Java Regex Version Validate parseVersionNamespace(String versionNamespace)

Description

parse Version Namespace

License

Open Source License

Parameter

Parameter	Description
versionNamespace	string containing the namespace string indicating the version

Return

string array containing the namespace prefix, major, minor, service and modifier components; or null if the string is not a valid version namespace

Declaration

public static String[] parseVersionNamespace(String versionNamespace) 

Method Source Code

//package com.java2s;
/*******************************************************************************
 * Copyright (c) 2009, 2014 IBM Corporation and others.
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License v1.0
 * which accompanies this distribution, and is available at
 * http://www.eclipse.org/legal/epl-v10.html
 * //from w  w  w  . ja v  a 2 s.  c  o m
 * Contributors:
 *     IBM Corporation - initial API and implementation
 *******************************************************************************/

import java.util.regex.Matcher;
import java.util.regex.Pattern;

public class Main {
    public static final String PREFIX = "http://www.ibm.com/com.ibm.datatools.core/model/";
    public static final String DATAMODEL_PREFIX = "http://www.ibm.com/com.ibm.datatools.core/model/data/";
    public static final Pattern MODEL_URI_PATTERN = Pattern
            .compile(DATAMODEL_PREFIX + "(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)");
    public static final Pattern OLD_MODEL_URI_PATTERN = Pattern
            .compile(PREFIX + "(\\d+)\\.(\\d+)\\.(\\d+)\\.(\\d+)");

    /**
     * @param versionNamespace
     *            string containing the namespace string indicating the version
     * @return string array containing the namespace prefix, major, minor,
     *         service and modifier components; or null if the string is not a
     *         valid version namespace
     */
    public static String[] parseVersionNamespace(String versionNamespace) {
        Matcher matcher = MODEL_URI_PATTERN.matcher(versionNamespace);
        Matcher oldMatcher = OLD_MODEL_URI_PATTERN.matcher(versionNamespace);
        if (matcher.matches()) {
            return new String[] { DATAMODEL_PREFIX, matcher.group(1), matcher.group(2), matcher.group(3),
                    matcher.group(4) };
        } else if (oldMatcher.matches()) {
            return new String[] { PREFIX, oldMatcher.group(1), oldMatcher.group(2), oldMatcher.group(3),
                    oldMatcher.group(4) };
        } else {
            return null;
        }
    }
}

Related

1. parseVersion(final String versionString)
2. parseVersion(String s, String groupId, String artifactId)
3. parseVersion(String version, int defaultRevision)
4. parseVersion(String version, String currentVersion)