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/*******************************************************************************
* Copyright (c) 2010, 2011 Oracle. All rights reserved.
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v1.0, which accompanies this distribution
* and is available at http://www.eclipse.org/legal/epl-v10.html.
*
* Contributors:
* Oracle - initial API and implementation
******************************************************************************/
package org.eclipse.jpt.jaxb.core.internal.context.java;
import java.beans.Introspector;
import java.util.List;
import org.eclipse.jdt.core.dom.CompilationUnit;
import org.eclipse.jpt.common.core.utility.TextRange;
import org.eclipse.jpt.common.utility.Filter;
import org.eclipse.jpt.common.utility.internal.CollectionTools;
import org.eclipse.jpt.common.utility.internal.StringTools;
import org.eclipse.jpt.common.utility.internal.iterables.EmptyIterable;
import org.eclipse.jpt.common.utility.internal.iterables.FilteringIterable;
import org.eclipse.jpt.common.utility.internal.iterables.TransformationIterable;
import org.eclipse.jpt.jaxb.core.context.JaxbPersistentType;
import org.eclipse.jpt.jaxb.core.context.XmlRootElement;
import org.eclipse.jpt.jaxb.core.internal.validation.DefaultValidationMessages;
import org.eclipse.jpt.jaxb.core.internal.validation.JaxbValidationMessages;
import org.eclipse.jpt.jaxb.core.resource.java.XmlRootElementAnnotation;
import org.eclipse.jpt.jaxb.core.xsd.XsdElementDeclaration;
import org.eclipse.jpt.jaxb.core.xsd.XsdSchema;
import org.eclipse.jpt.jaxb.core.xsd.XsdTypeDefinition;
import org.eclipse.wst.validation.internal.provisional.core.IMessage;
import org.eclipse.wst.validation.internal.provisional.core.IReporter;
public class GenericJavaXmlRootElement
extends AbstractJavaContextNode
implements XmlRootElement {
protected final XmlRootElementAnnotation resourceXmlRootElementAnnotation;
protected String specifiedName;
protected String specifiedNamespace;
public GenericJavaXmlRootElement(JaxbPersistentType parent, XmlRootElementAnnotation resourceXmlRootElementAnnotation) {
super(parent);
this.resourceXmlRootElementAnnotation = resourceXmlRootElementAnnotation;
this.specifiedName = this.getResourceName();
this.specifiedNamespace = this.getResourceNamespace();
}
// ********** synchronize/update **********
@Override
public void synchronizeWithResourceModel() {
super.synchronizeWithResourceModel();
this.setSpecifiedName_(this.getResourceName());
this.setSpecifiedNamespace_(this.getResourceNamespace());
}
@Override
public JaxbPersistentType getParent() {
return (JaxbPersistentType) super.getParent();
}
// ********** name **********
public String getName() {
return (this.specifiedName != null) ? this.specifiedName : getDefaultName();
}
public String getSpecifiedName() {
return this.specifiedName;
}
public void setSpecifiedName(String name) {
this.resourceXmlRootElementAnnotation.setName(name);
this.setSpecifiedName_(name);
}
protected void setSpecifiedName_(String name) {
String old = this.specifiedName;
this.specifiedName = name;
this.firePropertyChanged(SPECIFIED_NAME_PROPERTY, old, name);
}
public String getDefaultName() {
return Introspector.decapitalize(getParent().getSimpleName());
}
protected String getResourceName() {
return this.resourceXmlRootElementAnnotation.getName();
}
// ********** namespace **********
public String getNamespace() {
return (this.specifiedNamespace != null) ? this.specifiedNamespace : getDefaultNamespace();
}
public String getSpecifiedNamespace() {
return this.specifiedNamespace;
}
public void setSpecifiedNamespace(String namespace) {
this.resourceXmlRootElementAnnotation.setNamespace(namespace);
