| /******************************************************************************* |
| * Copyright (c) 2001, 2006 IBM Corporation and others. |
| * All rights reserved. This program and the accompanying materials |
| * are made available under the terms of the Eclipse Public License v1.0 |
| * which accompanies this distribution, and is available at |
| * http://www.eclipse.org/legal/epl-v10.html |
| * |
| * Contributors: |
| * IBM Corporation - initial API and implementation |
| *******************************************************************************/ |
| /* |
| * $RCSfile: IDEMethodProxyFactory.java,v $ $Revision: 1.14 $ $Date: 2006/05/17 20:13:05 $ |
| */ |
| package org.eclipse.jem.internal.proxy.ide; |
| |
| import java.lang.reflect.*; |
| import java.util.HashMap; |
| import java.util.Map; |
| |
| import org.eclipse.core.runtime.IStatus; |
| import org.eclipse.core.runtime.Status; |
| |
| import org.eclipse.jem.internal.proxy.common.AmbiguousMethodException; |
| import org.eclipse.jem.internal.proxy.common.MethodHelper; |
| import org.eclipse.jem.internal.proxy.core.*; |
| |
| public class IDEMethodProxyFactory implements IMethodProxyFactory { |
| |
| final protected IDEProxyFactoryRegistry fProxyFactoryRegistry; |
| |
| final protected static Map primLookup = new HashMap(); |
| |
| IDEBeanTypeProxy accessibleType, fieldType, methodType, constructorType; |
| // Cached copy of a few typical method type proxies. |
| static { |
| primLookup.put("int", Integer.TYPE); //$NON-NLS-1$ |
| primLookup.put("char", Character.TYPE); //$NON-NLS-1$ |
| primLookup.put("long", Long.TYPE); //$NON-NLS-1$ |
| primLookup.put("short", Short.TYPE); //$NON-NLS-1$ |
| primLookup.put("double", Double.TYPE); //$NON-NLS-1$ |
| primLookup.put("boolean", Boolean.TYPE); //$NON-NLS-1$ |
| primLookup.put("byte", Byte.TYPE); //$NON-NLS-1$ |
| primLookup.put("float", Float.TYPE); //$NON-NLS-1$ |
| } |
| |
| IDEMethodProxyFactory(IDEProxyFactoryRegistry aRegistry) { |
| fProxyFactoryRegistry = aRegistry; |
| fProxyFactoryRegistry.registerMethodProxyFactory(this); |
| accessibleType = new IDEBeanTypeProxy(aRegistry, AccessibleObject.class); |
| fieldType = new IDEFieldTypeProxy(aRegistry); |
| methodType = new IDEMethodTypeProxy(aRegistry); |
| constructorType = new IDEConstructorTypeProxy(aRegistry); |
| fProxyFactoryRegistry.getBeanTypeProxyFactory().registerBeanTypeProxy(accessibleType, true); |
| fProxyFactoryRegistry.getBeanTypeProxyFactory().registerBeanTypeProxy(fieldType, true); |
| fProxyFactoryRegistry.getBeanTypeProxyFactory().registerBeanTypeProxy(methodType, true); |
| fProxyFactoryRegistry.getBeanTypeProxyFactory().registerBeanTypeProxy(constructorType, true); |
| } |
| |
| /** |
| * Return an instance of an IDEConstructorProxy This is package protected because the only people who can use this are priveledge objects that |
| * have the aMethod instance. These are part of the idevm package only. If you have to make this method public you are doing things incorrectly. |
| * To get a method proxy you must use the interface methods on IMethodProxyFactory to do lookup by string or else on IBeanTypeProxy that has |
| * getMethod(String) as well |
| */ |
| IConstructorProxy getConstructorProxy(Constructor aConstructor) { |
| |
| return (IConstructorProxy) constructorType.newBeanProxy(aConstructor); |
| |
| } |
| |
| IConstructorProxy[] getConstructors(Class aClass) { |
| Constructor[] ctors = aClass.getConstructors(); |
| IConstructorProxy[] ctorProxies = new IConstructorProxy[ctors.length]; |
| for (int i = 0; i < ctors.length; i++) { |
| ctorProxies[i] = getConstructorProxy(ctors[i]); |
