Java tutorial
/* * Copyright (c) 2000-2004 Netspective Communications LLC. All rights reserved. * * Netspective Communications LLC ("Netspective") permits redistribution, modification and use of this file in source * and binary form ("The Software") under the Netspective Source License ("NSL" or "The License"). The following * conditions are provided as a summary of the NSL but the NSL remains the canonical license and must be accepted * before using The Software. Any use of The Software indicates agreement with the NSL. * * 1. Each copy or derived work of The Software must preserve the copyright notice and this notice unmodified. * * 2. Redistribution of The Software is allowed in object code form only (as Java .class files or a .jar file * containing the .class files) and only as part of an application that uses The Software as part of its primary * functionality. No distribution of the package is allowed as part of a software development kit, other library, * or development tool without written consent of Netspective. Any modified form of The Software is bound by these * same restrictions. * * 3. Redistributions of The Software in any form must include an unmodified copy of The License, normally in a plain * ASCII text file unless otherwise agreed to, in writing, by Netspective. * * 4. The names "Netspective", "Axiom", "Commons", "Junxion", and "Sparx" are trademarks of Netspective and may not be * used to endorse or appear in products derived from The Software without written consent of Netspective. * * THE SOFTWARE IS PROVIDED "AS IS" WITHOUT A WARRANTY OF ANY KIND. ALL EXPRESS OR IMPLIED REPRESENTATIONS AND * WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, * ARE HEREBY DISCLAIMED. * * NETSPECTIVE AND ITS LICENSORS SHALL NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE OR ANY THIRD PARTY AS A * RESULT OF USING OR DISTRIBUTING THE SOFTWARE. IN NO EVENT WILL NETSPECTIVE OR ITS LICENSORS BE LIABLE FOR ANY LOST * REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL, CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER * CAUSED AND REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR INABILITY TO USE THE SOFTWARE, EVEN * IF IT HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. */ package com.netspective.commons.lang; import java.io.IOException; import java.util.HashMap; import java.util.Map; import org.apache.commons.logging.Log; import org.apache.commons.logging.LogFactory; import org.apache.xpath.XPathAPI; import org.w3c.dom.Document; import org.w3c.dom.Node; public class ClassJavaDoc extends JavaDoc { private static final Log log = LogFactory.getLog(ClassJavaDoc.class); private Document xmlDocument; private Map methodJavaDocsByMethodName = new HashMap(); public ClassJavaDoc(Class owner) { setOwner(owner); } public Document getXmlDocument() { return xmlDocument; } protected void setOwner(Class owner) { super.setOwner(owner); setName(owner.getName()); try { setXmlDocument(JavaDocs.getInstance().getXmlDocForClass(getOwner())); } catch (IOException e) { log.error("Unable to retrievel XML document for class " + owner.getName(), e); setRetrievalError(e); } } protected void setXmlDocument(Document xmlDocument) { this.xmlDocument = xmlDocument; if (xmlDocument == null) { setFound(false); return; } try { Node descrLeadNode = XPathAPI.selectSingleNode(xmlDocument.getDocumentElement(), "/*/description/lead"); Node descrDetailNode = XPathAPI.selectSingleNode(xmlDocument.getDocumentElement(), "/*/description/detail"); if (descrLeadNode != null) setDescriptionLead(descrLeadNode.getFirstChild().getNodeValue()); if (descrDetailNode != null) setDescriptionDetail(descrDetailNode.getFirstChild().getNodeValue()); } catch (Exception e) { log.error("Error retrieving description for class " + getOwner(), e); setRetrievalError(e); } } public MethodJavaDoc getMethodDoc(String methodName) { MethodJavaDoc result = (MethodJavaDoc) methodJavaDocsByMethodName.get(methodName); if (result == null) { result = new MethodJavaDoc(this, methodName); methodJavaDocsByMethodName.put(methodName, result); } return result; } }