com.sangupta.andruil.commands.file.FileCompare.java Source code

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Here is the source code for com.sangupta.andruil.commands.file.FileCompare.java

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/**
 *
 * andruil - Java command line shell
 * Copyright (c) 2012-2015, Sandeep Gupta
 * 
 * http://www.sangupta/projects/andruil
 * 
 * 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.sangupta.andruil.commands.file;

import java.io.File;
import java.io.IOException;

import org.apache.commons.io.FileUtils;

import com.sangupta.andruil.commands.base.AbstractAndruilCommand;
import com.sangupta.andruil.constants.WindowsErrorMessages;

/**
 * Compare two files in binary mode
 * 
 * @author sangupta
 *
 */
public class FileCompare extends AbstractAndruilCommand {

    /**
     * @see com.sangupta.andruil.AbstractAndruilCommand.AbstractCommand#getCommandName()
     */
    @Override
    public String getName() {
        return "fc";
    }

    /**
     * @see com.sangupta.andruil.AbstractAndruilCommand.AbstractCommand#getHelpLine()
     */
    @Override
    public String getHelpLine() {
        return "Compares two given files";
    }

    @Override
    public void execute(String[] args) {
        if (args.length != 2) {
            System.out.println(WindowsErrorMessages.INCORRECT_SYNTAX);
            return;
        }

        File file1 = new File(args[0]);
        File file2 = new File(args[1]);

        if (!file1.exists()) {
            System.out.println("FC: Cannot open " + file1.getName() + " - No such file");
            return;
        }

        if (!file2.exists()) {
            System.out.println("FC: Cannot open " + file2.getName() + " - No such file");
            return;
        }

        if (!file1.isFile()) {
            System.out.println("FC: " + file1.getName() + " is a folder");
            return;
        }

        if (!file2.isFile()) {
            System.out.println("FC: " + file2.getName() + " is a folder");
            return;
        }

        boolean equals = false;
        try {
            equals = FileUtils.contentEquals(file1, file2);
        } catch (IOException e) {
            // TODO: fix this
            // eat up and assume we could not compare
        }

        if (equals) {
            System.out.println("Files are identical");
            return;
        }

        System.out.println("Files are not identical");
    }

}