Gradle自定义任务实现:找不到参数的方法

我有一个加密任务,它接收一个输入文件和一个输出文件以及要对其执行加密的密钥。奇怪的是,当我尝试提取一个执行行加密并将其作为参数接收的方法时,我会得到下一个错误: Could not find method encryptLine() for arguments [PK] on task ':presentation:encryptScenarios' of type EncryptionTask. . 当我内联这个方法时-它工作正常。

以下是内联变量的代码:

@TaskAction
void encryptFile() {
    assertThatEncryptionKeyIsPresent()
    createNewOutputFileIfNotExists()
    final FileOutputStream outputStream = new FileOutputStream(outputFile)
    inputFile.eachLine { String line ->
        final byte[] inputBytes = line.getBytes()
        final byte[] secretBytes = key.getBytes()
        final byte[] outputBytes = new byte[inputBytes.length]
        int spos = 0
        for (int pos = 0; pos < inputBytes.length; ++pos) {
            outputBytes[pos] = (byte) (inputBytes[pos] ^ secretBytes[spos])
            spos += 1
            if (spos >= secretBytes.length) {
                spos = 0
            }
        }
        outputStream.write(Base64.encodeBase64String(outputBytes).getBytes())
    }
}

下面是提取方法变量的代码:

@TaskAction
void encryptFile() {
    assertThatEncryptionKeyIsPresent()
    createNewOutputFileIfNotExists()
    final FileOutputStream outputStream = new FileOutputStream(outputFile)
    inputFile.eachLine { String line ->
        byte[] outputBytes = encryptLine(line)
        outputStream.write(Base64.encodeBase64String(outputBytes).getBytes())
    }
}

private byte[] encryptLine(String line) {
    final byte[] inputBytes = line.getBytes()
    final byte[] secretBytes = key.getBytes()
    final byte[] outputBytes = new byte[inputBytes.length]
    int spos = 0
    for (int pos = 0; pos < inputBytes.length; ++pos) {
        outputBytes[pos] = (byte) (inputBytes[pos] ^ secretBytes[spos])
        spos += 1
        if (spos >= secretBytes.length) {
            spos = 0
        }
    }
    outputBytes
}

如何使用这个加密行的私有方法来解决这个问题?