the GNU General Public License as published by *
- * the Free Software Foundation; either version 2 of the License, or *
- * (at your option) any later version. *
- * *
- ***************************************************************************/
-
-package org.kde.qt;
-
-import java.util.*;
-import java.lang.reflect.*;
-
-/** A utility class for creating a closure to invoke later - when a Java
- slot or event handler needs to be activated
-
- @author Richard Dale <Richard_Dale@tipitina.demon.co.uk>
- */
-public class Invocation {
- /** The target object */
- private Object onThis;
- /** Arguments from an emitted signal to pass to the slot method */
- private Object[] arguments;
- /** The Java method that implements the slot, (or emit() for a signal target) */
- private Method method;
- /** An optional instance variable, used when the target is a signal,
- rather than a slot. */
- private String signalName;
-
- /** Converts a type signature from a Qt signal or slot to an array of
- Class objects corresponding to the Java types of the parameters */
- private static Class[] fromQtTypeSignature(String qtTypeSignature) {
- ArrayList parameterTypes = new ArrayList();
- StringTokenizer tokenizer = new StringTokenizer(qtTypeSignature, ",");
-
- while (tokenizer.hasMoreTokens()) {
- String token = tokenizer.nextToken();
-
- if (token.equals("")) {
- parameterTypes.add(null);
- } else if (token.equals("boolean")) {
- parameterTypes.add(boolean.class);
- } else if (token.equals("char")) {
- parameterTypes.add(char.class);
- } else if (token.equals("long")) {
- parameterTypes.add(long.class);
- } else if (token.equals("int")) {
- parameterTypes.add(int.class);
- } else if (token.equals("short")) {
- parameterTypes.add(short.class);
- } else if (token.equals("float")) {
- parameterTypes.add(float.class);
- } else if (token.equals("double")) {
- parameterTypes.add(double.class);
- } else if (token.equals("int[]")) {
- parameterTypes.add(int[].class);
- } else if (token.equals("byte[]")) {
- parameterTypes.add(byte[].class);
- } else {
- try {
- parameterTypes.add(Class.forName(token));
- } catch (ClassNotFoundException e) {
- Qt.tqWarning("TQObject.connect: No such argument type: " + token);
- return null;
- }
- }
- }
-
- return (Class[]) parameterTypes.toArray(new Class[0]);
- }
-
- /** Contained in a C++ JavaSlot instance, allows the JavaSlot to act as a proxy for the Java method to be invoked.
- The method name in the slot string is converted to a Java Method instance, and the arguments to a suitable
- Class[] structure, as the corresponding argument type list. */
- Invocation(Object target, String receiverString) {
- Method targetMethod = null;
- Class targetClass = null;
- String methodName;
- Class[] parameterTypes;
-
- if (receiverString.startsWith("2")) {
- // Target is a signal
- methodName = "emit";
- parameterTypes = new Class[] {java.lang.String.class, Object[].class};
- signalName = receiverString;
- } else {
- // Target is a slot
- methodName = receiverString.substring(1, receiverString.indexOf('('));
- parameterTypes = fromQtTypeSignature(receiverString.substring( receiverString.indexOf('(') + 1,
- receiverString.indexOf(')') ) );
- if (parameterTypes == null) {
- return;
- }
- signalName = null;
- }
-
- // A slot can either be public or protected. However, it isn't possible
- // to obtain inherited protected members using getMethod() or
- // getDeclaredMethod(). Hence, the apparently over complicated loop here.
- targetClass = target.getClass();
-
- do {
- try {
- targetMethod = targetClass.getDeclaredMethod(methodName, parameterTypes);
- } catch (NoSuchMethodException e1) {
- try {
- targetMethod = targetClass.getMethod(methodName, parameterTypes);
- } catch (NoSuchMethodException e2) {
- ;
- }
- }
-
- if (targetMethod != null) {
- onThis = target;
- arguments = null;
- method = targetMethod;
- method.setAccessible(true);
- return;
- }
-
- targetClass = targetClass.getSuperclass();
- } while (targetClass != null);
-
- System.out.print("TQObject.connect: No such slot " + methodName + "(");
- for (int index = 0; index < parameterTypes.length; index++) {
- System.out.print(parameterTypes[index].toString());
-
- if (index + 1 < parameterTypes.length) {
- System.out.print(",");
- }
- }
- System.out.println(")");
- return;
- }
-
- Invocation(Object target, Object[] args, Method aMethod) {
- onThis = target;
- arguments = args;
- method = aMethod;
- method.setAccessible(true);
- }
-
- public void setArguments(Object[] args) {
- arguments = args;
- }
-
- /** Not used at present, here for completeness */
- public Object invoke() throws IllegalAccessException, InvocationTargetException {
- try {
- Object result = method.invoke(onThis, arguments);
- } catch (InvocationTargetException e) {
- return null;
- } catch (IllegalAccessException e) {
- return null;
- } finally {
- return null;
- }
- }
-
- /** Used for Java slot/signal targets, handles callbacks */
- public Object invoke(Object[] args) throws IllegalAccessException, InvocationTargetException {
- if (signalName != null) {
- // If the target is a signal, then there are two parameters needed for TQObject.emit().
