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Diffstat (limited to 'jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ClassTools.java')
| -rw-r--r-- | jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ClassTools.java | 1505 |
1 files changed, 0 insertions, 1505 deletions
diff --git a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ClassTools.java b/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ClassTools.java deleted file mode 100644 index 9f8e2021e8..0000000000 --- a/jpa/plugins/org.eclipse.jpt.utility/src/org/eclipse/jpt/utility/internal/ClassTools.java +++ /dev/null @@ -1,1505 +0,0 @@ -/******************************************************************************* - * Copyright (c) 2005, 2007 Oracle. 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: - * Oracle - initial API and implementation - ******************************************************************************/ -package org.eclipse.jpt.utility.internal; - -import java.lang.reflect.Constructor; -import java.lang.reflect.Field; -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; -import java.lang.reflect.Modifier; -import java.util.Collections; -import java.util.Stack; - -/** - * Convenience methods related to the java.lang.reflect package. - * These methods provide shortcuts for manipulating objects via - * reflection; particularly when dealing with fields and/or methods that - * are not publicly accessible or are inherited. - * - * In most cases, all the exceptions are handled and - * wrapped in java.lang.RuntimeExceptions; so these methods should - * be used when you are confident that you will not having any problems - * using reflection. - * - * There are also a number of methods whose names - * begin with "attempt". These methods will throw a NoSuchMethodException - * or NoSuchFieldException when appropriate, allowing you to probe - * for methods that should be present but might not. - */ -public final class ClassTools { - - public static final Class<?>[] ZERO_PARAMETER_TYPES = new Class[0]; - public static final Object[] ZERO_PARAMETERS = new Object[0]; - private static final String CR = StringTools.CR; - - public static final char NESTED_CLASS_NAME_SEPARATOR = '$'; - - public static final char ARRAY_INDICATOR = '['; - - public static final char REFERENCE_CLASS_CODE = 'L'; - public static final char REFERENCE_CLASS_NAME_DELIMITER = ';'; - - private static PrimitiveClassCode[] PRIMITIVE_CLASS_CODES; // pseudo 'final' - lazy-initialized - public static final char BYTE_CODE = 'B'; - public static final char CHAR_CODE = 'C'; - public static final char DOUBLE_CODE = 'D'; - public static final char FLOAT_CODE = 'F'; - public static final char INT_CODE = 'I'; - public static final char LONG_CODE = 'J'; - public static final char SHORT_CODE = 'S'; - public static final char BOOLEAN_CODE = 'Z'; - public static final char VOID_CODE = 'V'; - - private static int MAX_PRIMITIVE_CLASS_NAME_LENGTH = -1; // pseudo 'final' - lazy-initialized - - - /** - * Return all the fields for the - * specified class, including inherited fields. - * Class#allFields() - */ - public static Field[] allFields(Class<?> javaClass) { - Stack<Field> stack = new Stack<Field>(); - for (Class<?> tempClass = javaClass; tempClass != null; tempClass = tempClass.getSuperclass()) { - pushDeclaredFields(tempClass, stack); - } - Collections.reverse(stack); - return stack.toArray(new Field[stack.size()]); - } - - /** - * Return all the methods for the - * specified class, including inherited methods. - * Class#allMethods() - */ - public static Method[] allMethods(Class<?> javaClass) { - Stack<Method> stack = new Stack<Method>(); - for (Class<?> tempClass = javaClass; tempClass != null; tempClass = tempClass.getSuperclass()) { - pushDeclaredMethods(tempClass, stack); - } - Collections.reverse(stack); - return stack.toArray(new Method[stack.size()]); - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * using the class's default (zero-argument) constructor. - * Throw an exception if the default constructor is not defined. - * Class#newInstance() throws NoSuchMethodException - */ - public static <T> T attemptNewInstance(Class<T> javaClass) throws NoSuchMethodException { - return attemptNewInstance(javaClass, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter types and parameters. - * Throw an exception if the constructor is not defined. - * Class#newInstance(Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException - */ - public static <T> T attemptNewInstance(Class<T> javaClass, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException { - try { - return constructor(javaClass, parameterTypes).newInstance(parameters); - } catch (InstantiationException ie) { - throw new RuntimeException(ie + CR + fullyQualifiedConstructorSignature(javaClass, parameterTypes), ie); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + fullyQualifiedConstructorSignature(javaClass, parameterTypes), iae); - } catch (InvocationTargetException ite) { - throw new RuntimeException(fullyQualifiedConstructorSignature(javaClass, parameterTypes) + CR + ite.getTargetException(), ite); - } - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * given the constructor parameter type and parameter. - * Throw an exception if the constructor is not defined. - * Class#newInstance(Class<?> parameterType, Object parameter) throws NoSuchMethodException - */ - public static <T> T attemptNewInstance(Class<T> javaClass, Class<?> parameterType, Object parameter) throws NoSuchMethodException { - return attemptNewInstance(javaClass, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Attempt to get a field value, given the containing object and field name. - * Return its result. - * Useful for accessing private, package, or protected fields. - * Throw an exception if the field is not defined. - * Object#getFieldValue(String fieldName) throws NoSuchFieldException - */ - public static Object attemptToGetFieldValue(Object object, String fieldName) throws NoSuchFieldException { - try { - return field(object, fieldName).get(object); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + fullyQualifiedFieldName(object, fieldName), iae); - } - } - - /** - * Attempt to get a static field value, given the containing object and field name. - * Return its result. - * Useful for accessing private, package, or protected fields. - * Throw an exception if the field is not defined. - * Class#getStaticFieldValue(String fieldName) throws NoSuchFieldException - */ - public static Object attemptToGetStaticFieldValue(Class<?