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package com.sun.enterprise.addons;
import com.sun.appserv.addons.AddonVersion;
import com.sun.appserv.addons.AddonException;
/**
* Parse the given addon name into majr, minor and patch levels
* and return those component versions to the callers.
*
* @since 9.1
* @authod sreenivas.munnangi@sun.com
*/
public class AddonVersionImpl implements AddonVersion {
private String addonName = null;
private String namePart = null;
private String version = null;
private int major = 0;
private int minor = 0;
private int patch = 0;
private final String DEFAULT_VERSION = "00_00_00";
private final String VERSION_PATTERN = ".*_[0-9][0-9]_[0-9][0-9]_[0-9][0-9]";
private final String VERSION_SEPARATOR = "_";
/**
* Constructor
*/
AddonVersionImpl(String addonName) throws AddonException {
this.addonName = addonName;
if (addonName.matches(VERSION_PATTERN)) {
version = addonName.substring((addonName.length() - DEFAULT_VERSION.length()));
namePart = addonName.substring(0, (addonName.length() - (DEFAULT_VERSION.length() + 1)));
} else {
version = DEFAULT_VERSION;
namePart = addonName;
}
parseVersion(version);
}
private void parseVersion(String versionPart) throws AddonException {
String [] strArr = versionPart.split(VERSION_SEPARATOR);
setMajor(strArr[0]);
setMinor(strArr[1]);
setPatch(strArr[2]);
}
/**
* Get the full version as string, for example.
* If the addon is named as am_components_installer_01_02_03.jar
* then the version output will be "01_02_03" in String format.
* @return String version
*/
public String getVersion() throws AddonException {
return version;
}
/**
* Get the majr version, for example.
* If the addon is named as am_components_installer_01_02_03.jar
* then the value of 1 will be returned.
* @return int major
*/
public int getMajor() throws AddonException {
return this.major;
}
private void setMajor(String major) throws AddonException {
try {
this.major = (Integer.valueOf(major)).intValue();
} catch (Exception e) {
throw new AddonException(e);
}
}
/**
* Get the minor version, for example.
* If the addon is named as am_components_installer_01_02_03.jar
* then the value of 2 will be returned.
* @return int minor
*/
public int getMinor() throws AddonException {
return this.minor;
}
private void setMinor(String minor) throws AddonException {
try {
this.minor = (Integer.valueOf(minor)).intValue();
} catch (Exception e) {
throw new AddonException(e);
}
}
/**
* Get the patch version, for example.
* If the addon is named as am_components_installer_01_02_03.jar
* then the value of 3 will be returned.
* @return int patch
*/
public int getPatch() throws AddonException {
return this.patch;
}
private void setPatch(String patch) throws AddonException {
try {
this.patch = (Integer.valueOf(patch)).intValue();
} catch (Exception e) {
throw new AddonException(e);
}
}
protected String getName() {
return addonName;
}
protected String getNamePart() {
return namePart;
}
public String toString() {
StringBuffer sb = new StringBuffer("");
try {
sb.append("Version details for the AddOn " + addonName + ":");
sb.append("version = " + getVersion() + ":");
sb.append("major = " + getMajor() + ":");
sb.append("minor = " + getMinor() + ":");
sb.append("patch = " + getPatch());
} catch (Exception e) {
}
return sb.toString();
}
protected boolean isHigher(AddonVersionImpl newVersion)
throws AddonException {
if (newVersion.getMajor() > getMajor()) {
return true;
} else if (newVersion.getMajor() < getMajor()) {
return false;
}
if (newVersion.getMinor() > getMinor()) {
return true;
} else if (newVersion.getMinor() < getMinor()) {
return false;
}
if (newVersion.getPatch() > getPatch()) {
return true;
}
return false;
}
protected boolean isLower(AddonVersionImpl newVersion)
throws AddonException {
if (newVersion.getMajor() < getMajor()) {
return true;
} else if (newVersion.getMajor() > getMajor()) {
return false;
}
if (newVersion.getMinor() < getMinor()) {
return true;
} else if (newVersion.getMinor() > getMinor()) {
return false;
}
if (newVersion.getPatch() < getPatch()) {
return true;
}
return false;
}
}