plugins/org.eclipse.jem/mofjava/org/eclipse/jem/internal/java/adapters/jdk/JDKAdaptor.java - gerrit/jeetools/webtools.javaee - Git at Google

 /*******************************************************************************
  * Copyright (c) 2003, 2005 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
  *******************************************************************************/
 package org.eclipse.jem.internal.java.adapters.jdk;
 /*


  */

 import java.lang.reflect.Array;

 import org.eclipse.emf.common.notify.Notifier;
 import org.eclipse.emf.ecore.xmi.XMIResource;
 import org.eclipse.jem.java.*;
 import org.eclipse.jem.internal.java.adapters.JavaReflectionAdaptor;
 /**
  * Insert the type's description here.
  * Creation date: (6/6/2000 4:42:50 PM)
  * @author: Administrator
  */
 public abstract class JDKAdaptor extends JavaReflectionAdaptor {
 	public JavaJDKAdapterFactory adapterFactory;
 	public JDKAdaptor(Notifier target, JavaJDKAdapterFactory anAdapterFactory) {
 		super(target);
 		setAdapterFactory(anAdapterFactory);
 	}
 	/**
 	 * computeMethodID - generate the unique ID to be used to identify a constructor.
 	 * Similar to a Signature, but hopefully more readable.
 	 * The name format will be:
 	 * 	simpleClassName.simpleClassName(com.fronk.ParmType1_parmType2&V
 	 * Note: This implementation is tightly coupled with ReflectionAdapter.getTypeNamesFromMethodID().
 	 *
 	 * It has to be done separately for JDK because Constructors and Methods are different classes.
 	 * However, in the Java Model they are both just Methods with a flag indicating Constructor.
 	 */
 	public static String computeMethodID(java.lang.reflect.Constructor jdkConstructor) {
 		StringBuffer out = new StringBuffer();
 		String className = getSimpleName(jdkConstructor.getDeclaringClass().getName());
 		out.append(className);
 		out.append(C_CLASS_MEMBER_DELIMITER);
 		out.append(computeMethodName(jdkConstructor));
 		out.append(C_METHOD_PARM_DELIMITER);
 		Class[] parmTypes = jdkConstructor.getParameterTypes();
 		for (int i = 0; i < parmTypes.length; i++) {
 			out.append(parmTypes[i].getName());
 			if (i < parmTypes.length - 1)
 				out.append(C_PARM_PARM_DELIMITER);
 		}
 		out.append(S_CONSTRUCTOR_TOKEN); //It's a constructor
 		return out.toString();
 	}
 	/**
 	 * computeMethodID - generate the unique ID to be used to identify a method.
 	 * Similar to a Signature, but hopefully more readable.
 	 * If there are no parms, it will end with a "(" so that it can be distictive from a field.
 	 * The name format will be:
 	 * 	simpleClassName.methodName(com.fronk.ParmType1_parmType2
 	 * Note: This implementation is tightly coupled with ReflectionAdapter.getTypeNamesFromMethodID().
 	 */
 	public static String computeMethodID(java.lang.reflect.Method jdkMethod) {
 		StringBuffer out = new StringBuffer();
 		String className = getSimpleName(jdkMethod.getDeclaringClass().getName());
 		out.append(className);
 		out.append(C_CLASS_MEMBER_DELIMITER);
 		out.append(computeMethodName(jdkMethod));
 		out.append(C_METHOD_PARM_DELIMITER);
 		Class[] parmTypes = jdkMethod.getParameterTypes();
 		for (int i = 0; i < parmTypes.length; i++) {
 			out.append(parmTypes[i].getName());
 			if (i < parmTypes.length - 1)
 				out.append(C_PARM_PARM_DELIMITER);
 		}
 		if (jdkMethod.getDeclaringClass().getName().equals(jdkMethod.getName()))
 			out.append(S_CONSTRUCTOR_TOKEN); //It's a constructor
 		return out.toString();
