| /* |
| * Copyright (c) 1997, 2012, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
| * version 2 for more details (a copy is included in the LICENSE file that |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| package com.sun.tools.internal.xjc.reader.dtd.bindinfo; |
| |
| import java.io.IOException; |
| import java.io.StringReader; |
| import java.util.Map; |
| |
| import javax.xml.bind.annotation.adapters.XmlAdapter; |
| import javax.xml.parsers.DocumentBuilderFactory; |
| import javax.xml.parsers.ParserConfigurationException; |
| |
| import com.sun.codemodel.internal.JClass; |
| import com.sun.codemodel.internal.JClassAlreadyExistsException; |
| import com.sun.codemodel.internal.JCodeModel; |
| import com.sun.codemodel.internal.JDefinedClass; |
| import com.sun.codemodel.internal.JExpr; |
| import com.sun.codemodel.internal.JExpression; |
| import com.sun.codemodel.internal.JMethod; |
| import com.sun.codemodel.internal.JMod; |
| import com.sun.codemodel.internal.JPackage; |
| import com.sun.codemodel.internal.JPrimitiveType; |
| import com.sun.codemodel.internal.JType; |
| import com.sun.codemodel.internal.JVar; |
| import com.sun.tools.internal.xjc.model.CAdapter; |
| import com.sun.tools.internal.xjc.model.CBuiltinLeafInfo; |
| import com.sun.tools.internal.xjc.model.TypeUse; |
| import com.sun.tools.internal.xjc.model.TypeUseFactory; |
| |
| import com.sun.xml.internal.bind.v2.util.XmlFactory; |
| import org.w3c.dom.Element; |
| import org.xml.sax.InputSource; |
| import org.xml.sax.Locator; |
| import org.xml.sax.SAXException; |
| |
| /** |
| * <conversion> declaration in the binding file. |
| * This declaration declares a conversion by user-specified methods. |
| */ |
| public class BIUserConversion implements BIConversion |
| { |
| /** |
| * Wraps a given <conversion> element in the binding file. |
| */ |
| BIUserConversion( BindInfo bi, Element _e ) { |
| this.owner = bi; |
| this.e = _e; |
| } |
| |
| private static void add( Map<String,BIConversion> m, BIConversion c ) { |
| m.put( c.name(), c ); |
| } |
| |
| /** Adds all built-in conversions into the given map. */ |
| static void addBuiltinConversions( BindInfo bi, Map<String,BIConversion> m ) { |
| add( m, new BIUserConversion( bi, parse("<conversion name='boolean' type='java.lang.Boolean' parse='getBoolean' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='byte' type='java.lang.Byte' parse='parseByte' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='short' type='java.lang.Short' parse='parseShort' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='int' type='java.lang.Integer' parse='parseInt' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='long' type='java.lang.Long' parse='parseLong' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='float' type='java.lang.Float' parse='parseFloat' />"))); |
| add( m, new BIUserConversion( bi, parse("<conversion name='double' type='java.lang.Double' parse='parseDouble' />"))); |
| } |
| |
| private static Element parse(String text) { |
| try { |
| //this is parsing well known schemas, do not configure secure processing - always true |
| DocumentBuilderFactory dbf = XmlFactory.createDocumentBuilderFactory(false); |
| InputSource is = new InputSource(new StringReader(text)); |
| return dbf.newDocumentBuilder().parse(is).getDocumentElement(); |
| } catch (SAXException x) { |
| throw new Error(x); |
| } catch (IOException x) { |
| throw new Error(x); |
| } catch (ParserConfigurationException x) { |
| throw new Error(x); |
| } |
| } |
| |
| |
| /** The owner {@link BindInfo} object to which this object belongs. */ |
| private final BindInfo owner; |
| |
| /** <conversion> element which this object is wrapping. */ |
