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author | Darrell Anderson <humanreadable@yahoo.com> | 2014-01-08 20:06:00 +0100 |
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committer | Slávek Banko <slavek.banko@axis.cz> | 2014-01-08 20:06:00 +0100 |
commit | 636f509299122d02087c6fd62e1e4a46dbd22026 (patch) | |
tree | 70e43efceeb5b00e7f19cdac8da44928bd2fb459 /qtjava/javalib/org/kde/qt/Invocation.java | |
parent | 719b61750c08343f530068ed4127623aeac71cf0 (diff) | |
download | tdebindings-636f509299122d02087c6fd62e1e4a46dbd22026.tar.gz tdebindings-636f509299122d02087c6fd62e1e4a46dbd22026.zip |
Rename many classes to avoid conflicts with KDE
Diffstat (limited to 'qtjava/javalib/org/kde/qt/Invocation.java')
-rw-r--r-- | qtjava/javalib/org/kde/qt/Invocation.java | 527 |
1 files changed, 0 insertions, 527 deletions
diff --git a/qtjava/javalib/org/kde/qt/Invocation.java b/qtjava/javalib/org/kde/qt/Invocation.java deleted file mode 100644 index a8d8f38e..00000000 --- a/qtjava/javalib/org/kde/qt/Invocation.java +++ /dev/null @@ -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(); - } - } -} |