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package org.eclipse.jpt.core.tests.internal.resource.java;
import org.eclipse.jdt.core.ElementChangedEvent;
import org.eclipse.jdt.core.ICompilationUnit;
import org.eclipse.jdt.core.IElementChangedListener;
import org.eclipse.jdt.core.IJavaElement;
import org.eclipse.jdt.core.IJavaElementDelta;
import org.eclipse.jdt.core.JavaCore;
import org.eclipse.jpt.core.JpaAnnotationDefinitionProvider;
import org.eclipse.jpt.core.JpaAnnotationProvider;
import org.eclipse.jpt.core.internal.GenericJpaAnnotationDefinitionProvider;
import org.eclipse.jpt.core.internal.GenericJpaAnnotationProvider;
import org.eclipse.jpt.core.internal.resource.java.source.SourcePackageInfoCompilationUnit;
import org.eclipse.jpt.core.internal.resource.java.source.SourceTypeCompilationUnit;
import org.eclipse.jpt.core.internal.utility.jdt.NullAnnotationEditFormatter;
import org.eclipse.jpt.core.resource.java.JavaResourceCompilationUnit;
import org.eclipse.jpt.core.resource.java.JavaResourcePackage;
import org.eclipse.jpt.core.resource.java.JavaResourcePackageInfoCompilationUnit;
import org.eclipse.jpt.core.resource.java.JavaResourcePersistentType;
import org.eclipse.jpt.core.tests.internal.utility.jdt.AnnotationTestCase;
import org.eclipse.jpt.utility.CommandExecutor;
import org.eclipse.jpt.utility.internal.BitTools;
import org.eclipse.jpt.utility.internal.ReflectionTools;
import org.eclipse.jpt.utility.internal.StringTools;
public class JavaResourceModelTestCase
extends AnnotationTestCase {
private JavaElementChangeListener javaElementChangeListener;
protected JavaResourceCompilationUnit javaResourceCompilationUnit;
public JavaResourceModelTestCase(String name) {
super(name);
}
@Override
protected void setUp() throws Exception {
super.setUp();
this.javaElementChangeListener = new JavaElementChangeListener();
JavaCore.addElementChangedListener(this.javaElementChangeListener);
}
@Override
protected void tearDown() throws Exception {
super.tearDown();
JavaCore.removeElementChangedListener(this.javaElementChangeListener);
this.javaElementChangeListener = null;
}
private class JavaElementChangeListener
implements IElementChangedListener {
JavaElementChangeListener() {
super();
}
public void elementChanged(ElementChangedEvent event) {
JavaResourceModelTestCase.this.javaElementChanged(event);
}
@Override
public String toString() {
return StringTools.buildToStringFor(this);
}
}
void javaElementChanged(ElementChangedEvent event) {
if (this.javaResourceCompilationUnit == null) {
return;
}
this.syncWithJavaDelta(event.getDelta());
}
/**
* NB: this is copied from GenericJpaProject, so it might need to be
* kept in synch with that code if it changes... yech...
*/
protected void syncWithJavaDelta(IJavaElementDelta delta) {
switch (delta.getElement().getElementType()) {
case IJavaElement.JAVA_MODEL :
case IJavaElement.JAVA_PROJECT :
case IJavaElement.PACKAGE_FRAGMENT_ROOT :
case IJavaElement.PACKAGE_FRAGMENT :
this.syncWithJavaDeltaChildren(delta);
break;
case IJavaElement.COMPILATION_UNIT :
this.javaCompilationUnitChanged(delta);
break;
default :
break; // ignore the elements inside a compilation unit
}
}
protected void syncWithJavaDeltaChildren(IJavaElementDelta delta) {
for (IJavaElementDelta child : delta.getAffectedChildren()) {
this.syncWithJavaDelta(child); // recurse
}
}
protected void javaCompilationUnitChanged(IJavaElementDelta delta) {
if (this.deltaIsRelevant(delta)) {
this.javaResourceCompilationUnit.synchronizeWithJavaSource();
}
}
protected boolean deltaIsRelevant(IJavaElementDelta delta) {
if (BitTools.onlyFlagIsSet(delta.getFlags(), IJavaElementDelta.F_PRIMARY_WORKING_COPY)) {
return false;
}
return delta.getKind() == IJavaElementDelta.CHANGED;
}
protected ICompilationUnit createAnnotationAndMembers(String packageName, String annotationName, String annotationBody) throws Exception {
return this.javaProject.createCompilationUnit(packageName, annotationName + ".java", "public @interface " + annotationName + " { " + annotationBody + " }");
}
protected ICompilationUnit createEnumAndMembers(String packageName, String enumName, String enumBody) throws Exception {
return this.javaProject.createCompilationUnit(packageName, enumName + ".java", "public enum " + enumName + " { " + enumBody + " }");
}
protected JavaResourcePackage buildJavaResourcePackage(ICompilationUnit cu) {
JavaResourcePackageInfoCompilationUnit pkgCu =
new SourcePackageInfoCompilationUnit(
cu,
this.buildAnnotationProvider(),
NullAnnotationEditFormatter.instance(),
CommandExecutor.Default.instance());
this.javaResourceCompilationUnit = pkgCu;
return pkgCu.getPackage();
}
protected JavaResourcePersistentType buildJavaTypeResource(ICompilationUnit cu) {
this.javaResourceCompilationUnit = this.buildJavaResourceCompilationUnit(cu);
this.javaResourceCompilationUnit.resolveTypes();
return this.hackJavaResourcePersistentType();
}
protected JavaResourcePersistentType hackJavaResourcePersistentType() {
return (JavaResourcePersistentType) ReflectionTools.getFieldValue(this.javaResourceCompilationUnit, "persistentType");
}
protected JavaResourceCompilationUnit buildJavaResourceCompilationUnit(ICompilationUnit cu) {
if (this.javaResourceCompilationUnit != null) {
throw new IllegalStateException();
}
return new SourceTypeCompilationUnit(
cu,
this.buildAnnotationProvider(),
NullAnnotationEditFormatter.instance(),
CommandExecutor.Default.instance()
);
}
protected JpaAnnotationProvider buildAnnotationProvider() {
return new GenericJpaAnnotationProvider(this.annotationDefinitionProvider());
}
protected JpaAnnotationDefinitionProvider annotationDefinitionProvider() {
return GenericJpaAnnotationDefinitionProvider.instance();
}
}
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