> javaClass, String fieldName) throws NoSuchFieldException { - try { - return field(javaClass, fieldName).get(null); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + fullyQualifiedFieldName(javaClass, fieldName), iae); - } - } - - /** - * Convenience method. - * Attempt to execute a zero-argument method, - * given the receiver and method name. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName) throws NoSuchMethodException - */ - public static Object attemptToExecuteMethod(Object receiver, String methodName) throws NoSuchMethodException { - return attemptToExecuteMethod(receiver, methodName, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Convenience method. - * Attempt to execute a method, given the receiver, - * method name, parameter type, and parameter. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?> parameterType, Object parameter) throws NoSuchMethodException - */ - public static Object attemptToExecuteMethod(Object receiver, String methodName, Class<?> parameterType, Object parameter) throws NoSuchMethodException { - return attemptToExecuteMethod(receiver, methodName, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Attempt to execute a method, given the receiver, - * method name, parameter types, and parameters. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException - */ - public static Object attemptToExecuteMethod(Object receiver, String methodName, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException { - return executeMethod(method(receiver, methodName, parameterTypes), receiver, parameters); - } - - /** - * Attempt to execute a method, given the receiver, - * method name, parameter types, and parameters. - * Return its result. - * Throw an exception if the method is not found. - * If the executed method throws an exception, rethrow that exception. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException - */ - public static Object attemptToExecuteMethodWithException(Object receiver, String methodName, Class<?>[] parameterTypes, Object[] parameters) - throws Throwable, NoSuchMethodException - { - return executeMethodWithException(method(receiver, methodName, parameterTypes), receiver, parameters); - } - - /** - * Convenience method. - * Attempt to execute a zero-argument static method, - * given the class and method name. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName) throws NoSuchMethodException - */ - public static Object attemptToExecuteStaticMethod(Class<?> javaClass, String methodName) throws NoSuchMethodException { - return attemptToExecuteStaticMethod(javaClass, methodName, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Attempt to execute a static method, given the class, - * method name, parameter types, and parameters. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException - */ - public static Object attemptToExecuteStaticMethod(Class<?> javaClass, String methodName, Class<?>[] parameterTypes, Object[] parameters) throws NoSuchMethodException { - return executeStaticMethod(staticMethod(javaClass, methodName, parameterTypes), parameters); - } - - /** - * Convenience method. - * Attempt to execute a static method, given the class, - * method name, parameter type, and parameter. - * Return its result. - * Throw an exception if the method is not found. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName, Class<?> parameterType, Object parameter) throws NoSuchMethodException - */ - public static Object attemptToExecuteStaticMethod(Class<?> javaClass, String methodName, Class<?> parameterType, Object parameter) throws NoSuchMethodException { - return attemptToExecuteStaticMethod(javaClass, methodName, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Attempt to set a field value, given the - * containing object, field name, and new field value. - * Useful for accessing private, package, or protected fields. - * Throw an exception if the field is not defined. - * Object#setFieldValue(String fieldName, Object fieldValue) throws NoSuchFieldException - */ - public static void attemptToSetFieldValue(Object object, String fieldName, Object fieldValue) throws NoSuchFieldException { - try { - field(object, fieldName).set(object, fieldValue); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + fullyQualifiedFieldName(object, fieldName), iae); - } - } - - /** - * Attempt to set a static field value, given the - * containing class, field name, and new field value. - * Useful for accessing private, package, or protected fields. - * Throw an exception if the field is not defined. - * Class#setStaticFieldValue(String fieldName, Object fieldValue) throws NoSuchFieldException - */ - public static void attemptToSetStaticFieldValue(Class<?> javaClass, String fieldName, Object fieldValue) throws NoSuchFieldException { - try { - field(javaClass, fieldName).set(null, fieldValue); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + fullyQualifiedFieldName(javaClass, fieldName), iae); - } - } - - /** - * Convenience method. - * Return the default (zero-argument) constructor - * for the specified class. - * Set accessible to true, so we can access - * private/package/protected constructors. - * Class#constructor() throws NoSuchMethodException - */ - public static <T> Constructor<T> constructor(Class<T> javaClass) throws NoSuchMethodException { - return constructor(javaClass, ZERO_PARAMETER_TYPES); - } - - /** - * Return the constructor for the specified class - * and formal parameter types. - * Set accessible to true, so we can access - * private/package/protected constructors. - * Class#constructor(Class<?>[] parameterTypes) throws NoSuchMethodException - */ - public static <T> Constructor<T> constructor(Class<T> javaClass, Class<?>[] parameterTypes) throws NoSuchMethodException { - Constructor<T> constructor = javaClass.getDeclaredConstructor(parameterTypes); - constructor.setAccessible(true); - return constructor; - } - - /** - * Convenience method. - * Return the constructor for the specified class - * and formal parameter type. - * Set accessible to true, so we can access - * private/package/protected constructors. - * Class#constructor(Class<?