417 lines
14 KiB
Java
417 lines
14 KiB
Java
/*
|
|
* Copyright (c) 1999, 2004, Oracle and/or its affiliates. All rights reserved.
|
|
* DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
|
|
*
|
|
* This code is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 only, as
|
|
* published by the Free Software Foundation. Oracle designates this
|
|
* particular file as subject to the "Classpath" exception as provided
|
|
* by Oracle in the LICENSE file that accompanied this code.
|
|
*
|
|
* This code is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
|
|
* version 2 for more details (a copy is included in the LICENSE file that
|
|
* accompanied this code).
|
|
*
|
|
* You should have received a copy of the GNU General Public License version
|
|
* 2 along with this work; if not, write to the Free Software Foundation,
|
|
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
|
|
*
|
|
* Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
|
|
* or visit www.oracle.com if you need additional information or have any
|
|
* questions.
|
|
*/
|
|
|
|
package sun.misc;
|
|
|
|
import java.util.StringTokenizer;
|
|
import java.util.jar.Attributes;
|
|
import java.util.jar.Attributes.Name;
|
|
import java.util.ResourceBundle;
|
|
import java.util.MissingResourceException;
|
|
import java.text.MessageFormat;
|
|
import java.lang.Character.*;
|
|
|
|
|
|
/**
|
|
* This class holds all necessary information to install or
|
|
* upgrade a extension on the user's disk
|
|
*
|
|
* @author Jerome Dochez
|
|
*/
|
|
public class ExtensionInfo {
|
|
|
|
/**
|
|
* <p>
|
|
* public static values returned by the isCompatible method
|
|
* </p>
|
|
*/
|
|
public static final int COMPATIBLE = 0;
|
|
public static final int REQUIRE_SPECIFICATION_UPGRADE = 1;
|
|
public static final int REQUIRE_IMPLEMENTATION_UPGRADE = 2;
|
|
public static final int REQUIRE_VENDOR_SWITCH = 3;
|
|
public static final int INCOMPATIBLE = 4;
|
|
|
|
/**
|
|
* <p>
|
|
* attributes fully describer an extension. The underlying described
|
|
* extension may be installed and requested.
|
|
* <p>
|
|
*/
|
|
public String title;
|
|
public String name;
|
|
public String specVersion;
|
|
public String specVendor;
|
|
public String implementationVersion;
|
|
public String vendor;
|
|
public String vendorId;
|
|
public String url;
|
|
|
|
// For I18N support
|
|
private static final ResourceBundle rb =
|
|
ResourceBundle.getBundle("sun.misc.resources.Messages");
|
|
|
|
|
|
/**
|
|
* <p>
|
|
* Create a new uninitialized extension information object
|
|
* </p>
|
|
*/
|
|
public ExtensionInfo() {
|
|
}
|
|
|
|
/**
|
|
* <p>
|
|
* Create and initialize an extension information object.
|
|
* The initialization uses the attributes passed as being
|
|
* the content of a manifest file to load the extension
|
|
* information from.
|
|
* Since manifest file may contain information on several
|
|
* extension they may depend on, the extension key parameter
|
|
* is prepanded to the attribute name to make the key used
|
|
* to retrieve the attribute from the manifest file
|
|
* <p>
|
|
* @param extensionKey unique extension key in the manifest
|
|
* @param attr Attributes of a manifest file
|
|
*/
|
|
public ExtensionInfo(String extensionKey, Attributes attr)
|
|
throws NullPointerException
|
|
{
|
|
String s;
|
|
if (extensionKey!=null) {
|
|
s = extensionKey + "-";
|
|
} else {
|
|
s ="";
|
|
}
|
|
|
|
String attrKey = s + Name.EXTENSION_NAME.toString();
|
|
name = attr.getValue(attrKey);
|
|
if (name != null)
|
|
name = name.trim();
|
|
|
|
attrKey = s + Name.SPECIFICATION_TITLE.toString();
|
|
title = attr.getValue(attrKey);
|
|
if (title != null)
|
|
title = title.trim();
|
|
|
|
attrKey = s + Name.SPECIFICATION_VERSION.toString();
|
|
specVersion = attr.getValue(attrKey);
|
|
if (specVersion != null)
|
|
specVersion = specVersion.trim();
|
|
|
|
attrKey = s + Name.SPECIFICATION_VENDOR.toString();
|
|
specVendor = attr.getValue(attrKey);
|
|
if (specVendor != null)
|
|
specVendor = specVendor.trim();
|
|
|
|
attrKey = s + Name.IMPLEMENTATION_VERSION.toString();
|
|
implementationVersion = attr.getValue(attrKey);
|
|
if (implementationVersion != null)
|
|
implementationVersion = implementationVersion.trim();
|
|
|
|
attrKey = s + Name.IMPLEMENTATION_VENDOR.toString();
|
|
vendor = attr.getValue(attrKey);
|
|
if (vendor != null)
|
|
vendor = vendor.trim();
|
|
|
|
attrKey = s + Name.IMPLEMENTATION_VENDOR_ID.toString();
|
|
vendorId = attr.getValue(attrKey);
|
|
if (vendorId != null)
|
|
vendorId = vendorId.trim();
|
|
|
|
attrKey =s + Name.IMPLEMENTATION_URL.toString();
|
|
url = attr.getValue(attrKey);
|
|
if (url != null)
|
|
url = url.trim();
|
|
}
|
|
|
|
/**
|
|
* <p>
|
|
* @return true if the extension described by this extension information
|
|
* is compatible with the extension described by the extension
|
|
* information passed as a parameter
|
|
* </p>
|
|
*
|
|
* @param the requested extension information to compare to
|
|
*/
|
|
public int isCompatibleWith(ExtensionInfo ei) {
|
|
|
|
if (name == null || ei.name == null)
|
|
return INCOMPATIBLE;
|
|
if (name.compareTo(ei.name)==0) {
|
|
// is this true, if not spec version is specified, we consider
|
|
// the value as being "any".
