/* | |
* Licensed to the Apache Software Foundation (ASF) under one | |
* or more contributor license agreements. See the NOTICE file | |
* distributed with this work for additional information | |
* regarding copyright ownership. The ASF licenses this file | |
* to you 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.apache.myfaces.buildtools.maven2.plugin.javascript.jmt.compress; | |
import java.io.File; | |
/** | |
* Abstraction of a JS compression tool. | |
*/ | |
public interface JSCompressor | |
{ | |
/** | |
* Constants for optimization level | |
*/ | |
int NONE = 0; | |
int MAX = 9; | |
/** | |
* Javascript language versions | |
*/ | |
int JAVASCRIPT_1_1 = 110; | |
int JAVASCRIPT_1_2 = 120; | |
int JAVASCRIPT_1_3 = 130; | |
/** | |
* Compress the input script file into the output file (may be same). | |
* | |
* @param input source to get compressed | |
* @param output compressed script | |
* @param level optimization level from 0 to 9. May have various | |
* signification dependending on the compressor, from beeing ignored to some | |
* fine tweaking the output. | |
* @param language version of javascript to be used ("130" for JS 1.3), as | |
* defined by Mozilla Rhino engine | |
* @throws CompressionException any error during compression | |
*/ | |
void compress( File input, File output, int level, int language ) | |
throws CompressionException; | |
} |