src/jdk.xml.bind/share/classes/com/sun/tools/internal/xjc/model/CPropertyInfo.java
changeset 47216 71c04702a3d5
parent 33547 e4c76ac38b12
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/src/jdk.xml.bind/share/classes/com/sun/tools/internal/xjc/model/CPropertyInfo.java	Tue Sep 12 19:03:39 2017 +0200
@@ -0,0 +1,347 @@
+/*
+ * Copyright (c) 1997, 2015, 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.model;
+
+import java.lang.annotation.Annotation;
+import java.util.Collection;
+import java.util.Map;
+
+import javax.xml.XMLConstants;
+import javax.xml.bind.annotation.XmlInlineBinaryData;
+import javax.xml.bind.annotation.XmlSchemaType;
+import javax.xml.bind.annotation.XmlTransient;
+import javax.xml.bind.annotation.adapters.XmlJavaTypeAdapter;
+import javax.xml.namespace.QName;
+
+import com.sun.codemodel.internal.JClass;
+import com.sun.codemodel.internal.JJavaName;
+import com.sun.codemodel.internal.JType;
+import com.sun.tools.internal.xjc.Plugin;
+import com.sun.tools.internal.xjc.generator.bean.field.FieldRenderer;
+import com.sun.tools.internal.xjc.model.nav.NClass;
+import com.sun.tools.internal.xjc.model.nav.NType;
+import com.sun.tools.internal.xjc.reader.Ring;
+import com.sun.xml.internal.bind.api.impl.NameConverter;
+import com.sun.xml.internal.bind.v2.model.core.PropertyInfo;
+import com.sun.xml.internal.bind.v2.runtime.RuntimeUtil;
+import com.sun.xml.internal.xsom.XSComponent;
+
+import org.xml.sax.ErrorHandler;
+import org.xml.sax.Locator;
+
+/**
+ * Model of a property to be generated.
+ *
+ * @author Kohsuke Kawaguchi
+ */
+public abstract class CPropertyInfo implements PropertyInfo<NType,NClass>, CCustomizable {
+
+    @XmlTransient
+    private CClassInfo parent;
+    private String privateName;
+    private String publicName;
+    private final boolean isCollection;
+
+    @XmlTransient
+    public final Locator locator;
+
+    /**
+     * @see #getSchemaComponent()
+     */
+    private final XSComponent source;
+
+    /**
+     * If the base type of the property is overriden,
+     * this field is set to non-null.
+     */
+    public JType baseType;
+
+    /**
+     * Javadoc for this property. Must not be null.
+     */
+    public String javadoc="";
+
+    /**
+     * Property annotated with {@link javax.xml.bind.annotation.XmlInlineBinaryData}.
+     */
+    public boolean inlineBinaryData;
+
+    /**
+     * Specifies how the field is generated by the backend.
+     */
+    @XmlJavaTypeAdapter(RuntimeUtil.ToStringAdapter.class)
+    public FieldRenderer realization;
+
+    /**
+     * If non-null, keeps the default value in Java representation.
+     *
+     * If {@link #isCollection} is true, this field is always null,
+     * for we don't handle default values for a list.
+     */
+    public CDefaultValue defaultValue;
+
+    private final CCustomizations customizations;
+
+    protected CPropertyInfo(String name, boolean collection, XSComponent source,
+                            CCustomizations customizations, Locator locator) {
+        this.publicName = name;
+        String n = null;
+
+        Model m = Ring.get(Model.class);
+        if (m != null) {
+            n = m.getNameConverter().toVariableName(name);
+        } else {
+            n = NameConverter.standard.toVariableName(name);
+        }
+
+        if(!JJavaName.isJavaIdentifier(n))
+            n = '_'+n;  // avoid colliding with the reserved names like 'abstract'.
+        this.privateName = n;
+
+        this.isCollection = collection;
+        this.locator = locator;
+        if(customizations==null)
+            this.customizations = CCustomizations.EMPTY;
+        else
+            this.customizations = customizations;
+        this.source = source;
+    }
+
+    // called from CClassInfo when added
+    final void setParent( CClassInfo parent ) {
+        assert this.parent==null;
+        assert parent!=null;
+        this.parent = parent;
+        customizations.setParent(parent.model,this);
+    }
+
+    public CTypeInfo parent() {
+        return parent;
+    }
+
+    public Locator getLocator() {
+        return locator;
+    }
+
+    /**
+     * If this model object is built from XML Schema,
+     * this property returns a schema component from which the model is built.
+     *
+     * @return
+     *      null if the model is built from sources other than XML Schema
+     *      (such as DTD.)
+     */
+    public final XSComponent getSchemaComponent() {
+        return source;
+    }
+
+    public abstract CAdapter getAdapter();
+
+    /**
+     * Name of the property.
+     *
+     * <p>
+     * This method is implemented to follow the contract of
+     * {@link PropertyInfo#getName()}, and therefore it always
+     * returns the name of the annotated field.
+     * <p>
+     * This name is normally not useful for the rest of XJC,
+     * which usually wants to access the "public name" of the property.
+     * A "public name" of the property is a name like "FooBar" which
+     * is used as a seed for generating the accessor methods.
+     * This is the name controlled by the schema customization via users.