> parameterType) throws NoSuchMethodException - */ - public static <T> Constructor<T> constructor(Class<T> javaClass, Class<?> parameterType) throws NoSuchMethodException { - return constructor(javaClass, new Class[] {parameterType}); - } - - /** - * Return the declared fields for the specified class. - * Set accessible to true, so we can access - * private/package/protected fields. - * Class#accessibleDeclaredFields() - */ - public static Field[] declaredFields(Class<?> javaClass) { - Field[] fields = javaClass.getDeclaredFields(); - for (Field field : fields) { - field.setAccessible(true); - } - return fields; - } - - /** - * Return the declared methods for the - * specified class. - * Set accessible to true, so we can access - * private/package/protected methods. - * Class#accessibleDeclaredMethods() - */ - public static Method[] declaredMethods(Class<?> javaClass) { - Method[] methods = javaClass.getDeclaredMethods(); - for (Method method : methods) { - method.setAccessible(true); - } - return methods; - } - - /** - * Return the default (zero-argument) constructor - * for the specified class. - * Set accessible to true, so we can access - * private/package/protected constructors. - * Class#defaultConstructor() - */ - public static <T> Constructor<T> defaultConstructor(Class<T> javaClass) throws NoSuchMethodException { - return constructor(javaClass); - } - - /** - * Return a field for the specified class and field name. - * If the class does not directly - * define the field, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected fields. - */ - public static Field field(Class<?> javaClass, String fieldName) throws NoSuchFieldException { - Field field = null; - try { - field = javaClass.getDeclaredField(fieldName); - } catch (NoSuchFieldException ex) { - Class<?> superclass = javaClass.getSuperclass(); - if (superclass == null) { - throw ex; - } - // recurse - return field(superclass, fieldName); - } - field.setAccessible(true); - return field; - } - - /** - * Convenience method. - * Return a field for the specified object and field name. - * If the object's class does not directly - * define the field, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected fields. - */ - public static Field field(Object object, String fieldName) throws NoSuchFieldException { - return field(object.getClass(), fieldName); - } - - /** - * Return a string representation of the specified constructor. - */ - private static String fullyQualifiedConstructorSignature(Class<?> javaClass, Class<?>[] parameterTypes) { - return fullyQualifiedMethodSignature(javaClass, null, parameterTypes); - } - - /** - * Return a string representation of the specified field. - */ - private static String fullyQualifiedFieldName(Class<?> javaClass, String fieldName) { - StringBuffer sb = new StringBuffer(200); - sb.append(javaClass.getName()); - sb.append('.'); - sb.append(fieldName); - return sb.toString(); - } - - /** - * Return a string representation of the specified field. - */ - private static String fullyQualifiedFieldName(Object object, String fieldName) { - return fullyQualifiedFieldName(object.getClass(), fieldName); - } - - /** - * Return a string representation of the specified method. - */ - private static String fullyQualifiedMethodSignature(Class<?> javaClass, String methodName, Class<?>[] parameterTypes) { - StringBuffer sb = new StringBuffer(200); - sb.append(javaClass.getName()); - // this check allows us to use this code for constructors, where the methodName is null - if (methodName != null) { - sb.append('.'); - sb.append(methodName); - } - sb.append('('); - int max = parameterTypes.length - 1; - if (max != -1) { - // stop one short of the end of the array - for (int i = 0; i < max; i++) { - sb.append(parameterTypes[i].getName()); - sb.append(", "); - } - sb.append(parameterTypes[max].getName()); - } - sb.append(')'); - return sb.toString(); - } - - /** - * Return a string representation of the specified method. - */ - private static String fullyQualifiedMethodSignature(Object receiver, String methodName, Class<?>[] parameterTypes) { - return fullyQualifiedMethodSignature(receiver.getClass(), methodName, parameterTypes); - } - - /** - * Get a field value, given the containing object and field name. - * Return its result. - * Useful for accessing private, package, or protected fields. - * Object#getFieldValue(String fieldName) - */ - public static Object getFieldValue(Object object, String fieldName) { - try { - return attemptToGetFieldValue(object, fieldName); - } catch (NoSuchFieldException nsfe) { - throw new RuntimeException(nsfe + CR + fullyQualifiedFieldName(object, fieldName), nsfe); - } - } - - /** - * Get a static field value, given the containing class and field name. - * Return its result. - * Useful for accessing private, package, or protected fields. - * Class#getStaticFieldValue(String fieldName) - */ - public static Object getStaticFieldValue(Class<?> javaClass, String fieldName) { - try { - return attemptToGetStaticFieldValue(javaClass, fieldName); - } catch (NoSuchFieldException nsfe) { - throw new RuntimeException(nsfe + CR + fullyQualifiedFieldName(javaClass, fieldName), nsfe); - } - } - - /** - * Convenience method. - * Execute a zero-argument method, given the receiver and method name. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName) - */ - public static Object executeMethod(Object receiver, String methodName) { - return executeMethod(receiver, methodName, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Execute a method, given the receiver, - * method name, parameter types, and parameters. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?>[] parameterTypes, Object[] parameters) - */ - public static Object executeMethod(Object receiver, String methodName, Class<?>[] parameterTypes, Object[] parameters) { - try { - return attemptToExecuteMethod(receiver, methodName, parameterTypes, parameters); - } catch (NoSuchMethodException nsme) { - throw new RuntimeException(nsme + CR + fullyQualifiedMethodSignature(receiver, methodName, parameterTypes), nsme); - } - } - - /** - * Convenience method. - * Execute a one-argument method, given the receiver, - * method name, parameter type, and parameter. