/
AbstractEncoder.groovy
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/
AbstractEncoder.groovy
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/*
* Copyright 2011 Rob Fletcher
*
* 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 co.freeside.betamax.encoding
import java.nio.charset.Charset
abstract class AbstractEncoder {
final String decode(InputStream input, String charset = Charset.defaultCharset().toString()) {
new InputStreamReader(getDecodingInputStream(input), charset).text
}
final byte[] encode(String input, String charset = Charset.defaultCharset().toString()) {
def out = new ByteArrayOutputStream()
getEncodingOutputStream(out).withStream { OutputStream stream ->
stream << input.getBytes(charset)
}
out.toByteArray()
}
protected abstract InputStream getDecodingInputStream(InputStream input)
protected abstract OutputStream getEncodingOutputStream(OutputStream output)
}