| /* |
| * Copyright 2006 Sun Microsystems, Inc. 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. Sun designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Sun 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 Sun Microsystems, Inc., 4150 Network Circle, Santa Clara, |
| * CA 95054 USA or visit www.sun.com if you need additional information or |
| * have any questions. |
| */ |
| |
| package com.sun.tools.internal.txw2.model; |
| |
| import com.sun.codemodel.JAnnotationUse; |
| import com.sun.codemodel.JDefinedClass; |
| import com.sun.codemodel.JMethod; |
| import com.sun.codemodel.JMod; |
| import com.sun.codemodel.JType; |
| import com.sun.tools.internal.txw2.NameUtil; |
| import com.sun.tools.internal.txw2.model.prop.ElementProp; |
| import com.sun.tools.internal.txw2.model.prop.LeafElementProp; |
| import com.sun.tools.internal.txw2.model.prop.Prop; |
| import com.sun.xml.internal.txw2.TypedXmlWriter; |
| import com.sun.xml.internal.txw2.annotation.XmlElement; |
| import org.xml.sax.Locator; |
| |
| import javax.xml.namespace.QName; |
| import java.util.HashSet; |
| import java.util.Set; |
| |
| /** |
| * Element declaration. |
| * |
| * @author Kohsuke Kawaguchi |
| */ |
| public class Element extends XmlNode { |
| /** |
| * True if this element can be a root element. |
| */ |
| public boolean isRoot; |
| |
| private Strategy strategy; |
| |
| public Element(Locator location, QName name, Leaf leaf) { |
| super(location, name, leaf); |
| } |
| |
| /** |
| * Returns true if this element should generate an interface. |
| */ |
| private Strategy decideStrategy() { |
| if(isRoot) |
| return new ToInterface(); |
| |
| if(hasOneChild() && leaf instanceof Ref && !((Ref)leaf).isInline()) |
| return new HasOneRef((Ref)leaf); |
| |
| Set<Leaf> children = collectChildren(); |
| for( Leaf l : children ) { |
| if( l instanceof XmlNode ) |
| // if it has attributes/elements in children |
| // generate an interface |
| return new ToInterface(); |
| } |
| |
| // otherwise this element only has data, so just generate methods for them. |
| return new DataOnly(); |
| } |
| |
| void declare(NodeSet nset) { |
| strategy = decideStrategy(); |
| strategy.declare(nset); |
| } |
| |
| void generate(NodeSet nset) { |
| strategy.generate(nset); |
| } |
| |
| void generate(JDefinedClass clazz, NodeSet nset, Set<Prop> props) { |
| strategy.generate(clazz,nset,props); |
| } |
| |
| |
| private JMethod generateMethod(JDefinedClass clazz, NodeSet nset, JType retT) { |
| String methodName = NameUtil.toMethodName(name.getLocalPart()); |
| |
| JMethod m = clazz.method(JMod.PUBLIC, retT, methodName); |
| |
| JAnnotationUse a = m.annotate(XmlElement.class); |
| if(!methodName.equals(name.getLocalPart())) |
| a.param("value",name.getLocalPart()); |
| if(nset.defaultNamespace==null || !nset.defaultNamespace.equals(name.getNamespaceURI())) |
| a.param("ns",name.getNamespaceURI()); |
| |
| return m; |
| } |
| |
| public String toString() { |
| return "Element "+name; |
| } |
| |
| |
| interface Strategy { |
| void declare(NodeSet nset); |
| void generate(NodeSet nset); |
| void generate(JDefinedClass clazz, NodeSet nset, Set<Prop> props); |
| } |
| |
| /** |
| * Maps to an interface |
| */ |
| private class ToInterface implements Strategy { |
| private JDefinedClass clazz; |
| |
| public void declare(NodeSet nset) { |
| String cname; |
| if(alternativeName!=null) |
| cname = alternativeName; |
| else |
| cname = name.getLocalPart(); |
| clazz = nset.createClass(cname); |
| clazz._implements(TypedXmlWriter.class); |
| |
| clazz.annotate(XmlElement.class) |
| .param("value",name.getLocalPart()); |
| // TODO: namespace |
| } |
| |
| public void generate(NodeSet nset) { |
| HashSet<Prop> props = new HashSet<Prop>(); |
| for( Leaf l : Element.this ) |
| l.generate(clazz,nset, props); |
| } |
| |
| public void generate(JDefinedClass outer, NodeSet nset, Set<Prop> props) { |
| if(props.add(new ElementProp(name,clazz))) |
| generateMethod(outer, nset, clazz); |
| } |
| } |
| |
| /** |
| * For things like "element foo {refToAnotherPattern}" |
| */ |
| private class HasOneRef implements Strategy { |
| private final Ref ref; |
| |
| public HasOneRef(Ref ref) { |
| this.ref = ref; |
| } |
| |
| public void declare(NodeSet nset) { |
| } |
| public void generate(NodeSet nset) { |
| } |
| |
| public void generate(JDefinedClass clazz, NodeSet nset, Set<Prop> props) { |
| if(props.add(new ElementProp(name,ref.def.clazz))) |
| generateMethod(clazz, nset, ref.def.clazz); |
| } |
| } |
| |
| private class DataOnly implements Strategy { |
| public void declare(NodeSet nset) { |
| } |
| public void generate(NodeSet nset) { |
| } |
| |
| // TODO: code share with Attribute |
| public void generate(JDefinedClass clazz, NodeSet nset, Set<Prop> props) { |
| Set<JType> types = new HashSet<JType>(); |
| |
| for( Leaf l : collectChildren() ) { |
| if (l instanceof Text) { |
| types.add(((Text)l).getDatatype(nset)); |
| } |
| } |
| |
| for( JType t : types ) { |
| if(!props.add(new LeafElementProp(name,t))) |
| continue; |
| generateMethod(clazz, |
| nset, nset.opts.chainMethod? (JType)clazz : nset.codeModel.VOID |
| ).param(t,"value"); |
| } |
| } |
| } |
| } |