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?> parameterType, Object parameter) - */ - public static Object executeMethod(Object receiver, String methodName, Class<?> parameterType, Object parameter) { - return executeMethod(receiver, methodName, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Convenience method. - * Execute a zero-argument method, given the receiver and method name. - * Return its result. - * If the method throws an exception, rethrow that exception. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName) - */ - public static Object executeMethodWithException(Object receiver, String methodName) - throws Throwable - { - return executeMethodWithException(receiver, methodName, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Convenience method. - * Execute a one-argument method, given the receiver, - * method name, parameter type, and parameter. - * Return its result. - * If the method throws an exception, rethrow that exception. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?> parameterType, Object parameter) - */ - public static Object executeMethodWithException(Object receiver, String methodName, Class<?> parameterType, Object parameter) - throws Throwable - { - return executeMethodWithException(receiver, methodName, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Execute a method, given the receiver, - * method name, parameter types, and parameters. - * Return its result. - * If the method throws an exception, rethrow that exception. - * Useful for invoking private, package, or protected methods. - * Object#execute(String methodName, Class<?>[] parameterTypes, Object[] parameters) - */ - public static Object executeMethodWithException(Object receiver, String methodName, Class<?>[] parameterTypes, Object[] parameters) - throws Throwable - { - try { - return attemptToExecuteMethodWithException(receiver, methodName, parameterTypes, parameters); - } catch (NoSuchMethodException nsme) { - throw new RuntimeException(nsme + CR + fullyQualifiedMethodSignature(receiver, methodName, parameterTypes), nsme); - } - } - - /** - * Execute the specified method with the specified parameters. - * Return its result. - * Convert exceptions to RuntimeExceptions. - */ - public static Object executeMethod(Method method, Object receiver, Object[] parameters) { - try { - return method.invoke(receiver, parameters); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + method, iae); - } catch (InvocationTargetException ite) { - throw new RuntimeException(method + CR + ite.getTargetException(), ite); - } - } - - /** - * Execute the specified method with the specified parameters. - * Return its result. - * If the method throws an exception, rethrow that exception. - * Convert all other exceptions to RuntimeExceptions. - */ - public static Object executeMethodWithException(Method method, Object receiver, Object[] parameters) - throws Throwable - { - try { - return method.invoke(receiver, parameters); - } catch (IllegalAccessException iae) { - throw new RuntimeException(iae + CR + method, iae); - } catch (InvocationTargetException ite) { - Throwable cause = ite.getCause(); - if (cause == null) { - throw new RuntimeException(method.toString(), ite); - } - throw cause; - } - } - - /** - * Convenience method. - * Execute a zero-argument static method, - * given the class and method name. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName) - */ - public static Object executeStaticMethod(Class<?> javaClass, String methodName) { - return executeStaticMethod(javaClass, methodName, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Execute a static method, given the class, - * method name, parameter types, and parameters. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName, Class<?>[] parameterTypes, Object[] parameters) - */ - public static Object executeStaticMethod(Class<?> javaClass, String methodName, Class<?>[] parameterTypes, Object[] parameters) { - try { - return attemptToExecuteStaticMethod(javaClass, methodName, parameterTypes, parameters); - } catch (NoSuchMethodException nsme) { - throw new RuntimeException(nsme + CR + fullyQualifiedMethodSignature(javaClass, methodName, parameterTypes), nsme); - } - } - - /** - * Convenience method. - * Execute a static method, given the class, - * method name, parameter type, and parameter. - * Return its result. - * Useful for invoking private, package, or protected methods. - * Class#executeStaticMethod(String methodName, Class<?> parameterType, Object parameter) - */ - public static Object executeStaticMethod(Class<?> javaClass, String methodName, Class<?> parameterType, Object parameter) { - return executeStaticMethod(javaClass, methodName, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Execute the specified static method with the specified parameters. - * Return its result. - * Convert exceptions to RuntimeExceptions. - */ - public static Object executeStaticMethod(Method method, Object[] parameters) { - return executeMethod(method, null, parameters); - } - - /** - * Convenience method. - * Return a zero-argument method for the specified class - * and method name. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Class<?> javaClass, String methodName) throws NoSuchMethodException { - return method(javaClass, methodName, ZERO_PARAMETER_TYPES); - } - - /** - * Return a method for the specified class, method name, - * and formal parameter types. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Class<?> javaClass, String methodName, Class<?>[] parameterTypes) throws NoSuchMethodException { - Method method = null; - try { - method = javaClass.getDeclaredMethod(methodName, parameterTypes); - } catch (NoSuchMethodException ex) { - Class<?> superclass = javaClass.getSuperclass(); - if (superclass == null) { - throw ex; - } - // recurse - return method(superclass, methodName, parameterTypes); - } - method.setAccessible(true); - return method; - } - - /** - * Convenience method. - * Return a method for the specified class, method name, - * and formal parameter type. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Class<?> javaClass, String methodName, Class<?