org.jsonschema2pojo.util.JavaVersion Maven / Gradle / Ivy
/**
* Copyright © 2010-2020 Nokia
*
* 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.jsonschema2pojo.util;
import static org.apache.commons.lang3.StringUtils.*;
import java.util.regex.Matcher;
import java.util.regex.Pattern;
public class JavaVersion {
private static final Pattern JAVA_VERSION_1_X = Pattern.compile("(^1.\\d+)");
private static final Pattern JAVA_VERSION_X = Pattern.compile("(^\\d+)");
public static String parse(String version) {
if (startsWith(version, "1.")) {
Matcher m = JAVA_VERSION_1_X.matcher(version);
m.find();
return m.group();
} else {
Matcher m = JAVA_VERSION_X.matcher(version);
m.find();
return m.group();
}
}
public static boolean is9OrLater(final String targetVersion) {
if (isNotBlank(targetVersion)) {
final Double v = Double.valueOf(targetVersion);
return (v >= 9) || (v < 2 && v >= 1.9);
} else {
return false;
}
}
}