org.eclipse.mylyn.internal.wikitext.commonmark.LinePredicates.java Source code

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Here is the source code for org.eclipse.mylyn.internal.wikitext.commonmark.LinePredicates.java

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/*******************************************************************************
 * Copyright (c) 2015 David Green.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 *
 * Contributors:
 *     David Green - initial API and implementation
 *******************************************************************************/

package org.eclipse.mylyn.internal.wikitext.commonmark;

import java.util.regex.Pattern;

import com.google.common.base.Predicate;

public class LinePredicates {

    public static Predicate<Line> empty() {
        return new Predicate<Line>() {

            @Override
            public String toString() {
                return "empty(line)";
            }

            @Override
            public boolean apply(Line input) {
                return input != null && input.isEmpty();
            }
        };
    }

    public static Predicate<Line> matches(final Pattern pattern) {
        return new Predicate<Line>() {

            @Override
            public String toString() {
                return "matches(" + pattern.pattern() + ")";
            }

            @Override
            public boolean apply(Line input) {
                return input != null && pattern.matcher(input.getText()).matches();
            }
        };
    }

    private LinePredicates() {
        // prevent instantiation
    }
}