> parameterType) throws NoSuchMethodException { - return method(javaClass, methodName, new Class[] {parameterType}); - } - - /** - * Convenience method. - * Return a zero-argument method for the specified object - * and method name. If the object's class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Object object, String methodName) throws NoSuchMethodException { - return method(object.getClass(), methodName); - } - - /** - * Convenience method. - * Return a method for the specified object, method name, - * and formal parameter types. If the object's class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Object object, String methodName, Class<?>[] parameterTypes) throws NoSuchMethodException { - return method(object.getClass(), methodName, parameterTypes); - } - - /** - * Convenience method. - * Return a method for the specified object, method name, - * and formal parameter type. If the object's class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method method(Object object, String methodName, Class<?> parameterType) throws NoSuchMethodException { - return method(object.getClass(), methodName, parameterType); - } - - /** - * Convenience method. - * Return the specified class,. - */ - public static Class<?> classForName(String javaClassName) { - try { - return Class.forName(javaClassName); - } catch (ClassNotFoundException ex) { - throw new RuntimeException(javaClassName, ex); - } - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * using the class's default (zero-argument) constructor. - * Class#newInstance() - */ - public static <T> T newInstance(Class<T> javaClass) { - return newInstance(javaClass, ZERO_PARAMETER_TYPES, ZERO_PARAMETERS); - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * using the class's default (zero-argument) constructor. - * Class#newInstance() - */ - public static Object newInstance(String javaClassName) throws ClassNotFoundException { - return newInstance(javaClassName, ClassTools.class.getClassLoader()); - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * using the class's default (zero-argument) constructor. - * Class#newInstance() - */ - public static Object newInstance(String javaClassName, ClassLoader classLoader) throws ClassNotFoundException { - return newInstance(classLoader.loadClass(javaClassName)); - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter types and parameters. - * Class#newInstance(Class<?>[] parameterTypes, Object[] parameters) - */ - public static <T> T newInstance(Class<T> javaClass, Class<?>[] parameterTypes, Object[] parameters) { - try { - return attemptNewInstance(javaClass, parameterTypes, parameters); - } catch (NoSuchMethodException nsme) { - throw new RuntimeException(nsme + CR + fullyQualifiedConstructorSignature(javaClass, parameterTypes), nsme); - } - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter types and parameters. - * Class#newInstance(Class<?>[] parameterTypes, Object[] parameters) - */ - public static Object newInstance(String javaClassName, Class<?>[] parameterTypes, Object[] parameters) throws ClassNotFoundException { - return newInstance(javaClassName, parameterTypes, parameters, ClassTools.class.getClassLoader()); - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter types and parameters. - * Class#newInstance(Class<?>[] parameterTypes, Object[] parameters) - */ - public static Object newInstance(String javaClassName, Class<?>[] parameterTypes, Object[] parameters, ClassLoader classLoader) throws ClassNotFoundException { - return newInstance(classLoader.loadClass(javaClassName), parameterTypes, parameters); - } - - /** - * Convenience method. - * Return a new instance of the specified class, - * given the constructor parameter type and parameter. - * Class#newInstance(Class<?> parameterType, Object parameter) - */ - public static <T> T newInstance(Class<T> javaClass, Class<?> parameterType, Object parameter) { - return newInstance(javaClass, new Class[] {parameterType}, new Object[] {parameter}); - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter type and parameter. - * Class#newInstance(Class<?> parameterType, Object parameter) - */ - public static Object newInstance(String javaClassName, Class<?> parameterType, Object parameter) throws ClassNotFoundException { - return newInstance(javaClassName, parameterType, parameter, ClassTools.class.getClassLoader()); - } - - /** - * Return a new instance of the specified class, - * given the constructor parameter type and parameter. - * Class#newInstance(Class<?> parameterType, Object parameter) - */ - public static Object newInstance(String javaClassName, Class<?> parameterType, Object parameter, ClassLoader classLoader) throws ClassNotFoundException { - return newInstance(classLoader.loadClass(javaClassName), parameterType, parameter); - } - - /** - * Push the declared fields for the specified class - * onto the top of the stack. - */ - private static void pushDeclaredFields(Class<?> javaClass, Stack<Field> stack) { - Field[] fields = declaredFields(javaClass); - for (int i = fields.length; i-- > 0; ) { - stack.push(fields[i]); - } - } - - /** - * Push the declared methods for the specified class - * onto the top of the stack. - */ - private static void pushDeclaredMethods(Class<?> javaClass, Stack<Method> stack) { - Method[] methods = declaredMethods(javaClass); - for (int i = methods.length; i-- > 0; ) { - stack.push(methods[i]); - } - } - - /** - * Set a field value, given the containing object, field name, and new field value. - * Useful for accessing private, package, or protected fields. - * Object#setFieldValue(String fieldName, Object fieldValue) - */ - public static void setFieldValue(Object object, String fieldName, Object fieldValue) { - try { - attemptToSetFieldValue(object, fieldName, fieldValue); - } catch (NoSuchFieldException nsfe) { - throw new RuntimeException(nsfe + CR + fullyQualifiedFieldName(object, fieldName), nsfe); - } - } - - /** - * Set a static field value, given the containing class, field name, and new field value. - * Useful for accessing private, package, or protected fields. - * Class#setStaticFieldValue(String fieldName, Object fieldValue) - */ - public static void setStaticFieldValue(Class<?