- // A signal name, followed by an array of arguments to be emitted.
- Object[] emitArgs = new Object[2];
- emitArgs[0] = signalName;
- emitArgs[1] = args;
- setArguments(emitArgs);
- } else {
- // If the target is a slot, then just pass on the arguments to the target slot
- setArguments(args);
- }
-
- try {
- Object result = method.invoke(onThis, arguments);
- } catch (InvocationTargetException e) {
- Qt.tqWarning("Slot invocation failed");
- e.printStackTrace();
- return null;
- } catch (IllegalAccessException e) {
- Qt.tqWarning("Slot invocation failed");
- e.printStackTrace();
- return null;
- } finally {
- return null;
- }
- }
-
- /** Used for boolean slot handling callbacks */
- public Object invoke(boolean arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = new Boolean(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to byte (ie unsigned char in C++) Java slot handling callbacks */
- public Object invoke(byte arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = new Byte(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to char Java slot handling callbacks */
- public Object invoke(char arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = new Character(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to short Java slot handling callbacks */
- public Object invoke(short arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = new Short(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to int Java slot handling callbacks */
- public Object invoke(int arg) throws IllegalAccessException, InvocationTargetException{
- arguments = new Object[1];
- arguments[0] = new Integer(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to long Java slot handling callbacks */
- public Object invoke(long arg) throws IllegalAccessException, InvocationTargetException{
- arguments = new Object[1];
- arguments[0] = new Long(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender float Java slot handling callbacks */
- public Object invoke(float arg) throws IllegalAccessException, InvocationTargetException{
- arguments = new Object[1];
- arguments[0] = new Float(arg);
- return invoke(arguments);
- }
-
- /** Used for C++ sender to double Java slot handling callbacks */
- public Object invoke(double arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = new Double(arg);
- return invoke(arguments);
- }
-
- public Object invoke(Object arg) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[1];
- arguments[0] = arg;
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, byte[] arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = arg1;
- arguments[1] = arg2;
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, Object arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = arg1;
- arguments[1] = arg2;
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, Object arg2, Object arg3) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[3];
- arguments[0] = arg1;
- arguments[1] = arg2;
- arguments[2] = arg3;
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, Object arg2, Object arg3, Object arg4) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[4];
- arguments[0] = arg1;
- arguments[1] = arg2;
- arguments[2] = arg3;
- arguments[3] = arg4;
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, boolean arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = arg1;
- arguments[1] = new Boolean(arg2);
- return invoke(arguments);
- }
-
- public Object invoke(Object arg1, Object arg2, int arg3) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[3];
- arguments[0] = arg1;
- arguments[1] = arg2;
- arguments[2] = new Integer(arg3);
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, Object arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = new Integer(arg1);
- arguments[1] = arg2;
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, Object arg2, Object arg3) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[3];
- arguments[0] = new Integer(arg1);
- arguments[1] = arg2;
- arguments[2] = arg3;
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, Object arg2, Object arg3, int arg4) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[3];
- arguments[0] = new Integer(arg1);
- arguments[1] = arg2;
- arguments[2] = arg3;
- arguments[3] = new Integer(arg4);
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, boolean arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = new Integer(arg1);
- arguments[1] = new Boolean(arg2);
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, int arg2) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[2];
- arguments[0] = new Integer(arg1);
- arguments[1] = new Integer(arg2);
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, int arg2, int arg3) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[3];
- arguments[0] = new Integer(arg1);
- arguments[1] = new Integer(arg2);
- arguments[2] = new Integer(arg3);
- return invoke(arguments);
- }
-
- public Object invoke(int arg1, int arg2, int arg3, Object arg4) throws IllegalAccessException, InvocationTargetException {
- arguments = new Object[4];
- arguments[0] = new Integer(arg1);
- arguments[1] = new Integer(arg2);
- arguments[2] = new Integer(arg3);
- arguments[2] = arg4;
- return invoke(arguments);
- }
-
- /** Invoke the named void method on the target object with no arguments. Returns true
- if the target method was successfully invoked. */
- public static boolean invoke(long target, String className, String methodName) throws NoSuchMethodException, ClassNotFoundException {
- Method method;
- Object onThis = qtjava.objectForQtKey(target, className, false);
-
- try {
- method = onThis.getClass().getMethod(methodName, (Class[]) null);
- } catch (NoSuchMethodException e1) {
- try {
- method = onThis.getClass().getDeclaredMethod(methodName, (Class[]) null);
- } catch (NoSuchMethodException e2) {
- return false;
- }
- }
-
- // Ignore any native code event handling methods
- if ((method.getModifiers() & Modifier.NATIVE) != 0) {
- return false;
- }
-
- try {
- method.setAccessible(true);
- Object result = method.invoke(onThis, (Class[]) null);
- return true;
- } catch (InvocationTargetException e) {
- Qt.tqWarning("Invocation failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return false;
- } catch (IllegalAccessException e) {
- Qt.tqWarning("Invocation failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return false;
- }
- }
- /** Invoke the named method on the target object with no arguments. Returns false
- iff the target method was successfully invoked AND returned false. Unlike the other
- variants of boolean invoke(), this method returns true if no target java method exists.
