/*
 * Copyright 2012 the original author or authors.
 *
 * 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 org.gradle.internal.console;

public class UnixConsoleMetaData implements ConsoleMetaData {
    public int getCols() {
        final String width = System.getenv("COLUMNS");
        try{
            return Integer.parseInt(width);
        }catch(NumberFormatException ex){
            return 0;
        }
    }
}

/*
 * Copyright 2012 the original author or authors.
 *
 * 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 org.gradle.internal.console;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

public class UnixConsoleMetaData implements ConsoleMetaData {

    public static final Logger LOGGER = LoggerFactory.getLogger(UnixConsoleMetaData.class);

    public int getCols() {
        final String columns = System.getenv("COLUMNS");
        if (columns != null) {
            try {
                return Integer.parseInt(columns);
            } catch (NumberFormatException ex) {
                LOGGER.debug("Cannot parse COLUMNS environment variable to get console width. Value: '%s'", columns);
            }
        }
        return 0;
    }
}

Add Null check and give decent debug message if COLUMN env var cannot be parsed.
Add Null check and give decent debug message if COLUMN env var cannot be parsed.