> javaClass, String fieldName, Object fieldValue) { - try { - attemptToSetStaticFieldValue(javaClass, fieldName, fieldValue); - } catch (NoSuchFieldException nsfe) { - throw new RuntimeException(nsfe + CR + fullyQualifiedFieldName(javaClass, fieldName), nsfe); - } - } - - /** - * Return the short name of the object's class. - * Class#getShortName() - */ - public static String shortClassNameForObject(Object object) { - return shortNameFor(object.getClass()); - } - - /** - * Return the short name of the class (e.g. "Object"). - * Class#getShortName() - */ - public static String shortNameForClassNamed(String className) { - return className.substring(className.lastIndexOf('.') + 1); - } - - /** - * Return the short name of the class (e.g. "Object"). - * Class#getShortName() - */ - public static String shortNameFor(Class<?> javaClass) { - return shortNameForClassNamed(javaClass.getName()); - } - - /** - * Return the nested name of the object's class. - * Class#getNestedName() - */ - public static String nestedClassNameForObject(Object object) { - return nestedNameFor(object.getClass()); - } - - /** - * Return the nested name of the class (e.g. "Entry"). - * Class#getNestedName() - */ - public static String nestedNameForClassNamed(String className) { - return className.substring(className.lastIndexOf(NESTED_CLASS_NAME_SEPARATOR) + 1); - } - - /** - * Return the nested name of the class (e.g. "Entry"). - * Class#getNestedName() - */ - public static String nestedNameFor(Class<?> javaClass) { - return nestedNameForClassNamed(javaClass.getName()); - } - - /** - * Return the "toString()" name of the object's class. - */ - public static String toStringClassNameForObject(Object object) { - return toStringNameFor(object.getClass()); - } - - /** - * Return the "toString()" name of the class. - * "Member" classes will return only the final name: - * "com.foo.bar.TopLevelClass$MemberClass$NestedMemberClass" - * => "NestedMemberClass" - * "Local" and "anonymous" classes will still return the embedded '$'s: - * "com.foo.bar.TopLevelClass$1LocalClass" - * => "TopLevelClass$1LocalClass" - * "com.foo.bar.TopLevelClass$1" - * => "TopLevelClass$1" - */ - public static String toStringNameForClassNamed(String className) { - return classNamedIsMember(className) ? - className.substring(className.lastIndexOf(NESTED_CLASS_NAME_SEPARATOR) + 1) - : - className.substring(className.lastIndexOf('.') + 1); - } - - /** - * Return the "toString()" name of the class. - */ - public static String toStringNameFor(Class<?> javaClass) { - return toStringNameForClassNamed(javaClass.getName()); - } - - /** - * Return the package name of the class (e.g. "java.lang"). - * Class#getPackageName() - */ - public static String packageNameFor(Class<?> javaClass) { - return packageNameForClassNamed(javaClass.getName()); - } - - /** - * Return the package name of the class (e.g. "java.lang"). - * Class#getPackageName() - */ - public static String packageNameForClassNamed(String className) { - int lastPeriod = className.lastIndexOf('.'); - if (lastPeriod == -1) { - return ""; - } - return className.substring(0, lastPeriod); - } - - /** - * Return the short name of the class, - * followed by its package name (e.g. "Object (java.lang)"). - * Class#getShortNameWithPackage() - */ - public static String shortNameWithPackage(Class<?> javaClass) { - StringBuffer sb = new StringBuffer(200); - sb.append(shortNameFor(javaClass)); - if ( ! javaClass.isPrimitive()) { - sb.append(" ("); - sb.append(packageNameFor(javaClass)); - sb.append(')'); - } - return sb.toString(); - } - - /** - * Convenience method. - * Return a zero-argument, static method for the specified class - * and method name. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method staticMethod(Class<?> javaClass, String methodName) throws NoSuchMethodException { - return staticMethod(javaClass, methodName, ZERO_PARAMETER_TYPES); - } - - /** - * Return a static method for the specified class, method name, - * and formal parameter types. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method staticMethod(Class<?> javaClass, String methodName, Class<?>[] parameterTypes) throws NoSuchMethodException { - Method method = method(javaClass, methodName, parameterTypes); - if (Modifier.isStatic(method.getModifiers())) { - return method; - } - throw new NoSuchMethodException(fullyQualifiedMethodSignature(javaClass, methodName, parameterTypes)); - } - - /** - * Convenience method. - * Return a static method for the specified class, method name, - * and formal parameter type. If the class does not directly - * implement the method, look for it in the class's superclasses. - * Set accessible to true, so we can access - * private/package/protected methods. - */ - public static Method staticMethod(Class<?> javaClass, String methodName, Class<?> parameterTypes) throws NoSuchMethodException { - return staticMethod(javaClass, methodName, new Class[] {parameterTypes}); - } - - /** - * Return whether the specified class can be "declared" in code; - * i.e. it is either a "top-level" class or a "member" class, but it - * is not an "array" class. This method rolls together all the checks - * from the other methods for a bit of a performance tweak. - * Class#isDeclarable() - */ - public static boolean classNamedIsDeclarable(String className) { - if (className.charAt(0) == ARRAY_INDICATOR) { - return false; // it is an "array" class - } - int index = className.indexOf(NESTED_CLASS_NAME_SEPARATOR); - if (index == -1) { - return true; // it is a "top-level" class - } - do { - // the character immediately after each dollar sign cannot be a digit - index++; - if (Character.isDigit(className.charAt(index))) { - return false; - } - index = className.indexOf(NESTED_CLASS_NAME_SEPARATOR, index); - } while (index != -1); - return true; - } - - /** - * Return whether the specified class is a "top-level" class, - * as opposed to a "member", "local", or "anonymous" class, - * using the standard jdk naming conventions (i.e. the class - * name does NOT contain a '$': "TopLevelClass"). - * Class#isTopLevel() - */ - public static boolean classNamedIsTopLevel(String className) { - if (classNamedIsArray(className)) { - return false; - } - return className.indexOf(NESTED_CLASS_NAME_SEPARATOR) == -1; - } - - /** - * Return whether the specified class is a "member" class, - * as