1/* 2 * Copyright (c) 2005, 2012, Oracle and/or its affiliates. All rights reserved. 3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. 4 * 5 * This code is free software; you can redistribute it and/or modify it 6 * under the terms of the GNU General Public License version 2 only, as 7 * published by the Free Software Foundation. Oracle designates this 8 * particular file as subject to the "Classpath" exception as provided 9 * by Oracle in the LICENSE file that accompanied this code. 10 * 11 * This code is distributed in the hope that it will be useful, but WITHOUT 12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or 13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License 14 * version 2 for more details (a copy is included in the LICENSE file that 15 * accompanied this code). 16 * 17 * You should have received a copy of the GNU General Public License version 18 * 2 along with this work; if not, write to the Free Software Foundation, 19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. 20 * 21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA 22 * or visit www.oracle.com if you need additional information or have any 23 * questions. 24 */ 25 26package com.sun.xml.internal.txw2; 27 28import com.sun.xml.internal.txw2.output.XmlSerializer; 29import com.sun.xml.internal.txw2.output.TXWSerializer; 30import com.sun.xml.internal.txw2.annotation.XmlElement; 31import com.sun.xml.internal.txw2.annotation.XmlNamespace; 32 33import javax.xml.namespace.QName; 34 35/** 36 * Entry point to TXW. 37 * 38 * @author Kohsuke Kawaguchi 39 */ 40public abstract class TXW { 41 private TXW() {} // no instanciation please 42 43 44 /*package*/ static QName getTagName( Class<?> c ) { 45 String localName=""; 46 String nsUri="##default"; 47 48 XmlElement xe = c.getAnnotation(XmlElement.class); 49 if(xe!=null) { 50 localName = xe.value(); 51 nsUri = xe.ns(); 52 } 53 54 if(localName.length()==0) { 55 localName = c.getName(); 56 int idx = localName.lastIndexOf('.'); 57 if(idx>=0) 58 localName = localName.substring(idx+1); 59 60 localName = Character.toLowerCase(localName.charAt(0))+localName.substring(1); 61 } 62 63 if(nsUri.equals("##default")) { 64 Package pkg = c.getPackage(); 65 if(pkg!=null) { 66 XmlNamespace xn = pkg.getAnnotation(XmlNamespace.class); 67 if(xn!=null) 68 nsUri = xn.value(); 69 } 70 } 71 if(nsUri.equals("##default")) 72 nsUri = ""; 73 74 return new QName(nsUri,localName); 75 } 76 77 /** 78 * Creates a new {@link TypedXmlWriter} to write a new instance of a document. 79 * 80 * @param rootElement 81 * The {@link TypedXmlWriter} interface that declares the content model of the root element. 82 * This interface must have {@link XmlElement} annotation on it to designate the tag name 83 * of the root element. 84 * @param out 85 * The target of the writing. 86 */ 87 public static <T extends TypedXmlWriter> T create( Class<T> rootElement, XmlSerializer out ) { 88 if (out instanceof TXWSerializer) { 89 TXWSerializer txws = (TXWSerializer) out; 90 return txws.txw._element(rootElement); 91 } 92 93 Document doc = new Document(out); 94 QName n = getTagName(rootElement); 95 return new ContainerElement(doc,null,n.getNamespaceURI(),n.getLocalPart())._cast(rootElement); 96 } 97 98 /** 99 * Creates a new {@link TypedXmlWriter} to write a new instance of a document. 100 * 101 * <p> 102 * Similar to the other method, but this version allows the caller to set the 103 * tag name at the run-time. 104 * 105 * @param tagName 106 * The tag name of the root document. 107 * 108 * @see #create(Class,XmlSerializer) 109 */ 110 public static <T extends TypedXmlWriter> T create( QName tagName, Class<T> rootElement, XmlSerializer out ) { 111 if (out instanceof TXWSerializer) { 112 TXWSerializer txws = (TXWSerializer) out; 113 return txws.txw._element(tagName,rootElement); 114 } 115 return new ContainerElement(new Document(out),null,tagName.getNamespaceURI(),tagName.getLocalPart())._cast(rootElement); 116 } 117} 118