 	}
 	/**
 	 * computeMethodName - generate the name to be used to identify a constructor.
 	 * For the moment, names are simple, and UUID's are complex.
 	 *
 	 * It has to be done separately for JDK because Constructors and Methods are different classes.
 	 * However, in the Java Model they are both just Methods with a flag indicating Constructor.
 	 */
 	public static String computeMethodName(java.lang.reflect.Constructor jdkConstructor) {
 		return getSimpleName(jdkConstructor.getName()); // CTOR names come back fully-qualified with package.
 	}
 	/**
 	 * computeMethodName - generate the name to be used to identify a method.
 	 * For the moment, names are simple, and UUID's are complex.
 	 */
 	public static String computeMethodName(java.lang.reflect.Method jdkMethod) {
 		return jdkMethod.getName();
 	}
 	/**
 	 * createJavaField - instantiate a Java Field based on the passed Field
 	 * We are deferring field contents assuming that its adaptor will reflect its details.
 	 */
 	public Field createJavaField(java.lang.reflect.Field reflectedField, XMIResource resource) {
 		Field newField = getJavaFactory().createField();
 		newField.setName(reflectedField.getName());
 		String className = getSimpleName(reflectedField.getDeclaringClass().getName());
 		resource.setID(newField, className + C_CLASS_MEMBER_DELIMITER + reflectedField.getName());
 		return newField;
 	}
 	/**
 	 * createJavaMethod - instantiate a Java Method based on the passed Java Reflection Constructor
 	 * We are deferring method contents assuming that its adaptor will reflect its details.
 	 * We need to store enough info in the empty Method to find its Java source.
 	 * The ID will eventually hold enough info to identify the source, so we use it.
 	 */
 	public Method createJavaMethod(java.lang.reflect.Constructor jdkConstructor, XMIResource resource) {
 		Method newMethod = getJavaFactory().createMethod();
 		// We use a simple name, but a complex ID
 		newMethod.setName(computeMethodName(jdkConstructor));
 		resource.setID(newMethod, computeMethodID(jdkConstructor));
 		return newMethod;
 	}
 	/**
 	 * createJavaMethod - instantiate a Java Method based on the passed Java Reflection Method
 	 * We are deferring method contents assuming that its adaptor will reflect its details.
 	 * We need to store enough info in the empty Method to find its Java source.
 	 * The ID will eventually hold enough info to identify the source, so we use it.
 	 */
 	public Method createJavaMethod(java.lang.reflect.Method jdkMethod, XMIResource resource) {
 		Method newMethod = getJavaFactory().createMethod();
 		// We use a simple name, but a complex ID
 		newMethod.setName(computeMethodName(jdkMethod));
 		resource.setID(newMethod, computeMethodID(jdkMethod));
 		return newMethod;
 	}
 	/**
 	 * Insert the method's description here.
 	 * Creation date: (11/07/00 3:43:55 PM)
 	 * @return org.eclipse.jem.java.adapters.JavaJDKAdapterFactory
 	 */
 	public JavaJDKAdapterFactory getAdapterFactory() {
 		return adapterFactory;
 	}
 	public ClassLoader getAlternateClassLoader() {
 		return getAdapterFactory().getContextClassLoader();
 	}
 	/*****************************************************************************
 	* Method to convert the textual form of a primitive type into its Class object
 	*
 	* @param type The primitive type's textual representation
 	*/
 	public static Class getPrimitiveType(String type) {
 		Class c = null;