| } |
| return ctorProxies; |
| } |
| |
| IConstructorProxy[] getDeclaredConstructors(Class aClass) { |
| Constructor[] ctors = aClass.getDeclaredConstructors(); |
| IConstructorProxy[] ctorProxies = new IConstructorProxy[ctors.length]; |
| for (int i = 0; i < ctors.length; i++) { |
| ctorProxies[i] = getConstructorProxy(ctors[i]); |
| } |
| return ctorProxies; |
| } |
| |
| IConstructorProxy getConstructorProxy(Class aClass, Class[] args) { |
| |
| try { |
| Constructor ctor = aClass.getConstructor(args); |
| return getConstructorProxy(ctor); |
| } catch (NoSuchMethodException exc) { |
| return null; |
| } |
| } |
| |
| IConstructorProxy getDeclaredConstructorProxy(Class aClass, Class[] args) { |
| |
| try { |
| Constructor ctor = aClass.getDeclaredConstructor(args); |
| return getConstructorProxy(ctor); |
| } catch (NoSuchMethodException exc) { |
| return null; |
| } |
| } |
| |
| IFieldProxy[] getFields(Class aClass) { |
| Field[] fields = aClass.getFields(); |
| IFieldProxy[] fieldProxies = new IFieldProxy[fields.length]; |
| for (int i = 0; i < fields.length; i++) { |
| fieldProxies[i] = getFieldProxy(fields[i]); |
| } |
| return fieldProxies; |
| } |
| |
| IFieldProxy[] getDeclaredFields(Class aClass) { |
| Field[] fields = aClass.getDeclaredFields(); |
| IFieldProxy[] fieldProxies = new IFieldProxy[fields.length]; |
| for (int i = 0; i < fields.length; i++) { |
| fieldProxies[i] = getFieldProxy(fields[i]); |
| } |
| return fieldProxies; |
| } |
| |
| /** |
| * Return an instance of an IDEFieldProxy This is package protected because the only people who can use this are priveledge objects that have the |
| * aField instance. These are part of the idevm package only. If you have to make this method public you are doing things incorrectly. To get a |
| * field proxy you must use the interface methods on IBeanTypeProxy that has getField(String) as well |
| */ |
| IFieldProxy getFieldProxy(Field aField) { |
| |
| return (IFieldProxy) fieldType.newBeanProxy(aField); |
| |
| } |
| |
| /* (non-Javadoc) |
| * @see org.eclipse.jem.internal.proxy.core.IMethodProxyFactory#getFieldProxy(org.eclipse.jem.internal.proxy.core.IExpression, java.lang.String, java.lang.String) |
| */ |
| public IProxyField getFieldProxy(IExpression expression, String className, String fieldName) { |
| // We are getting the class resolved through the expression. Might as well because it probably will |
| // be needed again and this way when the expression is finished they will be resolved for later usage. |
| IStandardBeanTypeProxyFactory beanTypeProxyFactory = fProxyFactoryRegistry.getBeanTypeProxyFactory(); |
| IProxyBeanType beanType = beanTypeProxyFactory.getBeanTypeProxy(expression, className); |
| return beanType.getFieldProxy(expression, fieldName); |
| } |
| |
| /** |
| * Return an instance of an IDEMethodProxy This is package protected because the only people who can use this are priveledge objects that have the |
| * aMethod instance. These are part of the idevm package only. If you have to make this method public you are doing things incorrectly. To get a |
| * method proxy you must use the interface methods on IMethodProxyFactory to do lookup by string or else on IBeanTypeProxy that has |
| * getMethod(String) as well |
| */ |
| IDEMethodProxy getMethodProxy(Method aMethod) { |
| |
| return (IDEMethodProxy) methodType.newBeanProxy(aMethod); |
| |
| } |
| |
| public IMethodProxy getMethodProxy(String className, String methodName, String[] parameterTypes) { |
| try { |
| Class aClass = fProxyFactoryRegistry.loadClass(className); |
