| /* |
| * Copyright (C) MX4J. |
| * All rights reserved. |
| * |
| * This software is distributed under the terms of the MX4J License version 1.0. |
| * See the terms of the MX4J License in the documentation provided with this software. |
| */ |
| /* |
| * Copyright 2005 The Apache Software Foundation |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| * |
| */ |
| package org.apache.felix.mosgi.jmx.httpconnector.mx4j.tools.adaptor.http; |
| |
| import java.io.IOException; |
| import java.lang.reflect.Constructor; |
| import java.util.Arrays; |
| |
| import javax.management.JMException; |
| import javax.management.loading.DefaultLoaderRepository; |
| |
| import org.w3c.dom.Document; |
| import org.w3c.dom.Element; |
| |
| /** |
| * ConstructorsCommandProcessor, processes a request to query the available |
| * constructors for a classname |
| * |
| * @author <a href="mailto:tibu@users.sourceforge.net">Carlos Quiroz</a> |
| * @author <a href="mailto:l.dobrev@lsnsoft.com">Lachezar Dobrev</a> |
| * @version $Revision: 1.1.1.1 $ |
| */ |
| public class ConstructorsCommandProcessor extends HttpCommandProcessorAdaptor |
| { |
| public ConstructorsCommandProcessor() |
| { |
| } |
| |
| public Document executeRequest(HttpInputStream in) throws IOException, JMException |
| { |
| Document document = builder.newDocument(); |
| |
| String classname = in.getVariable("classname"); |
| if (classname == null || classname.trim().length() == 0) |
| { |
| return createException(document, "", "classname parameter required"); |
| } |
| else |
| { |
| // look class in default classloader |
| Class targetClass = null; |
| try |
| { |
| targetClass = DefaultLoaderRepository.loadClass(classname); |
| } |
| catch (ClassNotFoundException e) {} |
| try |
| { |
| if (targetClass == null) |
| { |
| targetClass = ClassLoader.getSystemClassLoader().loadClass(classname); |
| } |
| } |
| catch (ClassNotFoundException e) {} |
| try |
| { |
| if (targetClass == null) |
| { |
| targetClass = getClass().getClassLoader().loadClass(classname); |
| } |
| } |
| catch (ClassNotFoundException e) {} |
| |
| if (targetClass == null) { |
| return createException(document, classname, "class " + classname + " not found"); |
| } |
| |
| Element root = document.createElement("Class"); |
| root.setAttribute("classname", classname); |
| document.appendChild(root); |
| Constructor[] constructors = targetClass.getConstructors(); |
| Arrays.sort(constructors, CommandProcessorUtil.createConstructorComparator()); |
| for (int i=0;i<constructors.length;i++) |
| { |
| System.out.println("Constructor " + constructors[i]); |
| Element constructor = document.createElement("Constructor"); |
| constructor.setAttribute("name", constructors[i].getName()); |
| addParameters(constructor, document, constructors[i].getParameterTypes()); |
| root.appendChild(constructor); |
| } |
| } |
| return document; |
| } |
| |
| protected void addParameters(Element node, Document document, Class[] parameters) |
| { |
| for (int j=0;j<parameters.length;j++) |
| { |
| Element parameter = document.createElement("Parameter"); |
| parameter.setAttribute("type", parameters[j].getName()); |
| parameter.setAttribute("strinit", String.valueOf(CommandProcessorUtil.canCreateParameterValue(parameters[j].getName()))); |
| // add id since order is relevant |
| parameter.setAttribute("id", ""+j); |
| node.appendChild(parameter); |
| } |
| } |
| |
| private Document createException(Document document, String classname, String message) |
| { |
| Element exceptionElement = document.createElement("Exception"); |
| document.appendChild(exceptionElement); |
| exceptionElement.setAttribute("classname", classname); |
| exceptionElement.setAttribute("errorMsg", message); |
| return document; |
| } |
| |
| } |