source: other-projects/gs2-java-client/trunk/GPL

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1 GNU GENERAL PUBLIC LICENSE
2 Version 2, June 1991
3
4 Copyright (C) 1989, 1991 Free Software Foundation, Inc.
5 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
6 Everyone is permitted to copy and distribute verbatim copies
7 of this license document, but changing it is not allowed.
8
9 Preamble
10
11 The licenses for most software are designed to take away your
12freedom to share and change it. By contrast, the GNU General Public
13License is intended to guarantee your freedom to share and change free
14software--to make sure the software is free for all its users. This
15General Public License applies to most of the Free Software
16Foundation's software and to any other program whose authors commit to
17using it. (Some other Free Software Foundation software is covered by
18the GNU Library General Public License instead.) You can apply it to
19your programs, too.
20
21 When we speak of free software, we are referring to freedom, not
22price. Our General Public Licenses are designed to make sure that you
23have the freedom to distribute copies of free software (and charge for
24this service if you wish), that you receive source code or can get it
25if you want it, that you can change the software or use pieces of it
26in new free programs; and that you know you can do these things.
27
28 To protect your rights, we need to make restrictions that forbid
29anyone to deny you these rights or to ask you to surrender the rights.
30These restrictions translate to certain responsibilities for you if you
31distribute copies of the software, or if you modify it.
32
33 For example, if you distribute copies of such a program, whether
34gratis or for a fee, you must give the recipients all the rights that
35you have. You must make sure that they, too, receive or can get the
36source code. And you must show them these terms so they know their
37rights.
38
39 We protect your rights with two steps: (1) copyright the software, and
40(2) offer you this license which gives you legal permission to copy,
41distribute and/or modify the software.
42
43 Also, for each author's protection and ours, we want to make certain
44that everyone understands that there is no warranty for this free
45software. If the software is modified by someone else and passed on, we
46want its recipients to know that what they have is not the original, so
47that any problems introduced by others will not reflect on the original
48authors' reputations.
49
50 Finally, any free program is threatened constantly by software
51patents. We wish to avoid the danger that redistributors of a free
52program will individually obtain patent licenses, in effect making the
53program proprietary. To prevent this, we have made it clear that any
54patent must be licensed for everyone's free use or not licensed at all.
55
56 The precise terms and conditions for copying, distribution and
57modification follow.
58
59
60 GNU GENERAL PUBLIC LICENSE
61 TERMS AND CONDITIONS FOR COPYING, DISTRIBUTION AND MODIFICATION
62
63 0. This License applies to any program or other work which contains
64a notice placed by the copyright holder saying it may be distributed
65under the terms of this General Public License. The "Program", below,
66refers to any such program or work, and a "work based on the Program"
67means either the Program or any derivative work under copyright law:
68that is to say, a work containing the Program or a portion of it,
69either verbatim or with modifications and/or translated into another
70language. (Hereinafter, translation is included without limitation in
71the term "modification".) Each licensee is addressed as "you".
72
73Activities other than copying, distribution and modification are not
74covered by this License; they are outside its scope. The act of
75running the Program is not restricted, and the output from the Program
76is covered only if its contents constitute a work based on the
77Program (independent of having been made by running the Program).
78Whether that is true depends on what the Program does.
79
80 1. You may copy and distribute verbatim copies of the Program's
81source code as you receive it, in any medium, provided that you
82conspicuously and appropriately publish on each copy an appropriate
83copyright notice and disclaimer of warranty; keep intact all the
84notices that refer to this License and to the absence of any warranty;
85and give any other recipients of the Program a copy of this License
86along with the Program.
87
88You may charge a fee for the physical act of transferring a copy, and
89you may at your option offer warranty protection in exchange for a fee.
90
91 2. You may modify your copy or copies of the Program or any portion
92of it, thus forming a work based on the Program, and copy and
93distribute such modifications or work under the terms of Section 1
94above, provided that you also meet all of these conditions:
95
96 a) You must cause the modified files to carry prominent notices
97 stating that you changed the files and the date of any change.
98
99 b) You must cause any work that you distribute or publish, that in
100 whole or in part contains or is derived from the Program or any
101 part thereof, to be licensed as a whole at no charge to all third
102 parties under the terms of this License.
103
104 c) If the modified program normally reads commands interactively
105 when run, you must cause it, when started running for such
106 interactive use in the most ordinary way, to print or display an
107 announcement including an appropriate copyright notice and a
108 notice that there is no warranty (or else, saying that you provide
109 a warranty) and that users may redistribute the program under
110 these conditions, and telling the user how to view a copy of this
111 License. (Exception: if the Program itself is interactive but
112 does not normally print such an announcement, your work based on
113 the Program is not required to print an announcement.)
114
115
116These requirements apply to the modified work as a whole. If
117identifiable sections of that work are not derived from the Program,
118and can be reasonably considered independent and separate works in
119themselves, then this License, and its terms, do not apply to those
120sections when you distribute them as separate works. But when you
121distribute the same sections as part of a whole which is a work based
122on the Program, the distribution of the whole must be on the terms of
123this License, whose permissions for other licensees extend to the
124entire whole, and thus to each and every part regardless of who wrote it.