| return getMethodProxy(aClass, methodName, parameterTypes); |
| } catch (ClassNotFoundException exc) { |
| ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", exc)); //$NON-NLS-1$ |
| return null; |
| } |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jem.internal.proxy.core.IMethodProxyFactory#getMethodProxy(org.eclipse.jem.internal.proxy.core.IExpression, java.lang.String, java.lang.String, java.lang.String[]) |
| */ |
| public IProxyMethod getMethodProxy(IExpression expression, String className, String methodName, String[] parameterTypes) { |
| // We are getting the class and parmtypes resolved through the expression. Might as well because they probably will |
| // be needed again and this way when the expression is finished they will be resolved for later usage. |
| IStandardBeanTypeProxyFactory beanTypeProxyFactory = fProxyFactoryRegistry.getBeanTypeProxyFactory(); |
| IProxyBeanType beanType = beanTypeProxyFactory.getBeanTypeProxy(expression, className); |
| IProxyBeanType[] parmTypes = getParameterTypes(expression, parameterTypes, beanTypeProxyFactory); |
| return beanType.getMethodProxy(expression, methodName, parmTypes); |
| } |
| |
| /** |
| * Helper method for Beantypes and Proxy bean types to get the proxy. |
| * @param expression |
| * @param classType |
| * @param methodName |
| * @param parameterTypes |
| * @return |
| * |
| * @since 1.1.0 |
| */ |
| public IProxyMethod getMethodProxy(IExpression expression, IProxyBeanType classType, String methodName, String[] parameterTypes) { |
| // We are getting the parmtypes resolved through the expression. Might as well because they probably will |
| // be needed again and this way when the expression is finished they will be resolved for later usage. |
| IStandardBeanTypeProxyFactory beanTypeProxyFactory = fProxyFactoryRegistry.getBeanTypeProxyFactory(); |
| IProxyBeanType[] parmTypes = getParameterTypes(expression, parameterTypes, beanTypeProxyFactory); |
| return classType.getMethodProxy(expression, methodName, parmTypes); |
| } |
| |
| /** |
| * @param expression |
| * @param parameterTypes |
| * @param beanTypeProxyFactory |
| * @return |
| * |
| * @since 1.1.0 |
| */ |
| protected IProxyBeanType[] getParameterTypes(IExpression expression, String[] parameterTypes, IStandardBeanTypeProxyFactory beanTypeProxyFactory) { |
| IProxyBeanType[] parmTypes; |
| if (parameterTypes == null || parameterTypes.length == 0) |
| parmTypes = null; |
| else { |
| parmTypes = new IProxyBeanType[parameterTypes.length]; |
| for (int i = 0; i < parameterTypes.length; i++) { |
| parmTypes[i] = beanTypeProxyFactory.getBeanTypeProxy(expression, parameterTypes[i]); |
| } |
| } |
| return parmTypes; |
| } |
| |
| public IMethodProxy getMethodProxy(Class cls, String methodName, String[] parameterTypes) { |
| try { |
| Class[] parmClasses = null; |
| if (parameterTypes != null) { |
| parmClasses = new Class[parameterTypes.length]; |
| for (int i = 0; i < parmClasses.length; i++) { |
| Class temp = (Class) primLookup.get(parameterTypes[i]); |
| if (temp == null) |
| temp = fProxyFactoryRegistry.loadClass(parameterTypes[i]); |
| parmClasses[i] = temp; |
| } |
| } |
| return getMethodProxy(cls.getMethod(methodName, parmClasses)); |
| } catch (ClassNotFoundException e) { |
| ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$ |
| } catch (NoSuchMethodException e) { |
| ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$ |
| } |
| return null; |
| } |
| |
| IMethodProxy getDeclaredMethodProxy(Class cls, String methodName, String[] parameterTypes) { |
| try { |
| Class[] parmClasses = null; |
| if (parameterTypes != null) { |
