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/*******************************************************************************
* Copyright (c) 2011 Sonatype, Inc.
* 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
*******************************************************************************/
package org.eclipse.m2e.core.ui.internal.editing;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.childEquals;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.findChild;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.performOnDOMDocument;
import org.apache.maven.model.Dependency;
import org.eclipse.core.resources.IFile;
import org.eclipse.core.runtime.CoreException;
import org.eclipse.core.runtime.IStatus;
import org.eclipse.core.runtime.Status;
import org.eclipse.jface.text.IDocument;
import org.eclipse.ltk.core.refactoring.TextFileChange;
import org.eclipse.m2e.core.ui.internal.M2EUIPluginActivator;
import org.eclipse.m2e.core.ui.internal.editing.PomEdits.Operation;
import org.eclipse.m2e.core.ui.internal.editing.PomEdits.OperationTuple;
import org.eclipse.wst.sse.core.StructuredModelManager;
import org.eclipse.wst.sse.core.internal.provisional.IStructuredModel;
import org.eclipse.wst.xml.core.internal.provisional.document.IDOMModel;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public final class PomHelper {
private static final Logger LOG = LoggerFactory.getLogger(PomHelper.class);
public static final String DEPENDENCIES = "dependencies"; //$NON-NLS-1$
public static final String GROUP_ID = "groupId";//$NON-NLS-1$
public static final String ARTIFACT_ID = "artifactId"; //$NON-NLS-1$
public static final String DEPENDENCY = "dependency"; //$NON-NLS-1$
public static final String EXCLUSIONS = "exclusions"; //$NON-NLS-1$
public static final String EXCLUSION = "exclusion"; //$NON-NLS-1$
public static final String VERSION = "version"; //$NON-NLS-1$
/*
* Return the Element matching the dependency or null.
*/
public static Element findDependency(Document document, Dependency dependency) {
Element dependenciesElement = findChild(document.getDocumentElement(), DEPENDENCIES);
return findChild(dependenciesElement, DEPENDENCY, childEquals(GROUP_ID, dependency.getGroupId()),
childEquals(ARTIFACT_ID, dependency.getArtifactId()));
}
@SuppressWarnings("restriction")
public static TextFileChange createChange(IFile file, Operation operation, String label) throws CoreException {
IStructuredModel model = null;
try {
model = StructuredModelManager.getModelManager().getModelForRead(file);
IDocument document = model.getStructuredDocument();
IStructuredModel tempModel = StructuredModelManager.getModelManager().createUnManagedStructuredModelFor(
"org.eclipse.m2e.core.pomFile");
tempModel.getStructuredDocument().setText(StructuredModelManager.getModelManager(), document.get());
IDocument tempDocument = tempModel.getStructuredDocument();
performOnDOMDocument(new OperationTuple((IDOMModel) tempModel, operation));
return new ChangeCreator(file, document, tempDocument, label).createChange();
} catch(Exception exc) {
LOG.error("An error occurred creating change", exc);
throw new CoreException(new Status(IStatus.ERROR, M2EUIPluginActivator.PLUGIN_ID,
"An error occurred creating change", exc));
} finally {
if(model != null) {
model.releaseFromRead();
}
}
}
}
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