|
|
if (specVersion == null || ei.specVersion == null)
|
|
return COMPATIBLE;
|
|
|
|
int version = compareExtensionVersion(specVersion, ei.specVersion);
|
|
if (version<0) {
|
|
// this extension specification is "older"
|
|
if (vendorId != null && ei.vendorId !=null) {
|
|
if (vendorId.compareTo(ei.vendorId)!=0) {
|
|
return REQUIRE_VENDOR_SWITCH;
|
|
}
|
|
}
|
|
return REQUIRE_SPECIFICATION_UPGRADE;
|
|
} else {
|
|
// the extension spec is compatible, let's look at the
|
|
// implementation attributes
|
|
if (vendorId != null && ei.vendorId != null) {
|
|
// They care who provides the extension
|
|
if (vendorId.compareTo(ei.vendorId)!=0) {
|
|
// They want to use another vendor implementation
|
|
return REQUIRE_VENDOR_SWITCH;
|
|
} else {
|
|
// Vendor matches, let's see the implementation version
|
|
if (implementationVersion != null && ei.implementationVersion != null) {
|
|
// they care about the implementation version
|
|
version = compareExtensionVersion(implementationVersion, ei.implementationVersion);
|
|
if (version<0) {
|
|
// This extension is an older implementation
|
|
return REQUIRE_IMPLEMENTATION_UPGRADE;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
// All othe cases, we consider the extensions to be compatible
|
|
return COMPATIBLE;
|
|
}
|
|
}
|
|
return INCOMPATIBLE;
|
|
}
|
|
|
|
/**
|
|
* <p>
|
|
* helper method to print sensible information on the undelying described
|
|
* extension
|
|
* </p>
|
|
*/
|
|
public String toString() {
|
|
return "Extension : title(" + title + "), name(" + name + "), spec vendor(" +
|
|
specVendor + "), spec version(" + specVersion + "), impl vendor(" +
|
|
vendor + "), impl vendor id(" + vendorId + "), impl version(" +
|
|
implementationVersion + "), impl url(" + url + ")";
|
|
}
|
|
|
|
/*
|
|
* <p>
|
|
* helper method to compare two versions.
|
|
* version are in the x.y.z.t pattern.
|
|
* </p>
|
|
* @param source version to compare to
|
|
* @param target version used to compare against
|
|
* @return < 0 if source < version
|
|
* > 0 if source > version
|
|
* = 0 if source = version
|
|
*/
|
|
private int compareExtensionVersion(String source, String target)
|
|
throws NumberFormatException
|
|
{
|
|
source = source.toLowerCase();
|
|
target = target.toLowerCase();
|
|
|
|
return strictCompareExtensionVersion(source, target);
|
|
}
|
|
|
|
|
|
/*
|
|
* <p>
|
|
* helper method to compare two versions.
|
|
* version are in the x.y.z.t pattern.