125
126Thus, it is not the intent of this section to claim rights or contest
127your rights to work written entirely by you; rather, the intent is to
128exercise the right to control the distribution of derivative or
129collective works based on the Program.
130
131In addition, mere aggregation of another work not based on the Program
132with the Program (or with a work based on the Program) on a volume of
133a storage or distribution medium does not bring the other work under
134the scope of this License.
135
136 3. You may copy and distribute the Program (or a work based on it,
137under Section 2) in object code or executable form under the terms of
138Sections 1 and 2 above provided that you also do one of the following:
139
140 a) Accompany it with the complete corresponding machine-readable
141 source code, which must be distributed under the terms of Sections
142 1 and 2 above on a medium customarily used for software interchange; or,
143
144 b) Accompany it with a written offer, valid for at least three
145 years, to give any third party, for a charge no more than your
146 cost of physically performing source distribution, a complete
147 machine-readable copy of the corresponding source code, to be
148 distributed under the terms of Sections 1 and 2 above on a medium
149 customarily used for software interchange; or,
150
151 c) Accompany it with the information you received as to the offer
152 to distribute corresponding source code. (This alternative is
153 allowed only for noncommercial distribution and only if you
154 received the program in object code or executable form with such
155 an offer, in accord with Subsection b above.)
156
157The source code for a work means the preferred form of the work for
158making modifications to it. For an executable work, complete source
159code means all the source code for all modules it contains, plus any
160associated interface definition files, plus the scripts used to
161control compilation and installation of the executable. However, as a
162special exception, the source code distributed need not include
163anything that is normally distributed (in either source or binary
164form) with the major components (compiler, kernel, and so on) of the
165operating system on which the executable runs, unless that component
166itself accompanies the executable.
167
168If distribution of executable or object code is made by offering
169access to copy from a designated place, then offering equivalent
170access to copy the source code from the same place counts as
171distribution of the source code, even though third parties are not
172compelled to copy the source along with the object code.
173
174
175 4. You may not copy, modify, sublicense, or distribute the Program
176except as expressly provided under this License. Any attempt
177otherwise to copy, modify, sublicense or distribute the Program is
178void, and will automatically terminate your rights under this License.
179However, parties who have received copies, or rights, from you under
180this License will not have their licenses terminated so long as such
181parties remain in full compliance.
182
183 5. You are not required to accept this License, since you have not
184signed it. However, nothing else grants you permission to modify or
185distribute the Program or its derivative works. These actions are
186prohibited by law if you do not accept this License. Therefore, by
187modifying or distributing the Program (or any work based on the
188Program), you indicate your acceptance of this License to do so, and
189all its terms and conditions for copying, distributing or modifying
190the Program or works based on it.
191
192 6. Each time you redistribute the Program (or any work based on the
193Program), the recipient automatically receives a license from the
194original licensor to copy, distribute or modify the Program subject to
195these terms and conditions. You may not impose any further
196restrictions on the recipients' exercise of the rights granted herein.
197You are not responsible for enforcing compliance by third parties to
198this License.
199
200 7. If, as a consequence of a court judgment or allegation of patent
201infringement or for any other reason (not limited to patent issues),
202conditions are imposed on you (whether by court order, agreement or
203otherwise) that contradict the conditions of this License, they do not
204excuse you from the conditions of this License. If you cannot
205distribute so as to satisfy simultaneously your obligations under this
206License and any other pertinent obligations, then as a consequence you
207may not distribute the Program at all. For example, if a patent
208license would not permit royalty-free redistribution of the Program by
209all those who receive copies directly or indirectly through you, then
210the only way you could satisfy both it and this License would be to
211refrain entirely from distribution of the Program.
212
213If any portion of this section is held invalid or unenforceable under
214any particular circumstance, the balance of the section is intended to
215apply and the section as a whole is intended to apply in other
216circumstances.
217
218It is not the purpose of this section to induce you to infringe any
219patents or other property right claims or to contest validity of any
220such claims; this section has the sole purpose of protecting the
221integrity of the free software distribution system, which is
222implemented by public license practices. Many people have made
223generous contributions to the wide range of software distributed
224through that system in reliance on consistent application of that
225system; it is up to the author/donor to decide if he or she is willing
226to distribute software through any other system and a licensee cannot
227impose that choice.
228
229This section is intended to make thoroughly clear what is believed to
230be a consequence of the rest of this License.
231
232
233 8. If the distribution and/or use of the Program is restricted in
234certain countries either by patents or by copyrighted interfaces, the
235original copyright holder who places the Program under this License
236may add an explicit geographical distribution limitation excluding
237those countries, so that distribution is permitted only in or among
238countries not thus excluded. In such case, this License incorporates
239the limitation as if written in the body of this License.
240
241 9. The Free Software Foundation may publish revised and/or new versions
242of the General Public License from time to time. Such new versions will
243be similar in spirit to the present version, but may differ in detail to
244address new problems or concerns.