this.setSpecifiedNamespace_(namespace);
}
protected void setSpecifiedNamespace_(String namespace) {
String old = this.specifiedNamespace;
this.specifiedNamespace = namespace;
this.firePropertyChanged(SPECIFIED_NAMESPACE_PROPERTY, old, namespace);
}
public String getDefaultNamespace() {
return getParent().getJaxbPackage().getNamespace();
}
protected String getResourceNamespace() {
return this.resourceXmlRootElementAnnotation.getNamespace();
}
// **************** content assist ****************************************
@Override
public Iterable<String> getJavaCompletionProposals(
int pos, Filter<String> filter, CompilationUnit astRoot) {
Iterable<String> result = super.getJavaCompletionProposals(pos, filter, astRoot);
if (! CollectionTools.isEmpty(result)) {
return result;
}
if (namespaceTouches(pos, astRoot)) {
return getNamespaceProposals(filter);
}
if (nameTouches(pos, astRoot)) {
return getNameProposals(filter);
}
return EmptyIterable.instance();
}
protected boolean namespaceTouches(int pos, CompilationUnit astRoot) {
return this.resourceXmlRootElementAnnotation.namespaceTouches(pos, astRoot);
}
protected Iterable<String> getNamespaceProposals(Filter<String> filter) {
XsdSchema schema = getParent().getJaxbPackage().getXsdSchema();
if (schema == null) {
return EmptyIterable.instance();
}
return schema.getNamespaceProposals(filter);
}
protected boolean nameTouches(int pos, CompilationUnit astRoot) {
return this.resourceXmlRootElementAnnotation.nameTouches(pos, astRoot);
}
protected Iterable<String> getNameProposals(Filter<String> filter) {
String namespace = getNamespace();
XsdSchema schema = getParent().getJaxbPackage().getXsdSchema();
if (schema == null) {
return EmptyIterable.instance();
}
return StringTools.convertToJavaStringLiterals(
new FilteringIterable<String>(
new TransformationIterable<XsdElementDeclaration, String>(schema.getElementDeclarations(namespace)) {
@Override
protected String transform(XsdElementDeclaration o) {
return o.getName();
}
},
filter));
}
// **************** validation ********************************************
@Override
public TextRange getValidationTextRange(CompilationUnit astRoot) {
return this.resourceXmlRootElementAnnotation.getTextRange(astRoot);
}
@Override
public void validate(List<IMessage> messages, IReporter reporter, CompilationUnit astRoot) {
super.validate(messages, reporter, astRoot);
String name = getName();
String namespace = getNamespace();
XsdSchema schema = getParent().getJaxbPackage().getXsdSchema();
if (schema != null) {
// element must resolve
XsdElementDeclaration schemaElement = schema.getElementDeclaration(namespace, name);
if (schemaElement == null) {
messages.add(
DefaultValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JaxbValidationMessages.XML_ROOT_ELEMENT_UNRESOLVED_SCHEMA_ELEMENT,
new String[] {name, namespace},
this,
this.resourceXmlRootElementAnnotation.getTextRange(astRoot)));
}
else {
// element type must agree with parent's schema type
XsdTypeDefinition schemaType = getParent().getXsdTypeDefinition();
if (schemaType != null) {
if (! schemaType.equals(schemaElement.getType())) {
messages.add(
DefaultValidationMessages.buildMessage(
IMessage.HIGH_SEVERITY,
JaxbValidationMessages.XML_ROOT_ELEMENT_TYPE_CONFLICTS_WITH_XML_TYPE,
new String[] {name, namespace},
this,
this.resourceXmlRootElementAnnotation.getTextRange(astRoot)));
}
}
}
}
}
//****************** miscellaneous ********************
@Override
public void toString(StringBuilder sb) {
super.toString(sb);
sb.append("namespace = \"" + this.specifiedNamespace + "\"");
sb.append("; name = \"" + this.specifiedName + "\"");
}
}
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