 		if (type.equals(byte.class.getName())) {
 			c = byte.class;
 		} else if (type.equals(short.class.getName())) {
 			c = short.class;
 		} else if (type.equals(int.class.getName())) {
 			c = int.class;
 		} else if (type.equals(long.class.getName())) {
 			c = long.class;
 		} else if (type.equals(float.class.getName())) {
 			c = float.class;
 		} else if (type.equals(double.class.getName())) {
 			c = double.class;
 		} else if (type.equals(boolean.class.getName())) {
 			c = boolean.class;
 		} else if (type.equals(char.class.getName())) {
 			c = char.class;
 		} else if (type.equals(void.class.getName())) {
 			c = void.class;
 		}

 		return c;
 	}
 	/**
 	 * Returns the last segment of a '.'-separated qualified name.
 	 * Returns the given name if it is not qualified.
 	 * For example:
 	 * <pre>
 	 * getSimpleName("java.lang.Object") -> "Object"
 	 * </pre>
 	 */
 	public static String getSimpleName(String name) {
 		int lastDot = name.lastIndexOf('.');
 		if (lastDot == -1)
 			return name;
 		return name.substring(lastDot + 1);
 	}
 	public Class getType(JavaHelpers modelClass) {
 		Class result = null;
 		if (modelClass.isArray()) {
 			ArrayType arrayType = (ArrayType) modelClass;
 			Class componentClass = getType(arrayType.getFinalComponentType());
 			result = (Array.newInstance(componentClass, new int[arrayType.getArrayDimensions()])).getClass();
 		} else if (modelClass.isPrimitive()) {
 			result = getType(modelClass.getQualifiedName());
 		} else {
 			result = getType(((JavaClass) modelClass).getQualifiedNameForReflection());
 		}
 		return result;
 	}
 	public Class getType(String qualifiedName) {
 		// Try for a primitive type ("int","char",etc.) first
 		Class primType = getPrimitiveType(qualifiedName);
 		if (primType == null) {
 			// Changed for defect #212147 botp@ausaix19.austin.ibm.com@7630 system.
 			//
 			// Search only one of the following classloaders (the first one that exists) in this order. If not found
 			// in a classloader, it will not roll-over to another class loader. This is to avoid problems where a
 			// class may exist in more than one classloader. You get errors when this happens due to one class that
 			// was found in only one classloader that refers to another class that was found in both classloaders.
 			// They don't match when trying to reflect later.
 			// 1) Alternate classloader (if exists)
 			// 2) Thread context classloader (if exists)
 			// 3) System classloader (if exists)
 			// 4) Class.forName().
 			if (getAlternateClassLoader() != null) {
 				try {
 					return getAlternateClassLoader().loadClass(qualifiedName);
 				} catch (ClassNotFoundException cnf2) {
 					return null;
 				}
 			}

 			ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
 			if (contextClassLoader != null) {
 				try {
 					return contextClassLoader.loadClass(qualifiedName);
 				} catch (ClassNotFoundException e) {
 					return null;
 				}
 			}

 			ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
 			if (systemClassLoader != null) {
 				try {
 					return systemClassLoader.loadClass(qualifiedName);
 				} catch (ClassNotFoundException e) {
 					return null;
 				}
 			}

 			try {
 				return Class.forName(qualifiedName);
 			} catch (ClassNotFoundException e) {
 				return null;
 			}
 		} else
 			return primType;
 	}
 	/*
 	 * Utility routine to paper over array type names
 	 * Borrowed from a package-visibility helper on java.lang.reflect.Field
 	 */
 	static String getTypeName(Class type) {
 		if (type.isArray()) {
 			try {
 				Class cl = type;
 				int dimensions = 0;
 				while (cl.isArray()) {
 					dimensions++;
 					cl = cl.getComponentType();
 				}
 				StringBuffer sb = new StringBuffer();
 				sb.append(cl.getName());
 				for (int i = 0; i < dimensions; i++) {
 					sb.append("[]"); //$NON-NLS-1$
 				}
 				return sb.toString();
 			} catch (Exception e) { /*FALLTHRU*/
 			}
 		}
 		return type.getName();
 	}

 	/*****************************************************************************
 	* Method to convert the textual form of a primitive type into its Class object
 	*
 	* @param type The primitive type's textual representation
 	*/
 	public static Class primitiveForName(String type) {
 		Class c = null;

 		if (type.equals(byte.class.getName())) {
 			c = byte.class;
 		} else if (type.equals(short.class.getName())) {
 			c = short.class;
 		} else if (type.equals(int.class.getName())) {
 			c = int.class;
 		} else if (type.equals(long.class.getName())) {
 			c = long.class;
 		} else if (type.equals(float.class.getName())) {
 			c = float.class;
 		} else if (type.equals(double.class.getName())) {
 			c = double.class;
 		} else if (type.equals(boolean.class.getName())) {
 			c = boolean.class;
 		} else if (type.equals(char.class.getName())) {
 			c = char.class;
 		} else if (type.equals(void.class.getName())) {
 			c = void.class;
 		}

 		return c;
 	}

 	/**
 	 * Insert the method's description here.
 	 * Creation date: (11/07/00 3:43:55 PM)
 	 * @param newAdapterFactory org.eclipse.jem.java.adapters.JavaJDKAdapterFactory
 	 */
 	public void setAdapterFactory(JavaJDKAdapterFactory newAdapterFactory) {
 		adapterFactory = newAdapterFactory;
 	}
 }
	/*******************************************************************************
	* Copyright (c) 2003, 2005 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
	*******************************************************************************/
	package org.eclipse.jem.internal.java.adapters.jdk;
	/*