+     *
+     * <p>
+     * If the caller is calling this method statically, it's usually
+     * the sign of a mistake. Use {@link #getName(boolean)} method instead,
+     * which forces you to think about which name you want to get.
+     *
+     * @deprecated
+     *      marked as deprecated so that we can spot the use of this method.
+     *
+     * @see #getName(boolean)
+     */
+    public String getName() {
+        return getName(false);
+    }
+
+    /**
+     * Gets the name of the property.
+     *
+     * @param isPublic
+     *      if true, this method returns a name like "FooBar", which
+     *      should be used as a seed for generating user-visible names
+     *      (such as accessors like "getFooBar".)
+     *
+     *      <p>
+     *      if false, this method returns the "name of the property"
+     *      as defined in the j2s side of the spec. This name is usually
+     *      something like "fooBar", which often corresponds to the XML
+     *      element/attribute name of this property (for taking advantage
+     *      of annotation defaulting as much as possible)
+     */
+    public String getName(boolean isPublic) {
+        return isPublic?publicName:privateName;
+    }
+
+    /**
+     * Overrides the name of the property.
+     *
+     * This method can be used from {@link Plugin#postProcessModel(Model, ErrorHandler)}.
+     * But the caller should do so with the understanding that this is inherently
+     * dangerous method.
+     */
+    public void setName(boolean isPublic, String newName) {
+        if(isPublic)
+            publicName = newName;
+        else
+            privateName = newName;
+    }
+
+    public String displayName() {
+        return parent.toString()+'#'+getName(false);
+    }
+
+    public boolean isCollection() {
+        return isCollection;
+    }
+
+
+    public abstract Collection<? extends CTypeInfo> ref();
+
+    /**
+     * Returns true if this property is "unboxable".
+     *
+     * <p>
+     * In general, a property often has to be capable of representing null
+     * to indicate the absence of the value. This requires properties
+     * to be generated as {@code @XmlElement Float f}, not as
+     * {@code @XmlElement float f;}. But this is slow.
+     *
+     * <p>
+     * Fortunately, there are cases where we know that the property can
+     * never legally be absent. When this condition holds we can generate
+     * the optimized "unboxed form".
+     *
+     * <p>
+     * The exact such conditions depend
+     * on the kind of properties, so refer to the implementation code
+     * for the details.
+     *
+     * <p>
+     * This method returns true when the property can be generated
+     * as "unboxed form", false otherwise.
+     *
+     * <p>
+     * When this property is a collection, this method returns true
+     * if items in the collection is unboxable. Obviously, the collection
+     * itself is always a reference type.
+     */
+    public boolean isUnboxable() {
+        Collection<? extends CTypeInfo> ts = ref();
+        if(ts.size()!=1)
+            // if the property is heterogeneous, no way.
+            // ts.size()==0 is a special case that can happen for wildcards.
+            return false;
+
+        if(baseType!=null && (baseType instanceof JClass))
+            return false;
+
+        CTypeInfo t = ts.iterator().next();
+        // only a primitive type is eligible.
+        return t.getType().isBoxedType();
+    }
+
+    /**
+     * Returns true if this property needs to represent null
+     * just for the purpose of representing an absence of the property.
+     */
+    public boolean isOptionalPrimitive() {
+        return false;
+    }
+
+    public CCustomizations getCustomizations() {
+        return customizations;
+    }
+
+    public boolean inlineBinaryData() {
+        return inlineBinaryData;
+    }
+
+    public abstract <V> V accept( CPropertyVisitor<V> visitor );
+
+    public abstract <R, P> R accept( CPropertyVisitor2<R, P> visitor, P p );
+
+    /**
+     * Checks if the given {@link TypeUse} would need an explicit {@link XmlSchemaType}
+     * annotation with the given type name.
+     */
+    protected static boolean needsExplicitTypeName(TypeUse type, QName typeName) {
+        if(typeName==null)
+            // this is anonymous type. can't have @XmlSchemaType
+            return false;
+
+        if(!XMLConstants.W3C_XML_SCHEMA_NS_URI.equals(typeName.getNamespaceURI()))
+            // if we put application-defined type name, it will be undefined
+            // by the time we generate a schema.
+            return false;
+
+        if(type.isCollection())
+            // there's no built-in binding for a list simple type,
+            // so any collection type always need @XmlSchemaType
+            return true;
+
+        QName itemType = type.getInfo().getTypeName();
+        if(itemType==null)
+            // this is somewhat strange case, as it means the bound type is anonymous
+            // but it's eventually derived by a named type and used.
+            // but we can certainly use typeName as @XmlSchemaType value here
+            return true;
+
+        // if it's the default type name for this item, then no need
+        return !itemType.equals(typeName);
+    }
+
+    /**
+     * Puts the element names that this property possesses to the map,
+     * so that we can find two properties that own the same element name,
+     * which is an error.
+     *
+     * @return
+     *      null if no conflict was found. Otherwise return the QName that has the collision.
+     */
+    public QName collectElementNames(Map<QName,CPropertyInfo> table) {
+        return null;
+    }
+
+    public final <A extends Annotation> A readAnnotation(Class<A> annotationType) {
+        throw new UnsupportedOperationException();
+    }
+
+    public final boolean hasAnnotation(Class<? extends Annotation> annotationType) {
+        throw new UnsupportedOperationException();
+    }
+}