- Used for boolean callbacks such as TDEMainWindow::queryClose() */
- public static boolean booleanInvoke(long target, String methodName) throws NoSuchMethodException, ClassNotFoundException {
- Method method;
- Object onThis = qtjava.objectForQtKey(target, "TQObject", false);
-
- try {
- method = onThis.getClass().getMethod(methodName, (Class[]) null);
- } catch (NoSuchMethodException e1) {
- try {
- method = onThis.getClass().getDeclaredMethod(methodName, (Class[]) null);
- } catch (NoSuchMethodException e2) {
- return true;
- }
- }
-
- // Ignore any native code event handling methods
- if ((method.getModifiers() & Modifier.NATIVE) != 0) {
- return true;
- }
-
- try {
- method.setAccessible(true);
- Object result = method.invoke(onThis, (Class[]) null);
- return ((Boolean) result).booleanValue();
- } catch (InvocationTargetException e) {
- Qt.tqWarning("Invocation failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return true;
- } catch (IllegalAccessException e) {
- Qt.tqWarning("Invocation failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return true;
- }
- }
-
- /** Invoke the named method on the target object with a single argument. Returns true
- if the method was successfully invoked, otherwise false.
- Used for event handling callbacks */
- public static boolean invoke(long target, long arg, String argClass, String methodName) throws NoSuchMethodException, ClassNotFoundException {
- Method method = null;
- Class[] parameterType = new Class[1];
- parameterType[0] = Class.forName(qtjava.toFullyQualifiedClassName(argClass));
- Object onThis = qtjava.objectForQtKey(target, "org.kde.qt.TQObject", false);
-
- Class targetClass = onThis.getClass();
-
- do {
- try {
- method = targetClass.getDeclaredMethod(methodName, parameterType);
- method.setAccessible(true);
- break;
- } catch (NoSuchMethodException e1) {
- }
-
- targetClass = targetClass.getSuperclass();
- } while (targetClass != null);
-
- if (targetClass == null) {
- return false;
- }
-
- // Ignore any native code event handling methods
- if ((method.getModifiers() & Modifier.NATIVE) != 0) {
- return false;
- }
-
- Object[] arguments = new Object[1];
- arguments[0] = qtjava.objectForQtKey(arg, argClass, false);
-
- try {
- // Invoke the event handler
- Object result = method.invoke(onThis, arguments);
-
- // The event will no longer be referenced, so force remove its java mapping entry.
- qtjava.removeObjectForQtKey(arg);
- } catch (InvocationTargetException e) {
- Qt.tqWarning("Event handler failed : " + onThis.getClass().getName() + "." + methodName + "(" + qtjava.toFullyQualifiedClassName(argClass) + " event)");
- e.printStackTrace();
- return false;
- } catch (IllegalAccessException e) {
- Qt.tqWarning("Event handler failed : " + onThis.getClass().getName() + "." + methodName + "(" + qtjava.toFullyQualifiedClassName(argClass) + " event)");
- e.printStackTrace();
- return false;
- } finally {
- return true;
- }
- }
-
- /** Invoke the named method on the target object with two arguments. Returns true
- if the method was successfully invoked, otherwise false.
- Used for event filter callbacks */
- public static boolean invoke(long target, long arg1, String arg1class, long arg2, String arg2class, String methodName) throws NoSuchMethodException, ClassNotFoundException {
- Method method;
- Boolean result = null;
- Object[] arguments = new Object[2];
- arguments[0] = qtjava.objectForQtKey(arg1, arg1class, false);
- arguments[1] = qtjava.objectForQtKey(arg2, arg2class, false);
-
- Class[] parameterTypes = new Class[] { TQObject.class, TQEvent.class };
- Object onThis = qtjava.objectForQtKey(target, "TQObject", false);
-
- try {
- method = onThis.getClass().getMethod(methodName, parameterTypes);
- method.setAccessible(true);
- } catch (NoSuchMethodException e) {
- return false;
- }
-
- // Ignore any native code event handling methods
- if ((method.getModifiers() & Modifier.NATIVE) != 0) {
- return false;
- }
-
- try {
- result = (Boolean) method.invoke(onThis, arguments);
- } catch (InvocationTargetException e) {
- Qt.tqWarning("Event filter failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return false;
- } catch (IllegalAccessException e) {
- Qt.tqWarning("Event filter failed : " + onThis.getClass().getName() + "." + methodName + "()");
- e.printStackTrace();
- return false;
- } finally {
- return result.booleanValue();
- }
- }
-}
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