	*/

	import java.lang.reflect.Array;

	import org.eclipse.emf.common.notify.Notifier;
	import org.eclipse.emf.ecore.xmi.XMIResource;
	import org.eclipse.jem.java.*;
	import org.eclipse.jem.internal.java.adapters.JavaReflectionAdaptor;
	/**
	* Insert the type's description here.
	* Creation date: (6/6/2000 4:42:50 PM)
	* @author: Administrator
	*/
	public abstract class JDKAdaptor extends JavaReflectionAdaptor {
	public JavaJDKAdapterFactory adapterFactory;
	public JDKAdaptor(Notifier target, JavaJDKAdapterFactory anAdapterFactory) {
	super(target);
	setAdapterFactory(anAdapterFactory);
	}
	/**
	* computeMethodID - generate the unique ID to be used to identify a constructor.
	* Similar to a Signature, but hopefully more readable.
	* The name format will be:
	* simpleClassName.simpleClassName(com.fronk.ParmType1_parmType2&V
	* Note: This implementation is tightly coupled with ReflectionAdapter.getTypeNamesFromMethodID().
	*
	* It has to be done separately for JDK because Constructors and Methods are different classes.
	* However, in the Java Model they are both just Methods with a flag indicating Constructor.
	*/
	public static String computeMethodID(java.lang.reflect.Constructor jdkConstructor) {
	StringBuffer out = new StringBuffer();
	String className = getSimpleName(jdkConstructor.getDeclaringClass().getName());
	out.append(className);
	out.append(C_CLASS_MEMBER_DELIMITER);
	out.append(computeMethodName(jdkConstructor));
	out.append(C_METHOD_PARM_DELIMITER);
	Class[] parmTypes = jdkConstructor.getParameterTypes();
	for (int i = 0; i < parmTypes.length; i++) {
	out.append(parmTypes[i].getName());
	if (i < parmTypes.length - 1)
	out.append(C_PARM_PARM_DELIMITER);
	}
	out.append(S_CONSTRUCTOR_TOKEN); //It's a constructor
	return out.toString();
	}
	/**
	* computeMethodID - generate the unique ID to be used to identify a method.
	* Similar to a Signature, but hopefully more readable.
	* If there are no parms, it will end with a "(" so that it can be distictive from a field.
	* The name format will be:
	* simpleClassName.methodName(com.fronk.ParmType1_parmType2
	* Note: This implementation is tightly coupled with ReflectionAdapter.getTypeNamesFromMethodID().
	*/
	public static String computeMethodID(java.lang.reflect.Method jdkMethod) {
	StringBuffer out = new StringBuffer();
	String className = getSimpleName(jdkMethod.getDeclaringClass().getName());
	out.append(className);
	out.append(C_CLASS_MEMBER_DELIMITER);
	out.append(computeMethodName(jdkMethod));
	out.append(C_METHOD_PARM_DELIMITER);
	Class[] parmTypes = jdkMethod.getParameterTypes();
	for (int i = 0; i < parmTypes.length; i++) {
	out.append(parmTypes[i].getName());
	if (i < parmTypes.length - 1)
	out.append(C_PARM_PARM_DELIMITER);
	}
	if (jdkMethod.getDeclaringClass().getName().equals(jdkMethod.getName()))
	out.append(S_CONSTRUCTOR_TOKEN); //It's a constructor
	return out.toString();
	}
	/**
	* computeMethodName - generate the name to be used to identify a constructor.
	* For the moment, names are simple, and UUID's are complex.
	*
	* It has to be done separately for JDK because Constructors and Methods are different classes.
