net.ossindex.version.impl.BoundedVersionRange Maven / Gradle / Ivy

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/**
 *	Copyright (c) 2016 Vör Security Inc.
 *	All rights reserved.
 *	
 *	Redistribution and use in source and binary forms, with or without
 *	modification, are permitted provided that the following conditions are met:
 *	    * Redistributions of source code must retain the above copyright
 *	      notice, this list of conditions and the following disclaimer.
 *	    * Redistributions in binary form must reproduce the above copyright
 *	      notice, this list of conditions and the following disclaimer in the
 *	      documentation and/or other materials provided with the distribution.
 *	    * Neither the name of the  nor the
 *	      names of its contributors may be used to endorse or promote products
 *	      derived from this software without specific prior written permission.
 *	
 *	THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
 *	ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
 *	WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 *	DISCLAIMED. IN NO EVENT SHALL  BE LIABLE FOR ANY
 *	DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
 *	(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 *	LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
 *	ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 *	(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 *	SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */
package net.ossindex.version.impl;

import com.github.zafarkhaja.semver.expr.Expression;

import net.ossindex.version.IVersion;
import net.ossindex.version.IVersionRange;

/** A bounded version range is capped at both ends, for example 1.2.5 - 1.2.8
 * 
 * @author Ken Duck
 *
 */
public class BoundedVersionRange extends AbstractCommonRange implements IVersionRange
{
	private String type;
	
	private Expression expression;
	
	/**
	 * Used for both atomic and simple versions
	 */
	private IVersion minimum;
	private IVersion maximum;

	/**
	 * Remember the range for toString
	 */
	private String range;
	private boolean hasErrors = false;

	/** A "range" of a single version
	 * 
	 * @param version
	 */
	public BoundedVersionRange(SemanticVersion version)
	{
		this.minimum = version;
	}

	/** Inclusive range
	 * 
	 * @param min
	 * @param max
	 */
	public BoundedVersionRange(IVersion min, IVersion max) {
		this.minimum = min;
		this.maximum = max;
		this.range = ">=" + min + " <=" + max;
	}

	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.IVersionRange#contains(net.ossindex.version.IVersion)
	 */
	@Override
	public boolean contains(IVersion version)
	{
		// This will match both SemanticVersion and FlexibleSemanticVersion
		if(version instanceof SemanticVersion)
		{
			return expression.interpret(((SemanticVersion)version).getVersionImpl());
		}
		throw new IllegalArgumentException("Semantic ranges expect semantic versions");
	}

	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.impl.IVersionRange#isAtomic()
	 */
	@Override
	public boolean isDiscrete()
	{
		return minimum != null && maximum == null;
	}

	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.impl.IVersionRange#isSimple()
	 */
	@Override
	public boolean isSimple() {
		return minimum != null && maximum != null;
	}
	
	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.impl.IVersionRange#getMinimum()
	 */
	@Override
	public IVersion getMinimum()
	{
		return minimum;
	}

	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.impl.IVersionRange#getMaximum()
	 */
	@Override
	public IVersion getMaximum()
	{
		return maximum;
	}

	/*
	 * (non-Javadoc)
	 * @see java.lang.Object#toString()
	 */
	@Override
	public String toString()
	{
		if(range != null) return range;
		if(minimum != null)
		{
			if(maximum == null)
			{
				 return minimum.toString();
			}
		}
		throw new UnsupportedOperationException("Cannot get string for range");
	}
	
	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.IVersionRange#intersects(net.ossindex.version.IVersionRange)
	 */
	@Override
	public boolean intersects(IVersionRange yourRange)
	{
		throw new UnsupportedOperationException();
	}

	/*
	 * (non-Javadoc)
	 * @see net.ossindex.version.IVersionRange#getSimplifiedRange()
	 */
	@Override
	public IVersionRange getSimplifiedRange() {
		return this;
	}
	
	public void setType(String type) {
		this.type = type;
	}
	
	public String getType() {
		return type;
	}
	
	
	public void setHasErrors(boolean b) {
		hasErrors = b;
	}

	public boolean hasErrors() {
		return hasErrors;
	}
}