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package com.sun.enterprise.tools.upgrade.common;
import com.sun.enterprise.util.i18n.StringManager;
import com.sun.enterprise.tools.upgrade.logging.*;
import java.io.File;
import java.util.logging.Level;
import java.util.logging.Logger;
import org.w3c.dom.Document;
import org.w3c.dom.Element;
public class VersionExtracter {
private static final StringManager stringManager =
StringManager.getManager(VersionExtracter.class);
private static final Logger logger = LogService.getLogger();
private final CommonInfoModel common;
public VersionExtracter(CommonInfoModel common) {
this.common = common;
}
/**
* Method to put together the version and edition (if any) in a simple format.
*/
public String formatVersionEditionStrings(String v, String e) {
return v + UpgradeConstants.DELIMITER + e;
}
/**
* Method to determine the version/edition information from the config file.
*/
public String extractVersionFromConfigFile(String cfgFilename) {
String verEdStr = null;
File configFile = new File(cfgFilename);
if (!configFile.exists() || !configFile.isFile()) {
return null;
}
UpgradeUtils upgrUtils = UpgradeUtils.getUpgradeUtils(common);
Document adminServerDoc =
upgrUtils.getDomainDocumentElement(cfgFilename);
if (adminServerDoc == null) {
return null;
}
try {
String versionString = null;
String publicID = adminServerDoc.getDoctype().getPublicId();
String appservString = stringManager.getString(
"common.versionextracter.appserver.string");
int indx = publicID.indexOf(appservString);
if (indx > -1) {
//- product version is 1st token after the appserver text.
String tmpS = publicID.substring(indx + appservString.length()).trim();
String[] s = tmpS.split(" ");
versionString = s[0];
}
verEdStr = formatVersionEditionStrings(versionString, UpgradeConstants.ALL_PROFILE);
} catch (Exception ex) {
//- Very basic check that this contain V3 domain XML.
Element rootElement = adminServerDoc.getDocumentElement();
if (!"domain".equals(rootElement.getTagName())) {
logger.log(Level.SEVERE, stringManager.getString("common.versionextracter.dtd_product_version_find_failured"), ex);
} else {
verEdStr = formatVersionEditionStrings(UpgradeConstants.VERSION_3_1, UpgradeConstants.ALL_PROFILE);
}
}
return verEdStr;
}
}