	* However, in the Java Model they are both just Methods with a flag indicating Constructor.
	*/
	public static String computeMethodName(java.lang.reflect.Constructor jdkConstructor) {
	return getSimpleName(jdkConstructor.getName()); // CTOR names come back fully-qualified with package.
	}
	/**
	* computeMethodName - generate the name to be used to identify a method.
	* For the moment, names are simple, and UUID's are complex.
	*/
	public static String computeMethodName(java.lang.reflect.Method jdkMethod) {
	return jdkMethod.getName();
	}
	/**
	* createJavaField - instantiate a Java Field based on the passed Field
	* We are deferring field contents assuming that its adaptor will reflect its details.
	*/
	public Field createJavaField(java.lang.reflect.Field reflectedField, XMIResource resource) {
	Field newField = getJavaFactory().createField();
	newField.setName(reflectedField.getName());
	String className = getSimpleName(reflectedField.getDeclaringClass().getName());
	resource.setID(newField, className + C_CLASS_MEMBER_DELIMITER + reflectedField.getName());
	return newField;
	}
	/**
	* createJavaMethod - instantiate a Java Method based on the passed Java Reflection Constructor
	* We are deferring method contents assuming that its adaptor will reflect its details.
	* We need to store enough info in the empty Method to find its Java source.
	* The ID will eventually hold enough info to identify the source, so we use it.
	*/
	public Method createJavaMethod(java.lang.reflect.Constructor jdkConstructor, XMIResource resource) {
	Method newMethod = getJavaFactory().createMethod();
	// We use a simple name, but a complex ID
	newMethod.setName(computeMethodName(jdkConstructor));
	resource.setID(newMethod, computeMethodID(jdkConstructor));
	return newMethod;
	}
	/**
	* createJavaMethod - instantiate a Java Method based on the passed Java Reflection Method
	* We are deferring method contents assuming that its adaptor will reflect its details.
	* We need to store enough info in the empty Method to find its Java source.
	* The ID will eventually hold enough info to identify the source, so we use it.
	*/
	public Method createJavaMethod(java.lang.reflect.Method jdkMethod, XMIResource resource) {
	Method newMethod = getJavaFactory().createMethod();
	// We use a simple name, but a complex ID
	newMethod.setName(computeMethodName(jdkMethod));
	resource.setID(newMethod, computeMethodID(jdkMethod));
	return newMethod;
	}
	/**
	* Insert the method's description here.
	* Creation date: (11/07/00 3:43:55 PM)
	* @return org.eclipse.jem.java.adapters.JavaJDKAdapterFactory
	*/
	public JavaJDKAdapterFactory getAdapterFactory() {
	return adapterFactory;
	}
	public ClassLoader getAlternateClassLoader() {
	return getAdapterFactory().getContextClassLoader();
	}
	/*****************************************************************************
	* Method to convert the textual form of a primitive type into its Class object
	*
	* @param type The primitive type's textual representation
	*/
	public static Class getPrimitiveType(String type) {
	Class c = null;

