org.das2.util

Class AboutUtil

java.lang.Object

org.das2.util.AboutUtil

public class AboutUtil
extends java.lang.Object

method for getting useful build and version information. TODO: Splash should call this to get version, not the other way around.

Constructor Summary

Constructors

Constructor and Description
AboutUtil()

Method Summary

Modifier and Type	Method and Description
static java.lang.String	getAboutHtml() return HTML code describing the release version, Java version, build time, etc.
static java.util.List<java.lang.String>	getBuildInfos() searches class path for META-INF/build.txt, returns nice strings
static java.lang.String	getJenkinsURL() Identify the release by looking for build.jenkinsURL .
static java.lang.String	getReleaseTag() Identify the release version by looking a non-null build.tag.
static java.lang.String	getReleaseTag(java.lang.Class clas) return the tag assigned to the class, but looking for "META-INF/build.txt" in the jar file.
static boolean	isJreVersionAtLeast(java.lang.String neededVersion) evaluate if the current JRE version is at least a given level.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Detail

AboutUtil

public AboutUtil()

Method Detail

getAboutHtml

public static java.lang.String getAboutHtml()

return HTML code describing the release version, Java version, build time, etc.

Returns:

getBuildInfos

public static java.util.List<java.lang.String> getBuildInfos()
                                                      throws java.io.IOException

searches class path for META-INF/build.txt, returns nice strings

Returns:

one line per jar

Throws:

java.io.IOException - when META-INF/build.txt cannot be loaded.

getReleaseTag

public static java.lang.String getReleaseTag(java.lang.Class clas)
                                      throws java.io.IOException

return the tag assigned to the class, but looking for "META-INF/build.txt" in the jar file.

Parameters:

clas -

Returns:

release tag or "(dev)" if the tag is not found.

Throws:

java.io.IOException

isJreVersionAtLeast

public static boolean isJreVersionAtLeast(java.lang.String neededVersion)
                                   throws java.text.ParseException

evaluate if the current JRE version is at least a given level. This was introduced that

Parameters:

neededVersion - the Java version, such as "1.8.0_102"

Returns:

true if the JRE is at least the version, or if the JRE cannot be parsed.

Throws:

java.text.ParseException - if the JRE version reported doesn't match "(\\d+)\\.(\\d+)\\.\\d+\\_(\\d+)"

getReleaseTag

public static java.lang.String getReleaseTag()
                                      throws java.io.IOException

Identify the release version by looking a non-null build.tag. It's expected that the build script will insert build.tag into META-INF/build.txt

Returns:

build tag, which should not contain spaces, or (dev) if no tag is found.

Throws:

java.io.IOException

getJenkinsURL

public static java.lang.String getJenkinsURL()
                                      throws java.io.IOException

Identify the release by looking for build.jenkinsURL . It's expected that the build script will insert build.tag into META-INF/build.txt

Returns:

build URL, or "" if one is not found.

Throws:

java.io.IOException