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

comparison: src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/property/PropertyFactory.java

src/share/jaxws_classes/com/sun/xml/internal/bind/v2/runtime/property/PropertyFactory.java

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1 /*
2 * Copyright (c) 1997, 2011, Oracle and/or its affiliates. All rights reserved.
3 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
4 *
5 * This code is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License version 2 only, as
7 * published by the Free Software Foundation. Oracle designates this
8 * particular file as subject to the "Classpath" exception as provided
9 * by Oracle in the LICENSE file that accompanied this code.
10 *
11 * This code is distributed in the hope that it will be useful, but WITHOUT
12 * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
13 * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
14 * version 2 for more details (a copy is included in the LICENSE file that
15 * accompanied this code).
16 *
17 * You should have received a copy of the GNU General Public License version
18 * 2 along with this work; if not, write to the Free Software Foundation,
19 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
20 *
21 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
22 * or visit www.oracle.com if you need additional information or have any
23 * questions.
24 */
25
26 package com.sun.xml.internal.bind.v2.runtime.property;
27
28 import java.lang.reflect.Constructor;
29 import java.lang.reflect.InvocationTargetException;
30 import java.util.Collection;
31
32 import com.sun.xml.internal.bind.v2.model.core.ID;
33 import com.sun.xml.internal.bind.v2.model.core.PropertyKind;
34 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeAttributePropertyInfo;
35 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeElementPropertyInfo;
36 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeNonElement;
37 import com.sun.xml.internal.bind.v2.model.runtime.RuntimePropertyInfo;
38 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeTypeInfo;
39 import com.sun.xml.internal.bind.v2.model.runtime.RuntimeValuePropertyInfo;
40 import com.sun.xml.internal.bind.v2.runtime.JAXBContextImpl;
41
42 /**
43 * Create {@link Property} objects.
44 *
45 * @author Kohsuke Kawaguchi (kk@kohsuke.org)
46 */
47 public abstract class PropertyFactory {
48 private PropertyFactory() {}
49
50
51 /**
52 * Constructors of the {@link Property} implementation.
53 */
54 private static final Constructor<? extends Property>[] propImpls;
55
56 static {
57 Class<? extends Property>[] implClasses = new Class[] {
58 SingleElementLeafProperty.class,
59 null, // single reference leaf --- but there's no such thing as "reference leaf"
60 null, // no such thing as "map leaf"
61
62 ArrayElementLeafProperty.class,
63 null, // array reference leaf --- but there's no such thing as "reference leaf"
64 null, // no such thing as "map leaf"
65
66 SingleElementNodeProperty.class,
67 SingleReferenceNodeProperty.class,
68 SingleMapNodeProperty.class,
69
70 ArrayElementNodeProperty.class,
71 ArrayReferenceNodeProperty.class,
72 null, // map is always a single property (Map doesn't implement Collection)
73 };
74
75 propImpls = new Constructor[implClasses.length];
76 for( int i=0; i<propImpls.length; i++ ) {
77 if(implClasses[i]!=null)
78 // this pointless casting necessary for Mustang
79 propImpls[i] = (Constructor)implClasses[i].getConstructors()[0];
80 }
81 }
82
83 /**
84 * Creates/obtains a properly configured {@link Property}
85 * object from the given description.
86 */
87 public static Property create( JAXBContextImpl grammar, RuntimePropertyInfo info ) {
88
89 PropertyKind kind = info.kind();
90
91 switch(kind) {
92 case ATTRIBUTE:
93 return new AttributeProperty(grammar,(RuntimeAttributePropertyInfo)info);
94 case VALUE:
95 return new ValueProperty(grammar,(RuntimeValuePropertyInfo)info);
96 case ELEMENT:
97 if(((RuntimeElementPropertyInfo)info).isValueList())
98 return new ListElementProperty(grammar,(RuntimeElementPropertyInfo) info);
99 break;
100 case REFERENCE:
101 case MAP:
102 break;
103 default:
104 assert false;
105 }
106
107
108 boolean isCollection = info.isCollection();
109 boolean isLeaf = isLeaf(info);
110
111 Constructor<? extends Property> c = propImpls[(isLeaf?0:6)+(isCollection?3:0)+kind.propertyIndex];
112 try {
113 return c.newInstance( grammar, info );
114 } catch (InstantiationException e) {
115 throw new InstantiationError(e.getMessage());
116 } catch (IllegalAccessException e) {
117 throw new IllegalAccessError(e.getMessage());
118 } catch (InvocationTargetException e) {
119 Throwable t = e.getCause();
120 if(t instanceof Error)
121 throw (Error)t;
122 if(t instanceof RuntimeException)
123 throw (RuntimeException)t;
124
125 throw new AssertionError(t);
126 }
127 }
128
129 /**
130 * Look for the case that can be optimized as a leaf,
131 * which is a kind of type whose XML representation is just PCDATA.
132 */
133 static boolean isLeaf(RuntimePropertyInfo info) {
134 Collection<? extends RuntimeTypeInfo> types = info.ref();
135 if(types.size()!=1) return false;
136
137 RuntimeTypeInfo rti = types.iterator().next();
138 if(!(rti instanceof RuntimeNonElement)) return false;
139
140 if(info.id()==ID.IDREF)
141 // IDREF is always handled as leaf -- Transducer maps IDREF String back to an object
142 return true;
143
144 if(((RuntimeNonElement)rti).getTransducer()==null)
145 // Transducer!=null means definitely binds to PCDATA.
146 // even if transducer==null, a referene might be IDREF,
147 // in which case it will still produce PCDATA in this reference.
148 return false;
149
150 if(!info.getIndividualType().equals(rti.getType()))
151 return false;
152
153 return true;
154 }
155 }

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