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/******************************************************************************
* Copyright (c) 2016 Alex Blewitt and others.
*
* This program and the accompanying materials
* are made available under the terms of the Eclipse Public License 2.0
* which accompanies this distribution, and is available at
* https://www.eclipse.org/legal/epl-2.0/
*
* SPDX-License-Identifier: EPL-2.0
*
* Contributors:
* Alex Blewitt - initial API and implementation
******************************************************************************/
package org.eclipse.osgi.internal.loader.classpath;
/**
* Stores a (title,version,vendor) triple for Specification-* or Implementation-*
*/
class TitleVersionVendor {
/**
* Constant value when no title, version or vendor are specified for the package.
*/
static final TitleVersionVendor NONE = new TitleVersionVendor(null, null, null);
private final String title;
private final String version;
private final String vendor;
/**
* Factory for creating TitleVersionVendor objects. If the given title, version and
* vendor are <code>null</code> then {@link #NONE} is returned.
* @param title
* @param version
* @param vendor
* @return
*/
static TitleVersionVendor of(String title, String version, String vendor) {
if (title == null && version == null && vendor == null) {
return NONE;
}
return new TitleVersionVendor(title, version, vendor);
}
private TitleVersionVendor(String title, String version, String vendor) {
this.title = title;
this.version = version;
this.vendor = vendor;
}
/**
* Returns the title
* @return the title
*/
String getTitle() {
return title;
}
/**
* returns the version
* @return the version
*/
String getVersion() {
return version;
}
/**
* returns the vendor
* @return the vendor
*/
String getVendor() {
return vendor;
}
}
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