org.springframework.shell.commands.OsOperationsImpl.java Source code

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Here is the source code for org.springframework.shell.commands.OsOperationsImpl.java

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/*
 * Copyright 2011-2012 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.springframework.shell.commands;

import java.io.File;
import java.io.IOException;
import java.io.InputStreamReader;
import java.io.Reader;
import java.util.logging.Logger;

import org.apache.commons.io.IOUtils;
import org.springframework.shell.support.logging.HandlerUtils;
import org.springframework.stereotype.Component;

/**
 * Implementation of {@link OsOperations} interface.
 * 
 * @author Stefan Schmidt
 * @since 1.2.0
 */
@Component
public class OsOperationsImpl implements OsOperations {
    private static final Logger LOGGER = HandlerUtils.getLogger(OsOperationsImpl.class);

    public void executeCommand(final String command) throws IOException {
        final File root = new File(".");
        final Process p = Runtime.getRuntime().exec(command, null, root);
        Reader input = new InputStreamReader(p.getInputStream());
        Reader errors = new InputStreamReader(p.getErrorStream());

        for (String line : IOUtils.readLines(input)) {
            if (line.startsWith("[ERROR]")) {
                LOGGER.severe(line);
            } else if (line.startsWith("[WARNING]")) {
                LOGGER.warning(line);
            } else {
                LOGGER.info(line);
            }
        }

        for (String line : IOUtils.readLines(errors)) {
            if (line.startsWith("[ERROR]")) {
                LOGGER.severe(line);
            } else if (line.startsWith("[WARNING]")) {
                LOGGER.warning(line);
            } else {
                LOGGER.info(line);
            }
        }

        p.getOutputStream().close();

        try {
            if (p.waitFor() != 0) {
                LOGGER.warning("The command '" + command + "' did not complete successfully");
            }
        } catch (final InterruptedException e) {
            throw new IllegalStateException(e);
        }
    }

}