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package org.eclipse.e4.tools.emf.editor3x.emf;
import java.lang.reflect.Method;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.Platform;
import org.eclipse.emf.common.util.URI;
import org.eclipse.ui.IEditorInput;
import org.eclipse.ui.IURIEditorInput;
import org.osgi.framework.Bundle;
public class EditUIUtil {
static final Class<?> FILE_CLASS;
static {
Class<?> fileClass = null;
try {
fileClass = IFile.class;
} catch (final Exception exception) {
// Ignore any exceptions and assume the class isn't available.
}
FILE_CLASS = fileClass;
}
static final Class<?> FILE_REVISION_CLASS;
static final Method FILE_REVISION_GET_URI_METHOD;
static {
Class<?> fileRevisionClass = null;
Method fileRevisionGetURIMethod = null;
final Bundle bundle = Platform.getBundle("org.eclipse.team.core"); //$NON-NLS-1$
if (bundle != null
&& (bundle.getState() & (Bundle.ACTIVE | Bundle.STARTING | Bundle.RESOLVED)) != 0) {
try {
fileRevisionClass = bundle
.loadClass("org.eclipse.team.core.history.IFileRevision"); //$NON-NLS-1$
fileRevisionGetURIMethod = fileRevisionClass
.getMethod("getURI"); //$NON-NLS-1$
} catch (final Exception exeption) {
// Ignore any exceptions and assume the class isn't available.
}
}
FILE_REVISION_CLASS = fileRevisionClass;
FILE_REVISION_GET_URI_METHOD = fileRevisionGetURIMethod;
}
static final Class<?> URI_EDITOR_INPUT_CLASS;
static {
Class<?> uriEditorInputClass = null;
try {
uriEditorInputClass = IURIEditorInput.class;
} catch (final Exception exception) {
// The class is not available.
}
URI_EDITOR_INPUT_CLASS = uriEditorInputClass;
}
public static URI getURI(IEditorInput editorInput) {
if (FILE_CLASS != null) {
final IFile file = (IFile) editorInput.getAdapter(FILE_CLASS);
if (file != null) {
return URI.createPlatformResourceURI(file.getFullPath()
.toString(), true);
}
}
if (FILE_REVISION_CLASS != null) {
final Object fileRevision = editorInput.getAdapter(FILE_REVISION_CLASS);
if (fileRevision != null) {
try {
return URI
.createURI(((java.net.URI) FILE_REVISION_GET_URI_METHOD
.invoke(fileRevision)).toString());
} catch (final Exception exception) {
// TODO Log error
}
}
}
if (URI_EDITOR_INPUT_CLASS != null) {
if (editorInput instanceof IURIEditorInput) {
return URI.createURI(
((IURIEditorInput) editorInput).getURI().toString())
.trimFragment();
}
}
return null;
}
}
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