com.hazelcast.org.codehaus.janino.FilterWarningHandler Maven / Gradle / Ivy


/*
 * Janino - An embedded Java[TM] compiler
 *
 * Copyright (c) 2001-2010 Arno Unkrig. All rights reserved.
 * Copyright (c) 2015-2016 TIBCO Software 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:
 *
 *    1. Redistributions of source code must retain the above copyright notice, this list of conditions and the
 *       following disclaimer.
 *    2. 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.
 *    3. Neither the name of the copyright holder 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 THE COPYRIGHT HOLDER OR CONTRIBUTORS 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 com.hazelcast.org.codehaus.janino;

import com.hazelcast.org.codehaus.commons.compiler.CompileException;
import com.hazelcast.org.codehaus.commons.compiler.Location;
import com.hazelcast.org.codehaus.commons.compiler.WarningHandler;
import com.hazelcast.org.codehaus.commons.nullanalysis.Nullable;
import com.hazelcast.org.codehaus.janino.util.StringPattern;

/**
 * Invokes a delegate iff the handle of the warning matches one or more of a set of {@link StringPattern}s.
 */
public
class FilterWarningHandler implements WarningHandler {
    private final StringPattern[] handlePatterns;
    private final WarningHandler  delegate;

    /**
     * Popular values for the {@code handlePatterns} parameter are {@link StringPattern#PATTERNS_ALL} and {@link
     * StringPattern#PATTERNS_NONE}.
     */
    public
    FilterWarningHandler(StringPattern[] handlePatterns, WarningHandler delegate) {
        this.handlePatterns = handlePatterns;
        this.delegate       = delegate;
    }

    @Override public void
    handleWarning(@Nullable String handle, String message, @Nullable Location optionalLocation)
    throws CompileException {
        if (handle == null || StringPattern.matches(this.handlePatterns, handle)) {
            this.delegate.handleWarning(handle, message, optionalLocation);
        }
    }
}