For if/else, try/catch, and changing the value of a property, all you need is either antcontrib (ant-contrib.sourceforge.net) or antelope (antelope.tigris.org) tasks.
Dale On Thu, Jun 11, 2009 at 10:48 AM, Dean Schulze<dean_w_schu...@yahoo.com> wrote: > > I anticipate using a simple build.xml with different targets to kick off the > Build.java file passing in whatever parameters correspond to different > targets. The heavy lifting would be done by the Build.java. build.xml would > be used for parameter passing and for integration with Eclipse. > > Ant build scripts make simple things like an if .... else difficult and > things like changing the value of a property impossible. Simple things can > be done in xml I only anticipate using build.xml to invoke the Build.java. > > > > --- On Thu, 6/11/09, Cole, Derek E <derek.e.c...@lmco.com> wrote: > > From: Cole, Derek E <derek.e.c...@lmco.com> > Subject: RE: Replacing build.xml with Build.java - Doing Ant builds directly > from Java > To: "Ant Users List" <user@ant.apache.org> > Date: Thursday, June 11, 2009, 9:41 AM > > You are correct that there is very little documentation on the subject, other > than a few small, simple examples on the net. It seemed like one of the > responders in that link you posted was implying that he spoofed the tasks he > needed to use? That seems like quite a bit more work than would be necessary. > When I have used ant from java, it was primarily to control dependencies, but > I still had underlying build.xml files that individual targets were called > from, using the java program to control when, handle errors, etc. > > Derek > > -----Original Message----- > From: Dean Schulze [mailto:dean_w_schu...@yahoo.com] > Sent: Thursday, June 11, 2009 11:28 AM > To: user@ant.apache.org > Subject: Replacing build.xml with Build.java - Doing Ant builds directly from > Java > > > The Ant documentation has a section titled "Using Ant Tasks Outside > of Ant" which gives a teaser for how to use the Ant libraries from Java > code. In theory it seems simple enough to replace build.xml with > Build.java. The Ant documentation hints at some undocumented > dependencies that I'll have to discover (undocumented from the point of > view of using Ant from within Java). > Using Java instead of xml to do an Ant build seems so obvious I wonder why > there hasn't been a parallel track over the years for Build.java as well as > build.xml. > I asked this same question over at stackoverflow.com: > http://stackoverflow.com/questions/972574/replacing-build-xml-with-build-java-using-java-and-the-ant-libraries-as-a-build > The answers indicate that it isn't difficult to do, but that it is necessary > to "spoof" the project and target objects. > While it all looks encouraging I haven't seen any actual examples of how to > deal with the undocumented issues mentioned. Has anyone documented how to do > Ant builds from Java? > Thanks. > Dean > > > > > > > --------------------------------------------------------------------- > To unsubscribe, e-mail: user-unsubscr...@ant.apache.org > For additional commands, e-mail: user-h...@ant.apache.org > > > > > --------------------------------------------------------------------- To unsubscribe, e-mail: user-unsubscr...@ant.apache.org For additional commands, e-mail: user-h...@ant.apache.org
