| /* |
| * The Apache Software License, Version 1.1 |
| * |
| * |
| * Copyright (c) 2003 The Apache Software Foundation. All rights |
| * reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * |
| * 3. The end-user documentation included with the redistribution, |
| * if any, must include the following acknowledgment: |
| * "This product includes software developed by the |
| * Apache Software Foundation (http://www.apache.org/)." |
| * Alternately, this acknowledgment may appear in the software itself, |
| * if and wherever such third-party acknowledgments normally appear. |
| * |
| * 4. The names "Apache" and "Apache Software Foundation" must |
| * not be used to endorse or promote products derived from this |
| * software without prior written permission. For written |
| * permission, please contact apache@apache.org. |
| * |
| * 5. Products derived from this software may not be called "Apache |
| * XMLBeans", nor may "Apache" appear in their name, without prior |
| * written permission of the Apache Software Foundation. |
| * |
| * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESSED OR IMPLIED |
| * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES |
| * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| * DISCLAIMED. IN NO EVENT SHALL THE APACHE SOFTWARE FOUNDATION OR |
| * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, |
| * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT |
| * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF |
| * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND |
| * ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, |
| * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT |
| * OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| * SUCH DAMAGE. |
| * ==================================================================== |
| * |
| * This software consists of voluntary contributions made by many |
| * individuals on behalf of the Apache Software Foundation and was |
| * originally based on software copyright (c) 2003 BEA Systems |
| * Inc., <http://www.bea.com/>. For more information on the Apache Software |
| * Foundation, please see <http://www.apache.org/>. |
| */ |
| |
| package org.apache.xmlbeans.impl.jam.internal.reflect; |
| |
| import org.apache.xmlbeans.impl.jam.*; |
| import org.apache.xmlbeans.impl.jam.internal.BaseJElement; |
| import org.apache.xmlbeans.impl.jam.internal.JClassHelper; |
| import org.apache.xmlbeans.impl.jam.internal.JPropertyImpl; |
| import org.apache.xmlbeans.impl.jam.internal.PrimitiveJClass; |
| |
| import java.io.StringWriter; |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.Field; |
| import java.lang.reflect.Method; |
| import java.lang.reflect.Modifier; |
| import java.util.*; |
| |
| /** |
| * Javadoc-backed implementation of JClass. |
| * |
| * @author Patrick Calahan <pcal@bea.com> |
| */ |
| public class RClass extends BaseJElement implements JClass { |
| |
| // ======================================================================== |
| // Variables |
| |
| private Map mWrapperMap = new HashMap(); |
| private Class mClass; |
| private JClassHelper mHelper;//this class is dumb |
| private JClassLoader mLoader; |
| |
| // ======================================================================== |
| // Constructors |
| |
| public RClass(Class c, JClassLoader loader) { |
| mLoader = loader; |
| mClass = c; |
| mHelper = new JClassHelper(this); |
| } |
| |
| // ======================================================================== |
| // JElement implementation |
| |
| public JElement getParent() { |
| return mHelper.getParent(); |
| } |
| |
| public JElement[] getChildren() { |
| return mHelper.getChildren(); |
| } |
| |
| public String getSimpleName() { |
| String out = getQualifiedName(); |
| int lastDot = out.lastIndexOf('.'); |
| return (lastDot == -1) ? out : out.substring(lastDot + 1); |
| } |
| |
| public String getQualifiedName() { |
| if (!isArray()) { |
| return mClass.getName(); |
| } else { |
| StringWriter out = new StringWriter(); |
| out.write(getArrayComponentType().getQualifiedName()); |
| int dim = getArrayDimensions(); |
| for (int i = 0; i < dim; i++) out.write("[]"); |
| return out.toString(); |
| } |
| } |
| |
| // ======================================================================== |
| // BaseJElement implementation |
| |
| /** |
| * We can't implement this until JSR175 is here. |
| */ |
| protected void getLocalAnnotations(Collection out) { |
| } |
| |
| /** |
| * We can't ever implement this. |
| */ |
| protected void getLocalComments(Collection out) { |
| } |
| |
| // ======================================================================== |
| // JClass implementation |
| |
| public JClassLoader getClassLoader() { |
| return mLoader; |
| } |
| |
| public JClass forName(String fd) throws ClassNotFoundException { |
| return mLoader.loadClass(fd); |
| } |
| |
| public JClass getSuperclass() { |
| if (isObject() || isInterface() || isPrimitive()) { |
| return null; |
| } else { |
| return getClassSafely(mClass.getSuperclass().getName(), mLoader); |
| } |
| } |
| |
| public JClass[] getInterfaces() { |
| return getClasses(mClass.getInterfaces()); |
| } |
| |
| public JField[] getFields() { |
| return mHelper.getAllFields(); |
| } |
| |
| public JField[] getDeclaredFields() { |
| return getFields(mClass.getDeclaredFields()); |
| } |
| |
| public JConstructor[] getConstructors() { |
| return getConstructors(mClass.getConstructors()); |
| } |
| |
| public JMethod[] getMethods() { |
| return mHelper.getAllMethods(); |
