com.sun.xml.rpc.util.VersionUtil Maven / Gradle / Ivy
/*
* Copyright (c) 1997, 2018 Oracle and/or its affiliates. All rights reserved.
*
* This program and the accompanying materials are made available under the
* terms of the Eclipse Public License v. 2.0, which is available at
* http://www.eclipse.org/legal/epl-2.0.
*
* This Source Code may also be made available under the following Secondary
* Licenses when the conditions for such availability set forth in the
* Eclipse Public License v. 2.0 are satisfied: GNU General Public License,
* version 2 with the GNU Classpath Exception, which is available at
* https://www.gnu.org/software/classpath/license.html.
*
* SPDX-License-Identifier: EPL-2.0 OR GPL-2.0 WITH Classpath-exception-2.0
*/
package com.sun.xml.rpc.util;
import java.util.StringTokenizer;
/**
* Provides some version utilities.
*
* @author JAX-RPC Development Team
*/
public final class VersionUtil implements Version {
/**
* Check if java version is greater than 1.3
*
* Method isJavaVersionGreaterThan1_3.
* @return boolean
*/
public static boolean isJavaVersionGreaterThan1_3() {
try {
Class.forName("java.net.URI");
return true;
} catch (ClassNotFoundException e) {
return false;
}
}
/**
* Check if java version is greater than 1.4
*
* @return boolean
*/
public static boolean isJavaVersionGreaterThan1_4() {
try {
Class.forName("java.util.UUID");
return true;
} catch (ClassNotFoundException e) {
return false;
}
}
/**
* GetJAX-RPC full version, like: "JAX-RPC Reference Implementation 1.1 EA-R16"
*
* Method getJAXRPCCompleteVersion.
* @return String
*/
public static String getJAXRPCCompleteVersion() {
return PRODUCT_NAME + VERSION_NUMBER + BUILD_NUMBER;
}
/**
* Method getJAXRPCVersion.
* @return String
*/
public static String getJAXRPCVersion() {
return VERSION_NUMBER;
}
/**
* Method getJAXRPCBuildNumber.
* @return String
*/
public static String getJAXRPCBuildNumber() {
return BUILD_NUMBER;
}
/**
* Method getJAXRPCProductName.
* @return String
*/
public static String getJAXRPCProductName() {
return PRODUCT_NAME;
}
/**
* How many versions should we support, considering 2 right now.
*/
/**
* Check if the version is JAXRPC 1.01.
* @param version check if the required version is 1.01
* @return boolean ture if 1.01, false otherwise
*/
public static boolean isVersion101(String version) {
return JAXRPC_VERSION_101.equals(version);
}
/**
* Check if the version is JAXRPC 1.03
*
* @param version version check if the required version is 1.03
* @return boolean ture if 1.03, false otherwise
*/
public static boolean isVersion103(String version) {
return JAXRPC_VERSION_103.equals(version);
}
/**
* @param version
* @return true if the JAX-RPC version is 1.1
*/
public static boolean isVersion11(String version) {
return JAXRPC_VERSION_11.equals(version);
}
public static boolean isVersion111(String version) {
return JAXRPC_VERSION_111.equals(version);
}
public static boolean isVersion112(String version) {
return JAXRPC_VERSION_112.equals(version) ||
JAXRPC_VERSION_112_01.equals(version) ||
JAXRPC_VERSION_112_02.equals(version);
}
/**
* Checks if the version string is a
* @param version String to check
* @return true if a valid JAX-RPC version, false otherwise
*/
public static boolean isValidVersion(String version) {
return isVersion101(version)
|| isVersion103(version)
|| isVersion11(version)
|| isVersion111(version)
|| isVersion112(version);
}
/**
* BugFix# 4948171
* Method getCanonicalVersion.
*
* Converts a given version to the format "a.b.c.d"
* a - major version
* b - minor version
* c - minor minor version
* d - patch version
*
* @param version String to check
* @return int[] Canonical version number
*/
public static int[] getCanonicalVersion(String version) {
int[] canonicalVersion = new int[4];
// initialize the default version numbers
canonicalVersion[0] = 1;
canonicalVersion[1] = 1;
canonicalVersion[2] = 0;
canonicalVersion[3] = 0;
final String DASH_DELIM = "_";
final String DOT_DELIM = ".";
StringTokenizer tokenizer =
new StringTokenizer(version, DOT_DELIM);
String token = tokenizer.nextToken();
// first token is major version and must not have "_"
canonicalVersion[0] = Integer.parseInt(token);
// resolve the minor version
token = tokenizer.nextToken();
if (token.indexOf(DASH_DELIM) == -1) {
// a.b
canonicalVersion[1] = Integer.parseInt(token);
} else {
// a.b_c
StringTokenizer subTokenizer =
new StringTokenizer(token, DASH_DELIM);
canonicalVersion[1] = Integer.parseInt(subTokenizer.nextToken());
// leave minorMinor default
canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken());
}
// resolve the minorMinor and patch version, if any
if (tokenizer.hasMoreTokens()) {
token = tokenizer.nextToken();
if (token.indexOf(DASH_DELIM) == -1) {
// minorMinor
canonicalVersion[2] = Integer.parseInt(token);
// resolve patch, if any
if (tokenizer.hasMoreTokens())
canonicalVersion[3] = Integer.parseInt(tokenizer.nextToken());
} else {
// a.b.c_d
StringTokenizer subTokenizer =
new StringTokenizer(token, DASH_DELIM);
// minorMinor
canonicalVersion[2] = Integer.parseInt(subTokenizer.nextToken());
// patch
canonicalVersion[3] = Integer.parseInt(subTokenizer.nextToken());
}
}
return canonicalVersion;
}
/**
*
* @param version1
* @param version2
* @return -1, 0 or 1 based upon the comparison results
* -1 if version1 is less than version2
* 0 if version1 is equal to version2
* 1 if version1 is greater than version2
*/
public static int compare(String version1, String version2) {
int[] canonicalVersion1 = getCanonicalVersion(version1);
int[] canonicalVersion2 = getCanonicalVersion(version2);
if (canonicalVersion1[0] < canonicalVersion2[0]) {
return -1;
} else if (canonicalVersion1[0] > canonicalVersion2[0]) {
return 1;
} else {
if (canonicalVersion1[1] < canonicalVersion2[1]) {
return -1;
} else if (canonicalVersion1[1] > canonicalVersion2[1]) {
return 1;
} else {
if (canonicalVersion1[2] < canonicalVersion2[2]) {
return -1;
} else if (canonicalVersion1[2] > canonicalVersion2[2]) {
return 1;
} else {
if (canonicalVersion1[3] < canonicalVersion2[3]) {
return -1;
} else if (canonicalVersion1[3] > canonicalVersion2[3]) {
return 1;
} else
return 0;
}
}
}
}
public static final String JAXRPC_VERSION_101 = "1.0.1";
public static final String JAXRPC_VERSION_103 = "1.0.3";
public static final String JAXRPC_VERSION_11 = "1.1";
public static final String JAXRPC_VERSION_111 = "1.1.1";
public static final String JAXRPC_VERSION_112 = "1.1.2";
public static final String JAXRPC_VERSION_112_01 = "1.1.2_01";
public static final String JAXRPC_VERSION_112_02 = "1.1.2_02";
public static final String JAXRPC_VERSION_113 = "1.1.3";
// the latest version is default
public static final String JAXRPC_VERSION_DEFAULT = JAXRPC_VERSION_113;
}