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/**
* This software is licensed under the Apache 2 license, quoted below.
*
* Copyright 2010 Julien Eluard
*
* 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 org.semver;
import java.io.File;
import java.io.IOException;
import java.util.Arrays;
import java.util.Collections;
import java.util.HashSet;
import java.util.Set;
/**
*
* CLI interface.
*
*/
public class Main {
private static void failIfNotEnoughArguments(final String[] arguments, final int minimalSize, final String message) {
if (arguments.length < minimalSize) {
System.out.println(message);
System.exit(-1);
}
}
private static final String DIFF_ACTION = "diff";
private static final String CHECK_ACTION = "check";
private static final String INFER_ACTION = "infer";
private static final String VALIDATE_ACTION = "validate";
private static Set<String> extractFiltersIfAny(final String[] arguments, final int position) {
try {
final String filters = arguments[position];
return new HashSet<String>(Arrays.asList(filters.split(";")));
} catch (IndexOutOfBoundsException e) {
return Collections.emptySet();
}
}
public static void main(final String[] arguments) throws IOException {
Main.failIfNotEnoughArguments(arguments, 3, "Usage: ["+DIFF_ACTION+"|"+CHECK_ACTION+"|"+INFER_ACTION+"|"+VALIDATE_ACTION+"] (previousVersion) previousJar (currentVersion) currentJar (includes) (excludes)");
final String action = arguments[0];
if (DIFF_ACTION.equals(action)) {
final Comparer comparer = new Comparer(new File(arguments[1]), new File(arguments[2]), extractFiltersIfAny(arguments, 3), extractFiltersIfAny(arguments, 4));
Dumper.dump(comparer.diff());
} else if (CHECK_ACTION.equals(action)) {
final Comparer comparer = new Comparer(new File(arguments[1]), new File(arguments[2]), extractFiltersIfAny(arguments, 3), extractFiltersIfAny(arguments, 4));
final Delta delta = comparer.diff();
System.out.println(delta.computeCompatibilityType());
} else if (INFER_ACTION.equals(action)) {
Main.failIfNotEnoughArguments(arguments, 4, "Usage: "+INFER_ACTION+" previousVersion previousJar currentJar (includes) (excludes)");
final Comparer comparer = new Comparer(new File(arguments[2]), new File(arguments[3]), extractFiltersIfAny(arguments, 4), extractFiltersIfAny(arguments, 5));
final Delta delta = comparer.diff();
System.out.println(delta.infer(Version.parse(arguments[1])));
} else if (VALIDATE_ACTION.equals(action)) {
Main.failIfNotEnoughArguments(arguments, 5, "Usage: "+VALIDATE_ACTION+" previousVersion previousJar currentVersion currentJar (includes) (excludes)");
final Comparer comparer = new Comparer(new File(arguments[2]), new File(arguments[4]), extractFiltersIfAny(arguments, 5), extractFiltersIfAny(arguments, 6));
final Delta delta = comparer.diff();
System.out.println(delta.validate(Version.parse(arguments[1]), Version.parse(arguments[3])));
} else {
System.out.println("First argument must be one of ["+DIFF_ACTION+"|"+CHECK_ACTION+"|"+INFER_ACTION+"|"+VALIDATE_ACTION+"]");
System.exit(-1);
}
}
}
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