| parmClasses = new Class[parameterTypes.length]; |
| for (int i = 0; i < parmClasses.length; i++) { |
| Class temp = (Class) primLookup.get(parameterTypes[i]); |
| if (temp == null) |
| temp = fProxyFactoryRegistry.loadClass(parameterTypes[i]); |
| parmClasses[i] = temp; |
| } |
| } |
| return getMethodProxy(cls.getDeclaredMethod(methodName, parmClasses)); |
| } catch (ClassNotFoundException e) { |
| ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$ |
| } catch (NoSuchMethodException e) { |
| ProxyPlugin.getPlugin().getLogger().log(new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "", e)); //$NON-NLS-1$ |
| } |
| return null; |
| } |
| |
| IDEMethodProxy getMethodProxy(Class aClass, String methodName, Class[] args) { |
| try { |
| Method method = aClass.getMethod(methodName, args); |
| return getMethodProxy(method); |
| } catch (NoSuchMethodException exc) { |
| ProxyPlugin.getPlugin().getLogger().log( |
| new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "Unable to find method " + aClass.getName() //$NON-NLS-1$ |
| + ":" + methodName + " args=" + args, exc)); //$NON-NLS-1$ //$NON-NLS-2$ |
| return null; |
| } |
| } |
| |
| IMethodProxy getDeclaredMethodProxy(Class aClass, String methodName, Class[] args) { |
| try { |
| Method method = aClass.getDeclaredMethod(methodName, args); |
| return getMethodProxy(method); |
| } catch (NoSuchMethodException exc) { |
| ProxyPlugin.getPlugin().getLogger().log( |
| new Status(IStatus.WARNING, ProxyPlugin.getPlugin().getBundle().getSymbolicName(), 0, "Unable to find method " + aClass.getName() //$NON-NLS-1$ |
| + ":" + methodName + " args=" + args, exc)); //$NON-NLS-1$ //$NON-NLS-2$ |
| return null; |
| } |
| } |
| |
| IMethodProxy getMethodProxy(IDEBeanTypeProxy aTypeProxy, String methodName, String[] parameterTypes) { |
| return getMethodProxy(aTypeProxy.fClass, methodName, parameterTypes); |
| } |
| |
| IMethodProxy[] getMethods(Class aClass) { |
| Method[] methods = aClass.getMethods(); |
| IMethodProxy[] methodProxies = new IMethodProxy[methods.length]; |
| for (int i = 0; i < methods.length; i++) { |
| methodProxies[i] = getMethodProxy(methods[i]); |
| } |
| return methodProxies; |
| } |
| |
| IMethodProxy getCompatibleMethod(Class aClass, String methodName, Class[] parmTypes) throws NoSuchMethodException, AmbiguousMethodException { |
| Method method = MethodHelper.findCompatibleMethod(aClass, methodName, parmTypes); |
| return getMethodProxy(method); |
| } |
| |
| IConstructorProxy getCompatibleConstructor(Class aClass, Class[] parmTypes) throws AmbiguousMethodException, NoSuchMethodException, IllegalAccessException { |
| Constructor method = MethodHelper.findCompatibleConstructor(aClass, parmTypes); |
| return getConstructorProxy(method); |
| } |
| |
| |
| IMethodProxy[] getDeclaredMethods(Class aClass) { |
| Method[] methods = aClass.getDeclaredMethods(); |
| IMethodProxy[] methodProxies = new IMethodProxy[methods.length]; |
| for (int i = 0; i < methods.length; i++) { |
| methodProxies[i] = getMethodProxy(methods[i]); |
| } |
| return methodProxies; |
| } |
| /* |
| * (non-Javadoc) |
| * |
| * @see org.eclipse.jem.internal.proxy.core.IMethodProxyFactory#getInvokable(java.lang.String, java.lang.String, java.lang.String[]) |
| */ |
| public IInvokable getInvokable(String className, String methodName, String[] parameterTypes) { |
| return getMethodProxy(className, methodName, parameterTypes); |
| } |
| |
| /* |
| * (non-Javadoc) |
| * @see org.eclipse.jem.internal.proxy.core.IBeanProxyFactory#terminateFactory(boolean) |
| */ |
| public void terminateFactory(boolean wait) { |
| } |
| |
| } |
