Mercurial > jdk8-mips64-public > jaxws / file revision

 /*

  * 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;

     }

 }