opposed to a "top-level", "local", or "anonymous" class, - * using the standard jdk naming conventions (i.e. the class - * name contains at least one '$' and all the names between - * each '$' are legal class names: - * "TopLevelClass$MemberClass$NestedMemberClass"). - * Class#isMember() - */ - public static boolean classNamedIsMember(String className) { - if (classNamedIsArray(className)) { - return false; - } - int index = className.indexOf(NESTED_CLASS_NAME_SEPARATOR); - if (index == -1) { - return false; // it is a "top-level" class - } - do { - // the character immediately after each dollar sign cannot be a digit - index++; - if (Character.isDigit(className.charAt(index))) { - return false; - } - index = className.indexOf(NESTED_CLASS_NAME_SEPARATOR, index); - } while (index != -1); - return true; - } - - /** - * Return whether the specified class is a "local" class, - * as opposed to a "top-level", "member", or "anonymous" class, - * using the standard jdk (or Eclipse) naming conventions. - * In the jdk, the class name ends with '$nnnXXX' where the '$' is - * followed by a series of numeric digits which are followed by the - * local class name: "TopLevelClass$1LocalClass". - * In Eclipse, the class name ends with '$nnn$XXX' where the '$' is - * followed by a series of numeric digits which are separated from - * the local class name by another '$': "TopLevelClass$1$LocalClass". - * Class#isLocal() - */ - public static boolean classNamedIsLocal(String className) { - if (classNamedIsArray(className)) { - return false; - } - int dollar = className.indexOf(NESTED_CLASS_NAME_SEPARATOR); - if (dollar == -1) { - return false; - } - if ( ! Character.isDigit(className.charAt(dollar + 1))) { - return false; - } - int len = className.length(); - for (int i = dollar + 2; i < len; i++) { - if (Character.isJavaIdentifierStart(className.charAt(i))) { - return true; - } - } - // all the characters past the $ are digits (anonymous) - return false; - } - - /** - * Return whether the specified class is an "anonymous" class, - * as opposed to a "top-level", "member", or "local" class, - * using the standard jdk naming conventions (i.e. the class - * name ends with '$nnn' where all the characters past the - * last '$' are numeric digits: "TopLevelClass$1"). - * Class#isAnonymous() - */ - public static boolean classNamedIsAnonymous(String className) { - if (classNamedIsArray(className)) { - return false; - } - int dollar = className.indexOf(NESTED_CLASS_NAME_SEPARATOR); - if (dollar == -1) { - return false; - } - int start = dollar + 1; - for (int i = className.length(); i-- > start; ) { - if ( ! Character.isDigit(className.charAt(i))) { - return false; - } - } - // all the characters past the $ are digits - return true; - } - - /** - * Return the "array depth" of the specified class. - * The depth is the number of dimensions for an array type. - * Non-array types have a depth of zero. - * Class#getArrayDepth() - */ - public static int arrayDepthFor(Class<?> javaClass) { - int depth = 0; - while (javaClass.isArray()) { - depth++; - javaClass = javaClass.getComponentType(); - } - return depth; - } - - /** - * Return the "array depth" of the specified object. - * The depth is the number of dimensions for an array. - * Non-arrays have a depth of zero. - */ - public static int arrayDepthForObject(Object object) { - return arrayDepthFor(object.getClass()); - } - - /** - * Return the "array depth" of the specified class. - * The depth is the number of dimensions for an array type. - * Non-array types have a depth of zero. - * @see java.lang.Class#getName() - * Class#getArrayDepth() - */ - public static int arrayDepthForClassNamed(String className) { - int depth = 0; - while (className.charAt(depth) == ARRAY_INDICATOR) { - depth++; - } - return depth; - } - - /** - * Return whether the specified class is an array type. - * @see java.lang.Class#getName() - */ - public static boolean classNamedIsArray(String className) { - return className.charAt(0) == ARRAY_INDICATOR; - } - - /** - * Return the "element type" of the specified class. - * The element type is the base type held by an array type. - * A non-array type simply returns itself. - * Class#getElementType() - */ - public static Class<?> elementTypeFor(Class<?> javaClass) { - while (javaClass.isArray()) { - javaClass = javaClass.getComponentType(); - } - return javaClass; - } - - /** - * Return the "element type" of the specified object. - * The element type is the base type held by an array. - * A non-array simply returns its class. - */ - public static Class<?> elementTypeForObject(Object object) { - return elementTypeFor(object.getClass()); - } - - /** - * Return the "element type" of the specified class. - * The element type is the base type held by an array type. - * Non-array types simply return themselves. - * Class#getElementType() - */ - public static String elementTypeNameFor(Class<?> javaClass) { - return elementTypeFor(javaClass).getName(); - } - - /** - * Return the "element type" of the specified class. - * The element type is the base type held by an array type. - * Non-array types simply return themselves. - * @see java.lang.Class#getName() - * Class#getElementType() - */ - public static String elementTypeNameForClassNamed(String className) { - int depth = arrayDepthForClassNamed(className); - if (depth == 0) { - // the name is in the form: "java.lang.Object" or "int" - return className; - } - int last = className.length() - 1; - if (className.charAt(depth) == REFERENCE_CLASS_CODE) { - // the name is in the form: "[[[Ljava.lang.Object;" - return className.substring(depth + 1, last); // drop the trailing ';' - } - // the name is in the form: "[[[I" - return classNameForCode(className.charAt(last)); - } - - /** - * Return whether the specified class is a "reference" - * class (i.e. not void or one of the primitives). - */ - public static boolean classNamedIsReference(String className) { - return ! classNamedIsNonReference(className); - } - - /** - * Return whether the specified class is a "non-reference" - * class (i.e. void or one of the primitives). - */ - public static boolean classNamedIsNonReference(String className) { - if (classNamedIsArray(className) || (className.length() > maxPrimitiveClassNameLength())) { - return false; // performance tweak - } - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].javaClass.getName().equals(className)) { - return true; - } - } - return false; - } - - /** - * Return the class name for the specified class code. - * @see java.lang.Class#getName() - */ - public static String classNameForCode(char classCode) { - return classForCode(classCode).getName(); - } - - /** - * Return the class name for the specified class code. - * @see java.lang.Class#getName() - */ - public static String classNameForCode(int classCode) { - return classNameForCode((char) classCode); - } - - /** - * Return the class for the specified class code. - * @see java.lang.Class#getName() - */ - public static Class<?