org.eclipse.jdt.internal.compiler.env.AccessRule.java Source code

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Here is the source code for org.eclipse.jdt.internal.compiler.env.AccessRule.java

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/*******************************************************************************
 * 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.compiler.env;

import org.eclipse.jdt.core.compiler.CharOperation;
import org.eclipse.jdt.core.compiler.IProblem;

public class AccessRule {

    public static final int IgnoreIfBetter = 0x02000000; // value must be greater than IProblem#ForbiddenReference and DiscouragedReference

    public char[] pattern;
    public int problemId;

    public AccessRule(char[] pattern, int problemId) {
        this(pattern, problemId, false);
    }

    public AccessRule(char[] pattern, int problemId, boolean keepLooking) {
        this.pattern = pattern;
        this.problemId = keepLooking ? problemId | IgnoreIfBetter : problemId;
    }

    @Override
    public int hashCode() {
        return this.problemId * 17 + CharOperation.hashCode(this.pattern);
    }

    @Override
    public boolean equals(Object obj) {
        if (!(obj instanceof AccessRule))
            return false;
        AccessRule other = (AccessRule) obj;
        if (this.problemId != other.problemId)
            return false;
        return CharOperation.equals(this.pattern, other.pattern);
    }

    public int getProblemId() {
        return this.problemId & ~IgnoreIfBetter;
    }

    public boolean ignoreIfBetter() {
        return (this.problemId & IgnoreIfBetter) != 0;
    }

    @Override
    public String toString() {
        StringBuffer buffer = new StringBuffer();
        buffer.append("pattern="); //$NON-NLS-1$
        buffer.append(this.pattern);
        switch (getProblemId()) {
        case IProblem.ForbiddenReference:
            buffer.append(" (NON ACCESSIBLE"); //$NON-NLS-1$
            break;
        case IProblem.DiscouragedReference:
            buffer.append(" (DISCOURAGED"); //$NON-NLS-1$
            break;
        default:
            buffer.append(" (ACCESSIBLE"); //$NON-NLS-1$
            break;
        }
        if (ignoreIfBetter())
            buffer.append(" | IGNORE IF BETTER"); //$NON-NLS-1$
        buffer.append(')');
        return buffer.toString();
    }
}