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 java.util.AbstractList;
aoqi@0: import java.util.Collections;
aoqi@0: import java.util.List;
aoqi@0: import javax.xml.namespace.QName;
aoqi@0: 
aoqi@0: /**
aoqi@0:  * Pluggable datatype writer.
aoqi@0:  *
aoqi@0:  * @author Kohsuke Kawaguchi
aoqi@0:  */
aoqi@0: public interface DatatypeWriter<DT> {
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Gets the Java class that this writer can write.
aoqi@0:      *
aoqi@0:      * @return
aoqi@0:      *      must not be null. Must be the same value always.
aoqi@0:      */
aoqi@0:     Class<DT> getType();
aoqi@0: 
aoqi@0:     /**
aoqi@0:      * Prints the given datatype object and appends that result
aoqi@0:      * into the given buffer.
aoqi@0:      *
aoqi@0:      * @param dt
aoqi@0:      *      the datatype object to be printed.
aoqi@0:      * @param resolver
aoqi@0:      *      allows the converter to declare additional namespace prefixes.
aoqi@0:      */
aoqi@0:     void print(DT dt, NamespaceResolver resolver, StringBuilder buf);
aoqi@0: 
aoqi@0:     static final List<DatatypeWriter<?>> BUILTIN = Collections.unmodifiableList(new AbstractList() {
aoqi@0: 
aoqi@0:         private DatatypeWriter<?>[] BUILTIN_ARRAY = new DatatypeWriter<?>[] {
aoqi@0:             new DatatypeWriter<String>() {
aoqi@0:                 public Class<String> getType() {
aoqi@0:                     return String.class;
aoqi@0:                 }
aoqi@0:                 public void print(String s, NamespaceResolver resolver, StringBuilder buf) {
aoqi@0:                     buf.append(s);
aoqi@0:                 }
aoqi@0:             },
aoqi@0:             new DatatypeWriter<Integer>() {
aoqi@0:                 public Class<Integer> getType() {
aoqi@0:                     return Integer.class;
aoqi@0:                 }
aoqi@0:                 public void print(Integer i, NamespaceResolver resolver, StringBuilder buf) {
aoqi@0:                     buf.append(i);
aoqi@0:                 }
aoqi@0:             },
aoqi@0:             new DatatypeWriter<Float>() {
aoqi@0:                 public Class<Float> getType() {
aoqi@0:                     return Float.class;
aoqi@0:                 }
aoqi@0:                 public void print(Float f, NamespaceResolver resolver, StringBuilder buf) {
aoqi@0:                     buf.append(f);
aoqi@0:                 }
aoqi@0:             },
aoqi@0:             new DatatypeWriter<Double>() {
aoqi@0:                 public Class<Double> getType() {
aoqi@0:                     return Double.class;
aoqi@0:                 }
aoqi@0:                 public void print(Double d, NamespaceResolver resolver, StringBuilder buf) {
aoqi@0:                     buf.append(d);
aoqi@0:                 }
aoqi@0:             },
aoqi@0:             new DatatypeWriter<QName>() {
aoqi@0:                 public Class<QName> getType() {
aoqi@0:                     return QName.class;
aoqi@0:                 }
aoqi@0:                 public void print(QName qn, NamespaceResolver resolver, StringBuilder buf) {
aoqi@0:                     String p = resolver.getPrefix(qn.getNamespaceURI());
aoqi@0:                     if(p.length()!=0)
aoqi@0:                         buf.append(p).append(':');
aoqi@0:                     buf.append(qn.getLocalPart());
aoqi@0:                 }
aoqi@0:             }
aoqi@0:         };
aoqi@0: 
aoqi@0:         public DatatypeWriter<?> get(int n) {
aoqi@0:           return BUILTIN_ARRAY[n];
aoqi@0:         }
aoqi@0: 
aoqi@0:         public int size() {
aoqi@0:           return BUILTIN_ARRAY.length;
aoqi@0:         }
aoqi@0:       });
aoqi@0: }