| private final Element e; |
| |
| |
| |
| /** Gets the location where this declaration is declared. */ |
| public Locator getSourceLocation() { |
| return DOMLocator.getLocationInfo(e); |
| } |
| |
| /** Gets the conversion name. */ |
| public String name() { return DOMUtil.getAttribute(e,"name"); } |
| |
| /** Gets a transducer for this conversion. */ |
| public TypeUse getTransducer() { |
| |
| String ws = DOMUtil.getAttribute(e,"whitespace"); |
| if(ws==null) ws = "collapse"; |
| |
| String type = DOMUtil.getAttribute(e,"type"); |
| if(type==null) type=name(); |
| JType t=null; |
| |
| int idx = type.lastIndexOf('.'); |
| if(idx<0) { |
| // no package name is specified. |
| try { |
| t = JPrimitiveType.parse(owner.codeModel,type); |
| } catch( IllegalArgumentException ex ) { |
| // otherwise treat it as a class name in the current package |
| type = owner.getTargetPackage().name()+'.'+type; |
| } |
| } |
| if(t==null) { |
| try { |
| // TODO: revisit this later |
| JDefinedClass cls = owner.codeModel._class(type); |
| cls.hide(); |
| t = cls; |
| } catch( JClassAlreadyExistsException ex ) { |
| t = ex.getExistingClass(); |
| } |
| } |
| |
| String parse = DOMUtil.getAttribute(e,"parse"); |
| if(parse==null) parse="new"; |
| |
| String print = DOMUtil.getAttribute(e,"print"); |
| if(print==null) print="toString"; |
| |
| JDefinedClass adapter = generateAdapter(owner.codeModel, parse, print, t.boxify()); |
| |
| // XmlJavaType customization always converts between string and an user-defined type. |
| return TypeUseFactory.adapt(CBuiltinLeafInfo.STRING,new CAdapter(adapter)); |
| } |
| |
| // TODO: anyway to reuse this code between XML Schema compiler? |
| private JDefinedClass generateAdapter(JCodeModel cm, String parseMethod, String printMethod, JClass inMemoryType) { |
| JDefinedClass adapter = null; |
| |
| int id = 1; |
| while(adapter==null) { |
| try { |
| JPackage pkg = owner.getTargetPackage(); |
| adapter = pkg._class("Adapter"+id); |
| } catch (JClassAlreadyExistsException ex) { |
| // try another name in search for an unique name. |
| // this isn't too efficient, but we expect people to usually use |
| // a very small number of adapters. |
| id++; |
| } |
| } |
| |
| adapter._extends(cm.ref(XmlAdapter.class).narrow(String.class).narrow(inMemoryType)); |
| |
| JMethod unmarshal = adapter.method(JMod.PUBLIC, inMemoryType, "unmarshal"); |
| JVar $value = unmarshal.param(String.class, "value"); |
| |
| JExpression inv; |
| |
| if( parseMethod.equals("new") ) { |
| // "new" indicates that the constructor of the target type |
| // will do the unmarshalling. |
| |
| // RESULT: new <type>() |
| inv = JExpr._new(inMemoryType).arg($value); |
| } else { |
| int idx = parseMethod.lastIndexOf('.'); |
| if(idx<0) { |
| // parseMethod specifies the static method of the target type |
| // which will do the unmarshalling. |
| |
| // because of an error check at the constructor, |
| // we can safely assume that this cast works. |
| inv = inMemoryType.staticInvoke(parseMethod).arg($value); |
| } else { |
| inv = JExpr.direct(parseMethod+"(value)"); |
| } |
| } |
| unmarshal.body()._return(inv); |
| |
| |
| JMethod marshal = adapter.method(JMod.PUBLIC, String.class, "marshal"); |
| $value = marshal.param(inMemoryType,"value"); |
| |
| int idx = printMethod.lastIndexOf('.'); |
| if(idx<0) { |
| // printMethod specifies a method in the target type |
| // which performs the serialization. |
| |
| // RESULT: <value>.<method>() |
| inv = $value.invoke(printMethod); |
| } else { |
| // RESULT: <className>.<method>(<value>) |
| inv = JExpr.direct(printMethod+"(value)"); |
| } |
| marshal.body()._return(inv); |
| |
| return adapter; |
| } |
| } |