Editing Task:Brainstorm Java

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Temporary entry to outline Brainstorm entry for ''Java support on Maemo 5'' [http://talk.maemo.org/showthread.php?t=32914 as result of discussion on t.m.o]. Also see [[Java]]; this wiki entry is permanent and not related to Brainstorm.
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Temporary entry to outline Brainstorm entry for ''Java support on Maemo 5'' [http://talk.maemo.org/showthread.php?t=32914 as result of discussion on t.m.o]. Also see the [[Java]]; this wiki entry is permanent and not related to Brainstorm.
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== Proposal 1: [http://java.sun.com/javame/ Java ME] ==
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TODO: Compatibility of open source implementations with the official one. Certified YES/NO. If no, please link to what is missing.
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=== Nokia buys Java ME royalities and lets SUN port it ===
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TODO: Browser plugin is not covered in discussion.
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*+) Official implementation, official support
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Proposal 1:
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*+) [http://talk.maemo.org/showpost.php?p=351021&postcount=95 According to a member of the Java Runtime Team] at Nokia, some work on this port has already been done.
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[http://java.sun.com/javame/ Java ME]
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*-)  Probably quite expensive
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*-)  Closed license
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=== Community ports [https://phoneme.dev.java.net PhoneME] ([http://www.sun.com/software/opensource/java/faq.jsp#c more info]) ===
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Nokia buys Java ME royalities and lets SUN port it
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+) Official implementation, official support
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-) Probably quite expensive
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-) Closed license
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*+) GPL
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Community ports [https://phoneme.dev.java.net PhoneME]
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*-) No team as of yet
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[http://www.sun.com/software/opensource/java/faq.jsp more info]
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*-) Not "official", so no advertising of MIDP capability
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+) GPL
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*-) No info as to how complete this implementation is
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-) No team as of yet
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-) Not "official", so no advertising of MIDP capability
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-) No info as to how complete this implementation is
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=== Nokia or the community ports a Java SE implementation, and we use something like [http://www.microemu.org MicroEmu] for ME compatibility ===
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Nokia ports PhoneME
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+-) See above
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*+-) See above
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Nokia or the community ports a Java SE implementation,
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*-) Might be a bit slower
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and we use something like [http://www.microemu.org MicroEmu] for ME compatibility
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+-) See above
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-) Might be a bit slower
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=== Use the Google Android's Virtual Machine Dalvik ===
 
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*+) Open source, fast, mobile phone optimized
 
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*+) It would be great if the Maemo community could profit from all android apps.
 
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*-) Google
 
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== Proposal 2: [http://java.sun.com/javase/embedded Java SE] ==
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Proposal 2:
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[http://java.sun.com/javase/embedded Java SE]
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=== Nokia buys Java SE embedded royalities and lets SUN port it ===
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Nokia buys Java SE embedded royalities and lets SUN port it
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+) Official implementation, official support
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-) Probably quite expensive
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-) Closed license
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*+) Official implementation, official support
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Community ports [http://openjdk.java.net OpenJDK 6 JRE]
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*-) Probably quite expensive
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[http://www.sun.com/software/opensource/java/faq.jsp more info]
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*-) Closed license
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+) GPL
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-) No team as of yet
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-) Not "official", so no advertising
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-) No info as to how complete this implementation is
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Nokia ports OpenJDK 6 JRE
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+-) see above
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=== Community ports [http://openjdk.java.net OpenJDK 6 JRE] ([http://www.sun.com/software/opensource/java/faq.jsp#b more info]) ===
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Community ports [https://wiki.evolvis.org/jalimo/ Jalimo]
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+) GPL
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-) Not much activity lately
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-) No advertising, maybe incomplete
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*+) GPL
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Community or Nokia builds [http://icedtea.classpath.org/wiki/Main_Page Iced Tea]
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*+) OpenJDK Port of [http://www.camswl.com/openjdk Cambridge Software Labs] seems to work quite good on N900: [[OpenJDK 6.0_0 (Cambridge Software Labs) on N900]]
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+) True GPL, no binary components
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*-) No team as of yet
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-) No team so far
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*-) Not "official", so no advertising
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-) No official advertising
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*-) No info as to how complete this implementation is
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=== Community ports [https://wiki.evolvis.org/jalimo/ Jalimo] ===
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-
 
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*+) GPL
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*-) Not much activity lately
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*-) No advertising, maybe incomplete
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=== Community or Nokia builds [http://icedtea.classpath.org/wiki/Main_Page Iced Tea] ===
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* ) This actually includes the Cambridge optimisations, so IcedTea supersedes "Community ports OpenJDK 6 JRE".
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*+) Debian already has armel packages of this. Only repackage needed.
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*+) The above repackage has been done and uploaded to extras-devel: http://talk.maemo.org/showthread.php?t=51871
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*-) However, no hildonization. The Jalimo project has built good Hildonized SWT, which can be combined with this for good results.
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*+) True GPL, no binary components
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*-) No team so far
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*-) No official advertising
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== Todo ==
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Following is not taken into account in above proposals.
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-
 
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*?) Compatibility of open source implementations with the official one. Certified YES/NO. If no, please link to what is missing.
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*?) Browser plugin is not covered in discussion.
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[[Category:Community]]
[[Category:Community]]
[[Category:Brainstorm]]
[[Category:Brainstorm]]

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