com.google.copybara.util.console.Consoles.java Source code

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Here is the source code for com.google.copybara.util.console.Consoles.java

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/*
 * Copyright (C) 2016 Google Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 * http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.google.copybara.util.console;

import com.google.common.base.Splitter;
import java.util.Iterator;

/**
 * Utility methods for working with {@link Console}s.
 */
public class Consoles {

    private Consoles() {
    }

    /**
     * Logs text as separate lines using {@link Console#info(String)}. If {@code text} is an empty
     * string, does nothing.
     */
    public static void logLines(Console console, String prefix, String text) {
        Iterator<String> lines = Splitter.on('\n').split(text).iterator();
        while (lines.hasNext()) {
            String line = lines.next();
            if (line.isEmpty() && !lines.hasNext()) {
                break;
            }
            console.info(prefix + line);
        }
    }
}