| } |
| |
| public JMethod[] getDeclaredMethods() { |
| return getMethods(mClass.getDeclaredMethods()); |
| } |
| |
| public JPackage getContainingPackage() { |
| String pkgName; |
| if (mClass.getPackage() != null) { |
| pkgName = mClass.getPackage().getName(); |
| } else { |
| // If the package isn't already defined in the classloader, |
| // let's not go defining new packages - just figure it out the |
| // hard way. |
| pkgName = !isArray() ? getQualifiedName() : |
| getArrayComponentType().getQualifiedName(); |
| int lastDot = pkgName.lastIndexOf("."); |
| if (lastDot != -1 && lastDot < pkgName.length() - 1) { |
| pkgName = pkgName.substring(0, lastDot); |
| } |
| } |
| return mLoader.getPackage(pkgName); |
| } |
| |
| public boolean isInterface() { |
| return mClass.isInterface(); |
| } |
| |
| public boolean isPrimitive() { |
| return (PrimitiveJClass.getPrimitiveClass(mClass) != null); |
| } |
| |
| public boolean isVoid() { |
| return mClass.getName().equals("void"); |
| } |
| |
| public boolean isObject() { |
| return mClass == Object.class; |
| } |
| |
| public boolean isAbstract() { |
| return Modifier.isAbstract(mClass.getModifiers()); |
| } |
| |
| public boolean isArray() { |
| return mClass.isArray(); |
| } |
| |
| public JClass getArrayComponentType() { |
| if (mClass.getComponentType() == null) { |
| return null; |
| } else { |
| Class c = mClass.getComponentType(); |
| while (c.getComponentType() != null) c = c.getComponentType(); |
| return getClassSafely(c.getName(), mLoader); |
| } |
| } |
| |
| |
| public int getArrayDimensions() { |
| int out = 0; |
| Class c = mClass; |
| while ((c = c.getComponentType()) != null) out++; |
| return out; |
| } |
| |
| public String getFieldDescriptor() { |
| return mClass.getName(); |
| } |
| |
| public JClass[] getClasses() { |
| return getClasses(mClass.getClasses()); |
| } |
| |
| public boolean isAssignableFrom(JClass clazz) { |
| return mHelper.isAssignableFrom(clazz); |
| } |
| |
| public boolean isStatic() { |
| return Modifier.isStatic(mClass.getModifiers()); |
| } |
| |
| public boolean isFinal() { |
| return Modifier.isFinal(mClass.getModifiers()); |
| } |
| |
| public JProperty[] getProperties() { |
| //REVIEW maybe we should retrieve the BeanInfo in order to get |
| //properties |
| return JPropertyImpl.getProperties(this); |
| } |
| |
| // ======================================================================== |
| // JMember implementation |
| |
| public JClass getContainingClass() { |
| return getClassSafely(mClass.getDeclaringClass().getName(), mLoader); |
| } |
| |
| public boolean isProtected() { |
| return Modifier.isProtected(mClass.getModifiers()); |
| } |
| |
| public boolean isPublic() { |
| return Modifier.isPublic(mClass.getModifiers()); |
| } |
| |
| public boolean isPrivate() { |
| return Modifier.isPrivate(mClass.getModifiers()); |
| } |
| |
| public boolean isPackagePrivate() { |
| return !isPublic() && !isProtected() && !isPrivate(); |
| } |
| |
| public int getModifiers() { |
| return mClass.getModifiers(); |
| } |
| |
| public JSourcePosition getSourcePosition() { |
| return null; |
| } |
| |
| // ======================================================================== |
| // Object implementation |
| |
| public boolean equals(Object o) { |
| if (o instanceof JClass) { |
| return ((JClass) o).getFieldDescriptor().equals(getFieldDescriptor()); |
| } |
| return false; |
| } |
| |
| public int hashCode() { |
| return getFieldDescriptor().hashCode(); |
| } |
| |
| // ======================================================================== |
| // Private methods |
| |
| private JField[] getFields(Field[] fields) { |
| List list = new ArrayList(); |
| for (int i = 0; i < fields.length; i++) { |
| list.add(getField(fields[i])); |
| } |
| JField[] out = new JField[list.size()]; |
| list.toArray(out); |
| return out; |
| } |
| |
| private JMethod[] getMethods(Method[] methods) { |
| List list = new ArrayList(); |
| for (int i = 0; i < methods.length; i++) { |
| list.add(getMethod(methods[i])); |
| } |
| JMethod[] out = new JMethod[list.size()]; |
| list.toArray(out); |
| return out; |
| } |
| |
| private JConstructor[] getConstructors(Constructor[] constructors) { |
| List list = new ArrayList(); |
| for (int i = 0; i < constructors.length; i++) { |
| list.add(getConstructor(constructors[i])); |
| } |
| JConstructor[] out = new JConstructor[list.size()]; |
| list.toArray(out); |
| return out; |
| } |
| |
| private JField getField(Field f) { |
| JField out = (JField) mWrapperMap.get(f); |
| if (out == null) mWrapperMap.put(f, out = new RField(f, mLoader)); |
| return out; |
| } |
| |
| private JMethod getMethod(Method f) { |
| JMethod out = (JMethod) mWrapperMap.get(f); |
| if (out == null) mWrapperMap.put(f, out = new RMethod(f, mLoader)); |
| return out; |
| } |
| |
| private JConstructor getConstructor(Constructor f) { |
| JConstructor out = (JConstructor) mWrapperMap.get(f); |
| if (out == null) mWrapperMap.put(f, out = new RConstructor(f, mLoader)); |
| return out; |
| } |
| |
| private JClass[] getClasses(Class[] c) { |
| return getClasses(c, mLoader); |
| } |
| |
| // ======================================================================== |
| // Package utility methods |
| |
| /*package*/ |
| static JClass[] getClasses(Class[] c, JClassLoader loader) { |
| if (c == null) return null; |
| JClass[] out = new JClass[c.length]; |
| for (int i = 0; i < out.length; i++) { |
| out[i] = getClassSafely(c[i].getName(), loader); |
| } |
| return out; |
| } |
| } |