aoqi@0: /*
aoqi@0:  * Copyright (c) 2005, 2010, Oracle and/or its affiliates. All rights reserved.
aoqi@0:  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
aoqi@0:  *
aoqi@0:  * This code is free software; you can redistribute it and/or modify it
aoqi@0:  * under the terms of the GNU General Public License version 2 only, as
aoqi@0:  * published by the Free Software Foundation.  Oracle designates this
aoqi@0:  * particular file as subject to the "Classpath" exception as provided
aoqi@0:  * by Oracle in the LICENSE file that accompanied this code.
aoqi@0:  *
aoqi@0:  * This code is distributed in the hope that it will be useful, but WITHOUT
aoqi@0:  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
aoqi@0:  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
aoqi@0:  * version 2 for more details (a copy is included in the LICENSE file that
aoqi@0:  * accompanied this code).
aoqi@0:  *
aoqi@0:  * You should have received a copy of the GNU General Public License version
aoqi@0:  * 2 along with this work; if not, write to the Free Software Foundation,
aoqi@0:  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
aoqi@0:  *
aoqi@0:  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
aoqi@0:  * or visit www.oracle.com if you need additional information or have any
aoqi@0:  * questions.
aoqi@0:  */
aoqi@0: 
aoqi@0: package com.sun.xml.internal.txw2;
aoqi@0: 
aoqi@0: import com.sun.xml.internal.txw2.output.XmlSerializer;
aoqi@0: import com.sun.xml.internal.txw2.output.TXWSerializer;
aoqi@0: import com.sun.xml.internal.txw2.annotation.XmlElement;
aoqi@0: import com.sun.xml.internal.txw2.annotation.XmlNamespace;
aoqi@0: 
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Entry point to TXW.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: public abstract class TXW {
aoqi@0:     private TXW() {}    // no instanciation please
aoqi@0: 
aoqi@0: 
aoqi@0:     /*package*/ static QName getTagName( Class<?> c ) {
aoqi@0:         String localName="";
aoqi@0:         String nsUri="##default";
aoqi@0: 
aoqi@0:         XmlElement xe = c.getAnnotation(XmlElement.class);
aoqi@0:         if(xe!=null) {
aoqi@0:             localName = xe.value();
aoqi@0:             nsUri = xe.ns();
aoqi@0:         }
aoqi@0: 
aoqi@0:         if(localName.length()==0) {
aoqi@0:             localName = c.getName();
aoqi@0:             int idx = localName.lastIndexOf('.');
aoqi@0:             if(idx>=0)
aoqi@0:                 localName = localName.substring(idx+1);
aoqi@0: 
aoqi@0:             localName = Character.toLowerCase(localName.charAt(0))+localName.substring(1);
aoqi@0:         }
aoqi@0: 
aoqi@0:         if(nsUri.equals("##default")) {
aoqi@0:             Package pkg = c.getPackage();
aoqi@0:             if(pkg!=null) {
aoqi@0:                 XmlNamespace xn = pkg.getAnnotation(XmlNamespace.class);
aoqi@0:                 if(xn!=null)
aoqi@0:                     nsUri = xn.value();
aoqi@0:             }
aoqi@0:         }
aoqi@0:         if(nsUri.equals("##default"))
aoqi@0:             nsUri = "";
aoqi@0: 
aoqi@0:         return new QName(nsUri,localName);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Creates a new {@link TypedXmlWriter} to write a new instance of a document.
aoqi@0:      *
aoqi@0:      * @param rootElement
aoqi@0:      *      The {@link TypedXmlWriter} interface that declares the content model of the root element.
aoqi@0:      *      This interface must have {@link XmlElement} annotation on it to designate the tag name
aoqi@0:      *      of the root element.
aoqi@0:      * @param out
aoqi@0:      *      The target of the writing.
aoqi@0:      */
aoqi@0:     public static <T extends TypedXmlWriter> T create( Class<T> rootElement, XmlSerializer out ) {
aoqi@0:         if (out instanceof TXWSerializer) {
aoqi@0:             TXWSerializer txws = (TXWSerializer) out;
aoqi@0:             return txws.txw._element(rootElement);
aoqi@0:         }
aoqi@0: 
aoqi@0:         Document doc = new Document(out);
aoqi@0:         QName n = getTagName(rootElement);
aoqi@0:         return new ContainerElement(doc,null,n.getNamespaceURI(),n.getLocalPart())._cast(rootElement);
aoqi@0:     }
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Creates a new {@link TypedXmlWriter} to write a new instance of a document.
aoqi@0:      *
aoqi@0:      * <p>
aoqi@0:      * Similar to the other method, but this version allows the caller to set the
aoqi@0:      * tag name at the run-time.
aoqi@0:      *
aoqi@0:      * @param tagName
aoqi@0:      *      The tag name of the root document.
aoqi@0:      *
aoqi@0:      * @see #create(Class,XmlSerializer)
aoqi@0:      */
aoqi@0:     public static <T extends TypedXmlWriter> T create( QName tagName, Class<T> rootElement, XmlSerializer out ) {
aoqi@0:         if (out instanceof TXWSerializer) {
aoqi@0:             TXWSerializer txws = (TXWSerializer) out;
aoqi@0:             return txws.txw._element(tagName,rootElement);
aoqi@0:         }
aoqi@0:         return new ContainerElement(new Document(out),null,tagName.getNamespaceURI(),tagName.getLocalPart())._cast(rootElement);
aoqi@0:     }
aoqi@0: }