> classForCode(char classCode) { - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].code == classCode) { - return codes[i].javaClass; - } - } - throw new IllegalArgumentException(String.valueOf(classCode)); - } - - /** - * Return the class for the specified class code. - * @see java.lang.Class#getName() - */ - public static Class<?> classForCode(int classCode) { - return classForCode((char) classCode); - } - - /** - * Return the class code for the specified class. - * @see java.lang.Class.getName() - */ - public static char codeForClass(Class<?> javaClass) { - if (( ! javaClass.isArray()) && (javaClass.getName().length() <= maxPrimitiveClassNameLength())) { - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].javaClass == javaClass) { - return codes[i].code; - } - } - } - throw new IllegalArgumentException(javaClass.getName()); - } - - /** - * Return the class code for the specified class. - * @see java.lang.Class.getName() - */ - public static char codeForClassNamed(String className) { - if (( ! classNamedIsArray(className)) && (className.length() <= maxPrimitiveClassNameLength())) { - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].javaClass.getName().equals(className)) { - return codes[i].code; - } - } - } - throw new IllegalArgumentException(className); - } - - /** - * Return the class for specified "type declaration". - */ - public static Class<?> classForTypeDeclaration(String elementTypeName, int arrayDepth) throws ClassNotFoundException { - return classForTypeDeclaration(elementTypeName, arrayDepth, ClassTools.class.getClassLoader()); - } - - /** - * Return the class for specified "type declaration", - * using the specified class loader. - */ - public static Class<?> classForTypeDeclaration(String elementTypeName, int arrayDepth, ClassLoader classLoader) throws ClassNotFoundException { - // primitives cannot be loaded via Class#forName(), - // so check for a primitive class name first - PrimitiveClassCode pcc = null; - if (elementTypeName.length() <= maxPrimitiveClassNameLength()) { // performance tweak - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].javaClass.getName().equals(elementTypeName)) { - pcc = codes[i]; - break; - } - } - } - - // non-array - if (arrayDepth == 0) { - return (pcc == null) ? classLoader.loadClass(elementTypeName) : pcc.javaClass; - } - - // array - StringBuffer sb = new StringBuffer(100); - for (int i = arrayDepth; i-- > 0; ) { - sb.append(ARRAY_INDICATOR); - } - if (pcc == null) { - sb.append(REFERENCE_CLASS_CODE); - sb.append(elementTypeName); - sb.append(REFERENCE_CLASS_NAME_DELIMITER); - } else { - sb.append(pcc.code); - } - return classLoader.loadClass(sb.toString()); - } - - /** - * Return the class name for specified "type declaration". - */ - public static String classNameForTypeDeclaration(String elementTypeName, int arrayDepth) { - // non-array - if (arrayDepth == 0) { - return elementTypeName; - } - - if (elementTypeName.equals(void.class.getName())) { - throw new IllegalArgumentException("'void' must have an array depth of zero: " + arrayDepth + '.'); - } - // array - StringBuffer sb = new StringBuffer(100); - for (int i = arrayDepth; i-- > 0; ) { - sb.append(ARRAY_INDICATOR); - } - - // look for a primitive first - PrimitiveClassCode pcc = null; - if (elementTypeName.length() <= maxPrimitiveClassNameLength()) { // performance tweak - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - if (codes[i].javaClass.getName().equals(elementTypeName)) { - pcc = codes[i]; - break; - } - } - } - - if (pcc == null) { - sb.append(REFERENCE_CLASS_CODE); - sb.append(elementTypeName); - sb.append(REFERENCE_CLASS_NAME_DELIMITER); - } else { - sb.append(pcc.code); - } - - return sb.toString(); - } - - private static int maxPrimitiveClassNameLength() { - if (MAX_PRIMITIVE_CLASS_NAME_LENGTH == -1) { - MAX_PRIMITIVE_CLASS_NAME_LENGTH = calculateMaxPrimitiveClassNameLength(); - } - return MAX_PRIMITIVE_CLASS_NAME_LENGTH; - } - - private static int calculateMaxPrimitiveClassNameLength() { - int max = -1; - PrimitiveClassCode[] codes = primitiveClassCodes(); - for (int i = codes.length; i-- > 0; ) { - int len = codes[i].javaClass.getName().length(); - if (len > max) { - max = len; - } - } - return max; - } - - private static PrimitiveClassCode[] primitiveClassCodes() { - if (PRIMITIVE_CLASS_CODES == null) { - PRIMITIVE_CLASS_CODES = buildPrimitiveClassCodes(); - } - return PRIMITIVE_CLASS_CODES; - } - - private static PrimitiveClassCode[] buildPrimitiveClassCodes() { - PrimitiveClassCode[] result = new PrimitiveClassCode[9]; - result[0] = new PrimitiveClassCode(BYTE_CODE, byte.class); - result[1] = new PrimitiveClassCode(CHAR_CODE, char.class); - result[2] = new PrimitiveClassCode(DOUBLE_CODE, double.class); - result[3] = new PrimitiveClassCode(FLOAT_CODE, float.class); - result[4] = new PrimitiveClassCode(INT_CODE, int.class); - result[5] = new PrimitiveClassCode(LONG_CODE, long.class); - result[6] = new PrimitiveClassCode(SHORT_CODE, short.class); - result[7] = new PrimitiveClassCode(BOOLEAN_CODE, boolean.class); - result[8] = new PrimitiveClassCode(VOID_CODE, void.class); - return result; - } - - /** - * Suppress default constructor, ensuring non-instantiability. - */ - private ClassTools() { - super(); - throw new UnsupportedOperationException(); - } - - - // ********** member class ********** - - private static class PrimitiveClassCode { - char code; - Class<?> javaClass; - PrimitiveClassCode(char code, Class<?> javaClass) { - this.code = code; - this.javaClass = javaClass; - } - } - -} |