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/*******************************************************************************
* Copyright (c) 2012 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
*
* Contributors:
* Sonatype, Inc. - initial API and implementation
*******************************************************************************/
package org.eclipse.m2e.editor.xml;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.createElement;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.format;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.getChild;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.insertAt;
import static org.eclipse.m2e.core.ui.internal.editing.PomEdits.setText;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
import org.eclipse.jface.text.Region;
import org.eclipse.swt.graphics.Point;
import org.eclipse.wst.sse.core.internal.provisional.IndexedRegion;
import org.eclipse.m2e.core.ui.internal.editing.PomEdits.Operation;
import org.eclipse.m2e.editor.xml.internal.dialogs.SPDXLicense;
@SuppressWarnings("restriction")
public class AddLicensePomOperation implements Operation {
private final SPDXLicense license;
private final PomTemplateContext context;
private final Region region;
private int generatedOffset = -1;
private int generatedLength = -1;
public AddLicensePomOperation(SPDXLicense license, PomTemplateContext context, Region region) {
if(license == null) {
throw new NullPointerException();
}
if(context != PomTemplateContext.PROJECT && context != PomTemplateContext.LICENSES) {
throw new IllegalArgumentException();
}
if(context == PomTemplateContext.LICENSES && region == null) {
throw new IllegalArgumentException();
}
this.license = license;
this.context = context;
this.region = region;
}
public void process(Document doc) {
Element element;
if(context == PomTemplateContext.PROJECT) {
element = createLicenses(doc);
} else {
element = createLicense(doc);
}
format(element);
if(element instanceof IndexedRegion) {
generatedOffset = ((IndexedRegion) element).getStartOffset();
generatedLength = ((IndexedRegion) element).getEndOffset() - generatedOffset;
}
}
private Element createLicenses(Document doc) {
Element licensesDom;
if(region != null) {
licensesDom = insertAt(doc.createElement("licenses"), region.getOffset());
} else {
licensesDom = getChild(doc.getDocumentElement(), "licenses");
}
setLicense(createElement(licensesDom, "license"));
return licensesDom;
}
private Element createLicense(Document doc) {
Element licenseDom = insertAt(doc.createElement("license"), region.getOffset());
setLicense(licenseDom);
return licenseDom;
}
void setLicense(Element licenseDom) {
setText(getChild(licenseDom, "name"), license.getName());
setText(getChild(licenseDom, "url"), license.getURL());
}
public Point getSelection() {
return new Point(generatedOffset, generatedLength);
}
}
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