	if (type.equals(byte.class.getName())) {
	c = byte.class;
	} else if (type.equals(short.class.getName())) {
	c = short.class;
	} else if (type.equals(int.class.getName())) {
	c = int.class;
	} else if (type.equals(long.class.getName())) {
	c = long.class;
	} else if (type.equals(float.class.getName())) {
	c = float.class;
	} else if (type.equals(double.class.getName())) {
	c = double.class;
	} else if (type.equals(boolean.class.getName())) {
	c = boolean.class;
	} else if (type.equals(char.class.getName())) {
	c = char.class;
	} else if (type.equals(void.class.getName())) {
	c = void.class;
	}

	return c;
	}
	/**
	* Returns the last segment of a '.'-separated qualified name.
	* Returns the given name if it is not qualified.
	* For example:
	* <pre>
	* getSimpleName("java.lang.Object") -> "Object"
	* </pre>
	*/
	public static String getSimpleName(String name) {
	int lastDot = name.lastIndexOf('.');
	if (lastDot == -1)
	return name;
	return name.substring(lastDot + 1);
	}
	public Class getType(JavaHelpers modelClass) {
	Class result = null;
	if (modelClass.isArray()) {
	ArrayType arrayType = (ArrayType) modelClass;
	Class componentClass = getType(arrayType.getFinalComponentType());
	result = (Array.newInstance(componentClass, new int[arrayType.getArrayDimensions()])).getClass();
	} else if (modelClass.isPrimitive()) {
	result = getType(modelClass.getQualifiedName());
	} else {
	result = getType(((JavaClass) modelClass).getQualifiedNameForReflection());
	}
	return result;
	}
	public Class getType(String qualifiedName) {
	// Try for a primitive type ("int","char",etc.) first
	Class primType = getPrimitiveType(qualifiedName);
	if (primType == null) {
	// Changed for defect #212147 botp@ausaix19.austin.ibm.com@7630 system.
	//
	// Search only one of the following classloaders (the first one that exists) in this order. If not found
	// in a classloader, it will not roll-over to another class loader. This is to avoid problems where a
	// class may exist in more than one classloader. You get errors when this happens due to one class that
	// was found in only one classloader that refers to another class that was found in both classloaders.
	// They don't match when trying to reflect later.
	// 1) Alternate classloader (if exists)
	// 2) Thread context classloader (if exists)
	// 3) System classloader (if exists)
	// 4) Class.forName().
	if (getAlternateClassLoader() != null) {
	try {
	return getAlternateClassLoader().loadClass(qualifiedName);
	} catch (ClassNotFoundException cnf2) {
	return null;
	}
	}

	ClassLoader contextClassLoader = Thread.currentThread().getContextClassLoader();
	if (contextClassLoader != null) {
	try {
	return contextClassLoader.loadClass(qualifiedName);
	} catch (ClassNotFoundException e) {
	return null;
	}
	}

	ClassLoader systemClassLoader = ClassLoader.getSystemClassLoader();
	if (systemClassLoader != null) {
	try {
	return systemClassLoader.loadClass(qualifiedName);
	} catch (ClassNotFoundException e) {
	return null;
	}
	}

	try {
	return Class.forName(qualifiedName);
	} catch (ClassNotFoundException e) {
	return null;
	}
	} else
	return primType;
	}
	/*
	* Utility routine to paper over array type names
	* Borrowed from a package-visibility helper on java.lang.reflect.Field
	*/
	static String getTypeName(Class type) {
	if (type.isArray()) {
	try {
	Class cl = type;
	int dimensions = 0;
	while (cl.isArray()) {
	dimensions++;
	cl = cl.getComponentType();
	}
	StringBuffer sb = new StringBuffer();
	sb.append(cl.getName());
	for (int i = 0; i < dimensions; i++) {
	sb.append("[]"); //$NON-NLS-1$
	}
	return sb.toString();
	} catch (Exception e) { /FALLTHRU/
	}
	}
	return type.getName();
	}

	/*****************************************************************************
	* Method to convert the textual form of a primitive type into its Class object
	*
	* @param type The primitive type's textual representation
	*/
	public static Class primitiveForName(String type) {
	Class c = null;

	if (type.equals(byte.class.getName())) {
	c = byte.class;
	} else if (type.equals(short.class.getName())) {
	c = short.class;
	} else if (type.equals(int.class.getName())) {
	c = int.class;
	} else if (type.equals(long.class.getName())) {
	c = long.class;
	} else if (type.equals(float.class.getName())) {
	c = float.class;
	} else if (type.equals(double.class.getName())) {
	c = double.class;
	} else if (type.equals(boolean.class.getName())) {
	c = boolean.class;
	} else if (type.equals(char.class.getName())) {
	c = char.class;
	} else if (type.equals(void.class.getName())) {
	c = void.class;
	}

	return c;
	}

	/**
	* Insert the method's description here.
	* Creation date: (11/07/00 3:43:55 PM)
	* @param newAdapterFactory org.eclipse.jem.java.adapters.JavaJDKAdapterFactory
	*/
	public void setAdapterFactory(JavaJDKAdapterFactory newAdapterFactory) {
	adapterFactory = newAdapterFactory;
	}
	}