antliscence/src/main/org/apache/tools/ant/taskdefs/Copyfile.java

/*
 * The Apache Software License, Version 1.1
 *
 * Copyright (c) 1999 The Apache Software Foundation.  All rights
 * reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 *
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 *
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in
 *    the documentation and/or other materials provided with the
 *    distribution.
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 * 3. The end-user documentation included with the redistribution, if
 *    any, must include the following acknowlegement:
 *       "This product includes software developed by the
 *        Apache Software Foundation (http://www.apache.org/)."
 *    Alternately, this acknowlegement may appear in the software itself,
 *    if and wherever such third-party acknowlegements normally appear.
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 */

package org.apache.tools.ant.taskdefs;

import org.apache.tools.ant.*;

import java.io.*;
import java.util.*;

/**
 * Copies a file.
 *
 * @author duncan@x180.com
 */

public class Copyfile extends Task {

    private File srcFile;
    private File destFile;
    private boolean filtering = false;
    private boolean forceOverwrite = false;
 
    public void setSrc(File src) {
        srcFile = src;
    }

    public void setForceoverwrite(String force) {
        forceOverwrite = Project.toBoolean(force);
    }

    public void setDest(File dest) {
        destFile = dest;
    }

    public void setFiltering(String filter) {
        filtering = Project.toBoolean(filter);
    }

    public void execute() throws BuildException {
        if (srcFile == null) {
            throw new BuildException("The src attribute must be present.", location);
        }
        
        if (!srcFile.exists()) {
            throw new BuildException("src " + srcFile.toString()
                                     + " does not exist.", location);
        }

        if (destFile == null) {
            throw new BuildException("The dest attribute must be present.", location);
        }
        
        if (forceOverwrite || srcFile.lastModified() > destFile.lastModified()) {
            try {
                project.copyFile(srcFile, destFile, filtering, forceOverwrite);
            } catch (IOException ioe) {
                String msg = "Error copying file: " + srcFile.getAbsolutePath()
                    + " due to " + ioe.getMessage();
                throw new BuildException(msg);
            }
        }
    }
}