245
246Each version is given a distinguishing version number. If the Program
247specifies a version number of this License which applies to it and "any
248later version", you have the option of following the terms and conditions
249either of that version or of any later version published by the Free
250Software Foundation. If the Program does not specify a version number of
251this License, you may choose any version ever published by the Free Software
252Foundation.
253
254 10. If you wish to incorporate parts of the Program into other free
255programs whose distribution conditions are different, write to the author
256to ask for permission. For software which is copyrighted by the Free
257Software Foundation, write to the Free Software Foundation; we sometimes
258make exceptions for this. Our decision will be guided by the two goals
259of preserving the free status of all derivatives of our free software and
260of promoting the sharing and reuse of software generally.
261
262 NO WARRANTY
263
264 11. BECAUSE THE PROGRAM IS LICENSED FREE OF CHARGE, THERE IS NO WARRANTY
265FOR THE PROGRAM, TO THE EXTENT PERMITTED BY APPLICABLE LAW. EXCEPT WHEN
266OTHERWISE STATED IN WRITING THE COPYRIGHT HOLDERS AND/OR OTHER PARTIES
267PROVIDE THE PROGRAM "AS IS" WITHOUT WARRANTY OF ANY KIND, EITHER EXPRESSED
268OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
269MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE. THE ENTIRE RISK AS
270TO THE QUALITY AND PERFORMANCE OF THE PROGRAM IS WITH YOU. SHOULD THE
271PROGRAM PROVE DEFECTIVE, YOU ASSUME THE COST OF ALL NECESSARY SERVICING,
272REPAIR OR CORRECTION.
273
274 12. IN NO EVENT UNLESS REQUIRED BY APPLICABLE LAW OR AGREED TO IN WRITING
275WILL ANY COPYRIGHT HOLDER, OR ANY OTHER PARTY WHO MAY MODIFY AND/OR
276REDISTRIBUTE THE PROGRAM AS PERMITTED ABOVE, BE LIABLE TO YOU FOR DAMAGES,
277INCLUDING ANY GENERAL, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES ARISING
278OUT OF THE USE OR INABILITY TO USE THE PROGRAM (INCLUDING BUT NOT LIMITED
279TO LOSS OF DATA OR DATA BEING RENDERED INACCURATE OR LOSSES SUSTAINED BY
280YOU OR THIRD PARTIES OR A FAILURE OF THE PROGRAM TO OPERATE WITH ANY OTHER
281PROGRAMS), EVEN IF SUCH HOLDER OR OTHER PARTY HAS BEEN ADVISED OF THE
282POSSIBILITY OF SUCH DAMAGES.
283
284 END OF TERMS AND CONDITIONS
285
286
287 How to Apply These Terms to Your New Programs
288
289 If you develop a new program, and you want it to be of the greatest
290possible use to the public, the best way to achieve this is to make it
291free software which everyone can redistribute and change under these terms.
292
293 To do so, attach the following notices to the program. It is safest
294to attach them to the start of each source file to most effectively
295convey the exclusion of warranty; and each file should have at least
296the "copyright" line and a pointer to where the full notice is found.
297
298 <one line to give the program's name and a brief idea of what it does.>
299 Copyright (C) 19yy <name of author>
300
301 This program is free software; you can redistribute it and/or modify
302 it under the terms of the GNU General Public License as published by
303 the Free Software Foundation; either version 2 of the License, or
304 (at your option) any later version.
305
306 This program is distributed in the hope that it will be useful,
307 but WITHOUT ANY WARRANTY; without even the implied warranty of
308 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
309 GNU General Public License for more details.
310
311 You should have received a copy of the GNU General Public License
312 along with this program; if not, write to the Free Software
313 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
314
315
316Also add information on how to contact you by electronic and paper mail.
317
318If the program is interactive, make it output a short notice like this
319when it starts in an interactive mode:
320
321 Gnomovision version 69, Copyright (C) 19yy name of author
322 Gnomovision comes with ABSOLUTELY NO WARRANTY; for details type `show w'.
323 This is free software, and you are welcome to redistribute it
324 under certain conditions; type `show c' for details.
325
326The hypothetical commands `show w' and `show c' should show the appropriate
327parts of the General Public License. Of course, the commands you use may
328be called something other than `show w' and `show c'; they could even be
329mouse-clicks or menu items--whatever suits your program.
330
331You should also get your employer (if you work as a programmer) or your
332school, if any, to sign a "copyright disclaimer" for the program, if
333necessary. Here is a sample; alter the names:
334
335 Yoyodyne, Inc., hereby disclaims all copyright interest in the program
336 `Gnomovision' (which makes passes at compilers) written by James Hacker.
337
338 <signature of Ty Coon>, 1 April 1989
339 Ty Coon, President of Vice
340
341This General Public License does not permit incorporating your program into
342proprietary programs. If your program is a subroutine library, you may
343consider it more useful to permit linking proprietary applications with the
344library. If this is what you want to do, use the GNU Library General
345Public License instead of this License.
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