| /* |
| * Copyright (c) 1997, 2011, 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.xml.internal.bind.v2.runtime.property; |
| |
| import java.lang.reflect.Constructor; |
| import java.lang.reflect.InvocationTargetException; |
| import java.util.Collection; |
| |
| import com.sun.xml.internal.bind.v2.model.core.ID; |
| import com.sun.xml.internal.bind.v2.model.core.PropertyKind; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimeAttributePropertyInfo; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementPropertyInfo; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElement; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeInfo; |
| import com.sun.xml.internal.bind.v2.model.runtime.RuntimeValuePropertyInfo; |
| import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl; |
| |
| /** |
| * Create {@link Property} objects. |
| * |
| * @author Kohsuke Kawaguchi (kk@kohsuke.org) |
| */ |
| public abstract class PropertyFactory { |
| private PropertyFactory() {} |
| |
| |
| /** |
| * Constructors of the {@link Property} implementation. |
| */ |
| private static final Constructor<? extends Property>[] propImpls; |
| |
| static { |
| Class<? extends Property>[] implClasses = new Class[] { |
| SingleElementLeafProperty.class, |
| null, // single reference leaf --- but there's no such thing as "reference leaf" |
| null, // no such thing as "map leaf" |
| |
| ArrayElementLeafProperty.class, |
| null, // array reference leaf --- but there's no such thing as "reference leaf" |
| null, // no such thing as "map leaf" |
| |
| SingleElementNodeProperty.class, |
| SingleReferenceNodeProperty.class, |
| SingleMapNodeProperty.class, |
| |
| ArrayElementNodeProperty.class, |
| ArrayReferenceNodeProperty.class, |
| null, // map is always a single property (Map doesn't implement Collection) |
| }; |
| |
| propImpls = new Constructor[implClasses.length]; |
| for( int i=0; i<propImpls.length; i++ ) { |
| if(implClasses[i]!=null) |
| // this pointless casting necessary for Mustang |
| propImpls[i] = (Constructor)implClasses[i].getConstructors()[0]; |
| } |
| } |
| |
| /** |
| * Creates/obtains a properly configured {@link Property} |
| * object from the given description. |
| */ |
| public static Property create( JAXBContextImpl grammar, RuntimePropertyInfo info ) { |
| |
| PropertyKind kind = info.kind(); |
| |
| switch(kind) { |
| case ATTRIBUTE: |
| return new AttributeProperty(grammar,(RuntimeAttributePropertyInfo)info); |
| case VALUE: |
| return new ValueProperty(grammar,(RuntimeValuePropertyInfo)info); |
| case ELEMENT: |
| if(((RuntimeElementPropertyInfo)info).isValueList()) |
| return new ListElementProperty(grammar,(RuntimeElementPropertyInfo) info); |
| break; |
| case REFERENCE: |
| case MAP: |
| break; |
| default: |
| assert false; |
| } |
| |
| |
| boolean isCollection = info.isCollection(); |
| boolean isLeaf = isLeaf(info); |
| |
| Constructor<? extends Property> c = propImpls[(isLeaf?0:6)+(isCollection?3:0)+kind.propertyIndex]; |
| try { |
| return c.newInstance( grammar, info ); |
| } catch (InstantiationException e) { |
| throw new InstantiationError(e.getMessage()); |
| } catch (IllegalAccessException e) { |
| throw new IllegalAccessError(e.getMessage()); |
| } catch (InvocationTargetException e) { |
| Throwable t = e.getCause(); |
| if(t instanceof Error) |
| throw (Error)t; |
| if(t instanceof RuntimeException) |
| throw (RuntimeException)t; |
| |
| throw new AssertionError(t); |
| } |
| } |
| |
| /** |
| * Look for the case that can be optimized as a leaf, |
| * which is a kind of type whose XML representation is just PCDATA. |
| */ |
| static boolean isLeaf(RuntimePropertyInfo info) { |
| Collection<? extends RuntimeTypeInfo> types = info.ref(); |
| if(types.size()!=1) return false; |
| |
| RuntimeTypeInfo rti = types.iterator().next(); |
| if(!(rti instanceof RuntimeNonElement)) return false; |
| |
| if(info.id()==ID.IDREF) |
| // IDREF is always handled as leaf -- Transducer maps IDREF String back to an object |
| return true; |
| |
| if(((RuntimeNonElement)rti).getTransducer()==null) |
| // Transducer!=null means definitely binds to PCDATA. |
| // even if transducer==null, a referene might be IDREF, |
| // in which case it will still produce PCDATA in this reference. |
| return false; |
| |
| if(!info.getIndividualType().equals(rti.getType())) |
| return false; |
| |
| return true; |
| } |
| } |