Copyright (c) 2000, 2009 IBM Corporation 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:
    IBM Corporation - initial API and implementation
/*******************************************************************************
 * Copyright (c) 2000, 2009 IBM Corporation 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:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/
package org.eclipse.jdt.internal.core;

import org.eclipse.core.runtime.IPath;
import org.eclipse.core.runtime.Path;
import org.eclipse.jdt.core.IAccessRule;
import org.eclipse.jdt.core.compiler.IProblem;
import org.eclipse.jdt.internal.compiler.env.AccessRule;

public class ClasspathAccessRule extends AccessRule implements IAccessRule {

	public ClasspathAccessRule(IPath pattern, int kind) {
		this(pattern.toString().toCharArray(), toProblemId(kind));
	}

	public ClasspathAccessRule(char[] pattern, int problemId) {
		super(pattern, problemId);
	}

	private static int toProblemId(int kind) {
		boolean ignoreIfBetter = (kind & IAccessRule.IGNORE_IF_BETTER) != 0;
		switch (kind & ~IAccessRule.IGNORE_IF_BETTER) {
			case K_NON_ACCESSIBLE:
				return ignoreIfBetter ? IProblem.ForbiddenReference | AccessRule.IgnoreIfBetter : IProblem.ForbiddenReference;
			case K_DISCOURAGED:
				return ignoreIfBetter ? IProblem.DiscouragedReference | AccessRule.IgnoreIfBetter : IProblem.DiscouragedReference;
			default:
				return ignoreIfBetter ? AccessRule.IgnoreIfBetter : 0;
		}
	}

	@Override
	public IPath getPattern() {
		return new Path(new String(this.pattern));
	}

	@Override
	public int getKind() {
		switch (getProblemId()) {
			case IProblem.ForbiddenReference:
				return K_NON_ACCESSIBLE;
			case IProblem.DiscouragedReference:
				return K_DISCOURAGED;
			default:
				return K_ACCESSIBLE;
		}
	}

}