org.apache.bval.util.BValVersion Maven / Gradle / Ivy
/*
* 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.bval.util;
import java.io.InputStream;
import java.io.IOException;
import java.util.Properties;
import java.util.StringTokenizer;
/**
* This class contains version information for BVal.
* It uses Ant's filter tokens to convert the template into a java
* file with current information.
*/
public class BValVersion {
/** Project name */
public static final String PROJECT_NAME = "Apache BVal";
/** Unique id of the current project/version/revision */
public static final String PROJECT_ID;
/** Version number */
public static final String VERSION_NUMBER;
/** Major release number */
public static final int MAJOR_RELEASE;
/** Minor release number */
public static final int MINOR_RELEASE;
/** Patch/point release number */
public static final int PATCH_RELEASE;
/** Release status */
public static final String RELEASE_STATUS;
/** Version control revision number */
public static final String REVISION_NUMBER;
static {
Properties revisionProps = new Properties();
try {
InputStream in = BValVersion.class.getResourceAsStream
("/META-INF/org.apache.bval.revision.properties");
if (in != null) {
try {
revisionProps.load(in);
} finally {
in.close();
}
}
} catch (IOException ioe) {
}
String vers = revisionProps.getProperty("project.version");
if (vers == null || "".equals(vers.trim()))
vers = "0.0.0";
VERSION_NUMBER = vers;
StringTokenizer tok = new StringTokenizer(VERSION_NUMBER, ".-");
int major, minor, patch;
try {
major = tok.hasMoreTokens() ? Integer.parseInt(tok.nextToken()) : 0;
} catch (Exception e) {
major = 0;
}
try {
minor = tok.hasMoreTokens() ? Integer.parseInt(tok.nextToken()) : 0;
} catch (Exception e) {
minor = 0;
}
try {
patch = tok.hasMoreTokens() ? Integer.parseInt(tok.nextToken()) : 0;
} catch (Exception e) {
patch = 0;
}
String revision = revisionProps.getProperty("svn.revision");
if (revision == null || "".equals(revision.trim())) {
revision = "unknown";
} else {
tok = new StringTokenizer(revision, ":");
String strTok = null;
while (tok.hasMoreTokens()) {
try {
strTok = tok.nextToken();
} catch (Exception e) {
}
}
if (strTok != null)
revision = strTok;
}
MAJOR_RELEASE = major;
MINOR_RELEASE = minor;
PATCH_RELEASE = patch;
RELEASE_STATUS = tok.hasMoreTokens() ? tok.nextToken("!") : "";
REVISION_NUMBER = revision;
PROJECT_ID = PROJECT_NAME + " " + VERSION_NUMBER + "-r" + REVISION_NUMBER;
}
/**
* Get the project version number.
* @return String
*/
public static String getVersion() {
return VERSION_NUMBER;
}
/**
* Get the version control revision number.
* @return String
*/
public static String getRevision() {
return REVISION_NUMBER;
}
/**
* Get the project name.
* @return String
*/
public static String getName() {
return PROJECT_NAME;
}
/**
* Get the fully-qualified project id.
* @return String
*/
public static String getID() {
return PROJECT_ID;
}
/**
* Main method of this class that prints the {@link #toString()} to System.out.
* @param args ignored
*/
public static void main(String [] args) {
System.out.println(new BValVersion().toString());
}
/**
* {@inheritDoc}
*/
public String toString() {
StringBuilder buf = new StringBuilder(80 * 40);
appendBanner(buf);
buf.append("\n");
appendProperty("os.name", buf).append("\n");
appendProperty("os.version", buf).append("\n");
appendProperty("os.arch", buf).append("\n\n");
appendProperty("java.version", buf).append("\n");
appendProperty("java.vendor", buf).append("\n\n");
buf.append("java.class.path:\n");
StringTokenizer tok = new StringTokenizer(
PrivilegedActions.getProperty("java.class.path"));
while (tok.hasMoreTokens()) {
buf.append("\t").append(tok.nextToken());
buf.append("\n");
}
buf.append("\n");
appendProperty("user.dir", buf).append("\n");
return buf.toString();
}
private void appendBanner(StringBuilder buf) {
buf.append("Project").append(": ").append(getName());
buf.append("\n");
buf.append("Version").append(": ").append(getVersion());
buf.append("\n");
buf.append("Revision").append(": ").append(getRevision());
buf.append("\n");
}
private StringBuilder appendProperty(String prop, StringBuilder buf) {
return buf.append(prop).append(": ").append(
PrivilegedActions.getProperty(prop));
}
}