|
|
* </p>
|
|
* @param source version to compare to
|
|
* @param target version used to compare against
|
|
* @return < 0 if source < version
|
|
* > 0 if source > version
|
|
* = 0 if source = version
|
|
*/
|
|
private int strictCompareExtensionVersion(String source, String target)
|
|
throws NumberFormatException
|
|
{
|
|
if (source.equals(target))
|
|
return 0;
|
|
|
|
StringTokenizer stk = new StringTokenizer(source, ".,");
|
|
StringTokenizer ttk = new StringTokenizer(target, ".,");
|
|
|
|
// Compare number
|
|
int n = 0, m = 0, result = 0;
|
|
|
|
// Convert token into meaning number for comparision
|
|
if (stk.hasMoreTokens())
|
|
n = convertToken(stk.nextToken().toString());
|
|
|
|
// Convert token into meaning number for comparision
|
|
if (ttk.hasMoreTokens())
|
|
m = convertToken(ttk.nextToken().toString());
|
|
|
|
if (n > m)
|
|
return 1;
|
|
else if (m > n)
|
|
return -1;
|
|
else
|
|
{
|
|
// Look for index of "." in the string
|
|
int sIdx = source.indexOf(".");
|
|
int tIdx = target.indexOf(".");
|
|
|
|
if (sIdx == -1)
|
|
sIdx = source.length() - 1;
|
|
|
|
if (tIdx == -1)
|
|
tIdx = target.length() - 1;
|
|
|
|
return strictCompareExtensionVersion(source.substring(sIdx + 1),
|
|
target.substring(tIdx + 1));
|
|
}
|
|
}
|
|
|
|
private int convertToken(String token)
|
|
{
|
|
if (token == null || token.equals(""))
|
|
return 0;
|
|
|
|
int charValue = 0;
|
|
int charVersion = 0;
|
|
int patchVersion = 0;
|
|
int strLength = token.length();
|
|
int endIndex = strLength;
|
|
char lastChar;
|
|
|
|
Object[] args = {name};
|
|
MessageFormat mf = new MessageFormat(rb.getString("optpkg.versionerror"));
|
|
String versionError = mf.format(args);
|
|
|
|
// Look for "-" for pre-release
|
|
int prIndex = token.indexOf("-");
|
|
|
|
// Look for "_" for patch release
|
|
int patchIndex = token.indexOf("_");
|
|
|
|
if (prIndex == -1 && patchIndex == -1)
|
|
{
|
|
// This is a FCS release
|
|
try {
|
|
return Integer.parseInt(token) * 100;
|
|
} catch (NumberFormatException e) {
|
|
System.out.println(versionError);
|
|
return 0;
|
|
}
|
|
}
|
|
else if (patchIndex != -1)
|
|
{
|
|
// This is a patch (update) release
|
|
int prversion;
|
|
try {
|
|
// Obtain the version
|
|
prversion = Integer.parseInt(token.substring(0, patchIndex));
|
|
|
|
// Check to see if the patch version is in the n.n.n_nnl format (special release)
|
|
lastChar = token.charAt(strLength-1);
|
|
if (Character.isLetter(lastChar)) {
|
|
// letters a-z have values from 10-35
|
|
charValue = Character.getNumericValue(lastChar);
|
|
endIndex = strLength-1;
|
|
|
|
// Obtain the patch version id
|
|
patchVersion = Integer.parseInt(token.substring(patchIndex+1, endIndex));
|
|
|
|
if (charValue >= Character.getNumericValue('a') && charValue <= Character.getNumericValue('z')) {
|
|
// This is a special release
|
|
charVersion = (patchVersion * 100) + charValue;
|
|
} else {
|
|
// character is not a a-z letter, ignore
|
|
charVersion = 0;
|
|
System.out.println(versionError);
|
|
}
|
|
} else {
|
|
// This is a regular update release. Obtain the patch version id
|
|
patchVersion = Integer.parseInt(token.substring(patchIndex+1, endIndex));
|
|
}
|
|
} catch (NumberFormatException e) {
|
|
System.out.println(versionError);
|
|
return 0;
|
|
}
|
|
return prversion * 100 + (patchVersion + charVersion);
|
|
}
|
|
else
|
|
{
|
|
//This is a milestone release, either a early access, alpha, beta, or RC
|
|
|
|
// Obtain the version
|
|
int mrversion;
|
|
try {
|
|
mrversion = Integer.parseInt(token.substring(0, prIndex));
|
|
} catch (NumberFormatException e) {
|
|
System.out.println(versionError);
|
|
return 0;
|
|
}
|
|
|
|
// Obtain the patch version string, including the milestone + version
|
|
String prString = token.substring(prIndex + 1);
|
|
|
|
// Milestone version
|
|
String msVersion = "";
|
|
int delta = 0;
|
|
|
|
if (prString.indexOf("ea") != -1)
|
|
{
|
|
msVersion = prString.substring(2);
|
|
delta = 50;
|
|
}
|
|
else if (prString.indexOf("alpha") != -1)
|
|
{
|
|
msVersion = prString.substring(5);
|
|
delta = 40;
|
|
}
|
|
else if (prString.indexOf("beta") != -1)
|
|
{
|
|
msVersion = prString.substring(4);
|
|
delta = 30;
|
|
}
|
|
else if (prString.indexOf("rc") != -1)
|
|
{
|
|
msVersion = prString.substring(2);
|
|
delta = 20;
|
|
}
|
|
|
|
if (msVersion == null || msVersion.equals(""))
|
|
{
|
|
// No version after the milestone, assume 0
|
|
return mrversion * 100 - delta ;
|
|
}
|
|
else
|
|
{
|
|
// Convert the milestone version
|
|
try {
|
|
return mrversion * 100 - delta + Integer.parseInt(msVersion);
|
|
} catch (NumberFormatException e) {
|
|
System.out.println(versionError);
|
|
return 0;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|